STTK
HealthcareShattuck Labs, Inc.
$6.00+0.05 (+0.84%)
Prev Close
$5.95
Open
$5.95
High
$6.20
Low
$5.86
Volume
320.1K
Market Cap
$291.0M
P/E
—
Div Yield
—
Over the past 12 months, insider activity at Shattuck Labs, Inc. (STTK) has been dominated by buying, with 1 insider purchase totaling $5.47M and 8 insider sales totaling $146.9K. The most recent insider transaction was by DeYoung Casi (Chief Business Officer), who sold $9.5K worth of shares on Jan 25, 2026. Shattuck Labs, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $291.0M.
Buys (12M)
1
$5.47M
Sells (12M)
8
$146.9K
Net Activity
Net Buyer
$5.32M
Active Insiders
5
last 12 mo
STTK Price Chart
STTK Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jan 25, 2026↗ | DeYoung Casi | Chief Business Officer | Sell | 2,286 | $4.15 | $9.5K | 0 |
| Jan 25, 2026↗ | Neill Andrew R | Chief Financial Officer | Sell | 2,589 | $4.15 | $10.7K | 0 |
| Jan 25, 2026↗ | Pandite Arundathy N. | Chief Medical Officer | Sell | 3,195 | $4.15 | $13.3K | 0 |
| Jan 25, 2026↗ | Stout Stephen | See Remarks | Sell | 593 | $4.15 | $2.5K | 0 |
| Jan 10, 2026↗ | DeYoung Casi | Chief Business Officer | Sell | 5,699 | $4.75 | $27.1K | 0 |
| Jan 10, 2026↗ | Neill Andrew R | Chief Financial Officer | Sell | 6,660 | $4.75 | $31.6K | 0 |
| Jan 10, 2026↗ | Pandite Arundathy N. | Chief Medical Officer | Sell | 6,851 | $4.75 | $32.5K | 0 |
| Jan 10, 2026↗ | Stout Stephen | See Remarks | Sell | 4,153 | $4.75 | $19.7K | 0 |
| Aug 25, 2025↗ | Ashiya Mona | Director | Buy | 6,306,127 | $0.87 | $5.47M | 0 |
| Dec 6, 2024↗ | Redmile Group, LLC | Director | Buy | 133,371 | $1.25 | $166.7K | 5,539,720 |
| Dec 6, 2024↗ | Redmile Group, LLC | Director | Sell | 133,371 | $1.25 | $166.7K | 5,406,350 |
| Oct 8, 2024↗ | Schreiber Taylor | Chief Executive Officer | Buy | 36,500 | $1.21 | $44.2K | 71,002 |
| Jul 1, 2024↗ | Brous Tyler | Buy | 8,416 | $3.89 | $32.8K | 238,088 | |
| Jun 26, 2024↗ | Schreiber Taylor | Chief Executive Officer | Buy | 14,400 | $3.47 | $50.0K | 34,502 |
| Mar 8, 2024↗ | Stout Stephen | See Remarks | Sell | 16,004 | $10.53 | $168.5K | 79,332 |
| Jan 16, 2024↗ | Neill Andrew R | Chief Financial Officer | Sell | 25,000 | $10.00 | $250.0K | 173,446 |
| Apr 27, 2022↗ | Golumbeski George | Director | Buy | 28,330 | $3.63 | $102.8K | 54,613 |
| Apr 26, 2022↗ | Golumbeski George | Director | Buy | 26,283 | $3.69 | $97.0K | 26,283 |
| Jan 19, 2022↗ | Brous Tyler | Director | Buy | 8,000 | $7.00 | $56.0K | 229,672 |
| Oct 21, 2021↗ | Thomson Erin Ator | General Counsel | Sell | 33,000 | $19.50 | $643.5K | 46,259 |
| Jul 16, 2021↗ | Hornblower Josiah | Director | Sell | 34 | $22.74 | $773.16 | 2,966,710 |
