Gabriel Brooks

CIK: 0001997809

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)7 (35.0%)

Position reduction

Option Exercises (M)7 (35.0%)

Derivative conversions

Awards (A)6 (30.0%)

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)

SLDB

Solid Biosciences Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (20 total)

SLDB
Solid Biosciences Inc.
Oct 19, 2026
Sale(S)
Direct
4.4K shares at avg. $5.62$25K
SLDB
Solid Biosciences Inc.
Oct 18, 2026
Exercise(M)
Direct
9.8K shares-
SLDB
Solid Biosciences Inc.
Feb 18, 2026
Sale(S)
Direct
0 shares at avg. $5.82-
SLDB
Solid Biosciences Inc.
Feb 13, 2026
Exercise(M)
Direct
10.9K shares-
SLDB
Solid Biosciences Inc.
Feb 4, 2026
Sale(S)
Direct
12.6K shares at avg. $6.44$81K
SLDB
Solid Biosciences Inc.
Feb 2, 2026
Sale(S)
Direct
28.3K shares at avg. $6.44$182K
SLDB
Solid Biosciences Inc.
Jan 31, 2026
Exercise(M)
Direct
28.2K shares-
SLDB
Solid Biosciences Inc.
Jan 29, 2026
Award(A)
Restricted Stock Units
Direct
58.8K shares-
SLDB
Solid Biosciences Inc.
Jan 29, 2026
Award(A)
Restricted Stock Units
Direct
103.8K shares-
SLDB
Solid Biosciences Inc.
Jan 29, 2026
Exercise(M)
Direct
58.8K shares-
SLDB
Solid Biosciences Inc.
Jan 29, 2026
Award(A)
Employee Stock Option (Right to Buy)
Direct
207.5K shares-
SLDB
Solid Biosciences Inc.
Oct 20, 2025
Sale(S)
Direct
2.9K shares at avg. $5.96$17K
SLDB
Solid Biosciences Inc.
Oct 18, 2025
Exercise(M)
Direct
9.8K shares-
SLDB
Solid Biosciences Inc.
Aug 14, 2025
Award(A)
Restricted Stock Units
Direct
71.3K shares-
SLDB
Solid Biosciences Inc.
Aug 14, 2025
Award(A)
Employee Stock Option (Right to Buy)
Direct
142.5K shares-
SLDB
Solid Biosciences Inc.
Feb 14, 2025
Sale(S)
Direct
3.3K shares at avg. $3.96$13K
SLDB
Solid Biosciences Inc.
Feb 13, 2025
Exercise(M)
Direct
10.9K shares-
SLDB
Solid Biosciences Inc.
Jan 31, 2025
Award(A)
Restricted Stock Units
Direct
112.9K shares-
SLDB
Solid Biosciences Inc.
Oct 21, 2024
Sale(S)
Direct
2.9K shares at avg. $6.50$19K
SLDB
Solid Biosciences Inc.
Oct 18, 2024
Exercise(M)
Direct
9.8K shares-

		Type	Shares	Price		Ownership
Oct 19, 2026	SLDB Solid Biosciences Inc.	Sale(S)	4,374	$5.62	$24,582	Direct
Oct 18, 2026	SLDB Solid Biosciences Inc.	Exercise(M)	9,750	-	$0	Direct
Feb 18, 2026	SLDB Solid Biosciences Inc.	Sale(S)	0	$5.82	$0	Direct
Feb 13, 2026	SLDB Solid Biosciences Inc.	Exercise(M)	10,937	-	$0	Direct
Feb 4, 2026	SLDB Solid Biosciences Inc.	Sale(S)	12,616	$6.44	$81,271	Direct
Feb 2, 2026	SLDB Solid Biosciences Inc.	Sale(S)	28,335	$6.44	$182,390	Direct
Jan 31, 2026	SLDB Solid Biosciences Inc.	Exercise(M)	28,225	-	$0	Direct
Jan 29, 2026	SLDB Solid Biosciences Inc.	Award(A) Restricted Stock Units	58,847	-	-	Direct
Jan 29, 2026	SLDB Solid Biosciences Inc.	Award(A) Restricted Stock Units	103,750	-	-	Direct
Jan 29, 2026	SLDB Solid Biosciences Inc.	Exercise(M)	58,847	-	$0	Direct
Jan 29, 2026	SLDB Solid Biosciences Inc.	Award(A) Employee Stock Option (Right to Buy)	207,450	-	-	Direct
Oct 20, 2025	SLDB Solid Biosciences Inc.	Sale(S)	2,895	$5.96	$17,254	Direct
Oct 18, 2025	SLDB Solid Biosciences Inc.	Exercise(M)	9,750	-	-	Direct
Aug 14, 2025	SLDB Solid Biosciences Inc.	Award(A) Restricted Stock Units	71,250	-	-	Direct
Aug 14, 2025	SLDB Solid Biosciences Inc.	Award(A) Employee Stock Option (Right to Buy)	142,500	-	-	Direct
Feb 14, 2025	SLDB Solid Biosciences Inc.	Sale(S)	3,256	$3.96	$12,894	Direct
Feb 13, 2025	SLDB Solid Biosciences Inc.	Exercise(M)	10,937	-	-	Direct
Jan 31, 2025	SLDB Solid Biosciences Inc.	Award(A) Restricted Stock Units	112,900	-	-	Direct
Oct 21, 2024	SLDB Solid Biosciences Inc.	Sale(S)	2,923	$6.50	$19,000	Direct
Oct 18, 2024	SLDB Solid Biosciences Inc.	Exercise(M)	9,750	-	$0	Direct

1-20 of 20 transactions

About Brooks Gabriel

Brooks Gabriel (SEC CIK 0001997809) files insider reports with the SEC as Chief Medical Officer of Solid Biosciences Inc. (SLDB).

Signal8 holds 10 ownership filings by Brooks Gabriel, all Form 4s, filed between Oct 22, 2024 and Oct 20, 2026. Those filings report 20 transactions, from Oct 18, 2024 to Oct 19, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Brooks Gabriel's filings is in CHARLESTOWN, MA.

Recent filings by Brooks Gabriel

Oct 19, 2026: Open-market sale of SLDB shares (Form 4, code S).
Oct 18, 2026: Option exercise of SLDB shares (Form 4, code M).
Feb 18, 2026: Open-market sale of SLDB shares (Form 4, code S).
Feb 13, 2026: Option exercise of SLDB shares (Form 4, code M).
Feb 4, 2026: Open-market sale of SLDB shares (Form 4, code S).

Other insiders filing for Solid Biosciences Inc. (SLDB)

How to read Form 4 transaction codes