Thomas L Grimm
CIK 1856214 · View on SEC EDGAR ↗
Insider
First SEC filing: April 14, 2021 · Latest: June 16, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 3 non-open-market transactions below
last 12 months, based on the transactions shown below
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 2026-08-20) |
| June 15, 2026 | MBBC | A | 3,386 | — | — | 6,384 Direct | +112.94% | Acquired | (price as of 2026-08-20) |
| June 3, 2026 | MBBC | M | 300 | $6.48 | $1,944 | 22,294 | — | — | 129.2% (price as of 2026-08-20) |
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 |
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 |