As of July 26, 2026, the three largest insider holders of ACOG are Management Inc. Opaleye (TenPercentOwner, 2.56Mn shares), John Prentiss Havens (Director, 273.27K shares), Leonard Powell Mertz (Director, 145.74K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Management Inc. Opaleye | - | 0 | 2,561,850 | 31 Mar, 2026 |
| Robert James Wills | - | 22,241 | 0 | 16 Jan, 2026 |
| Bethany Sensenig | - | 5,489 | 0 | 17 Apr, 2026 |
| Leonard Powell Mertz | - | 145,736 | 0 | 16 Jan, 2026 |
| John Prentiss Havens | - | 273,272 | 0 | 15 Nov, 2024 |
| Rajeev Kumar Bakshi | - | 12,283 | 0 | 16 Jan, 2026 |
| Phillip Joseph Mertz | - | 29,703 | 0 | 16 Jan, 2026 |
| Kenneth Anthony Cawkell | - | 107,740 | 0 | 16 Jan, 2026 |
| Lauren D'Angelo | Chief Operating Officer | 137,195 | 0 | 13 Jan, 2026 |
| Henry Huy Du | Vp Finance And Accounting | 20,579 | 0 | 13 Jan, 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 |
|---|---|---|---|---|---|---|---|---|
| 16 Apr, 2026 | Bethany Sensenig | Common Shares | A | 5,489 | $0.00 | 5,489 | D | A |
| 16 Apr, 2026 | Bethany Sensenig | Common Share Options | A | 6,991 | $0.00 | 6,991 | D | A |
| 27 Mar, 2026 | Management Inc. Opaleye | Common Stock, no par value | A | 10,000 | $5.08 | 2,470,000 | I | P |
| 30 Mar, 2026 | Management Inc. Opaleye | Common Stock, no par value | A | 1,850 | $4.99 | 2,471,850 | I | P |
| 24 Mar, 2026 | Management Inc. Opaleye | Common Stock, no par value | A | 4,182 | $5.59 | 2,444,100 | I | P |
| 25 Mar, 2026 | Management Inc. Opaleye | Common Stock, no par value | A | 8,581 | $5.43 | 2,452,681 | I | P |
| 26 Mar, 2026 | Management Inc. Opaleye | Common Stock, no par value | A | 7,319 | $5.28 | 2,460,000 | I | P |
| 18 Mar, 2026 | Management Inc. Opaleye | Common Stock, no par value | A | 2,481 | $5.75 | 2,437,824 | I | P |
| 19 Mar, 2026 | Management Inc. Opaleye | Common Stock, no par value | A | 2,094 | $5.71 | 2,439,918 | I | P |
| 16 Mar, 2026 | Management Inc. Opaleye | Common Stock, no par value | A | 1,331 | $5.78 | 2,435,343 | I | P |
| 12 Mar, 2026 | Management Inc. Opaleye | Common Stock, no par value | A | 5,708 | $5.85 | 2,426,654 | I | P |
| 13 Mar, 2026 | Management Inc. Opaleye | Common Stock, no par value | A | 7,358 | $5.75 | 2,434,012 | I | P |
| 06 Mar, 2026 | Management Inc. Opaleye | Common Stock, no par value | A | 1,900 | $5.80 | 2,418,767 | I | P |
| 09 Mar, 2026 | Management Inc. Opaleye | Common Stock, no par value | A | 2,179 | $5.85 | 2,420,946 | I | P |
| 04 Mar, 2026 | Management Inc. Opaleye | Common Stock, no par value | A | 19,795 | $5.81 | 2,374,844 | I | P |
| 05 Mar, 2026 | Management Inc. Opaleye | Common Stock, no par value | A | 42,023 | $5.80 | 2,416,867 | I | P |
| 05 Mar, 2026 | Management Inc. Opaleye | Common Stock, no par value | A | 5,000 | $5.80 | 90,000 | I | P |
| 02 Mar, 2026 | Management Inc. Opaleye | Common Stock, no par value | A | 20,000 | $5.80 | 2,308,638 | I | P |
| 03 Mar, 2026 | Management Inc. Opaleye | Common Stock, no par value | A | 46,411 | $5.75 | 2,355,049 | I | P |
| 03 Mar, 2026 | Management Inc. Opaleye | Common Stock, no par value | A | 5,000 | $5.75 | 85,000 | I | P |