| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Senior EVP | CFO, Mainstreet Bancshares Inc | Chief Financial Officer
2 companies
Thomas J Chmelik is CFO, Mainstreet Bancshares Inc at MNSB, with reported holdings spanning 2 companies. Thomas J Chmelik's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $2.8M at current prices.
Our model assigns Thomas J Chmelik a below-average insider score of 48/100, based on 6 past trades. Over a 12-month horizon, 33.3% of those trades were profitable, with an average 12-month return of -3.5%.
Thomas J Chmelik's largest disclosed position is in MNSB as CFO, Mainstreet Bancshares Inc, worth about $1.4M. The MNSB filings lean toward selling, a net 35,411 shares.
Thomas J Chmelik has 13 Form 4 filings on record from February 2020 to February 2026, across 2 companies: Senior EVP at MainStreet Bancshares (MNSBP), 2026; CFO, Mainstreet Bancshares Inc at MainStreet Bancshares (MNSB), 2020–2025.
The 17 reported transactions were 6 open-market sales, 5 stock awards, 5 open-market purchases and 1 tax withholding.
Counted by filing, the open-market trades come to 4 purchases worth about $92K and 3 sales worth about $809K.
The largest open-market purchase was 4,040 shares of MNSB at an average $16.48 on March 16, 2020, about $67K.
The largest open-market sale was 23,577 shares of MNSB at an average $19.93 on December 8, 2025, about $470K.
None of the 3 sales since April 2023 was marked as made under a Rule 10b5-1 trading plan.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 9, 2025 | MNSB Mainstreet Bancshares, Inc. | CFO, Mainstreet Bancshares Inc | Sell | 7,238 | $20.09 | $145,407.66 | -10.2% | +9.4% | - | |
| Dec 8, 2025 | MNSB Mainstreet Bancshares, Inc. | CFO, Mainstreet Bancshares Inc | Sell | 23,577 | $19.93 | $469,927.65 | -24.9% | +9.5% | - | |
| Dec 3, 2025 | MNSB Mainstreet Bancshares, Inc. | CFO, Mainstreet Bancshares Inc | Sell | 9,771 | $19.82 | $193,674.06 | -100% | +9.9% | - | |
| May 23, 2023 | MNSB Mainstreet Bancshares, Inc. | Chief Financial Officer | Buy | 394 | $21.01 | $8,276.63 | +0.8% | +4.6% | -18.0% | |
| May 12, 2023 | MNSB Mainstreet Bancshares, Inc. | Chief Financial Officer | Buy | 241 | $20.63 | $4,971.83 | +0.5% | +19.7% | -16.4% | |
| Mar 7, 2022 | MNSB Mainstreet Bancshares, Inc. | Chief Financial Officer | Buy | 500 | $24.15 | $12,075.00 | +0.6% | +5.2% | +24.0% | |
| Mar 16, 2020 | MNSB Mainstreet Bancshares, Inc. | Chief Financial Officer | Buy | 4,040 | $16.48 | $66,579.20 | +9.7% | - | - |