SIBN SI-BONE, Inc. Common Stock

XNAS 25.54 Delayed
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Stock quote, options chain, IV rank, technicals, AI analysis, and institutional ownership. Iron condor setups Expected move IV rank history Fibonacci levels Insider trading

Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.

SIBN $25.54 —
Key stats
$25.54
52-Week Range
$11.48 – $25.92
YTD
+29.05%
IV Rank (30D)
46.77
Straddle Price
$3.85
P/C Vol Ratio
0.03
Market Cap
$1.1B
Open
$24.21
Day Range
$23.39 – $25.69
Volume
890,276
Prev Close
$24.24
Fair Value
MODEL: SHORT

A blended fair-value estimate combining up to six valuation methods. Each method is weighted by how well it fits the company — DCF down-weights for unprofitable names; DDM only fires for steady dividend payers; comparables down-weight when peer multiples disagree.

  • DCF (quality-aware) — projects free cash flow with a horizon that scales to business quality. True compounders (quality 6/6) get 10 years explicit + 10 years fade before terminal; cyclical/struggling names (quality 0-1) get a 5-year terminal cliff. Quality is scored from ROE, gross margin, growth, FCF margin, debt load, and FCF consistency — the same factors that drive market premium for compounders.
  • Market-Implied Growth (in Model Inputs) — reverse-DCF that answers "what growth rate is the market pricing in?". Lets you sanity-check the deviation: if implied growth is plausible for the business, the model's bearish flag may be wrong; if implausible, the market may be over-extrapolating.
  • DDM (Gordon Growth Dividend Model) — values the stream of future dividends. Only used when trailing yield ≥ 2% and dividend payments are stable — below that the dividend is a token payout and Gordon (which values only the dividend stream) systematically underprices growth names, so those route to DCF + comparables + market anchor instead.
  • P/E, EV/EBITDA, P/B, P/S — applies the peer-group median multiple to this company's per-share metric. Peers come from the same set as the "Related symbols" card. Earnings/sales metrics are forward-tilted by the company's recent revenue growth (capped at 25%) so they're comparable to peers' growth-embedded multiples — mimics how analysts use NTM rather than TTM. Per-multiple weights are biased by company quality (e.g. P/B down-weighted for asset-light tech).
  • Market Anchor (SMA50) — the 50-day moving average, weighted by recent trading-range stability (tighter Bollinger bands → higher weight). Captures information fundamentals miss (forward consensus, sentiment, supply/demand) — but only when recent trading is steady enough that the market has converged on a view. During wild breakouts or breakdowns the anchor's weight collapses.
  • Options Expected (B-L 30d) — the risk-neutral expected stock price at 30-day options expiration, derived from the full implied-volatility surface via Breeden-Litzenberger (second derivative of call price wrt strike → implied PDF, then E[S_T]). Forward-looking, captures all options-implied information (smile, skew, term structure) in one number. Weighted by chain liquidity. SP500-only at present (pre-computed daily). Backtest evidence: adds modest alpha across most bucket × holding combos.
  • Blended value — weighted average. Confidence reflects how many methods fired and how tight peer dispersion is.
  • Deviation pill — green when blended FV ≥ 10% above current price (undervalued); red when ≥ 10% below; grey otherwise.
10-yr Treasury (rf)4.90%
Beta vs SPY0.87
Cost of Equity (CAPM)9.26% (VRP-adj)
WACC9.27%
Volatility Risk Premium-1.4pp (IV − HV30)
Effective Tax Rate21.0%
Rev. Growth (YoY, DCF input)-1.1%
DCF Horizon10 years explicit + fade
Free Cash Flow (TTM)$-0.0B
Return on Equity (TTM)-7.4%
Book / Price17.0%
Gross Margin (TTM)79.4%
FCF Margin (TTM)-1.9%
Debt / Equity0.19
Quality Score2/6 — normal (10y DCF)
SMA 50$19.81 (Market Anchor value)
SMA 20 / Bollinger Mid$21.43
Bollinger Width / SMA2030.9% (drives anchor stability)
Net Debt$0.0B
Market Cap$1B
Peers used for multiples: ABT, BDX, EW, GEHC, IDXX, ISRG, MDT, SYK
60-Day Conviction
43%
20-Day Fair Value
≈ by Dec 8, 2026
$25.32
α -0.8% rank 17%
conviction
54%
40-Day Fair Value
≈ by Jan 6, 2027
$25.15
α -1.4% rank 17%
conviction
51%
60-Day Fair Value
≈ by Feb 4, 2027
$25.12
α -1.6% rank 17%
conviction
43%
MethodImplied PriceWeightDetail
DCF n/a 0%
DDM (Gordon) n/a 0%
Peer P/E n/a 0% median 43.3× · 8 peers
Peer EV/EBITDA n/a 0% median 20.6× · 8 peers
Peer P/B $19.13 18% median 4.7× · 8 peers
Peer P/S $21.94 18% median 4.5× · 8 peers
Market Anchor (SMA50) $19.81 65% stability 72% (BB-width)
Options Expected (B-L 30d) $24.86 0% 6 strikes · skew +0.53
As of 2026-11-09 · updated
About
Industry (SIC)
SURGICAL & MEDICAL INSTRUMENTS & APPARATUS (3841) · industry map
Exchange
XNAS
Market Cap
$1.1B
Employees
376
List Date
2018-10-17
CIK
0001459839
Last Earnings
Nov 2 before open · −4.8% vs ±19.8% expected
Next Earnings
~Jan 11, 2027 (estimated)
Headquarters
San Jose, CA
Homepage
https://www.si-bone.com

SI-BONE Inc is a medical device company that develops and commercializes a proprietary minimally invasive surgical implant system in the United States and internationally. Its products include a series of patented titanium implants and the instruments used to implant them, as well as implantable bone products such as iFuse-3D, iFuse-TORQ, and iFuse Bedrock Granite, which have applications across sacroiliac joint dysfunction and fusion, adult spinal deformity and degeneration, and pelvic trauma.

Summary
—
composite
—
No summary data available for this symbol yet.

Each spoke is this symbol's rank within its sector (0–100; the dotted ring marks the sector median at 50). Higher is more constructive for a long. One spoke — News sentiment — is an absolute reading, not a sector rank. Grayed spokes have no data. A fuller shape is a summary, not a recommendation.

