Quantum-Si's three largest insider shareholders as of June 18, 2026 are Jonathan M Rothberg (Director, 3.75Mn shares), Jeffrey Alan Hawkins (President Ceo, 3.69Mn shares), Jonathan M Rothberg (Interim Ceo, 2.57Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Jonathan M Rothberg | - | 0 | 3,750,000 | 31 Dec, 2024 |
| Kevin Rakin | - | 0 | 1,200,000 | 22 Dec, 2022 |
| Michael P Mckenna | Evp, Product Development Ops | 869,021 | 0 | 15 Jun, 2022 |
| Jeffrey Alan Hawkins | President Ceo | 3,692,423 | 0 | 22 Apr, 2026 |
| Scott Mendel | - | 141,843 | 0 | 16 May, 2023 |
| Charles R. Kummeth | - | 855,000 | 0 | 09 Mar, 2026 |
| Jeffry R. Keyes | Chief Financial Officer | 1,732,582 | 0 | 22 Apr, 2026 |
| Todd C. Bennett | Chief Commercial Officer | 681,521 | 0 | 24 Sep, 2025 |
| John P. Kenny | - | 114,285 | 0 | 24 May, 2023 |
| Vikram Bajaj | - | 66,666 | 0 | 21 Jun, 2022 |
| Christian Lapointe | Gc Corp. Secretary | 1,198,017 | 0 | 24 Mar, 2026 |
| Matthew Dyer | Chief Business Officer | 333,393 | 0 | 15 Jun, 2022 |
| John Viii Stark | Chief Executive Officer | 1,977,368 | 0 | 12 Jan, 2022 |
| Grace Johnston | Chief Commercial Officer | 295,940 | 0 | 25 Jun, 2024 |
| Amir Jafri | - | 115,942 | 0 | 26 Sep, 2023 |
| Paula Dowdy | - | 269,107 | 0 | 09 Mar, 2026 |
| John S. Vieceli | Chief Product Officer | 1,170,657 | 0 | 24 Mar, 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 |
|---|---|---|---|---|---|---|---|---|
| 20 Apr, 2026 | Jeffrey Alan Hawkins | Class A Common Stock | D | 83,712 | $1.01 | 3,776,135 | D | S |
| 20 Apr, 2026 | Jeffry R. Keyes | Class A Common Stock | D | 37,382 | $1.01 | 1,769,963 | D | S |
| 21 Apr, 2026 | Jeffrey Alan Hawkins | Class A Common Stock | D | 83,712 | $1.00 | 3,692,423 | D | S |
| 21 Apr, 2026 | Jeffry R. Keyes | Class A Common Stock | D | 37,381 | $1.00 | 1,732,582 | D | S |
| 20 Mar, 2026 | John S. Vieceli | Class A Common Stock | D | 10,758 | $0.85 | 1,181,896 | D | S |
| 20 Mar, 2026 | John S. Vieceli | Class A Common Stock | D | 10,758 | $0.85 | 1,181,896 | D | S |
| 20 Mar, 2026 | Jeffry R. Keyes | Class A Common Stock | D | 4,233 | $0.85 | 1,811,767 | D | S |
| 20 Mar, 2026 | Christian Lapointe | Class A Common Stock | D | 5,849 | $0.85 | 1,204,127 | D | S |
| 20 Mar, 2026 | Jeffrey Alan Hawkins | Class A Common Stock | D | 11,628 | $0.85 | 3,871,996 | D | S |
| 20 Mar, 2026 | John S. Vieceli | Class A Common Stock | D | 10,758 | $0.85 | 1,181,896 | D | S |
| 23 Mar, 2026 | John S. Vieceli | Class A Common Stock | D | 11,239 | $0.83 | 1,170,657 | D | S |
| 23 Mar, 2026 | Jeffrey Alan Hawkins | Class A Common Stock | D | 12,149 | $0.83 | 3,859,847 | D | S |
| 23 Mar, 2026 | Jeffry R. Keyes | Class A Common Stock | D | 4,422 | $0.83 | 1,807,345 | D | S |
| 23 Mar, 2026 | John S. Vieceli | Class A Common Stock | D | 11,239 | $0.83 | 1,170,657 | D | S |
| 23 Mar, 2026 | John S. Vieceli | Class A Common Stock | D | 11,239 | $0.83 | 1,170,657 | D | S |
| 23 Mar, 2026 | Christian Lapointe | Class A Common Stock | D | 6,110 | $0.83 | 1,198,017 | D | S |
| 12 Mar, 2026 | John S. Vieceli | Class A Common Stock | A | 391,681 | $0.00 | 1,192,654 | D | A |
| 12 Mar, 2026 | Christian Lapointe | Class A Common Stock | A | 261,121 | $0.00 | 1,209,976 | D | A |
| 12 Mar, 2026 | John S. Vieceli | Class A Common Stock | A | 391,681 | $0.00 | 1,192,654 | D | A |
| 12 Mar, 2026 | Jeffry R. Keyes | Class A Common Stock | A | 652,803 | $0.00 | 1,816,000 | D | A |