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Shattuck Labs, Inc.

STTK Net buying
CIK 0001680367 #2799 in the set updated 18 Sep 2026
Bought (120 mo)
$71.41M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$16.23M
$658.60K on a plan · $566.41K straight out of an exercise
Sold at will
$15.00M
71 of 82 sales
Net
+$55.18M
+$56.41M against sales at will

By person

14 insiders · 118 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Redmile Group, LLC entity
Director
$59.84M (7)
$166.71K (1)
+$59.67M
11,159,638
$78.23M
+101.3%
Hornblower Josiah
Director
—
$9.47M (47)
−$9.47M
3,313,796
$23.23M
−0.6%
Ashiya Mona
Director
$5.47M (2)
—
+$5.47M
1,051,021
$7.37M
—
ORBIMED ADVISORS LLC entity
Director
$5.47M (2)
—
+$5.47M
1,051,021
$7.37M
—
Schreiber Taylor
Chief Executive Officer
$94.23K (2)
$2.51M (11)
−$2.42M
2,732,972
$19.16M
+1.0%
Neill Andrew R
Chief Financial Officer
—
$1.84M (6)
−$1.84M
292,251
$2.05M
+230.4%
Thomson Erin Ator
General Counsel
—
$1.47M (8)
−$1.47M
103,209
$723.50K
0.0%
Pandite Arundathy N.
Chief Medical Officer
—
$408.60K (2) scheduled
−$408.60K
136,219
$954.90K
+35.8%
SIEGALL CLAY B
Director
$250.00K (1)
—
+$250.00K
318,608
$2.23M
—
Golumbeski George
Director
$199.82K (3)
—
+$199.82K
54,613
$382.84K
—
Shukla Abhinav A.
Chief Technical Officer
—
$183.25K (4) scheduled
−$183.25K
98,533
$690.72K
+252.8%
Stout Stephen
See Remarks
—
$168.52K (3) scheduled
−$168.52K
93,366
$654.50K
+523.5%
Brous Tyler
Director
$88.80K (5)
—
+$88.80K
238,088
$1.67M
+184.9%
DeYoung Casi
Chief Business Officer
—
—
—
73,480
$515.09K
—

No percentages here. This company's share count has moved by a factor of 2.1 over the window, from 47,739,708 to 100,363,253 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.

Individual transactions

14
Insider
Date
Role
Action
Shares
Price
Amount
Shukla Abhinav A.
6 Jul 2026
Chief Technical Officer
Exercised, kept
12,153
$3.57
$43.39K
Schreiber Taylor
4 Jun 2024
Chief Executive Officer
Exercised, kept
3,050
$3.57
$10.89K
Schreiber Taylor
28 Jan 2022
Chief Executive Officer
Exercised, kept
3,926
$4.67
$18.33K
Thomson Erin Ator
12 Jan 2022
General Counsel
Exercised, kept
10,000
$2.95
$29.50K
Neill Andrew R
11 Nov 2021
Chief Financial Officer
Exercised, kept
20,000
$2.95
$59.00K
Schreiber Taylor
10 Nov 2021
Chief Executive Officer
Exercised, kept
3,926
$4.67
$18.33K
Schreiber Taylor
10 Aug 2021
Chief Executive Officer
Exercised, kept
3,926
$4.67
$18.33K
Pandite Arundathy N.
10 Aug 2021
Chief Medical Officer
Exercised, kept
4,259
$0.01
$42.59
Neill Andrew R
10 Aug 2021
Chief Financial Officer
Exercised, kept
2,203
$0.01
$22.03
Neill Andrew R
12 May 2021
Chief Financial Officer
Exercised, kept
8,860
$0.01
$88.60
Pandite Arundathy N.
5 Jan 2021
Chief Medical Officer
Exercised, kept
1,604
$0.01
$16.04
Neill Andrew R
22 Dec 2020
See Remarks
Exercised, kept
4,426
$0.01
$44.26
Neill Andrew R
5 Nov 2020
See Remarks
Exercised, kept
2,211
$0.01
$22.11
Thomson Erin Ator
5 Nov 2020
General Counsel
Exercised, kept
2,952
$0.01
$29.52
Show all 118 transactions →

What was left out

Form 4 filings counted 190
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 14
Sales on a Rule 10b5-1 plan 3
Sales straight out of an exercise 8
Sales at will 71
Transactions with no price 0
Shares from compensation/vesting 7,555,268
Sales filed before the plan box existed 70
History held since 15 Oct 2020