Chart
Seasonality
Month'21'22'23'24'25'26Avg
Jan-0.07%-13.52%27.85%-3.02%20.32%-16.22%2.56%
Feb8.54%11.36%15.98%-15.94%6.46%-5.19%3.54%
Mar-1.21%3.53%-1.70%-4.16%-20.15%-19.55%-7.21%
Apr13.06%-12.14%13.98%-9.63%-2.78%-4.77%-0.38%
May-16.10%-26.39%11.42%-3.17%38.16%6.74%1.78%
Jun1.39%-9.15%6.94%-9.45%-0.21%17.66%1.20%
Jul-4.86%-1.18%-5.57%17.83%-6.99%5.84%0.84%
Aug-19.33%20.17%-10.90%11.99%-4.14%3.09%0.15%
Sep-13.56%5.24%-6.06%-12.30%-10.52%-0.63%-6.30%
Oct0.67%11.47%-19.73%1.32%3.92%15.32%2.16%
Nov-17.13%-34.26%9.85%0.52%29.30%26.19%*2.41%
Dec18.45%7.26%11.53%4.86%4.50%--9.32%
Total-32.44%-42.45%53.87%-23.49%53.58%20.59%4.94%
Technical Indicators

Quick-reference for reading the values below. Indicators combine to confirm a view — no single one is a trade signal on its own.

Trend Indicators
  • SMA 20 / 50 / 200 — price above = uptrend, below = downtrend. SMA 50 crossing SMA 200 is the golden/death cross.
  • EMA 12 / 26 — faster-reacting averages; 12 above 26 is short-term bullish.
  • MACD — bullish when MACD > signal (green badge), bearish when below. Divergence from price often precedes reversals.
  • ADX (14) — trend strength regardless of direction. <20 range, 20–25 weak trend, 25–50 trend, >50 strong trend.
  • +DI / −DI — +DI > −DI favors bulls; the reverse favors bears. Read alongside ADX.
Momentum Oscillators
  • RSI (14) — <30 oversold, >70 overbought. 40–60 is neutral; trending names can stay extreme.
  • Stochastic %K / %D — <20 oversold, >80 overbought. %K crossing %D is an early momentum signal.
  • Williams %R — inverted scale: <−80 oversold, >−20 overbought.

Oscillators work best in range-bound markets; in strong trends they give premature reversal signals.

Volume & Volatility
  • Bollinger Bands — price at upper band = overbought, lower = oversold. Narrow bands (squeeze) often precede expansion.
  • OBV — cumulative volume; rising OBV confirms uptrend, falling OBV confirms downtrend. Divergence from price is a warning.
  • Vol SMA 20 / Vol ROC — today's volume vs. 20-day average. Positive ROC with price move = conviction.
  • ATR / True Range — average daily $ move; sizing and stop-loss reference.
  • HV 20 / 30 / 60 — realized (historical) volatility. Compare to IV on the options cards: IV > HV = rich premium.

Confluence matters: trend + momentum + volume agreeing carries far more weight than any single indicator. For how these feed the spread scanner score, see the algorithm docs →

Trend Indicators

SMA 20: $21.70
SMA 50: $19.94
SMA 200: $16.60
Current: $25.55
EMA 12: $23.04
EMA 26: $21.68
MACD: 1.3641 | Signal: 0.3725
BULLISH
ADX (14): 31.39
TREND
+DI: 35.28
−DI: 11.42

Momentum Oscillators

RSI (14): 71.17
OVERBOUGHT
Stoch %K: 81.99
Stoch %D: 82.41
Williams %R: -5.40

Volume & Volatility

BB Upper: $25.40
BB Lower: $18.00
OVERBOUGHT
OBV: 2,427,097
Vol SMA 20: 906,102
Vol ROC: 143.80%
ATR: $1.30
True Range: $2.30
HV 20: 72.9%
HV 30: 67.6%
HV 60: 51.4%

Data Summary

Data Points: 500
Last Updated:
Date Range: 2024-11-08T00:00:00 – 2026-11-06T00:00:00
AI Analysis
Written before SIBN’s Nov 2 earnings report, so it doesn’t reflect the results.

LLM Stock Analysis Report

Executive Summary Confidence Level: 7/10 (BULLISH)

Key Drivers:

  • Technical indicators: Bullish MACD crossover, neutral RSI reading
  • Recent news headlines: Positive sentiment on product launches and partnerships

Primary Risks:

  • High volatility: Historical volatility high at 38.0%
  • Data breach alert: Negative news sentiment potential

Investment Thesis: Si-Bone Inc. (SIBN) is a medical device company with a strong technical setup, supported by recent positive news headlines. The stock has a low beta of 0.65 compared to the SPY, indicating lower volatility than the market.

Recent News Sentiment Impact: The recent positive news headlines have contributed to a bullish sentiment, with an aggregate sentiment score of +80% (8/10).

Technical Analysis

Trend Direction:

  • Short-term: Bullish
  • Medium-term: Bullish
  • Long-term: Neutral

Support/Resistance Levels:

  • Upper Bollinger Band: $20.11
  • Middle Line: $18.94
  • Lower Bollinger Band: $17.77

Momentum Signals:

  • MACD signal line crossover above 0: Bullish momentum
  • RSI reading of 56.88: Neutral
  • Stochastic %K and %D both below 80: Bearish divergence warning

Volume Analysis: The stock has seen increasing volume over the past few days, indicating institutional interest.

News & Sentiment Analysis

Recent Headlines Summary: Positive news headlines on product launches and partnerships have driven the stock higher.

Sentiment Assessment: Aggregate sentiment score of +80% (8/10) indicates a bullish bias.

Catalyst Identification:

  • Upcoming earnings release: Potential catalyst for price movement
  • Regulatory approval for new products: Potential catalyst for future growth

Market Narrative: The recent positive news headlines align with the technical signals, indicating a strong upward trend.

Risk & Volatility Assessment

Beta Interpretation: Low beta of 0.65 compared to SPY indicates lower volatility than the market.

Volatility Regime: Historical volatility high at 38.0%, indicating a higher-than-average level of price movement.

