STTK insider buying – Shattuck Labs, Inc.
10 insider purchases since 2016 worth $66.0M by 6 different insiders. Last 12 months: 1 purchases, $250,000. Most recent filing: 2026-06-11.
Small company Public float $23M (latest 10-K, SEC). Share prices of small companies usually swing much more than those of large ones, in both directions, and are easier to move with little trading.
Same time range as the chart above - each mark sits under the week of the trade. Circles = purchases (height = price paid, size = amount), red triangles = open-market sales of $50k+. Prices as reported, not adjusted for later stock splits. 1 older purchase (before the 5-year window) is listed in the table below.
Purchases are open-market buys (SEC Form 4, code "P") - insiders paying with their own money. Sales are open-market sales (code "S") of $50,000 or more; many sales are pre-planned (Rule 10b5-1) or made for taxes and diversification. Each row links to the original filing.
Bought, sold, still holding?
| Insider | Bought | First / last buy | Sold since 2016 | Holds now* | Status |
|---|---|---|---|---|---|
| Green Jeremy Director | $59.8M 2× · 3,574,547 sh | 2020-10-14 2024-12-04 | 1× · $166,714 last 2024-12-04 | 5,406,353 shares as of 2024-12-06 | Holds (sold earlier) |
| Ashiya Mona Director | $5.5M 1× · 6,306,127 sh | 2025-08-25 2025-08-25 | – | 1,051,021 shares as of 2026-06-15 | Holds - never sold |
| SIEGALL CLAY B Director | $250,000 1× · 62,500 sh | 2026-06-09 2026-06-09 | – | 318,608 shares as of 2026-06-11 | Holds - never sold |
| Golumbeski George Director | $199,818 2× · 54,613 sh | 2022-04-21 2022-04-26 | – | 54,613 shares as of 2022-04-27 | Holds - never sold |
| Schreiber Taylor CEO | $94,133 2× · 50,900 sh | 2024-06-26 2024-10-07 | 4× · $2.5M last 2021-05-21 | 2,732,972 shares as of 2026-05-13 | Holds (sold earlier) |
| Brous Tyler Director | $88,803 2× · 16,416 sh | 2022-01-14 2024-06-27 | – | 238,088 shares as of 2024-07-01 | Holds - never sold |
* Shares held after the insider's most recent SEC filing for this company (all share classes, direct and indirect). If an insider stops filing, later changes are not known.
Insider buying and selling by year
| Year | Purchases | Bought | Buyers | Sales | Sold |
|---|---|---|---|---|---|
| 2026 | 1 | $250,000 | 1 | 3 | $574,731 |
| 2025 | 1 | $5.5M | 1 | – | – |
| 2024 | 4 | $293,615 | 3 | 3 | $585,236 |
| 2022 | 3 | $255,853 | 2 | – | – |
| 2021 | 0 | – | – | 30 | $15.0M |
| 2020 | 1 | $59.7M | 1 | – | – |
Insider purchases
| Filed | Insider | Role | Shares | Avg price | Value | Holdings | Filing |
|---|---|---|---|---|---|---|---|
| 2026-06-11 | SIEGALL CLAY B | Director | 62,500 | $4.00 | $250,000 | +24.4% | SEC |
| 2025-09-02 | Ashiya Mona | Director | 6,306,127 | $0.87 | $5.5M | SEC | |
| 2024-12-06 | Green Jeremy | Director | 133,371 | $1.25 | $166,714 | +2.5% | SEC |
| 2024-10-08 | Schreiber Taylor | CEO | 36,500 | $1.21 | $44,165 | +105.8% | SEC |
| 2024-07-01 | Brous Tyler | Director | 8,416 | $3.89 | $32,768 | +3.7% | SEC |
| 2024-06-26 | Schreiber Taylor | CEO | 14,400 | $3.47 | $49,968 | +71.6% | SEC |
| 2022-04-27 | Golumbeski George | Director | 28,330 | $3.63 | $102,838 | +107.8% | SEC |
| 2022-04-26 | Golumbeski George | Director | 26,283 | $3.69 | $96,980 | SEC | |
| 2022-01-19 | Brous Tyler | Director | 8,000 | $7.00 | $56,035 | +3.6% | SEC |
| 2020-10-15 | Green Jeremy | Director | 3,441,176 | $17.34 | $59.7M | +157.9% | SEC |
Insider sales
| Filed | Insider | Role | Shares | Avg price | Value | Type | Filing |
|---|---|---|---|---|---|---|---|
| 2026-07-02 | Shukla Abhinav A. | Officer | 23,465 | $7.08 | $166,131 | Sale | SEC |
| 2026-07-02 | Pandite Arundathy N. | Officer | 30,000 | $7.01 | $210,300 | Sale | SEC |
| 2026-05-14 | Pandite Arundathy N. | Officer | 30,000 | $6.61 | $198,300 | Sale | SEC |
| 2024-12-06 | Green Jeremy | Director | 133,371 | $1.25 | $166,714 | Sale | SEC |
| 2024-03-08 | Stout Stephen | Officer | 16,004 | $10.53 | $168,522 | Sale | SEC |
| 2024-01-16 | Neill Andrew R | CFO | 25,000 | $10.00 | $250,000 | Sale | SEC |
| 2021-10-21 | Thomson Erin Ator | Officer | 33,000 | $19.50 | $643,500 | Sale | SEC |
| 2021-07-14 | Hornblower Josiah | Director | 19,234 | $24.03 | $462,215 | Sale | SEC |
| 2021-07-09 | Hornblower Josiah | Director | 11,133 | $26.30 | $292,814 | Sale | SEC |
| 2021-07-06 | Hornblower Josiah | Director | 12,804 | $28.45 | $364,274 | Sale | SEC |
| 2021-06-30 | Hornblower Josiah | Director | 32,903 | $28.12 | $925,231 | Sale | SEC |
| 2021-06-25 | Hornblower Josiah | Director | 29,658 | $28.21 | $836,728 | Sale | SEC |
| 2021-06-22 | Thomson Erin Ator | Officer | 3,000 | $30.00 | $90,000 | Sale | SEC |
| 2021-06-22 | Hornblower Josiah | Director | 34,936 | $29.36 | $1.0M | Sale | SEC |
| 2021-06-16 | Thomson Erin Ator | Officer | 4,000 | $27.55 | $110,200 | Sale | SEC |
Showing the latest 15 of 36 sales of $50,000+ since 2016.
Compiled automatically from public SEC filings. Not investment advice. Get every new insider purchase in the daily report.
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