Thomas Desrosier
CIK 1435744 · View on SEC EDGAR ↗
First SEC filing: Feb. 8, 2021 · Latest: Feb. 8, 2021
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Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 17, 2026 | MCRB | S 10b5-1 | 82 | $4.55 | $373 | 8,117 Direct | -1.00% | Disposed | -0.2% (price as of 2026-08-20) |
| May 18, 2026 | MCRB | S 10b5-1 | 79 | $7.53 | $595 | 7,954 Direct | -0.98% | Disposed | -39.7% (price as of 2026-08-20) |
| Feb. 15, 2026 | MCRB | S 10b5-1 | 78 | $8.47 | $661 | 7,789 Direct | -0.99% | Disposed | -46.4% (price as of 2026-08-20) |
| Nov. 15, 2025 | MCRB | S 10b5-1 | 76 | $17.30 | $1,315 | 7,623 Direct | -0.99% | Disposed | -73.8% (price as of 2026-08-20) |
| Aug. 18, 2025 | MCRB | S 10b5-1 | 76 | $16.65 | $1,265 | 7,455 Direct | -1.01% | Disposed | -72.7% (price as of 2026-08-20) |
| May 15, 2025 | MCRB | S 10b5-1 | 79 | $7.28 | $575 | 7,287 Direct | -1.07% | Disposed | -37.6% (price as of 2026-08-20) |
| Feb. 18, 2025 | MCRB | S 10b5-1 | 4,300 | $0.81 | $3,483 | 142,456 Direct | -2.93% | Disposed | -72.0% (price as of 2026-08-20) |
| Nov. 18, 2024 | MCRB | S 10b5-1 | 878 | $0.54 | $474 | 135,192 Direct | -0.65% | Disposed | -58.0% (price as of 2026-08-20) |
| Oct. 28, 2024 | MCRB | S 10b5-1 | 4,259 | $0.69 | $2,939 | 133,414 Direct | -3.09% | Disposed | -67.1% (price as of 2026-08-20) |
| Aug. 16, 2024 | MCRB | S 10b5-1 | 873 | $0.84 | $733 | 124,173 Direct | -0.70% | Disposed | -73.0% (price as of 2026-08-20) |
| May 15, 2024 | MCRB | S 10b5-1 | 843 | $0.94 | $792 | 122,390 Direct | -0.68% | Disposed | -75.9% (price as of 2026-08-20) |
| Feb. 16, 2024 | MCRB | S 10b5-1 | 3,939 | $1.08 | $4,254 | 120,577 Direct | -3.16% | Disposed | -79.0% (price as of 2026-08-20) |
| Oct. 30, 2023 | MCRB | S 10b5-1 | 4,156 | $1.35 | $5,611 | 113,891 Direct | -3.52% | Disposed | -83.2% (price as of 2026-08-20) |
| Jan. 28, 2019 | MCRB | S | 5,471 | $5.75 | $31,458 | 16,054 Direct | -25.42% | Disposed | -96.1% (price as of 2026-08-20) |
| Jan. 26, 2018 | MCRB | S | 3,475 | $11.02 | $38,294 | 6,525 Direct | -34.75% | Disposed | -97.9% (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 |
|---|---|---|---|---|---|---|---|
| Aug. 15, 2026 | MCRB | Restricted Stock Units | Common Stock (133) | — | — | 133 | Disposed |
| Aug. 15, 2026 | MCRB | Restricted Stock Units | Common Stock (112) | — | — | 112 | Disposed |
| July 8, 2026 | MCRB | Stock Option (right to buy) | Common Stock (7,500) | $9.13 | March 3, 2036 | 7,500 | Acquired |
| May 15, 2026 | MCRB | Restricted Stock Units | Common Stock (111) | — | — | 111 | Disposed |
| May 15, 2026 | MCRB | Restricted Stock Units | Common Stock (133) | — | — | 133 | Disposed |
| March 4, 2026 | MCRB | Stock Option (right to buy) | Common Stock (22,500) | $9.13 | March 3, 2036 | 22,500 | Acquired |
| Feb. 15, 2026 | MCRB | Restricted Stock Units | Common Stock (111) | — | — | 111 | Disposed |
| Feb. 15, 2026 | MCRB | Restricted Stock Units | Common Stock (133) | — | — | 133 | Disposed |
| Nov. 15, 2025 | MCRB | Restricted Stock Units | Common Stock (112) | — | — | 112 | Disposed |
| Nov. 15, 2025 | MCRB | Restricted Stock Units | Common Stock (132) | — | — | 132 | Disposed |
| Aug. 15, 2025 | MCRB | Restricted Stock Units | Common Stock (111) | — | — | 111 | Disposed |
| Aug. 15, 2025 | MCRB | Restricted Stock Units | Common Stock (133) | — | — | 133 | Disposed |
| May 15, 2025 | MCRB | Restricted Stock Units | Common Stock (111) | — | — | 111 | Disposed |
