Thomas J. Chmelik

CIK: 0001774482

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)6 (85.7%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)1 (14.3%)

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

Companies & Roles (1)

MNSB

MainStreet Bancshares, Inc.

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (7 total)

MNSB
MainStreet Bancshares, Inc.
Feb 20, 2026
Tax Payment(F)
Direct
2.8K shares at avg. $20.36$57K
MNSB
MainStreet Bancshares, Inc.
Dec 9, 2025
Sale(S)
Direct
1.8K shares at avg. $20.21$36K
MNSB
MainStreet Bancshares, Inc.
Dec 9, 2025
Sale(S)
Direct
5.5K shares at avg. $20.05$109K
MNSB
MainStreet Bancshares, Inc.
Dec 8, 2025
Sale(S)
Direct
11.3K shares at avg. $19.75$224K
MNSB
MainStreet Bancshares, Inc.
Dec 8, 2025
Sale(S)
Direct
12.2K shares at avg. $20.10$246K
MNSB
MainStreet Bancshares, Inc.
Dec 3, 2025
Sale(S)
Indirect
1.1K shares at avg. $19.50$20K
MNSB
MainStreet Bancshares, Inc.
Dec 3, 2025
Sale(S)
Direct
8.7K shares at avg. $19.86$173K

		Type	Shares	Price		Ownership
Feb 20, 2026	MNSB MainStreet Bancshares, Inc.	Tax Payment(F)	2,799	$20.36	$56,988	Direct
Dec 9, 2025	MNSB MainStreet Bancshares, Inc.	Sale(S)	1,786	$20.21	$36,095	Direct
Dec 9, 2025	MNSB MainStreet Bancshares, Inc.	Sale(S)	5,452	$20.05	$109,313	Direct
Dec 8, 2025	MNSB MainStreet Bancshares, Inc.	Sale(S)	11,343	$19.75	$224,024	Direct
Dec 8, 2025	MNSB MainStreet Bancshares, Inc.	Sale(S)	12,234	$20.10	$245,903	Direct
Dec 3, 2025	MNSB MainStreet Bancshares, Inc.	Sale(S)	1,050	$19.50	$20,475	Indirect
Dec 3, 2025	MNSB MainStreet Bancshares, Inc.	Sale(S)	8,721	$19.86	$173,199	Direct

1-7 of 7 transactions

About CHMELIK THOMAS J

CHMELIK THOMAS J (SEC CIK 0001774482) files insider reports with the SEC as Senior EVP of MainStreet Bancshares, Inc. (MNSB).

Signal8 holds 4 ownership filings by CHMELIK THOMAS J, all Form 4s, filed between Dec 4, 2025 and Feb 20, 2026. Those filings report 7 transactions, from Dec 3, 2025 to Feb 20, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on CHMELIK THOMAS J's filings is in FAIRFAX, VA.

Recent filings by CHMELIK THOMAS J

Feb 20, 2026: Tax withholding of MNSB shares (Form 4, code F).
Dec 9, 2025: Open-market sales of MNSB shares (2 lines, Form 4, code S).
Dec 8, 2025: Open-market sales of MNSB shares (2 lines, Form 4, code S).
Dec 3, 2025: Open-market sales of MNSB shares (2 lines, Form 4, code S).

Other insiders filing for MainStreet Bancshares, Inc. (MNSB)

Hall Wendy Adeler, Director
Higgins Joan Morgan, Officer
GREEN DARRELL, Director
DeLeon Rafael E, Director
Vari Richard Alexander, Chief Financial Officer
RUST PATSY I, Director

How to read Form 4 transaction codes