Alfred Sandrock

CIK: 0001577061

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)7 (77.8%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (22.2%)

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)

VYGR

Voyager Therapeutics, Inc.

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (9 total)

VYGR
Voyager Therapeutics, Inc.
Apr 2, 2026
Sale(S)
Direct
11.5K shares at avg. $3.87$45K
VYGR
Voyager Therapeutics, Inc.
Feb 24, 2026
Sale(S)
Direct
14.2K shares at avg. $3.79$54K
VYGR
Voyager Therapeutics, Inc.
Feb 18, 2026
Sale(S)
Direct
11.7K shares at avg. $3.41$40K
VYGR
Voyager Therapeutics, Inc.
Feb 10, 2026
Sale(S)
Direct
12.2K shares at avg. $3.78$46K
VYGR
Voyager Therapeutics, Inc.
Feb 6, 2026
Award(A)
Direct
86.3K shares-
VYGR
Voyager Therapeutics, Inc.
Apr 2, 2025
Sale(S)
Direct
10.9K shares at avg. $3.43$37K
VYGR
Voyager Therapeutics, Inc.
Feb 21, 2025
Award(A)
Direct
145K shares-
VYGR
Voyager Therapeutics, Inc.
Feb 20, 2025
Sale(S)
Direct
11.7K shares at avg. $4.24$50K
VYGR
Voyager Therapeutics, Inc.
Feb 11, 2025
Sale(S)
Direct
16.6K shares at avg. $4.45$74K

		Type	Shares	Price		Ownership
Apr 2, 2026	VYGR Voyager Therapeutics, Inc.	Sale(S)	11,511	$3.87	$44,548	Direct
Feb 24, 2026	VYGR Voyager Therapeutics, Inc.	Sale(S)	14,197	$3.79	$53,807	Direct
Feb 18, 2026	VYGR Voyager Therapeutics, Inc.	Sale(S)	11,732	$3.41	$40,006	Direct
Feb 10, 2026	VYGR Voyager Therapeutics, Inc.	Sale(S)	12,192	$3.78	$46,086	Direct
Feb 6, 2026	VYGR Voyager Therapeutics, Inc.	Award(A)	86,250	-	$0	Direct
Apr 2, 2025	VYGR Voyager Therapeutics, Inc.	Sale(S)	10,885	$3.43	$37,336	Direct
Feb 21, 2025	VYGR Voyager Therapeutics, Inc.	Award(A)	145,000	-	-	Direct
Feb 20, 2025	VYGR Voyager Therapeutics, Inc.	Sale(S)	11,702	$4.24	$49,616	Direct
Feb 11, 2025	VYGR Voyager Therapeutics, Inc.	Sale(S)	16,644	$4.45	$74,066	Direct

1-9 of 9 transactions

About Sandrock Alfred

Sandrock Alfred (SEC CIK 0001577061) files insider reports with the SEC as President and CEO of Voyager Therapeutics, Inc. (VYGR).

Signal8 holds 8 ownership filings by Sandrock Alfred, all Form 4s, filed between Feb 12, 2025 and Apr 3, 2026. Those filings report 9 transactions, from Feb 11, 2025 to Apr 2, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Sandrock Alfred's filings is in LEXINGTON, MA.

Recent filings by Sandrock Alfred

Apr 2, 2026: Open-market sale of VYGR shares (Form 4, code S).
Feb 24, 2026: Open-market sale of VYGR shares (Form 4, code S).
Feb 18, 2026: Open-market sale of VYGR shares (Form 4, code S).
Feb 10, 2026: Open-market sale of VYGR shares (Form 4, code S).
Feb 6, 2026: Grant or award of VYGR shares (Form 4, code A).

Other insiders filing for Voyager Therapeutics, Inc. (VYGR)

SCANGOS GEORGE A, Director
MACKEY CATHERINE J, Director
Hyman Steven, Director
Vitale Nancy, Director
Higgins Michael J, Director
Onyia Jude, Director

How to read Form 4 transaction codes