| May 15, 2025 | MCRB | Restricted Stock Units | Common Stock (133) | — | — | 133 | Disposed |
| Feb. 15, 2025 | MCRB | Restricted Stock Units | Common Stock (8,907) | — | — | 8,907 | Disposed |
| Feb. 15, 2025 | MCRB | Restricted Stock Units | Common Stock (2,657) | — | — | 2,657 | Disposed |
| Feb. 7, 2025 | MCRB | Stock Option (Right to Buy) | Common Stock (650,000) | $0.78 | Feb. 6, 2035 | 650,000 | Acquired |
| Nov. 15, 2024 | MCRB | Restricted Stock Units | Common Stock (2,656) | — | — | 2,656 | Disposed |
| Oct. 27, 2024 | MCRB | Restricted Stock Units | Common Stock (13,500) | — | — | 13,500 | Disposed |
| Aug. 15, 2024 | MCRB | Restricted Stock Units | Common Stock (2,656) | — | — | 2,656 | Disposed |
| May 15, 2024 | MCRB | Restricted Stock Units | Common Stock (2,656) | — | — | 2,656 | Disposed |
| Feb. 15, 2024 | MCRB | Restricted Stock Units | Common Stock (10,625) | — | — | 10,625 | Disposed |
| Feb. 14, 2024 | MCRB | Restricted Stock Units | Common Stock (35,625) | — | — | 35,625 | Acquired |
| Feb. 14, 2024 | MCRB | Stock Option (Right to Buy) | Common Stock (287,905) | $1.10 | Feb. 13, 2034 | 287,905 | Acquired |
| Feb. 14, 2024 | MCRB | Stock Option (Right to Buy) | Common Stock (213,750) | $1.10 | Feb. 13, 2034 | 213,750 | Acquired |
| Oct. 27, 2023 | MCRB | Restricted Stock Units | Common Stock (13,501) | — | — | 13,501 | Disposed |
| April 27, 2023 | MCRB | Restricted Stock Units | Common Stock (27,001) | — | — | 27,001 | Acquired |
| Feb. 3, 2023 | MCRB | Stock Option (Right to Buy) | Common Stock (85,000) | $5.50 | Feb. 2, 2033 | 85,000 | Acquired |
| Feb. 3, 2023 | MCRB | Restricted Stock Units | Common Stock (42,500) | — | — | 42,500 | Acquired |
| Feb. 4, 2022 | MCRB | Stock Option (Right to Buy) | Common Stock (130,000) | $7.38 | Feb. 3, 2032 | 130,000 | Acquired |
| Feb. 4, 2021 | MCRB | Stock Option (Right to Buy) | Common Stock (100,000) | $26.34 | Feb. 3, 2031 | 100,000 | Acquired |
| Jan. 29, 2020 | MCRB | STOCK OPTION (RIGHT TO BUY) | Common Stock (350,000) | $3.30 | Jan. 28, 2030 | 350,000 | Acquired |
| Jan. 26, 2020 | MCRB | RESTRICTED STOCK UNITS | Common Stock (25,000) | — | — | 25,000 | Disposed |
| Jan. 26, 2019 | MCRB | RESTRICTED STOCK UNITS | Common Stock (15,000) | — | — | 15,000 | Disposed |
| Jan. 25, 2019 | MCRB | STOCK OPTION (RIGHT TO BUY) | Common Stock (84,800) | $6.01 | Jan. 24, 2029 | 84,800 | Acquired |
| Jan. 30, 2018 | MCRB | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (100,000) | $10.42 | Jan. 29, 2028 | 100,000 | Disposed |
| Jan. 30, 2018 | MCRB | STOCK OPTION (RIGHT TO BUY) | COMMON STOCK (80,000) | $10.42 | Jan. 29, 2028 | 80,000 | Disposed |
| Jan. 26, 2018 | MCRB | RESTRICTED STOCK UNITS | COMMON STOCK (10,000) | — | — | 10,000 | Disposed |
| Jan. 26, 2017 | MCRB | Restricted Stock Units | Common Stock (50,000) | — | — | 50,000 | Acquired |
| Jan. 26, 2017 | MCRB | Stock Option (right to buy) | Common Stock (60,000) | $9.89 | Jan. 25, 2027 | 60,000 | Acquired |
| June 1, 2016 | MCRB | Stock Option (right to buy) | Common Stock (100,000) | $30.90 | May 31, 2026 | 100,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $512,900 | $166,667 | — | — | — | — | $10,166 | $1,136,023 |
| 2024 | $498,000 | — | — | — | $199,200 | — | $9,942 | $1,248,507 |
| 2020 | $450,000 | — | — | — | $261,000 | — | $8,550 | $1,437,260 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.