There have been 50 recent insider transactions recorded for Shattuck Labs, Inc. (STTK), including 32 buys and 15 sells. Total insider buying was valued at $17.94M and total insider selling at $1.46M.
Notable insiders with recent activity include Deyoung Casi, Neill Andrew R, Pandite Arundathy N.. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — STTK
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-01-25 |
Deyoung Casi |
Chief Business Officer |
Tax Withholding of RSU |
2,286 |
$4.15 |
$9.49K |
73,480 |
| 2026-01-25 |
Neill Andrew R |
Chief Financial Officer |
Tax Withholding of RSU |
2,589 |
$4.15 |
$10.74K |
228,224 |
| 2026-01-25 |
Pandite Arundathy N. |
Chief Medical Officer |
Tax Withholding of RSU |
3,195 |
$4.15 |
$13.26K |
196,219 |
| 2026-01-25 |
Stout Stephen |
See Remarks |
Tax Withholding of RSU |
593 |
$4.15 |
$2.46K |
81,529 |
| 2026-01-10 |
Schreiber Taylor |
Chief Executive Officer |
RSU Award |
1,548,300 |
$4.75 |
$7.35M |
1,548,300 |
| 2026-01-10 |
Deyoung Casi |
Chief Business Officer |
Tax Withholding of RSU |
5,699 |
$4.75 |
$27.07K |
75,766 |
| 2026-01-10 |
Neill Andrew R |
Chief Financial Officer |
Tax Withholding of RSU |
6,660 |
$4.75 |
$31.64K |
230,813 |
| 2026-01-10 |
Pandite Arundathy N. |
Chief Medical Officer |
Tax Withholding of RSU |
6,851 |
$4.75 |
$32.54K |
199,414 |
| 2026-01-10 |
Shukla Abhinav A. |
Chief Technical Officer |
RSU Award |
315,500 |
$4.75 |
$1.5M |
315,500 |
| 2026-01-10 |
Stout Stephen |
See Remarks |
Tax Withholding of RSU |
4,153 |
$4.75 |
$19.73K |
82,122 |
| 2025-08-28 |
Ashiya Mona |
Director |
RSU Award |
66,300 |
$0.99 |
$65.64K |
66,300 |
| 2025-08-28 |
Baker Daniel G. |
Director |
RSU Award |
66,300 |
$0.99 |
$65.64K |
66,300 |
| 2025-08-25 |
Redmile Group, Llc |
10 Percent Owner |
RSU Award |
4,097,730 |
$1.08 |
$4.44M |
4,097,730 |
| 2025-08-25 |
Siegall Clay B |
Director |
RSU Award |
128,054 |
$1.08 |
$138.89K |
128,054 |
| 2025-08-25 |
Schreiber Taylor |
Chief Executive Officer |
RSU Award |
25,610 |
$1.08 |
$27.78K |
25,610 |
| 2025-08-25 |
Neill Andrew R |
Chief Financial Officer |
RSU Award |
64,027 |
$1.08 |
$69.44K |
64,027 |
| 2025-08-25 |
Shukla Abhinav A. |
Chief Technical Officer |
RSU Award |
5,122 |
$1.08 |
$5.56K |
5,122 |
| 2025-08-25 |
Stout Stephen |
See Remarks |
RSU Award |
12,805 |
$1.08 |
$13.89K |
12,805 |
| 2025-08-25 |
Orbimed Advisors Llc |
Director |
Unknown |
- |
- |
- |
- |
| 2025-08-25 |
Orbimed Advisors Llc |
Director |
Informative Buy |
1,051,021 |
$0.87 |
$911.97K |
1,051,021 |
| 2025-08-25 |
Ashiya Mona |
Officer |
Unknown |
- |
- |
- |
- |
| 2025-08-25 |
Ashiya Mona |
Director |
Informative Buy |
1,051,021 |
$0.87 |
$911.97K |
1,051,021 |
| 2025-08-25 |
Baker Daniel G. |
Officer |
Unknown |
- |
- |
- |
- |
| 2025-07-14 |
Siegall Clay B |
Director |
RSU Award |
