Thomas L Grimm
First SEC filing: April 14, 2021 · Latest: June 16, 2026
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 15, 2026 | MBBC | A | 8,467 | · | · | 8,467 Direct | · | Acquired | (price as of 2026-10-05) |
| June 15, 2026 | MBBC | A | 3,386 | · | · | 6,384 Direct | +112.94% | Acquired | (price as of 2026-10-05) |
| June 3, 2026 | MBBC | M | 300 | $6.48 | $1,944 | 22,294 Indirect | +1.36% | Acquired | 132.7% (price as of 2026-10-05) |
| June 3, 2026 | MBBC | M | 300 | · | · | 600 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| March 20, 2026 | MBBC | M | 3,599 | $8.13 | $29,260 | 21,395 Indirect | +20.22% | Acquired | 85.5% (price as of 2026-10-05) |
| March 20, 2026 | MBBC | M | 599 | $6.48 | $3,882 | 21,994 Indirect | +2.80% | Acquired | 132.7% (price as of 2026-10-05) |
| March 20, 2026 | MBBC | M | None | · | · | 2,400 Direct | · | Disposed | (price as of 2026-10-05) |
| March 20, 2026 | MBBC | M | None | · | · | 900 Direct | · | Disposed | (price as of 2026-10-05) |
| April 21, 2025 | MBBC | A | 7,500 | $10.00 | $75,000 | 17,796 Indirect | +72.84% | Acquired | 106.9% (price as of 2026-10-05) |
| May 16, 2023 | MBBC | A | None | · | · | 1,092 Direct | · | Acquired | (price as of 2026-10-05) |
| June 28, 2022 | MBBC | A | 2,185 | · | · | 2,185 Direct | · | Acquired | (price as of 2026-10-05) |
| June 28, 2022 | MBBC | A | 4,370 | · | · | 4,370 Direct | · | Acquired | (price as of 2026-10-05) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 15, 2026 | MBBC | Stock Options | Common Stock | $14.55 | June 15, 2036 | 8,467 | Acquired |
| June 3, 2026 | MBBC | Stock Options | Common Stock | $6.48 | May 16, 2033 | 300 | Disposed |
| March 20, 2026 | MBBC | Stock Options | Common Stock | $8.13 | June 28, 2032 | · | Disposed |
| March 20, 2026 | MBBC | Stock Options | Common Stock | $6.48 | May 16, 2033 | · | Disposed |
| May 16, 2023 | MBBC | Stock Options | Common Stock | $8.90 | May 16, 2033 | · | Acquired |
| June 28, 2022 | MBBC | Stock Options | Common Stock | $11.16 | June 28, 2032 | 4,370 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 14, 2021 | MBBC | Common Stock | 7,500 | Indirect |