Matthew Winton

CIK: 0001971400

Transaction Breakdown

Open Market Buys (P)3 (21.4%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)8 (57.1%)

Compensation grants

Other (G, F, J, C, D, …)3 (21.4%)

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

Companies & Roles (2)

CRVO

CervoMed Inc.

Officer

INZY

Inozyme Pharma, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (14 total)

CRVO
CervoMed Inc.
Oct 22, 2026
Award(A)
Stock Option (Right to Buy)
Direct
19.1K shares-
CRVO
CervoMed Inc.
Feb 11, 2026
Award(A)
Stock Option (Right to Buy)
Direct
30K shares-
CRVO
CervoMed Inc.
Nov 18, 2025
Purchase(P)
Direct
1.5K shares at avg. $7.95$12K
CRVO
CervoMed Inc.
Nov 17, 2025
Purchase(P)
Direct
3.5K shares at avg. $8.43$30K
CRVO
CervoMed Inc.
Nov 14, 2025
Purchase(P)
Direct
10K shares at avg. $7.57$76K
CRVO
CervoMed Inc.
Oct 6, 2025
Award(A)
Stock Option (Right to Buy)
Direct
75K shares-
INZY
Inozyme Pharma, Inc.
Jul 1, 2025
Tender Offer(U)
Direct
21.7K shares at avg. $4.00$87K
INZY
Inozyme Pharma, Inc.
Jul 1, 2025
Disposition(D)
Restricted Stock Units
Direct
41.5K shares-
INZY
Inozyme Pharma, Inc.
Jul 1, 2025
Disposition(D)
Stock Option (Right to Buy)
Direct
145K shares-
INZY
Inozyme Pharma, Inc.
Jun 25, 2025
Award(A)
Direct
14.4K shares at avg. $0.74$11K
INZY
Inozyme Pharma, Inc.
Mar 31, 2025
Award(A)
Direct
2.5K shares at avg. $0.77$2K
INZY
Inozyme Pharma, Inc.
Mar 11, 2025
Award(A)
Stock Option (right to buy)
Direct
145K shares-
INZY
Inozyme Pharma, Inc.
Mar 11, 2025
Award(A)
Restricted Stock Units
Direct
41.5K shares-
INZY
Inozyme Pharma, Inc.
Sep 30, 2024
Award(A)
Direct
1.7K shares at avg. $4.45$8K

		Type	Shares	Price		Ownership
Oct 22, 2026	CRVO CervoMed Inc.	Award(A) Stock Option (Right to Buy)	19,100	-	-	Direct
Feb 11, 2026	CRVO CervoMed Inc.	Award(A) Stock Option (Right to Buy)	30,000	-	-	Direct
Nov 18, 2025	CRVO CervoMed Inc.	Purchase(P)	1,500	$7.95	$11,925	Direct
Nov 17, 2025	CRVO CervoMed Inc.	Purchase(P)	3,500	$8.43	$29,505	Direct
Nov 14, 2025	CRVO CervoMed Inc.	Purchase(P)	10,000	$7.57	$75,700	Direct
Oct 6, 2025	CRVO CervoMed Inc.	Award(A) Stock Option (Right to Buy)	75,000	-	-	Direct
Jul 1, 2025	INZY Inozyme Pharma, Inc.	Tender Offer(U)	21,743	$4.00	$86,972	Direct
Jul 1, 2025	INZY Inozyme Pharma, Inc.	Disposition(D) Restricted Stock Units	41,500	-	-	Direct
Jul 1, 2025	INZY Inozyme Pharma, Inc.	Disposition(D) Stock Option (Right to Buy)	145,000	-	-	Direct
Jun 25, 2025	INZY Inozyme Pharma, Inc.	Award(A)	14,355	$0.74	$10,623	Direct
Mar 31, 2025	INZY Inozyme Pharma, Inc.	Award(A)	2,490	$0.77	$1,917	Direct
Mar 11, 2025	INZY Inozyme Pharma, Inc.	Award(A) Stock Option (right to buy)	145,000	-	-	Direct
Mar 11, 2025	INZY Inozyme Pharma, Inc.	Award(A) Restricted Stock Units	41,500	-	-	Direct
Sep 30, 2024	INZY Inozyme Pharma, Inc.	Award(A)	1,710	$4.45	$7,610	Direct

1-14 of 14 transactions

About Winton Matthew

Winton Matthew (SEC CIK 0001971400) files insider reports with the SEC as Chief Commercial and Business of CervoMed Inc. (CRVO) and COO of Inozyme Pharma, Inc. (INZY).

Signal8 holds 11 ownership filings by Winton Matthew (1 Form 3, 10 Form 4), filed between Oct 3, 2024 and Oct 23, 2026. Those filings report 14 transactions, from Sep 30, 2024 to Oct 22, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Winton Matthew's filings is in BOSTON, MA.

Recent filings by Winton Matthew

Oct 22, 2026: Grant or award of CRVO derivative securities (Form 4, code A).
Feb 11, 2026: Grant or award of CRVO derivative securities (Form 4, code A).
Nov 18, 2025: Open-market purchase of CRVO shares (Form 4, code P).
Nov 17, 2025: Open-market purchase of CRVO shares (Form 4, code P).
Nov 14, 2025: Open-market purchase of CRVO shares (Form 4, code P).

Other insiders filing for CervoMed Inc. (CRVO)

Blackburn Kelly, EVP, Clinical Development
De Rosch Mark, EVP, RA and GA and PgM
BOGER JOSHUA S, Director
ZAVRL FRANK, Director
Sabbagh Marwan, Director
Quigley David, Director

How to read Form 4 transaction codes