Options Market Signals:

  • IV rank: High, indicating historically high volatility
  • Put/call ratio: Bearish sentiment

Downside Protection: Support levels and risk management considerations should be implemented to protect against potential downside risks.

Market Context & Positioning

Sector Performance: SIBN has outperformed its sector peers over the past few days.

Institutional Activity: Increasing institutional interest, as indicated by volume trends and options market signals.

Correlation Analysis: The stock is negatively correlated with the SPY (R-squared interpretation), indicating that it moves in the opposite direction of the broader market.

Relative Valuation: SIBN has a relative valuation compared to its sector peers, indicating potential value at current levels.

Key Levels & Action Items

Critical Price Levels:

  • Support: $18.94
  • Resistance: $20.11

Breakout/Breakdown Levels:

  • Buy signal: Above $20.11
  • Sell signal: Below $17.77

Time-Sensitive Catalysts: Upcoming earnings release and regulatory approval for new products.

Risk Management: Stop-loss levels should be implemented at $18.94, with position sizing considerations to protect against potential downside risks.

Note that this report is a template and the analysis will vary depending on the specific data provided.

Generated
Earnings History
15 of 17 under expected move
Avg Expected Move
11.98%
Avg Actual Move
3.69%
Each row pairs the pre-earnings straddle-implied expected move with the realized close-to-close move. Sorted oldest first.
Earnings Date Timing Expected Move Actual Move Ratio Outcome
2021-03-08 Pre-Market 10.02% 1.73% 0.17x Within
2022-11-07 Pre-Market 8.78% 1.57% 0.18x Within
2023-08-07 Pre-Market 11.55% 1.51% 0.13x Within
2023-11-06 Pre-Market 8.96% 2.73% 0.30x Within
2024-01-08 Pre-Market 7.93% 7.06% 0.89x Within
2024-02-26 Pre-Market 12.63% 1.33% 0.11x Within
2024-05-06 Pre-Market 10.92% 1.97% 0.18x Within
2024-08-05 After-Close 16.74% 1.28% 0.08x Within
2024-11-12 Pre-Market 8.95% 1.82% 0.20x Within
2025-02-24 Pre-Market 13.17% 2.07% 0.16x Within
2025-05-05 Pre-Market 12.33% 1.86% 0.15x Within
2025-08-04 After-Close 10.47% 10.61% 1.01x Exceeded
2025-11-10 Pre-Market 15.22% 0.57% 0.04x Within
2026-01-12 Pre-Market 6.85% 12.57% 1.84x Exceeded
2026-05-11 Pre-Market 17.52% 5.38% 0.31x Within
2026-08-03 Pre-Market 11.82% 3.89% 0.33x Within
2026-11-02 Pre-Market 19.78% 4.76% 0.24x Within

Earnings calendar: this week’s reports with expected vs actual moves →

SIBN Options Activity & IV Rank

SIBN IV rank history, 52-week IV rank and IV percentile →

Volatility Metrics

Current IV: 62.6%
7-DTE IV: 84.6%
Expected Move: $3.85
7-DTE Move: $2.97
Days to Exp: 39 (2026-12-18)

Options Flow · All expiries

Call Volume: 825
Put Volume: 23
P/C Volume: 0.028
BULLISH
Call OI: 2,026
Put OI: 232
P/C OI: 0.115
Total OI: 2,258

ATM Options Pricing

ATM Call: $1.85
ATM Put: $2.00
Call %: 7.2%
Put %: 7.8%

Chain Summary

Chain Volume: 848
Chain OI: 2,258
Last Updated: 11/9/2026
Spread Scanner

Each spread is ranked by a composite score built in three stages. Full documentation →

Stage 1 — Base Score

score = P(profit) × (credit / spread_width)
P(profit) from short leg delta (1 − |delta|), penalised above 85%. Credit uses mid-price to handle illiquid chains fairly.
Calendars: the long leg is valued at the short leg’s expiration (Black-Scholes at its current IV) across the range of prices the short leg’s IV implies, giving the best-case profit (R/R = that over the debit) and P(profit).

Stage 2 — Skew Adjustment (±25% cap)

RR and BF (30-delta) from the persisted per-symbol skew snapshot — wing strikes picked by real greeks.delta, not a moneyness proxy. Put skew boosts bull puts, penalises bear calls. High butterfly boosts iron condors. Calendars are skew-neutral.

Stage 3 — Technical Overlay (±50% cap, 5 groups)
Group 1 · Directional Bias (±0.25)
  • RSI <40 bullish / >60 bearish
  • MACD crossover + histogram trend
  • Price vs SMA 50 & SMA 200
Group 2 · Momentum (±0.10)
  • Stochastic %K <20 / >80
  • Williams %R <−80 / >−20
Group 3 · Volatility (up to −0.25 / +0.15)
  • Blended ATR + straddle expected-move penalty
  • Bollinger Band signal (+ counter-trend penalty)
  • BB width — vol contraction boost for ICs
Group 4 · IV Regime (±0.15)
  • IV rank ≥ 75 → strong boost for credit spreads
  • IV rank < 25 → penalty (selling cheap vol)
Group 5 · Liquidity (penalty up to −0.10)
  • Min open interest across all legs
  • OI < 100 → −0.10 · OI < 500 → −0.05

score = base_score × skew_multiplier × tech_multiplier
Both multipliers are shown per spread. Beta is informational only — ATR already captures realized vol. Full algorithm documentation →

Scanning bull put, bear call, iron condor and calendar spreads…

Dealer Positioning
HIGH γ vs HISTORY

Estimated net dealer gamma is at the 97th percentile of this name's own daily history, near the high end of its range. This describes current positioning; it is not a forecast or a trading signal.

Gamma percentile
97%
vs own history
GEX tilt
+1.00
OI-weighted, today
Vanna tilt
-1.00
δ-sensitivity to IV
Charm tilt
+1.00
δ-decay vs time
Vanna tilt -1.00: the estimated dealer exposure leans negative, so the modeled hedge would shift noticeably if implied volatility changed.
Charm tilt +1.00: the estimated dealer exposure leans positive, so the modeled hedge would shift noticeably as time passes and options approach expiry.

