Ronald W Barrett
CIK 1326330 · Chief Executive Officer · last filed 2026-06-12
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
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Disclosed Exposure
$176.2K
Companies
3
Total Filings
83
Lifetime Open-Market Net
-$5.85M
Holdings By Company
Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| JANX | Director | 11,750 | $15.00 | $176.2K | $0 | 6 | 2026-06-12 |
| CONCERT PHARMACEUTICALS, INC. (CNCE) Delisted | Director | 5,125 | $8.37 | $42.9K | -$743.8K | 9 | 2021-06-11 |
| XENOPORT INC (XNPT) Delisted | Chief Executive Officer | 359,942 | — | — | -$5.11M | 68 | 2015-09-02 |
Recent Filings · Page 2 of 9
83 filingsInsider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144 — they may not all execute. Compare adjacent dates to see which notices became actual sales.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2017-12-06 | CONCERT PHARMACEUTICALS, INC. (CNCE) Delisted | Mixed | — | -$298.1K | EDGAR |
| 2017-06-19 | CONCERT PHARMACEUTICALS, INC. (CNCE) Delisted | Grant (A) | — | $0 | EDGAR |
| 2016-06-10 | CONCERT PHARMACEUTICALS, INC. (CNCE) Delisted | Grant (A) | — | $0 | EDGAR |
| 2015-11-10 | CONCERT PHARMACEUTICALS, INC. (CNCE) Delisted | Mixed | — | -$374.2K | EDGAR |
| 2015-09-02 | XENOPORT INC (XNPT) Delisted | Sell (S) | −12,500 | -$87.5K | EDGAR |
| 2015-07-15 | XENOPORT INC (XNPT) Delisted | Sell (S) | −25,000 | -$177.5K | EDGAR |
| 2015-06-15 | CONCERT PHARMACEUTICALS, INC. (CNCE) Delisted | Grant (A) | — | $0 | EDGAR |
| 2015-01-22 | XENOPORT INC (XNPT) Delisted | Grant (A) | — | $0 | EDGAR |
| 2015-01-15 | XENOPORT INC (XNPT) Delisted | Mixed | +41,392 | -$223.8K | EDGAR |
| 2015-01-06 | XENOPORT INC (XNPT) Delisted | Mixed | +21,368 | $15 | EDGAR |
Form 4 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 (see filing footnote). Only P / S codes carry directional signal.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.