| Jul 16, 2021↗ | Neill Andrew R | Chief Financial Officer | Sell | 2,000 | $22.13 | $44.3K | 53,963 |
| Jul 16, 2021↗ | Thomson Erin Ator | General Counsel | Sell | 2,000 | $22.18 | $44.4K | 79,259 |
| Jul 14, 2021↗ | Hornblower Josiah | Director | Sell | 19,234 | $24.03 | $462.2K | 2,983,150 |
| Jul 9, 2021↗ | Hornblower Josiah | Director | Sell | 11,133 | $26.30 | $292.8K | 2,992,840 |
| Jul 6, 2021↗ | Hornblower Josiah | Director | Sell | 12,804 | $28.45 | $364.3K | 3,002,240 |
| Jun 30, 2021↗ | Hornblower Josiah | Director | Sell | 32,903 | $28.12 | $925.2K | 3,034,730 |
| Jun 25, 2021↗ | Hornblower Josiah | Director | Sell | 29,658 | $28.21 | $836.7K | 3,066,640 |
| Jun 22, 2021↗ | Hornblower Josiah | Director | Sell | 34,936 | $29.36 | $1.03M | 3,098,940 |
| Jun 22, 2021↗ | Thomson Erin Ator | General Counsel | Sell | 3,000 | $30.00 | $90.0K | 81,259 |
| Jun 16, 2021↗ | Hornblower Josiah | Director | Sell | 21,340 | $28.00 | $597.5K | 3,123,400 |
| Jun 16, 2021↗ | Neill Andrew R | Chief Financial Officer | Sell | 2,000 | $27.53 | $55.1K | 55,963 |
| Jun 16, 2021↗ | Thomson Erin Ator | General Counsel | Sell | 4,000 | $27.55 | $110.2K | 84,259 |
| Jun 11, 2021↗ | Hornblower Josiah | Director | Sell | 17,309 | $29.09 | $503.6K | 3,138,460 |
| Jun 8, 2021↗ | Hornblower Josiah | Director | Sell | 27,012 | $29.32 | $791.9K | 3,166,020 |
| Jun 8, 2021↗ | Thomson Erin Ator | General Counsel | Sell | 3,000 | $30.00 | $90.0K | 88,259 |
| Jun 3, 2021↗ | Hornblower Josiah | Director | Sell | 17,824 | $27.46 | $489.4K | 3,184,960 |
| May 28, 2021↗ | Hornblower Josiah | Director | Sell | 18,990 | $26.29 | $499.2K | 3,204,570 |
| May 25, 2021↗ | Hornblower Josiah | Director | Sell | 16,592 | $25.24 | $418.8K | 3,220,500 |
| May 25, 2021↗ | Schreiber Taylor | Chief Executive Officer | Sell | 10,545 | $25.36 | $267.4K | 2,615,080 |
| May 20, 2021↗ | Hornblower Josiah | Director | Sell | 20,386 | $25.57 | $521.2K | 3,241,760 |
| May 20, 2021↗ | Schreiber Taylor | Chief Executive Officer | Sell | 20,170 | $25.55 | $515.4K | 2,636,470 |
| May 17, 2021↗ | Hornblower Josiah | Director | Sell | 27,521 | $26.12 | $718.9K | 3,264,300 |
| May 17, 2021↗ | Neill Andrew R | Chief Financial Officer | Sell | 2,000 | $26.27 | $52.5K | 57,963 |
| May 17, 2021↗ | Schreiber Taylor | Chief Executive Officer | Sell | 27,072 | $26.13 | $707.5K | 2,658,680 |
| May 17, 2021↗ | Thomson Erin Ator | General Counsel | Sell | 4,000 | $26.25 | $105.0K | 91,259 |
| May 12, 2021↗ | Hornblower Josiah | Director | Sell | 37,324 | $27.51 | $1.03M | 3,303,480 |
| May 12, 2021↗ | Schreiber Taylor | Chief Executive Officer | Sell | 37,213 | $27.52 | $1.02M | 2,697,560 |