Net dealer gamma is an estimate of the aggregate gamma held by options market makers across this name's option chain, weighted by open interest. Dealer positions aren't public, so it uses a standard simplifying assumption: dealers are treated as long the calls and short the puts that are open. Actual dealer books can differ.

Gamma percentile ranks today's estimate against this name's own daily history, from 0% (the lowest reading on record) to 100% (the highest). Raw gamma scales with how much open interest a chain carries, so it isn't comparable across names; the percentile is. The badge marks the bottom 20% as low and the top 20% as high.

Tilts run from −1 to +1 and show how lopsided the estimated dealer exposure is. GEX tilt compares call gamma with put gamma. Vanna tilt describes how the hedge would shift if implied volatility changed, and charm tilt how it would shift with the passage of time.

This card describes estimated positioning and where it sits historically. It is not a forecast of price direction or volatility and not a trading signal. Market-wide view: Dealer positioning screener.

· 3 ATM contracts, 0k total OI
Skew (Wing IV − ATM IV)
DTE:
Wing Δ:
Metric:
Wing vs ATM
IV(put wing) − IV(ATM), in vol points

How much the OTM put trades above (or below) the at-the-money strike. Measures the height of the put-side tail relative to ATM — i.e. how expensive crash insurance is on this name.

  • Positive (typical) — wing IV > ATM IV. Standard equity put skew: portfolios bid up crash protection, so OTM puts trade richer than ATM.
  • Near zero or negative (unusual) — wing IV ≤ ATM IV. Flat or inverted put side. Common when there's no fear demand, in tightly mean-reverting names, or right after an earnings catalyst clears.
  • Percentile vs own 3-yr history: high = wings rich (good time to sell wing premium); low = wings cheap (good time to buy protection).
  • Not directional — high or low wings don't predict up or down moves. It's a price tag on tail insurance, not a forecast.
Risk Reversal
IV(call wing) − IV(put wing), equal delta on each side

Which side of the smile is the market paying up for? Measures the tilt of the surface — call skew vs put skew at matched deltas.

  • Negative (typical) — puts richer than calls. Standard equity behavior: hedging demand makes puts carry a premium. Most large-caps sit in the −1 to −5 vol-point range.
  • Strongly negative (< −5 pts) — heavy downside hedging, elevated fear, or an upcoming catalyst (earnings, FDA, macro event). Worth flagging.
  • Positive — calls richer than puts. Unusual for equities; signals bullish momentum, short-squeeze positioning, or takeover/M&A speculation.
  • Near zero — symmetric surface. Market sees roughly equal up/down risk. Rare for large-caps; more common in commodities and FX.
Reading them together

Wing-vs-ATM tells you how expensive the tails are. Risk Reversal tells you which side is favored. Combined:

  • High wing percentile + deeply negative RR → strong put bid; stress or major event priced in. Owning protection costs a premium; selling put premium is dangerous.
  • Low wing percentile + near-zero RR → complacency; insurance cheap and balanced. Good environment to add cheap downside hedges.
  • Positive RR + elevated wings → call-side fear-of-missing-out; common in squeeze setups. Upside calls expensive, downside puts not bid.
14 DTE / 10d —
— pts EXTREME
No data
30 DTE / 10d —
— pts EXTREME
No data

Percentile is the rank of today's reading within ~3 years of this symbol's own history. High percentile = wings are rich relative to history; not a directional signal. Skew is read off the chain in real time, not from CBOE SKEW.

Volatility Surface

Loading the implied volatility surface…

Volatility Smile

Loading the implied volatility smile…

IV Rank (7 DTE)34.4MediumNov 9
IV Rank (30 DTE)46.8MediumNov 9
Straddle Price (30 DTE)$3.85Nov 9
Beta Analysis

Risk Metrics

Beta: 0.7299
Alpha: 52.47%
Correlation: 0.1912
R-Squared: 3.7%
Stock Volatility: 52.5%
Market Volatility: 13.8%

Analysis Details

Benchmark: SPY
Data Points: 251
Period: 252 trading days
Interpretation:
Low volatility - stock moves less than market
Beta & Alpha Over Time
Notable investors who own SIBN
4 of 37 tracked investors
InvestorValueShare of their portfolioRankQ/Q sharesSource
Point72 Hedge fund
Steve Cohen
$12.9M
0.02%
#694 of 1945-6.0%13F
Millennium Management Hedge fund
Izzy Englander
$5.9M
0.00%
#1948 of 3716-1.4%13F
Renaissance Technologies Hedge fund
Jim Simons
$720K
0.00%
#2460 of 3138-90.7%13F
Rockefeller Capital Management Family office
Rockefeller family
$3K
0.00%
#4364 of 4729-52.7%13F

Hedge funds, activists, holding companies and family offices we track, from their latest 13F (quarter-end value) and Form 4 filings in the last 3 years. Family offices · all institutions

SIBN Institutional Ownership (13F)

Filings for 2026-06-30 · 58 already for 2026-09-30
Diluted shares outstanding: 44,215,421 (as of 2026-09-30)

Institutional managers with $100M+ AUM file Form 13F-HR quarterly, due 45 days after quarter end. Holdings are reported gross at quarter-end market value — they are a snapshot, not a real-time position.

  • Shares — long equity positions in this name, aggregated across share classes.
  • Calls / Puts — notional value of long call / put exposure where this ticker is the underlying.
  • % of Float — holder's reported shares divided by the latest diluted shares outstanding. Sums above 100% indicate large custodian / prime broker positions where the same shares are reported by multiple filers.
  • Custodian badge — filers with more than 5,000 holdings are typically broker-dealers / custodians reporting customer-held shares, not active managers.

Each filer is counted once at its latest 13F-HR filing. New filings are ingested on a weekly cadence.

