Brian J. Comstock

CIK: 0001737944

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)3 (17.6%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (23.5%)

Compensation grants

Other (G, F, J, C, D, …)10 (58.8%)

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

Companies & Roles (1)

GBX

GREENBRIER COMPANIES INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (17 total)

GBX
GREENBRIER COMPANIES INC
Oct 22, 2026
Tax Payment(F)
Direct
2.8K shares at avg. $37.69$105K
GBX
GREENBRIER COMPANIES INC
Oct 21, 2026
Tax Payment(F)
Direct
12K shares at avg. $37.61$450K
GBX
GREENBRIER COMPANIES INC
Oct 21, 2026
Award(A)
Direct
49.5K shares-
GBX
GREENBRIER COMPANIES INC
Oct 18, 2026
Tax Payment(F)
Direct
1.9K shares at avg. $39.11$74K
GBX
GREENBRIER COMPANIES INC
Oct 17, 2026
Tax Payment(F)
Direct
1.7K shares at avg. $39.11$65K
GBX
GREENBRIER COMPANIES INC
Oct 22, 2025
Award(A)
Direct
65.8K shares-
GBX
GREENBRIER COMPANIES INC
Oct 22, 2025
Tax Payment(F)
Direct
22.2K shares at avg. $45.76$1.0M
GBX
GREENBRIER COMPANIES INC
Oct 18, 2025
Tax Payment(F)
Direct
3.8K shares at avg. $45.27$173K
GBX
GREENBRIER COMPANIES INC
Oct 17, 2025
Tax Payment(F)
Direct
1.7K shares at avg. $45.47$76K
GBX
GREENBRIER COMPANIES INC
Jan 14, 2025
Sale(S)
Direct
25K shares at avg. $66.23$1.7M
GBX
GREENBRIER COMPANIES INC
Oct 30, 2024
Sale(S)
Direct
10K shares at avg. $60.59$606K
GBX
GREENBRIER COMPANIES INC
Oct 29, 2024
Sale(S)
Direct
20K shares at avg. $61.46$1.2M
GBX
GREENBRIER COMPANIES INC
Oct 20, 2024
Tax Payment(F)
Direct
1.4K shares at avg. $52.09$75K
GBX
GREENBRIER COMPANIES INC
Oct 18, 2024
Tax Payment(F)
Direct
5.6K shares at avg. $52.64$294K
GBX
GREENBRIER COMPANIES INC
Oct 17, 2024
Award(A)
Direct
15.4K shares-
GBX
GREENBRIER COMPANIES INC
Oct 16, 2024
Award(A)
Direct
18.7K shares-
GBX
GREENBRIER COMPANIES INC
Oct 16, 2024
Tax Payment(F)
Direct
6.1K shares at avg. $51.77$314K

		Type	Shares	Price		Ownership
Oct 22, 2026	GBX GREENBRIER COMPANIES INC	Tax Payment(F)	2,798	$37.69	$105,457	Direct
Oct 21, 2026	GBX GREENBRIER COMPANIES INC	Tax Payment(F)	11,960	$37.61	$449,816	Direct
Oct 21, 2026	GBX GREENBRIER COMPANIES INC	Award(A)	49,475	-	$0	Direct
Oct 18, 2026	GBX GREENBRIER COMPANIES INC	Tax Payment(F)	1,891	$39.11	$73,957	Direct
Oct 17, 2026	GBX GREENBRIER COMPANIES INC	Tax Payment(F)	1,666	$39.11	$65,157	Direct
Oct 22, 2025	GBX GREENBRIER COMPANIES INC	Award(A)	65,786	-	-	Direct
Oct 22, 2025	GBX GREENBRIER COMPANIES INC	Tax Payment(F)	22,196	$45.76	$1,015,689	Direct
Oct 18, 2025	GBX GREENBRIER COMPANIES INC	Tax Payment(F)	3,824	$45.27	$173,112	Direct
Oct 17, 2025	GBX GREENBRIER COMPANIES INC	Tax Payment(F)	1,666	$45.47	$75,753	Direct
Jan 14, 2025	GBX GREENBRIER COMPANIES INC	Sale(S)	25,000	$66.23	$1,655,695	Direct
Oct 30, 2024	GBX GREENBRIER COMPANIES INC	Sale(S)	10,000	$60.59	$605,910	Direct
Oct 29, 2024	GBX GREENBRIER COMPANIES INC	Sale(S)	20,000	$61.46	$1,229,288	Direct
Oct 20, 2024	GBX GREENBRIER COMPANIES INC	Tax Payment(F)	1,444	$52.09	$75,218	Direct
Oct 18, 2024	GBX GREENBRIER COMPANIES INC	Tax Payment(F)	5,591	$52.64	$294,310	Direct
Oct 17, 2024	GBX GREENBRIER COMPANIES INC	Award(A)	15,394	-	$0	Direct
Oct 16, 2024	GBX GREENBRIER COMPANIES INC	Award(A)	18,691	-	$0	Direct
Oct 16, 2024	GBX GREENBRIER COMPANIES INC	Tax Payment(F)	6,066	$51.77	$314,037	Direct

1-17 of 17 transactions

About Comstock Brian J

Comstock Brian J (SEC CIK 0001737944) files insider reports with the SEC as EVP & President, The Americas of GREENBRIER COMPANIES INC (GBX).

Signal8 holds 8 ownership filings by Comstock Brian J, all Form 4s, filed between Oct 18, 2024 and Oct 23, 2026. Those filings report 17 transactions, from Oct 16, 2024 to Oct 22, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Comstock Brian J's filings is in LAKE OSWEGO, OR.

Recent filings by Comstock Brian J

Oct 22, 2026: Tax withholding of GBX shares (Form 4, code F).
Oct 21, 2026: Tax withholding of GBX shares (Form 4, code F).
Oct 21, 2026: Grant or award of GBX shares (Form 4, code A).
Oct 18, 2026: Tax withholding of GBX shares (Form 4, code F).
Oct 17, 2026: Tax withholding of GBX shares (Form 4, code F).

Other insiders filing for GREENBRIER COMPANIES INC (GBX)

PEARLMAN EMANUEL R, Director
Donfris Michael J, SVP, CFO
Dornan Laurie R, SVP, Chief HR Officer
Glenn William, SVP & President, Europe
Krueger William J., SVP, COO, The Americas
Lucky Christian, SVP, CLO and CCO

How to read Form 4 transaction codes