Matthew Fraser Ahearn

CIK: 0002070582

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)6 (40.0%)

Position reduction

Option Exercises (M)5 (33.3%)

Derivative conversions

Awards (A)2 (13.3%)

Compensation grants

Other (G, F, J, C, D, …)2 (13.3%)

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

Companies & Roles (1)

SHOULDER INNOVATIONS, INC.

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (15 total)

SI
SHOULDER INNOVATIONS, INC.
Aug 18, 2026
Sale(S)
Direct
1.6K shares at avg. $21.38$34K
SI
SHOULDER INNOVATIONS, INC.
Aug 18, 2026
Sale(S)
Direct
12.6K shares at avg. $20.94$263K
SI
SHOULDER INNOVATIONS, INC.
Aug 17, 2026
Sale(S)
Direct
8.3K shares at avg. $20.10$167K
SI
SHOULDER INNOVATIONS, INC.
Aug 14, 2026
Gift(G)
Direct
2.5K shares-
SI
SHOULDER INNOVATIONS, INC.
Jun 15, 2026
Sale(S)
Direct
2.5K shares at avg. $19.26$48K
SI
SHOULDER INNOVATIONS, INC.
Jun 15, 2026
Sale(S)
Direct
1.6K shares at avg. $18.20$30K
SI
SHOULDER INNOVATIONS, INC.
Jun 12, 2026
Sale(S)
Direct
15.9K shares at avg. $18.68$296K
SI
SHOULDER INNOVATIONS, INC.
Apr 20, 2026
Exercise(M)
Direct
7.4K shares at avg. $2.48$18K
SI
SHOULDER INNOVATIONS, INC.
Apr 20, 2026
Exercise(M)
Direct
14.2K shares at avg. $2.86$41K
SI
SHOULDER INNOVATIONS, INC.
Jan 30, 2026
Award(A)
Stock Option
Direct
88.5K shares-
SI
SHOULDER INNOVATIONS, INC.
Dec 31, 2025
Award(A)
Direct
477 shares at avg. $12.16$6K
SI
SHOULDER INNOVATIONS, INC.
Sep 11, 2025
Exercise(M)
Direct
16.4K shares at avg. $2.48$41K
SI
SHOULDER INNOVATIONS, INC.
Sep 11, 2025
Exercise(M)
Direct
78.6K shares at avg. $2.10$165K
SI
SHOULDER INNOVATIONS, INC.
Sep 11, 2025
Exercise(M)
Direct
12.3K shares at avg. $0.93$11K
SI
SHOULDER INNOVATIONS, INC.
Aug 1, 2025
Conversion(C)
Direct
67.2K shares-

		Type	Shares	Price		Ownership
Aug 18, 2026	SI SHOULDER INNOVATIONS, INC.	Sale(S)	1,600	$21.38	$34,211	Direct
Aug 18, 2026	SI SHOULDER INNOVATIONS, INC.	Sale(S)	12,586	$20.94	$263,493	Direct
Aug 17, 2026	SI SHOULDER INNOVATIONS, INC.	Sale(S)	8,314	$20.10	$167,101	Direct
Aug 14, 2026	SI SHOULDER INNOVATIONS, INC.	Gift(G)	2,500	-	$0	Direct
Jun 15, 2026	SI SHOULDER INNOVATIONS, INC.	Sale(S)	2,500	$19.26	$48,148	Direct
Jun 15, 2026	SI SHOULDER INNOVATIONS, INC.	Sale(S)	1,644	$18.20	$29,922	Direct
Jun 12, 2026	SI SHOULDER INNOVATIONS, INC.	Sale(S)	15,856	$18.68	$296,185	Direct
Apr 20, 2026	SI SHOULDER INNOVATIONS, INC.	Exercise(M)	7,421	$2.48	$18,407	Direct
Apr 20, 2026	SI SHOULDER INNOVATIONS, INC.	Exercise(M)	14,243	$2.86	$40,763	Direct
Jan 30, 2026	SI SHOULDER INNOVATIONS, INC.	Award(A) Stock Option	88,450	-	-	Direct
Dec 31, 2025	SI SHOULDER INNOVATIONS, INC.	Award(A)	477	$12.16	$5,800	Direct
Sep 11, 2025	SI SHOULDER INNOVATIONS, INC.	Exercise(M)	16,443	$2.48	$40,785	Direct
Sep 11, 2025	SI SHOULDER INNOVATIONS, INC.	Exercise(M)	78,616	$2.10	$164,999	Direct
Sep 11, 2025	SI SHOULDER INNOVATIONS, INC.	Exercise(M)	12,286	$0.93	$11,486	Direct
Aug 1, 2025	SI SHOULDER INNOVATIONS, INC.	Conversion(C)	67,242	-	-	Direct

1-15 of 15 transactions

About Ahearn Matthew Fraser

Ahearn Matthew Fraser (SEC CIK 0002070582) files insider reports with the SEC as Chief Operating Officer of SHOULDER INNOVATIONS, INC. (SI).

Signal8 holds 8 ownership filings by Ahearn Matthew Fraser (1 Form 3, 7 Form 4), filed between Jul 30, 2025 and Aug 18, 2026. Those filings report 15 transactions, from Aug 1, 2025 to Aug 18, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Ahearn Matthew Fraser's filings is in GRAND RAPIDS, MI.

Recent filings by Ahearn Matthew Fraser

Aug 18, 2026: Open-market sales of SI shares (2 lines, Form 4, code S).
Aug 17, 2026: Open-market sale of SI shares (Form 4, code S).
Aug 14, 2026: Gift of SI shares (Form 4, code G).
Jun 15, 2026: Open-market sales of SI shares (2 lines, Form 4, code S).
Jun 12, 2026: Open-market sale of SI shares (Form 4, code S).

Other insiders filing for SHOULDER INNOVATIONS, INC. (SI)

Ball Robert Joseph, CEO & Executive Chairman
Tansey Casey M, Director
Sidow Kevin K., Director
Hykes Andrew, Director
BUCKMAN PAUL, Director
Gilde Healthcare Holding B.V., 10% Owner

How to read Form 4 transaction codes