177 filers47,735,319 shares$787.52M value107.96% of float
# Filer Shares Value % of Total % of Float Period
1 First Light Asset Management, LLC 8,127,985 $132.65M 16.84% 18.38% 2026-06-30
2 BlackRock, Inc. Custodian 3,676,259 $60.00M 7.62% 8.31% 2026-06-30
3 CADIAN CAPITAL MANAGEMENT, LP 3,347,574 $54.63M 6.94% 7.57% 2026-06-30
4 American Century Companies, Inc. 2,510,963 $40.98M 5.20% 5.68% 2026-06-30
5 BROWN ADVISORY INC 2,077,134 $33.90M 4.30% 4.70% 2026-06-30
6 Granahan Investment Management, LLC 1,931,182 $31.52M 4.00% 4.37% 2026-06-30
7 Vanguard Capital Management LLC 1,838,499 $30.00M 3.81% 4.16% 2026-06-30
8 Impax Asset Management Group plc 1,425,010 $23.26M 2.95% 3.22% 2026-06-30
9 Geode Capital Management, LLC Custodian 1,126,014 $21.17M 2.69% 2.55% 2026-09-30
10 GILDER GAGNON HOWE & CO LLC 1,253,042 $20.45M 2.60% 2.83% 2026-06-30
11 PARADIGM CAPITAL MANAGEMENT INC/NY 1,233,200 $20.13M 2.56% 2.79% 2026-06-30
12 State Street Corp 1,214,286 $19.85M 2.52% 2.75% 2026-06-30
13 SILVERCREST ASSET MANAGEMENT GROUP LLC 1,158,576 $18.91M 2.40% 2.62% 2026-06-30
14 Nuveen, LLC Custodian 1,026,036 $16.74M 2.13% 2.32% 2026-06-30
15 Champlain Investment Partners, LLC 896,462 $14.63M 1.86% 2.03% 2026-06-30
16 Dimensional Fund Advisors LP Custodian 732,298 $13.77M 1.75% 1.66% 2026-09-30
17 Point72 Asset Management, L.P. 790,323 $12.90M 1.64% 1.79% 2026-06-30
18 First Eagle Investment Management, LLC 768,941 $12.55M 1.59% 1.74% 2026-06-30
19 Wellington Management Group LLP Custodian 742,857 $12.12M 1.54% 1.68% 2026-06-30
20 Marshall Wace, LLP Custodian 690,288 $11.27M 1.43% 1.56% 2026-06-30
21 NEXT CENTURY GROWTH INVESTORS LLC 585,289 $9.55M 1.21% 1.32% 2026-06-30
22 Vanguard Portfolio Management LLC 548,287 $8.95M 1.14% 1.24% 2026-06-30
23 Goldman Sachs Group Inc Custodian 441,912 $7.21M 0.92% 1.00% 2026-06-30
24 Northern Trust Corp Custodian 439,161 $7.17M 0.91% 0.99% 2026-06-30
25 HighMark Wealth Management LLC 425,049 $6.94M 0.88% 0.96% 2026-06-30
4 filers$3.72M notional
# Filer Notional Value % of Total Period
1 Caption Management, LLC $1.63M 43.85% 2026-06-30
2 Stonepine Capital Management, LLC $1.50M 40.31% 2026-06-30
3 Citadel Advisors LLC Custodian $563.04K 15.13% 2026-06-30
4 Simplex Trading, LLC Custodian $26.32K 0.71% 2026-09-30
2 filers$3.10M notional
# Filer Notional Value % of Total Period
1 Caption Management, LLC $3.10M 99.88% 2026-06-30
2 Simplex Trading, LLC Custodian $3.76K 0.12% 2026-09-30

SIBN Insider Trading (Form 4)

Latest: 2026-11-06
Form 4 filings — insider beneficial-ownership changes by officers, directors, and 10%+ holders. Filed within 2 business days of transaction.
Filed Reporter Role Action Shares Avg Price Net $ Link
2026-11-06 Anshul Maheshwari Chief Op & Financial Officer Sell (S) −3,247 $25.00 -$81.2K EDGAR
2026-11-06 Michael A. Pisetsky SVP, Ops & Adm/Chief Legal Ofr Sell (S) −36,241 $24.80 -$898.8K EDGAR
2026-11-06 Laura Francis Chief Executive Officer Sell (S) −75,000 $25.30 -$1.90M EDGAR
2026-11-04 Jeffrey W Dunn Director Mixed
Exer +20,000 · Sell −20,000
— $12.79 -$324.2K EDGAR
2026-11-02 Anshul Maheshwari Chief Op & Financial Officer Sell (S) −3,738 $22.50 -$84.1K EDGAR
2026-11-02 Michael A. Pisetsky SVP, Ops & Adm/Chief Legal Ofr Sell (S) −29,665 $22.11 -$655.7K EDGAR
2026-10-14 Laura Francis Chief Executive Officer Sell (S) −38,006 $20.05 -$762.0K EDGAR
2026-10-06 Anshul Maheshwari Chief Op & Financial Officer Sell (S) −5,049 $18.63 -$94.1K EDGAR
2026-10-06 Michael A. Pisetsky SVP, Ops & Adm/Chief Legal Ofr Sell (S) −3,133 $18.17 -$56.9K EDGAR
2026-10-05 Jeffrey W Dunn Director Mixed
Exer +20,000 · Sell −20,000
— $11.57 -$275.8K EDGAR
2026-09-03 Jeffrey W Dunn Director Mixed
Exer +20,000 · Sell −20,000
— $11.79 -$284.6K EDGAR
2026-08-26 Anshul Maheshwari Chief Op & Financial Officer Sell (S) −11,636 $20.11 -$234.0K EDGAR
2026-08-26 Laura Francis Chief Executive Officer Sell (S) −25,972 $20.12 -$522.6K EDGAR
2026-08-21 Anshul Maheshwari Chief Op & Financial Officer Sell (S) −16,975 $19.86 -$337.1K EDGAR
2026-08-21 Laura Francis Chief Executive Officer Sell (S) −55,807 $19.50 -$1.09M EDGAR
Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (described in filing footnote — typically 401(k), trust, inheritance) · W = will/inheritance. Only P / S codes carry directional signal.

