Quantum-Si Inc (QSI) Insider Ownership

Historic Insider Ownership Trends

As of May 14, 2026, Quantum-Si's top three insider holders are Jonathan M Rothberg (Director, 3.75Mn shares), Jeffrey Alan Hawkins (President Ceo, 3.69Mn shares), Jonathan M Rothberg (Interim Ceo, 2.57Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Jonathan M Rothberg - 0 3,750,000 31 Dec, 2024
Jonathan M Rothberg - 0 3,750,000 31 Dec, 2024
Jeffrey Alan Hawkins President Ceo 3,692,423 0 22 Apr, 2026
Jonathan M Rothberg Interim Ceo 2,568,443 0 16 Jun, 2022
Jonathan M Rothberg Interim Ceo 2,568,443 0 16 Jun, 2022
John Viii Stark Chief Executive Officer 1,977,368 0 12 Jan, 2022
John Viii Stark Chief Executive Officer 1,977,368 0 12 Jan, 2022
Jonathan M Rothberg - 0 1,904,866 17 Oct, 2025
Jonathan M Rothberg - 0 1,904,866 17 Oct, 2025
Jeffry R. Keyes Chief Financial Officer 1,732,582 0 22 Apr, 2026
Kevin Rakin - 0 1,200,000 22 Dec, 2022
Kevin Rakin - 0 1,200,000 22 Dec, 2022
Christian Lapointe Gc Corp. Secretary 1,198,017 0 24 Mar, 2026
John S. Vieceli Chief Product Officer 1,170,657 0 24 Mar, 2026
John S. Vieceli Chief Product Officer 1,170,657 0 24 Mar, 2026
Michael P Mckenna Evp, Product Development Ops 869,021 0 15 Jun, 2022
Charles R. Kummeth - 855,000 0 09 Mar, 2026
Todd C. Bennett Chief Commercial Officer 681,521 0 24 Sep, 2025
Matthew Dyer Chief Business Officer 333,393 0 15 Jun, 2022
Grace Johnston Chief Commercial Officer 295,940 0 25 Jun, 2024
Paula Dowdy - 269,107 0 09 Mar, 2026
Scott Mendel - 141,843 0 16 May, 2023
Amir Jafri - 115,942 0 26 Sep, 2023
John P. Kenny - 114,285 0 24 May, 2023
Vikram Bajaj - 66,666 0 21 Jun, 2022

* 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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
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
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
20 Apr, 2026 Jeffry R. Keyes Class A Common Stock D 37,382 $1.01 1,769,963 D S
20 Apr, 2026 Jeffry R. Keyes Class A Common Stock D 37,382 $1.01 1,769,963 D S
20 Apr, 2026 Jeffrey Alan Hawkins Class A Common Stock D 83,712 $1.01 3,776,135 D S
20 Apr, 2026 Jeffrey Alan Hawkins Class A Common Stock D 83,712 $1.01 3,776,135 D S
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 Jeffry R. Keyes Class A Common Stock D 37,381 $1.00 1,732,582 D S
21 Apr, 2026 Jeffry R. Keyes Class A Common Stock D 37,381 $1.00 1,732,582 D S
21 Apr, 2026 Jeffry R. Keyes Class A Common Stock D 37,381 $1.00 1,732,582 D S
21 Apr, 2026 Jeffry R. Keyes Class A Common Stock D 37,381 $1.00 1,732,582 D S
21 Apr, 2026 Jeffry R. Keyes Class A Common Stock D 37,381 $1.00 1,732,582 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 Jeffrey Alan Hawkins Class A Common Stock D 83,712 $1.00 3,692,423 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 Jeffrey Alan Hawkins Class A Common Stock D 83,712 $1.00 3,692,423 D S
21 Apr, 2026 Jeffrey Alan Hawkins Class A Common Stock D 83,712 $1.00 3,692,423 D S