Taylor Schreiber

CIK: 0001601942

Transaction Breakdown

Open Market Buys (P)1 (16.7%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)1 (16.7%)

Derivative conversions

Awards (A)4 (66.7%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

STTK

Shattuck Labs, Inc.

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (6 total)

STTK
Shattuck Labs, Inc.
May 12, 2026
Award(A)
Direct
25.6K shares at avg. $1.08$28K
STTK
Shattuck Labs, Inc.
May 12, 2026
Exercise(M)
Warrants (Right to Buy)
Direct
25.6K shares-
STTK
Shattuck Labs, Inc.
Jan 10, 2026
Award(A)
Stock Option (Right to Buy)
Direct
1.5M shares-
STTK
Shattuck Labs, Inc.
Aug 25, 2025
Award(A)
Direct
25.6K shares at avg. $0.87$22K
STTK
Shattuck Labs, Inc.
Jan 28, 2025
Award(A)
Stock Option (Right to Buy)
Direct
684.6K shares-
STTK
Shattuck Labs, Inc.
Oct 7, 2024
Purchase(P)
Direct
36.5K shares at avg. $1.21$44K

		Type	Shares	Price		Ownership
May 12, 2026	STTK Shattuck Labs, Inc.	Award(A)	25,610	$1.08	$27,777	Direct
May 12, 2026	STTK Shattuck Labs, Inc.	Exercise(M) Warrants (Right to Buy)	25,610	-	-	Direct
Jan 10, 2026	STTK Shattuck Labs, Inc.	Award(A) Stock Option (Right to Buy)	1,548,300	-	-	Direct
Aug 25, 2025	STTK Shattuck Labs, Inc.	Award(A)	25,610	$0.87	$22,222	Direct
Jan 28, 2025	STTK Shattuck Labs, Inc.	Award(A) Stock Option (Right to Buy)	684,600	-	-	Direct
Oct 7, 2024	STTK Shattuck Labs, Inc.	Purchase(P)	36,500	$1.21	$44,220	Direct

1-6 of 6 transactions

About Schreiber Taylor

Schreiber Taylor (SEC CIK 0001601942) files insider reports with the SEC as Chief Executive Officer of Shattuck Labs, Inc. (STTK).

Signal8 holds 5 ownership filings by Schreiber Taylor, all Form 4s, filed between Oct 8, 2024 and May 13, 2026. Those filings report 6 transactions, from Oct 7, 2024 to May 12, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Schreiber Taylor's filings is in AUSTIN, TX.

Recent filings by Schreiber Taylor

May 12, 2026: Grant or award of STTK shares (Form 4, code A).
May 12, 2026: Option exercise of STTK derivative securities (Form 4, code M).
Jan 10, 2026: Grant or award of STTK derivative securities (Form 4, code A).
Aug 25, 2025: Grant or award of STTK shares (Form 4, code A).
Jan 28, 2025: Grant or award of STTK derivative securities (Form 4, code A).

Other insiders filing for Shattuck Labs, Inc. (STTK)

Shukla Abhinav A., Chief Technical Officer
Pandite Arundathy N., Chief Medical Officer
Ashiya Mona, Director
ORBIMED ADVISORS LLC, Director
SIEGALL CLAY B, Director
Baker Daniel G., Director

How to read Form 4 transaction codes