Andrew R. Neill

CIK: 0001827204

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)1 (14.3%)

Derivative conversions

Awards (A)4 (57.1%)

Compensation grants

Other (G, F, J, C, D, …)2 (28.6%)

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

Companies & Roles (1)

STTK

Shattuck Labs, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (7 total)

STTK
Shattuck Labs, Inc.
May 12, 2026
Exercise(M)
Warrants (Right to Buy)
Direct
64K shares-
STTK
Shattuck Labs, Inc.
May 12, 2026
Award(A)
Direct
64K shares at avg. $1.08$69K
STTK
Shattuck Labs, Inc.
Jan 25, 2026
Tax Payment(F)
Direct
2.6K shares at avg. $4.15$11K
STTK
Shattuck Labs, Inc.
Jan 10, 2026
Tax Payment(F)
Direct
6.7K shares at avg. $4.75$32K
STTK
Shattuck Labs, Inc.
Jan 10, 2026
Award(A)
Stock Option (Right to Buy)
Direct
549.8K shares-
STTK
Shattuck Labs, Inc.
Aug 25, 2025
Award(A)
Direct
64K shares at avg. $0.87$56K
STTK
Shattuck Labs, Inc.
Jan 28, 2025
Award(A)
Stock Option (Right to Buy)
Direct
214K shares-

		Type	Shares	Price		Ownership
May 12, 2026	STTK Shattuck Labs, Inc.	Exercise(M) Warrants (Right to Buy)	64,027	-	-	Direct
May 12, 2026	STTK Shattuck Labs, Inc.	Award(A)	64,027	$1.08	$69,444	Direct
Jan 25, 2026	STTK Shattuck Labs, Inc.	Tax Payment(F)	2,589	$4.15	$10,744	Direct
Jan 10, 2026	STTK Shattuck Labs, Inc.	Tax Payment(F)	6,660	$4.75	$31,635	Direct
Jan 10, 2026	STTK Shattuck Labs, Inc.	Award(A) Stock Option (Right to Buy)	549,800	-	-	Direct
Aug 25, 2025	STTK Shattuck Labs, Inc.	Award(A)	64,027	$0.87	$55,556	Direct
Jan 28, 2025	STTK Shattuck Labs, Inc.	Award(A) Stock Option (Right to Buy)	214,000	-	-	Direct

1-7 of 7 transactions

About Neill Andrew R

Neill Andrew R (SEC CIK 0001827204) files insider reports with the SEC as Chief Financial Officer of Shattuck Labs, Inc. (STTK).

Signal8 holds 5 ownership filings by Neill Andrew R, all Form 4s, filed between Jan 28, 2025 and May 14, 2026. Those filings report 7 transactions, from Jan 28, 2025 to May 12, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Neill Andrew R's filings is in AUSTIN, TX.

Recent filings by Neill Andrew R

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