Based on data from the past 90 days ending February 19, 2026, Quantum-Si's three largest insider shareholders are Interim Ceo Jonathan M Rothberg (4.47Mn shares), President & Ceo Jeffrey Alan Hawkins (2.58Mn shares), Chief Executive Officer John Viii Stark (1.98Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Jonathan M Rothberg | Interim Ceo | 4,473,309 | 16 Jun, 2022 |
| Jeffrey Alan Hawkins | President & Ceo | 2,578,018 | 22 Dec, 2025 |
| John Viii Stark | Chief Executive Officer | 1,977,368 | 12 Jan, 2022 |
| James B. Tananbaum | 1,618,637 | 14 Jun, 2021 | |
| Kevin Rakin | 1,220,512 | 15 Jun, 2021 | |
| Jeffry R. Keyes | Chief Financial Officer | 1,163,197 | 22 Dec, 2025 |
| Christian Lapointe | Gc & Corp. Secretary | 948,855 | 22 Dec, 2025 |
| Michael P Mckenna | Evp And Product Development & Ops | 869,021 | 15 Jun, 2022 |
| John S. Vieceli | Chief Product Officer | 800,973 | 22 Dec, 2025 |
| Todd C. Bennett | Chief Commercial Officer | 681,521 | 24 Sep, 2025 |
| Marijn E Dekkers | 670,512 | 14 Jun, 2021 | |
| Charles R. Kummeth | 355,000 | 13 Aug, 2024 | |
| Matthew Dyer | Chief Business Officer | 333,393 | 15 Jun, 2022 |
| Grace Johnston | Chief Commercial Officer | 295,940 | 25 Jun, 2024 |
| Ruth A Fattori | 170,512 | 14 Jun, 2021 | |
| Paula Dowdy | 159,217 | 25 Mar, 2024 | |
| Scott Mendel | 141,843 | 16 May, 2023 | |
| Amir Jafri | 115,942 | 26 Sep, 2023 | |
| John P. Kenny | 114,285 | 24 May, 2023 | |
| Claudia Drayton | Chief Financial Officer | 95,700 | 14 Jun, 2021 |
| Vikram Bajaj | 66,666 | 21 Jun, 2022 | |
| Michael Mina | 20,512 | 14 Jun, 2021 | |
| Brigid Makes | 20,512 | 14 Jun, 2021 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 22 Dec, 2025 | Jeffrey Alan Hawkins | Class A Common Stock | D | 23,707 | $1.28 | 2,578,018 | D | S |
| 22 Dec, 2025 | Jeffry R. Keyes | Class A Common Stock | D | 8,627 | $1.28 | 1,163,197 | D | S |
| 22 Dec, 2025 | Christian Lapointe | Class A Common Stock | D | 11,951 | $1.28 | 948,855 | D | S |
| 22 Dec, 2025 | John S. Vieceli | Class A Common Stock | D | 21,927 | $1.28 | 800,973 | D | S |
| 16 Oct, 2025 | Jonathan M Rothberg | Class A Common Stock | D | 26,095 | $3.07 | 1,904,866 | I | S |
| 23 Sep, 2025 | Jeffrey Alan Hawkins | Class A Common Stock | D | 10,643 | $1.64 | 2,601,725 | D | S |
| 23 Sep, 2025 | Jeffry R. Keyes | Class A Common Stock | D | 3,873 | $1.64 | 1,171,824 | D | S |
| 23 Sep, 2025 | Todd C. Bennett | - | - | 681,521 | D | |||
| 23 Sep, 2025 | Todd C. Bennett | Class A Common Stock | D | 18,482 | $1.64 | 681,521 | D | S |
| 23 Sep, 2025 | Christian Lapointe | Class A Common Stock | D | 5,364 | $1.64 | 960,806 | D | S |
| 23 Sep, 2025 | John S. Vieceli | Class A Common Stock | D | 9,843 | $1.64 | 822,900 | D | S |
| 22 Sep, 2025 | Jeffrey Alan Hawkins | Class A Common Stock | D | 10,643 | $1.68 | 2,612,368 | D | S |
| 22 Sep, 2025 | Jeffry R. Keyes | Class A Common Stock | D | 3,873 | $1.68 | 1,175,697 | D | S |
| 22 Sep, 2025 | Todd C. Bennett | Class A Common Stock | D | 18,482 | $1.68 | 700,003 | D | S |
| 22 Sep, 2025 | Todd C. Bennett | - | - | 700,003 | D | |||
| 22 Sep, 2025 | Christian Lapointe | Class A Common Stock | D | 5,364 | $1.68 | 966,170 | D | S |
| 22 Sep, 2025 | John S. Vieceli | Class A Common Stock | D | 9,843 | $1.68 | 832,743 | D | S |
| 23 Jun, 2025 | Jeffrey Alan Hawkins | Class A Common Stock | D | 23,705 | $1.61 | 2,623,011 | D | S |
| 23 Jun, 2025 | Jeffry R. Keyes | Class A Common Stock | D | 8,624 | $1.61 | 1,179,570 | D | S |
| 23 Jun, 2025 | Christian Lapointe | Class A Common Stock | D | 11,946 | $1.61 | 971,534 | D | S |