MCRB's three largest insider shareholders as of April 17, 2026 are Health Ltp Fund General Partner Llc Nutritional (TenPercentOwner, 11.70Mn shares), Health Ltp Fund General Partner Llc Nutritional (TenPercentOwner, 11.70Mn shares), Health Ltp Fund General Partner Llc Nutritional (TenPercentOwner, 11.70Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Health Ltp Fund General Partner Llc Nutritional | - | 0 | 11,701,206 | 07 Jul, 2022 |
| Health Ltp Fund General Partner Llc Nutritional | - | 0 | 11,701,206 | 07 Jul, 2022 |
| Health Ltp Fund General Partner Llc Nutritional | - | 0 | 11,701,206 | 07 Jul, 2022 |
| David Arkowitz | Chief Financial Officer | 182,442 | 0 | 16 Feb, 2024 |
| David Arkowitz | Chief Financial Officer | 166,613 | 0 | 01 May, 2023 |
| Thomas Desrosier | Chief Legal Officer And Evp | 104,546 | 0 | 06 Jul, 2022 |
| Eric D. Shaff | Ceo And President | 96,334 | 0 | 06 Jul, 2022 |
| David S. Ege | - | 77,575 | 0 | 19 Aug, 2024 |
| David Arkowitz | Chief Financial Officer | 65,492 | 0 | 06 Jul, 2022 |
| Richard N Kender | - | 63,492 | 0 | 06 Jul, 2022 |
| David S. Ege | - | 59,696 | 0 | 01 May, 2023 |
| Paul Biondi | - | 47,619 | 0 | 06 Jul, 2022 |
| Matthew R. Henn | - | 47,619 | 0 | 06 Jul, 2022 |
| Paula Cloghessy | - | 45,684 | 0 | 31 Oct, 2023 |
| Moltke Lisa Von | - | 39,875 | 0 | 19 Feb, 2025 |
| Paula Cloghessy | - | 31,746 | 0 | 06 Jul, 2022 |
| Meryl Zausner | - | 31,746 | 0 | 06 Jul, 2022 |
| Willard H Dere | - | 31,746 | 0 | 06 Jul, 2022 |
| David S. Ege | - | 31,746 | 0 | 06 Jul, 2022 |
| Eric D. Shaff | Ceo And President | 11,577 | 0 | 18 Feb, 2026 |
| Teresa L. Young | - | 8,557 | 0 | 18 Feb, 2026 |
| Thomas Desrosier | Chief Legal Officer And Evp | 7,789 | 0 | 18 Feb, 2026 |
| Matthew R Henn | - | 7,677 | 0 | 18 Feb, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 04 Mar, 2026 | Kelly Brady | Stock Option (right to buy) | A | 56,250 | $0.00 | 56,250 | D | A |
| 04 Mar, 2026 | Matthew R Henn | Stock Option (right to buy) | A | 75,000 | $0.00 | 75,000 | D | A |
| 04 Mar, 2026 | Richard N Kender | Stock Option (right to buy) | A | 150,000 | $0.00 | 150,000 | D | A |
| 04 Mar, 2026 | Thomas Desrosier | Stock Option (right to buy) | A | 22,500 | $0.00 | 22,500 | D | A |
| 15 Feb, 2026 | Teresa L. Young | Common Stock | A | 231 | - | 8,632 | D | M |
| 15 Feb, 2026 | Thomas Desrosier | Common Stock | A | 244 | - | 7,867 | D | M |
| 15 Feb, 2026 | Matthew R Henn | Common Stock | A | 239 | - | 7,766 | D | M |
| 15 Feb, 2026 | Eric D. Shaff | Common Stock | A | 723 | - | 11,836 | D | M |
| 15 Feb, 2026 | Teresa L. Young | Common Stock | D | 75 | $8.47 | 8,557 | D | S |
| 15 Feb, 2026 | Matthew R Henn | Common Stock | D | 89 | $8.47 | 7,677 | D | S |
| 15 Feb, 2026 | Eric D. Shaff | Common Stock | D | 259 | $8.47 | 11,577 | D | S |
| 15 Feb, 2026 | Thomas Desrosier | Common Stock | D | 78 | $8.47 | 7,789 | D | S |
| 15 Feb, 2026 | Eric D. Shaff | Restricted Stock Units | D | 391 | $0.00 | 1,564 | D | M |
| 15 Feb, 2026 | Thomas Desrosier | Restricted Stock Units | D | 133 | $0.00 | 531 | D | M |
| 15 Feb, 2026 | Teresa L. Young | Restricted Stock Units | D | 133 | $0.00 | 531 | D | M |
| 15 Feb, 2026 | Matthew R Henn | Restricted Stock Units | D | 141 | $0.00 | 563 | D | M |
| 15 Feb, 2026 | Eric D. Shaff | Restricted Stock Units | D | 333 | $0.00 | 2,656 | D | M |
| 15 Feb, 2026 | Thomas Desrosier | Restricted Stock Units | D | 111 | $0.00 | 890 | D | M |
| 15 Feb, 2026 | Teresa L. Young | Restricted Stock Units | D | 98 | $0.00 | 780 | D | M |
| 15 Feb, 2026 | Matthew R Henn | Restricted Stock Units | D | 98 | $0.00 | 780 | D | M |