Michael L Speiser
CIK 1433644 · last filed 2026-08-11
"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
$17.31M
Companies
11
Total Filings
118
Lifetime Open-Market Net
-$875.05M
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 |
|---|---|---|---|---|---|---|---|
| SNOW | Director | 24,861 | $332.26 | $8.26M | -$727.39M | 36 | 2026-08-11 |
| WDAY | Director | 9,236 | $175.29 | $1.62M | $0 | 4 | 2026-06-18 |
| Everpure, Inc. (PSTG) Delisted | Director | 89,337 | $67.80 | $6.06M | -$155.00M | 16 | 2019-06-24 |
| Forty Seven, Inc. (FTSV) Delisted | 10%+ Owner | 53,587 | — | — | $2.25M | 1 | 2018-07-03 |
| YEXT | 10%+ Owner | 1,033,755 | $5.73 | $5.92M | $0 | 2 | 2017-12-05 |
| Venus Concept Inc. (HAIR) Delisted | 10%+ Owner | 138,639 | — | — | $0 | 2 | 2017-10-18 |
| Mattersight Corp (MATR) Delisted | 10%+ Owner | 3,274,237 | — | — | -$1.98M | 14 | 2017-06-02 |
| Molecular Templates, Inc. (THLD) Delisted | 10%+ Owner | 811,428 | — | — | $4.20M | 5 | 2014-10-03 |
| DEXTERA SURGICAL INC (CRDC) Delisted | 10%+ Owner | 3,412,793 | — | — | $1.03M | 3 | 2013-03-22 |
| CORT | 10%+ Owner | 13,399 | $112.18 | $1.50M | $344.8K | 4 | 2012-04-02 |
| Mattersight Corp (ELOY) Delisted | 10%+ Owner | 5,853 | — | — | $1.49M | 9 | 2008-09-16 |
Recent Filings · Page 12 of 12
118 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 |
|---|---|---|---|---|---|
| 2008-06-04 | Mattersight Corp (ELOY) Delisted | Buy (P) | +10,267 | $89.4K | EDGAR |
| 2008-06-02 | Mattersight Corp (ELOY) Delisted | Buy (P) | +19,628 | $162.3K | EDGAR |
| 2008-05-29 | Mattersight Corp (ELOY) Delisted | Buy (P) | +32,782 | $251.2K | EDGAR |
| 2008-05-27 | Mattersight Corp (ELOY) Delisted | Buy (P) | +43,334 | $303.9K | EDGAR |
| 2008-05-22 | Mattersight Corp (ELOY) Delisted | Buy (P) | +22,903 | $154.8K | EDGAR |
| 2008-05-20 | Mattersight Corp (ELOY) Delisted | Buy (P) | +30,020 | $198.9K | EDGAR |
| 2008-05-16 | Mattersight Corp (ELOY) Delisted | Buy (P) | +14,733 | $97.6K | EDGAR |
| 2008-05-14 | Mattersight Corp (ELOY) Delisted | Buy (P) | +35,511 | $230.1K | EDGAR |
Showing 111–118 of 118
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Page 12 of 12
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.