| Apr 30, 2021↗ | Neill Andrew R | Chief Financial Officer | Sell | 20,000 | $35.00 | $700.0K | 51,103 |
| Apr 30, 2021↗ | Thomson Erin Ator | General Counsel | Sell | 5,000 | $35.00 | $175.0K | 95,259 |
Showing 1–50 of 52
1 / 2
STTK Insider Buying Activity
The following table shows recent insider purchases of Shattuck Labs, Inc. (STTK) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Aug 25, 2025↗ | Ashiya Mona | Director | Buy | 6,306,127 | $0.87 | $5.47M | 0 |
| Dec 6, 2024↗ | Redmile Group, LLC | Director | Buy | 133,371 | $1.25 | $166.7K | 5,539,720 |
| Oct 8, 2024↗ | Schreiber Taylor | Chief Executive Officer | Buy | 36,500 | $1.21 | $44.2K | 71,002 |
| Jul 1, 2024↗ | Brous Tyler | Buy | 8,416 | $3.89 | $32.8K | 238,088 | |
| Jun 26, 2024↗ | Schreiber Taylor | Chief Executive Officer | Buy | 14,400 | $3.47 | $50.0K | 34,502 |
| Apr 27, 2022↗ | Golumbeski George | Director | Buy | 28,330 | $3.63 | $102.8K | 54,613 |
| Apr 26, 2022↗ | Golumbeski George | Director | Buy | 26,283 | $3.69 | $97.0K | 26,283 |
| Jan 19, 2022↗ | Brous Tyler | Director | Buy | 8,000 | $7.00 | $56.0K | 229,672 |
STTK Insider Selling Activity
The following table shows recent insider sales of Shattuck Labs, Inc. (STTK) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jan 25, 2026↗ | DeYoung Casi | Chief Business Officer | Sell | 2,286 | $4.15 | $9.5K | 0 |
| Jan 25, 2026↗ | Neill Andrew R | Chief Financial Officer | Sell | 2,589 | $4.15 | $10.7K | 0 |
| Jan 25, 2026↗ | Pandite Arundathy N. | Chief Medical Officer | Sell | 3,195 | $4.15 | $13.3K | 0 |
| Jan 25, 2026↗ | Stout Stephen | See Remarks | Sell | 593 | $4.15 | $2.5K | 0 |
| Jan 10, 2026↗ | DeYoung Casi | Chief Business Officer | Sell | 5,699 | $4.75 | $27.1K | 0 |
| Jan 10, 2026↗ | Neill Andrew R | Chief Financial Officer | Sell | 6,660 | $4.75 | $31.6K | 0 |
| Jan 10, 2026↗ | Pandite Arundathy N. | Chief Medical Officer | Sell | 6,851 | $4.75 | $32.5K | 0 |
| Jan 10, 2026↗ | Stout Stephen | See Remarks | Sell | 4,153 | $4.75 | $19.7K | 0 |
| Dec 6, 2024↗ | Redmile Group, LLC | Director | Sell | 133,371 | $1.25 | $166.7K | 5,406,350 |
| Mar 8, 2024↗ | Stout Stephen | See Remarks | Sell | 16,004 | $10.53 | $168.5K | 79,332 |
| Jan 16, 2024↗ | Neill Andrew R | Chief Financial Officer | Sell | 25,000 | $10.00 | $250.0K | 173,446 |
| Oct 21, 2021↗ | Thomson Erin Ator | General Counsel | Sell | 33,000 | $19.50 | $643.5K | 46,259 |
| Jul 16, 2021↗ | Hornblower Josiah | Director | Sell | 34 | $22.74 | $773.16 | 2,966,710 |
| Jul 16, 2021↗ | Neill Andrew R | Chief Financial Officer | Sell | 2,000 | $22.13 | $44.3K | 53,963 |
| Jul 16, 2021↗ | Thomson Erin Ator | General Counsel | Sell | 2,000 | $22.18 | $44.4K | 79,259 |
