Mark C Gregory
CIK 1529624 · View on SEC EDGAR ↗
First SEC filing: Feb. 10, 2012 · Latest: Feb. 10, 2012
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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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 15, 2012 | MCHB | A | 3,390 | — | — | 3,390 Direct | — | Acquired | (price as of 2026-08-19) |
| Feb. 15, 2012 | MCHB | A | 3,390 | — | — | 6,190 Direct | +121.07% | Acquired | (price as of 2026-08-19) |
| Feb. 15, 2012 | MCHB | A | 1,130 | — | — | 1,130 Direct | — | Acquired | (price as of 2026-08-19) |
| Feb. 10, 2012 | MCHB | A | 3,390 | — | — | 3,390 Direct | — | Acquired | (price as of 2026-08-19) |
| Feb. 10, 2012 | MCHB | A | 1,130 | — | — | 1,130 Direct | — | Acquired | (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| Feb. 15, 2012 | MCHB | Employee Stock Option (Right to Buy) | Common Stock (3,390) | $44.00 | Feb. 15, 2022 | 3,390 | Acquired |
| Feb. 15, 2012 | MCHB | Employee Stock Option (Right To Buy) | Common Stock (3,390) | $44.00 | Feb. 15, 2022 | 3,390 | Acquired |
| Feb. 10, 2012 | MCHB | Employee Stock Option (Right to Buy) | Common Stock (3,390) | $44.00 | Feb. 10, 2022 | 3,390 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.