George Golumbeski

CIK: 0001586660

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)7 (58.3%)

Compensation grants

Other (G, F, J, C, D, …)5 (41.7%)

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

Companies & Roles (4)

ABOS

Acumen Pharmaceuticals, Inc.

Director

STTK

Shattuck Labs, Inc.

Director

MURA

Mural Oncology plc

Director

SAGE

Sage Therapeutics, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (12 total)

ABOS
Acumen Pharmaceuticals, Inc.
Jun 3, 2026
Award(A)
Direct
35.5K shares-
STTK
Shattuck Labs, Inc.
May 29, 2026
Award(A)
Stock Option (Right to Buy)
Direct
81K shares-
MURA
Mural Oncology plc
Dec 5, 2025
Disposition(D)
Stock Option (right to buy)
Direct
15.3K shares-
MURA
Mural Oncology plc
Dec 5, 2025
Disposition(D)
Stock Option (right to buy)
Direct
8.6K shares-
ABOS
Acumen Pharmaceuticals, Inc.
Nov 6, 2025
Award(A)
Stock Option (right to buy)
Direct
50K shares-
SAGE
Sage Therapeutics, Inc.
Jul 31, 2025
Disposition(D)
Stock Option (Right to Buy)
Direct
21.5K shares-
SAGE
Sage Therapeutics, Inc.
Jul 31, 2025
Disposition(D)
Stock Option (Right to Buy)
Direct
13.6K shares-
SAGE
Sage Therapeutics, Inc.
Jul 31, 2025
Tender Offer(U)
Direct
8K shares-
STTK
Shattuck Labs, Inc.
Jul 14, 2025
Award(A)
Stock Option (Right to Buy)
Direct
33.2K shares-
SAGE
Sage Therapeutics, Inc.
Jun 11, 2025
Award(A)
Stock Option (Right to Buy)
Direct
21.5K shares-
MURA
Mural Oncology plc
Jun 11, 2025
Award(A)
Stock Option (right to buy)
Direct
8.6K shares-
SAGE
Sage Therapeutics, Inc.
Jan 3, 2025
Award(A)
Stock Options (Right to buy)
Direct
13.6K shares-

		Type	Shares	Price		Ownership
Jun 3, 2026	ABOS Acumen Pharmaceuticals, Inc.	Award(A)	35,500	-	$0	Direct
May 29, 2026	STTK Shattuck Labs, Inc.	Award(A) Stock Option (Right to Buy)	81,000	-	-	Direct
Dec 5, 2025	MURA Mural Oncology plc	Disposition(D) Stock Option (right to buy)	15,334	-	-	Direct
Dec 5, 2025	MURA Mural Oncology plc	Disposition(D) Stock Option (right to buy)	8,637	-	-	Direct
Nov 6, 2025	ABOS Acumen Pharmaceuticals, Inc.	Award(A) Stock Option (right to buy)	50,000	-	-	Direct
Jul 31, 2025	SAGE Sage Therapeutics, Inc.	Disposition(D) Stock Option (Right to Buy)	21,500	-	-	Direct
Jul 31, 2025	SAGE Sage Therapeutics, Inc.	Disposition(D) Stock Option (Right to Buy)	13,593	-	-	Direct
Jul 31, 2025	SAGE Sage Therapeutics, Inc.	Tender Offer(U)	8,000	-	-	Direct
Jul 14, 2025	STTK Shattuck Labs, Inc.	Award(A) Stock Option (Right to Buy)	33,150	-	-	Direct
Jun 11, 2025	SAGE Sage Therapeutics, Inc.	Award(A) Stock Option (Right to Buy)	21,500	-	-	Direct
Jun 11, 2025	MURA Mural Oncology plc	Award(A) Stock Option (right to buy)	8,637	-	-	Direct
Jan 3, 2025	SAGE Sage Therapeutics, Inc.	Award(A) Stock Options (Right to buy)	13,593	-	-	Direct

1-12 of 12 transactions

About Golumbeski George

Golumbeski George (SEC CIK 0001586660) files insider reports with the SEC as Director of Acumen Pharmaceuticals, Inc. (ABOS), Director of Shattuck Labs, Inc. (STTK) and Director of Mural Oncology plc (MURA). Signal8 also holds filings tied to 1 other company.

Signal8 holds 10 ownership filings by Golumbeski George (1 Form 3, 9 Form 4), filed between Jan 6, 2025 and Jun 5, 2026. Those filings report 12 transactions, from Jan 3, 2025 to Jun 3, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Golumbeski George's filings is in AUSTIN, TX.

Recent filings by Golumbeski George

Jun 3, 2026: Grant or award of ABOS shares (Form 4, code A).
May 29, 2026: Grant or award of STTK derivative securities (Form 4, code A).
Dec 5, 2025: Disposition to issuer transactions of MURA derivative securities (2 lines, Form 4, code D).
Nov 6, 2025: Grant or award of ABOS derivative securities (Form 4, code A).
Jul 31, 2025: Disposition to issuer transactions of SAGE derivative securities (2 lines, Form 4, code D).

Other insiders filing for Acumen Pharmaceuticals, Inc. (ABOS)

How to read Form 4 transaction codes