33,150 |
$0.82 |
$27.18K |
33,150 |
| 2025-07-14 |
Redmile Group, Llc |
10 Percent Owner |
RSU Award |
33,150 |
$0.82 |
$27.18K |
33,150 |
| 2025-07-14 |
Gibson Neil W |
Director |
RSU Award |
33,150 |
$0.82 |
$27.18K |
33,150 |
| 2025-07-14 |
Golumbeski George |
Director |
RSU Award |
33,150 |
$0.82 |
$27.18K |
33,150 |
| 2025-07-14 |
Boudreau Helen M |
Director |
RSU Award |
33,150 |
$0.82 |
$27.18K |
33,150 |
| 2025-07-14 |
Lee Michael Stewart |
Director |
RSU Award |
33,150 |
$0.82 |
$27.18K |
33,150 |
| 2025-07-14 |
Brous Tyler |
Director |
RSU Award |
33,150 |
$0.82 |
$27.18K |
33,150 |
| 2025-07-14 |
Brownstein Carrie |
Director |
RSU Award |
33,150 |
$0.82 |
$27.18K |
33,150 |
| 2025-07-14 |
Sasser Amy Kate |
Director |
RSU Award |
33,150 |
$0.82 |
$27.18K |
33,150 |
| 2025-01-28 |
Schreiber Taylor |
Chief Executive Officer |
RSU Award |
684,600 |
$1.18 |
$807.83K |
684,600 |
| 2025-01-28 |
Deyoung Casi |
Chief Business Officer |
RSU Award |
194,300 |
$1.18 |
$229.27K |
194,300 |
| 2025-01-28 |
Neill Andrew R |
Chief Financial Officer |
RSU Award |
214,000 |
$1.18 |
$252.52K |
214,000 |
| 2025-01-28 |
Pandite Arundathy N. |
Chief Medical Officer |
RSU Award |
206,200 |
$1.18 |
$243.32K |
206,200 |
| 2025-01-28 |
Shukla Abhinav A. |
Chief Technical Officer |
RSU Award |
165,200 |
$1.18 |
$194.94K |
165,200 |
| 2025-01-28 |
Stout Stephen |
See Remarks |
RSU Award |
177,000 |
$1.18 |
$208.86K |
177,000 |
| 2025-01-25 |
Deyoung Casi |
Chief Business Officer |
Tax Withholding of RSU |
2,297 |
$1.16 |
$2.66K |
81,465 |
| 2025-01-25 |
Pandite Arundathy N. |
Chief Medical Officer |
Tax Withholding of RSU |
3,211 |
$1.16 |
$3.72K |
206,265 |
| 2025-01-25 |
Shukla Abhinav A. |
Chief Technical Officer |
Tax Withholding of RSU |
2,261 |
$1.16 |
$2.62K |
73,536 |
| 2025-01-10 |
Deyoung Casi |
Chief Business Officer |
Tax Withholding of RSU |
5,727 |
$1.19 |
$6.82K |
83,762 |
| 2025-01-10 |
Pandite Arundathy N. |
Chief Medical Officer |
Tax Withholding of RSU |
6,884 |
$1.19 |
$8.19K |
209,476 |
| 2025-01-10 |
Shukla Abhinav A. |
Chief Technical Officer |
Tax Withholding of RSU |
4,830 |
$1.19 |
$5.75K |
74,597 |
| 2024-12-04 |
Redmile Group, Llc |
10 Percent Owner |
Other (Sell) |
1,026,888 |
$1.25 |
$1.28M |
4,512,836 |
| 2024-10-07 |
Schreiber Taylor |
Chief Executive Officer |
Informative Buy |
36,500 |
$1.21 |
$44.22K |
71,002 |
| 2024-06-28 |
Brous Tyler |
Director |
Informative Buy |
3,000 |
$3.90 |
$11.7K |
238,088 |
| 2024-06-27 |
Brous Tyler |
Director |
Informative Buy |
5,416 |
$3.89 |
$21.07K |
235,088 |
| 2024-06-26 |
Schreiber Taylor |
Chief Executive Officer |
Informative Buy |
14,400 |
$3.47 |
$50.01K |
34,502 |
| 2024-06-21 |
Siegall Clay B |
Director |
RSU Award |
27,700 |
$4.37 |
$121.05K |
27,700 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