SIBN Insider Holdings

12 insiders · @ $25.55
Officers, directors, and 10%+ owners who have filed a Form 4 in the past two years, ranked by current disclosed exposure (shares × today's price). Shares are direct + indirect (via trusts / LLCs / spouse). Excludes unvested RSU and option grants — those aren't beneficially owned until vest.
# Insider Role Shares Disclosed Exposure Lifetime OM Net Filings Last Filed
1 Laura Francis Chief Executive Officer 672,385 $17.18M -$14.49M 61 2026-11-06
2 Anthony J Recupero President, Commercial Ops 262,376 $6.70M -$3.94M 79 2026-02-18
3 Anshul Maheshwari Chief Op & Financial Officer 211,250 $5.40M -$4.41M 50 2026-11-06
4 Michael A. Pisetsky SVP, Ops & Adm/Chief Legal Ofr 204,611 $5.23M -$4.07M 58 2026-11-06
5 John Gordon Freund Director 146,025 $3.73M -$49.95M 21 2026-06-08
6 Jeffrey W Dunn Director 97,130 $2.48M -$30.42M 87 2026-11-04
7 Timothy E Davis JR Director 76,679 $1.96M -$311.4K 12 2026-06-08
8 Greg K Hinckley Director 75,603 $1.93M -$37.1K 11 2026-04-09
9 Jeryl L Hilleman Director 43,772 $1.12M -$293.0K 11 2026-06-09
10 Mika Nishimura Director 43,673 $1.12M -$97.3K 8 2026-06-08
Lifetime OM Net = signed sum of open-market buys (P) and sells (S) over their career; excludes grants, tax withholdings, and dispositions to issuer. A large negative number is normal for long-tenured executives — they've sold compensation grants over many years.

SIBN Board & Officers

As of SEC filings through Nov 6, 2026

Directors 8

Officers 3

Changes in the last 10 years (51)
Aug 21, 2026Anshul Maheshwari listed as Chief Op & Financial Officer (previously Chief Financial Officer) in SEC filings
Feb 18, 2026Anthony J Recupero reported in an SEC filing no longer being President, Commercial Ops
Jan 6, 2026Michael A. Pisetsky first listed as SVP, Ops & Adm/Chief Legal Ofr in an SEC filing
Nov 6, 2025The company announced the departure of Daniel W Wolf from the board in an SEC filing
Apr 4, 2025Michael A. Pisetsky reported in an SEC filing no longer being SVP, Ops & Adm/Chief Legal Ofr
Aug 5, 2024Daniel W Wolf became a director
Jun 25, 2024Thomas A. West became a director
Aug 16, 2021Laura Francis listed as Chief Executive Officer (previously Chief Financial Officer) in SEC filings
Jul 20, 2021Michael A. Pisetsky listed as SVP, Ops & Adm/Chief Legal Ofr (previously GC & Chief Compliance Officer) in SEC filings
Jul 20, 2021Anthony J Recupero listed as President, Commercial Ops (previously Chief Commercial Officer) in SEC filings
Jun 28, 2021Karen A Licitra reported in an SEC filing no longer being a director
Jun 21, 2021Jeffrey W Dunn no longer listed as Chairman, President & CEO in SEC filings
Apr 20, 2021Laura Francis first listed as a director in an SEC filing
Apr 20, 2021Anshul Maheshwari became Chief Financial Officer
Apr 18, 2021Helen Loh became a director
Mar 4, 2021Mika Nishimura became a director
Dec 4, 2020John Gordon Freund no longer listed as a 10% owner in SEC filings
Dec 3, 2019Jeryl L Hilleman became a director
Jun 13, 2019Mark J Foley became a director
Jun 13, 2019Heyward R Donigan became a director
Not reported recently (14)
Compiled from SEC filings by the company and its directors and officers. Dates are as stated in those filings. Where no filing says when someone left, we show the last filing that listed them.

SIBN Proposed Insider Sales (Form 144)

Latest: 2026-11-04
Last 30d: 6 filings · $4.2M notice value  ·  Last 90d: 13 filings · $6.5M notice value · 3 unique filers · 100% under 10b5-1 plans

What is Form 144? A notice of intent to sell restricted or control stock under Rule 144. Affiliates (officers, directors, 10%+ owners) and holders of restricted shares must file Form 144 when planning to sell more than 5,000 shares or $50,000 in any 3-month rolling window.

How it relates to Form 4: Form 144 is filed before the trade (up to 90 days in advance); Form 4 is filed within 2 business days after the trade executes. Not every Form 144 results in a sale — the filer may cancel or delay. Look for the corresponding Form 4 on the Insider Activity card to confirm a sale actually happened.

10b5-1 plans: Trades made under a pre-scheduled Rule 10b5-1 plan are not discretionary — they execute automatically on dates set months earlier, regardless of news. High 10b5-1 percentages mean less per-filing signal value, though cumulative selling volume still matters.

"Notice value": Aggregate market value the filer wrote into the Form 144 — i.e. the size of the planned sale, not necessarily the executed dollars. An amended notice (Form 144/A) replaces the original it amends, and cancelled notices are dropped, so neither is double-counted above. A filed value that is clearly inconsistent with the share count at the stock's price (a filer typo) shows as a dash and is left out of the totals.

Source & freshness: Sourced from public Form 144 filings. Refreshed daily; new filings typically appear here the morning after they are filed.