| Jul 14, 2021↗ | Hornblower Josiah | Director | Sell | 19,234 | $24.03 | $462.2K | 2,983,150 |
| Jul 9, 2021↗ | Hornblower Josiah | Director | Sell | 11,133 | $26.30 | $292.8K | 2,992,840 |
| Jul 6, 2021↗ | Hornblower Josiah | Director | Sell | 12,804 | $28.45 | $364.3K | 3,002,240 |
| Jun 30, 2021↗ | Hornblower Josiah | Director | Sell | 32,903 | $28.12 | $925.2K | 3,034,730 |
| Jun 25, 2021↗ | Hornblower Josiah | Director | Sell | 29,658 | $28.21 | $836.7K | 3,066,640 |
| Jun 22, 2021↗ | Hornblower Josiah | Director | Sell | 34,936 | $29.36 | $1.03M | 3,098,940 |
| Jun 22, 2021↗ | Thomson Erin Ator | General Counsel | Sell | 3,000 | $30.00 | $90.0K | 81,259 |
| Jun 16, 2021↗ | Hornblower Josiah | Director | Sell | 21,340 | $28.00 | $597.5K | 3,123,400 |
| Jun 16, 2021↗ | Neill Andrew R | Chief Financial Officer | Sell | 2,000 | $27.53 | $55.1K | 55,963 |
| Jun 16, 2021↗ | Thomson Erin Ator | General Counsel | Sell | 4,000 | $27.55 | $110.2K | 84,259 |
| Jun 11, 2021↗ | Hornblower Josiah | Director | Sell | 17,309 | $29.09 | $503.6K | 3,138,460 |
| Jun 8, 2021↗ | Hornblower Josiah | Director | Sell | 27,012 | $29.32 | $791.9K | 3,166,020 |
| Jun 8, 2021↗ | Thomson Erin Ator | General Counsel | Sell | 3,000 | $30.00 | $90.0K | 88,259 |
| Jun 3, 2021↗ | Hornblower Josiah | Director | Sell | 17,824 | $27.46 | $489.4K | 3,184,960 |
| May 28, 2021↗ | Hornblower Josiah | Director | Sell | 18,990 | $26.29 | $499.2K | 3,204,570 |
| May 25, 2021↗ | Hornblower Josiah | Director | Sell | 16,592 | $25.24 | $418.8K | 3,220,500 |
| May 25, 2021↗ | Schreiber Taylor | Chief Executive Officer | Sell | 10,545 | $25.36 | $267.4K | 2,615,080 |
| May 20, 2021↗ | Hornblower Josiah | Director | Sell | 20,386 | $25.57 | $521.2K | 3,241,760 |
| May 20, 2021↗ | Schreiber Taylor | Chief Executive Officer | Sell | 20,170 | $25.55 | $515.4K | 2,636,470 |
| May 17, 2021↗ | Hornblower Josiah | Director | Sell | 27,521 | $26.12 | $718.9K | 3,264,300 |
| May 17, 2021↗ | Neill Andrew R | Chief Financial Officer | Sell | 2,000 | $26.27 | $52.5K | 57,963 |
| May 17, 2021↗ | Schreiber Taylor | Chief Executive Officer | Sell | 27,072 | $26.13 | $707.5K | 2,658,680 |
| May 17, 2021↗ | Thomson Erin Ator | General Counsel | Sell | 4,000 | $26.25 | $105.0K | 91,259 |
| May 12, 2021↗ | Hornblower Josiah | Director | Sell | 37,324 | $27.51 | $1.03M | 3,303,480 |
| May 12, 2021↗ | Schreiber Taylor | Chief Executive Officer | Sell | 37,213 | $27.52 | $1.02M | 2,697,560 |
| Apr 30, 2021↗ | Neill Andrew R | Chief Financial Officer | Sell | 20,000 | $35.00 | $700.0K | 51,103 |
| Apr 30, 2021↗ | Thomson Erin Ator | General Counsel | Sell | 5,000 | $35.00 | $175.0K | 95,259 |
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