As of May 30, 2026, the three largest insider holders of IPSC are Venture Capital Vi, L.P. Versant (TenPercentOwner, 11.45Mn shares), Brent Pfeiffenberger (President And Ceo, 3.71Mn shares), Chad Cowan (Chief Scientific Officer, 1.18Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Hyam Levitsky | President Of Rd | 24,000 | 0 | 11 Mar, 2024 |
| Daphne Quimi | - | 5,000 | 0 | 16 Sep, 2024 |
| Luis Borges | Chief Scientific Officer | 256,535 | 0 | 05 Apr, 2023 |
| Venture Capital Vi, L.P. Versant | - | 11,452,014 | 0 | 11 Aug, 2022 |
| Douglas Carr | Svp Finance Operations | 507,261 | 0 | 16 Mar, 2026 |
| Gregory Russotti | - | 515,427 | 0 | 16 Mar, 2026 |
| Adrienne Farid | Chief Operations Officer | 250,141 | 0 | 11 Jun, 2025 |
| Morgan Conn | Chief Finanical Officer | 79,648 | 0 | 12 Mar, 2025 |
| Brent Pfeiffenberger | President And Ceo | 3,710,958 | 0 | 13 Mar, 2026 |
| Chad Cowan | Chief Scientific Officer | 1,175,680 | 0 | 03 Apr, 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 |
|---|---|---|---|---|---|---|---|---|
| 01 Apr, 2026 | Chad Cowan | Common Stock | D | 1,365 | $2.19 | 1,175,680 | D | F |
| 01 Apr, 2026 | Chad Cowan | Common Stock | D | 1,365 | $2.19 | 1,175,680 | D | F |
| 01 Apr, 2026 | Chad Cowan | Common Stock | D | 1,365 | $2.19 | 1,175,680 | D | F |
| 12 Mar, 2026 | Gregory Russotti | Common Stock | D | 10,076 | $2.55 | 515,427 | D | S |
| 12 Mar, 2026 | Gregory Russotti | Common Stock | D | 10,076 | $2.55 | 515,427 | D | S |
| 12 Mar, 2026 | Douglas Carr | Common Stock | D | 7,043 | $2.55 | 507,261 | D | S |
| 12 Mar, 2026 | Gregory Russotti | Common Stock | D | 10,076 | $2.55 | 515,427 | D | S |
| 11 Mar, 2026 | Chad Cowan | Common Stock | D | 1,431 | $2.73 | 1,177,045 | D | F |
| 11 Mar, 2026 | Brent Pfeiffenberger | Common Stock | D | 55,397 | $2.73 | 3,710,958 | D | F |
| 11 Mar, 2026 | Chad Cowan | Common Stock | D | 1,431 | $2.73 | 1,177,045 | D | F |
| 11 Mar, 2026 | Brent Pfeiffenberger | Common Stock | D | 55,397 | $2.73 | 3,710,958 | D | F |
| 11 Mar, 2026 | Chad Cowan | Common Stock | D | 1,431 | $2.73 | 1,177,045 | D | F |
| 11 Mar, 2026 | Brent Pfeiffenberger | Common Stock | D | 55,397 | $2.73 | 3,710,958 | D | F |
| 09 Mar, 2026 | Gregory Russotti | Common Stock | D | 479 | $2.54 | 525,503 | D | S |
| 09 Mar, 2026 | Douglas Carr | Common Stock | D | 247 | $2.54 | 514,304 | D | S |
| 09 Mar, 2026 | Gregory Russotti | Common Stock | D | 479 | $2.54 | 525,503 | D | S |
| 09 Mar, 2026 | Gregory Russotti | Common Stock | D | 479 | $2.54 | 525,503 | D | S |
| 06 Mar, 2026 | Brent Pfeiffenberger | Common Stock | D | 463 | $2.56 | 3,766,355 | D | F |
| 06 Mar, 2026 | Brent Pfeiffenberger | Common Stock | D | 463 | $2.56 | 3,766,355 | D | F |
| 06 Mar, 2026 | Brent Pfeiffenberger | Common Stock | D | 463 | $2.56 | 3,766,355 | D | F |