Filed Filer Role Shares Notice Value Planned Sale Broker Plan Link
2026-11-04 ANSHUL MAHESHWARI Officer 5,270 $125.3K 2026-11-04 Morgan Stanley Smith Barney LLC … 10b5-1 EDGAR
2026-11-04 MICHAEL PISETSKY SEPARATE PROPERTY TRUST Officer 36,241 $861.4K 2026-11-04 Morgan Stanley Smith Barney LLC … 10b5-1 EDGAR
2026-11-04 DAVID & LAURA FRANCIS JOINT REV TRU/A DTD 01/03/2003 Director, Officer 75,000 $1.78M 2026-11-04 Morgan Stanley Smith Barney LLC … 10b5-1 EDGAR
2026-10-29 MICHAEL PISETSKY SEPARATE PROPERTY TRUST Officer 29,665 $647.6K 2026-10-29 Morgan Stanley Smith Barney LLC … 10b5-1 EDGAR
2026-10-29 ANSHUL MAHESHWARI Officer 3,738 $81.6K 2026-10-29 Morgan Stanley Smith Barney LLC … 10b5-1 EDGAR
2026-10-13 DAVID & LAURA FRANCIS JOINT REV TRU/A DTD 01/03/2003 Director, Officer 38,006 $736.2K 2026-10-12 Morgan Stanley Smith Barney LLC … 10b5-1 EDGAR
2026-10-05 ANSHUL MAHESHWARI Officer 1,731 $31.3K 2026-10-05 Morgan Stanley Smith Barney LLC … 10b5-1 EDGAR
2026-08-24 ANSHUL MAHESHWARI Officer 11,636 $232.3K 2026-08-24 Morgan Stanley Smith Barney LLC … 10b5-1 EDGAR
2026-08-24 DAVID & LAURA FRANCIS JOINT REV TRU/A DTD 01/03/2003 Director, Officer 25,972 $518.4K 2026-08-24 Morgan Stanley Smith Barney LLC … 10b5-1 EDGAR
2026-08-21 DAVID & LAURA FRANCIS JOINT REV TRU/A DTD 01/03/2003 Director, Officer 3,923 $76.4K 2026-08-21 Morgan Stanley Smith Barney LLC … 10b5-1 EDGAR
Notice value is the aggregate market value the filer states they intend to sell — not a confirmed transaction. Compare to Insider Activity (Form 4) to see which planned sales actually executed. Market-wide feed: Planned sales (Form 144).
Recent SEC Filings
Latest: 2026-11-03
Current reports — material events the company must disclose within 4 business days (earnings releases, M&A, executive changes, etc.).
Filing Date Event Link
2026-11-02 Earnings results EDGAR
2026-09-11 Material agreement · New debt obligation · Other events EDGAR
2026-08-03 Earnings results EDGAR
2026-06-08 Material agreement · New debt obligation · Shareholder vote results EDGAR
Annual report — audited financial statements, MD&A, risk factors. Filed 60–90 days after fiscal year-end.
Filing Date Accession Link
Quarterly report — unaudited financials and MD&A. Filed 40–45 days after each of the first three fiscal quarters.
Filing Date Accession Link
2026-11-03 0001459839-26-000086 EDGAR
2026-08-04 0001459839-26-000069 EDGAR
ETF Holders
48 ETFs hold SIBN
25 shown · $117.47M total exposure · 0.03% AUM-weighted avg weight
# ETF Provider Weight $ Exposure ETF AUM As Of
1 IWM iShares Russell 2000 ETF iShares (BlackRock) 0.04% $27.9M $76.6B 2026-11-06
2 VTI Vanguard Morningstar Total Stock Market ETF Vanguard 0.00% $25.1M — 2026-09-30
3 IWO iShares Russell 2000 Growth ETF iShares (BlackRock) 0.07% $10.2M $13.7B 2026-11-06
4 VXF Vanguard Extended Market ETF Vanguard 0.01% $9.6M — 2026-09-30
5 DFAS Dimensional US Small Cap ETF Dimensional 0.02% $6.9M — 2026-11-05
6 IHI iShares U.S. Medical Devices ETF iShares (BlackRock) 0.14% $5.4M $4.0B 2026-11-06
7 VTWO Vanguard Russell 2000 ETF Vanguard 0.03% $4.8M — 2026-09-30
8 SCHA Schwab U.S. Small-Cap ETF Nport 0.02% $3.6M — 2026-08-31
9 DFMC Dimensional US Micro Cap ETF Dimensional 0.04% $3.3M — 2026-11-05
10 IWC iShares Micro-Cap ETF iShares (BlackRock) 0.27% $3.2M $1.2B 2026-11-06
11 DFAC Dimensional US Core Equity 2 ETF Dimensional 0.00% $2.5M — 2026-11-05
12 VHT Vanguard Health Care ETF Vanguard 0.01% $2.4M — 2026-09-30
13 XHE State Street® SPDR® S&P® Health Care Equipment ETF SPDR (State Street) 1.41% $2.2M $158.1M 2026-11-05
14 GSSC Goldman Sachs ActiveBeta U.S. Small Cap Equity ETF Goldman 0.18% $1.9M $1.0B 2026-11-05
15 ITOT iShares Core S&P Total U.S. Stock Market ETF iShares (BlackRock) 0.00% $1.4M $93.2B 2026-11-06
16 PSC Principal U.S. Small-Cap ETF Nport 0.05% $1.2M — 2026-06-30
17 DCOR Dimensional US Core Equity 1 ETF Dimensional 0.00% $1.1M — 2026-11-05
18 AVSC Avantis U.S. Small Cap Equity ETF Avantis 0.03% $1.0M $3.2B 2026-11-05
19 VTWG Vanguard Russell 2000 Growth ETF Vanguard 0.05% $894,391 — 2026-09-30
20 PRFZ Invesco RAFI US 1500 Small-Mid ETF Nport 0.02% $536,636 — 2026-07-31
21 SGRW Harbor Active Small Cap Growth ETF Nport 1.96% $524,240 — 2026-07-31
22 FHLC Fidelity MSCI Health Care Index ETF Fidelity 0.01% $513,432 $4.0B 2026-11-05
23 RSSL Global X Russell 2000 ETF Global X 0.04% $508,507 — 2026-11-06
24 SCHB Schwab U.S. Broad Market ETF Nport 0.00% $413,171 — 2026-08-31
25 DFUS Dimensional US Equity Market ETF Dimensional 0.00% $358,128 $20.9B 2026-11-05
Fundamentals

Quarterly filings sourced from SEC 10-Q / 10-K reports. TTM tiles aggregate the most recent four quarters; bars show the last ~12 quarters oldest → newest.

Metrics
  • Revenue — top-line sales. Look for consistent YoY growth; seasonal businesses need same-quarter comparisons (Q4 '24 vs Q4 '23).
  • Net Income — bottom-line profit after all expenses. Can be volatile from one-time items; red bars = net loss.
  • Diluted EPS — net income per share assuming options/converts are exercised. Direct input to the P/E ratio.
  • Operating Cash Flow — cash generated from core operations, before capex and financing. Harder to manipulate than net income; growing OCF is a quality signal.
How to read the bars
  • Sequential growth — quarter-over-quarter trend. Accelerating bars are a momentum signal.
  • YoY growth — compare to the same quarter a year earlier to remove seasonality.
  • Quality — OCF should roughly track Net Income over time. Large divergence (net income ≫ OCF) flags accruals risk.
  • Margins — scan the bar ratios: Net Income / Revenue tells you margin trend without needing a separate chart.

TTM (trailing-twelve-month) smooths seasonality and is used for the P/E calculation. Filings appear 30–90 days after the period closes.

Trailing P/E
—
TTM Diluted EPS
$-0.31
TTM Revenue
$220.65M
TTM Net Income
$-13.69M
TTM Op. Cash Flow
$6.08M
Quarterly figures (12 quarters)
QuarterPeriod EndRevenueNet IncomeDiluted EPSOp. Cash Flow
Q3 '262026-09-30$55.70M$-3.62M$-0.08$5.94M
Q2 '262026-06-30$56.01M$-4.09M$-0.09$777.00K
Q1 '262026-03-31$52.59M$-4.33M$-0.10$-2.36M
Q4 '252025-12-31$56.35M$-1.64M$-0.04$1.73M
Q3 '252025-09-30$48.66M$-4.57M$-0.11$2.33M
Q2 '252025-06-30$48.63M$-6.15M$-0.14$173.00K
Q1 '252025-03-31$47.29M$-6.54M$-0.15$-4.91M
Q4 '242024-12-31$49.00M$-4.50M$-0.11$1.18M
Q3 '242024-09-30$40.34M$-6.58M$-0.16$302.00K
Q2 '242024-06-30$39.97M$-8.94M$-0.22$-6.33M
Q1 '242024-03-31$37.87M$-10.90M$-0.27$-7.57M
Q4 '232023-12-31$38.86M$-10.98M$-0.27$-2.30M
Q3 2026 • period ending 2026-09-30 • filed 2026-11-03
Valuation

Ratios derived from TTM financials and the current market price, sampled daily. History chart shows how expensive the stock is today relative to its own recent past.

Price Multiples
  • P/E — price / TTM earnings. Rough market rule: 10–15 value, 15–25 market, >30 growth/premium. Negative when earnings are negative.
  • P/B — price / book value. Useful for financials and asset-heavy names; meaningless for asset-light software.
  • P/S — price / TTM revenue. Useful when earnings are negative or noisy (early-stage growth).
  • EV/EBITDA — capital-structure-neutral. <10 cheap, 10–15 reasonable, >20 rich. Good for comparing across leverage profiles.
  • EV/Sales — like P/S but accounts for debt + cash. Compare within sector.
Profitability & Yields
  • ROE — return on equity. >15% strong, >25% exceptional. Caution: high leverage inflates ROE.
  • ROA — return on assets. Leverage-neutral; >5% solid, >10% exceptional.
  • Div Yield — annual dividend / price. Compare to 10Y Treasury; sustained yield >6% often signals distress.
  • FCF Yield — free cash flow / market cap. >5% is attractive; negative means burning cash.
Balance Sheet
  • Debt/Equity — leverage. <1 conservative, >2 aggressive. Sector-dependent (utilities naturally high, tech low).
  • Current Ratio — short-term liquidity. >1.5 comfortable, <1 raises short-term solvency flags.
Reading the history chart
  • Compare current level to the 3-year band: near the high end = relatively expensive; near the low = relatively cheap.
  • Multiples expanding while earnings are flat = sentiment-driven rally.
  • Multiples compressing while earnings grow = value coming from fundamentals.
P/E
—
P/B
6.11
P/S
5.21
EV/EBITDA
—
EV/Sales
5.23
ROE
-8.0%
ROA
-5.9%
Div Yield
0.00%
FCF Yield
0.22%
Debt/Equity
0.20
Current Ratio
—
Market Cap
$1.11B
as of 2026-11-09

SIBN vs Peers

Related companies, largest first
Company Market cap P/E Revenue growth YTD IV rank
ABT Abbott Laboratories $190.4B 40.9 +10.0% −11.0% 20
ISRG Intuitive Surgical Inc. $160.0B 55.7 +20.5% −18.0% 17
MDT Medtronic plc $130.2B 25.4 +9.8% +7.6% 57
SYK Stryker Corporation $124.1B 34.8 +7.9% −6.2% 30
EW Edwards Lifesciences Corp $58.7B 60.3 +14.6% +23.0% 17
BDX Becton, Dickinson and Co. $57.7B 54.7 +6.4% +10.9% 29
IDXX Idexx Laboratories Inc $53.3B 47.7 +11.9% +5.6% 20
GEHC GE HealthCare Technologies Inc. Common S $37.2B 17.8 +6.9% +2.0% 25
SIBN SI-BONE, Inc. Common Stock $1.1B — +14.0% +29.1% 47
Peer median $91.4B 44.3 +9.9% +3.8% 22

P/E uses the latest reported trailing-12-month diluted EPS; "—" means no positive earnings or no data.

Short Interest & Float

Regulatory short-interest reports publish on a bi-weekly settlement cadence; short-volume is reported daily by the trade-reporting facilities. Float is derived from insider-ownership filings.

Metric definitions
  • Short Interest — total shares currently sold short as of the settlement date. Lags real time by ~8 business days.
  • SI % of Float — short interest / free float. The key crowding metric.
  • Days to Cover — short interest / avg daily volume. How many full trading days it would take shorts to buy back. High DTC + catalyst = squeeze fuel.
  • Short Vol Ratio — today's short-sale volume / total volume. Intraday selling pressure proxy (not the same as short interest).
  • Free Float — shares available for public trading (total shares minus insider / restricted).
  • Float % — free float / shares outstanding. <50% = tightly held, more prone to squeezes.
How to read the signals
  • SI % of Float < 5% — typical, no particular signal.
  • 5–15% — elevated; watch for catalysts (earnings, guidance, macro).
  • 15–30% — heavily shorted; tight-float names in this range have produced notable squeezes historically.
  • >30% — extreme; borrow is likely expensive and squeeze risk is material.
  • Days to Cover > 5 combined with high SI% amplifies squeeze potential.
History chart
  • Trend matters more than level. Rapidly rising short interest often precedes negative catalysts or heavy hedging.
  • A sudden drop in SI after a rally may indicate a squeeze in progress.

Short interest is reported mid-month and end-of-month; short volume is daily.

Short Interest
4.70M
SI % of Float
10.93%
Days to Cover
8.67
Short Vol Ratio
27.7%
Free Float
43.03M
Float %
97.0%
Short interest 2026-10-15 • Short volume 2026-11-06 • Float 2026-08-14