As of September 09, 2026, the three largest insider holders of QSI are Jeffrey Alan Hawkins (President Ceo, 3.69Mn shares), Jeffrey Alan Hawkins (President Ceo, 3.67Mn shares), John Viii Stark (Chief Executive Officer, 1.98Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Jeffrey Alan Hawkins | President Ceo | 3,669,802 | 0 | 3,669,802 | 25.1% | 24 Jun, 2026 |
| 2 | John Viii Stark | Chief Executive Officer | 1,977,368 | 0 | 1,977,368 | 13.5% | 12 Jan, 2022 |
| 3 | Jeffry R. Keyes | Chief Financial Officer | 1,724,349 | 0 | 1,724,349 | 11.8% | 24 Jun, 2026 |
| 4 | Kevin Rakin | Director | 0 | 1,200,000 | 1,200,000 | 8.2% | 22 Dec, 2022 |
| 5 | Christian Lapointe | Gc Corp. Secretary | 1,182,429 | 0 | 1,182,429 | 8.1% | 24 Jun, 2026 |
| 6 | John S. Vieceli | Chief Product Officer | 1,140,434 | 0 | 1,140,434 | 7.8% | 24 Jun, 2026 |
| 7 | Michael P Mckenna | Evp, Product Development Ops | 869,021 | 0 | 869,021 | 5.9% | 15 Jun, 2022 |
| 8 | Charles R. Kummeth | Director | 855,000 | 0 | 855,000 | 5.8% | 09 Mar, 2026 |
| 9 | Todd C. Bennett | Chief Commercial Officer | 681,521 | 0 | 681,521 | 4.7% | 24 Sep, 2025 |
| 10 | Matthew Dyer | Chief Business Officer | 333,393 | 0 | 333,393 | 2.3% | 15 Jun, 2022 |
| 11 | Grace Johnston | Chief Commercial Officer | 295,940 | 0 | 295,940 | 2.0% | 25 Jun, 2024 |
| 12 | Paula Dowdy | Director | 269,107 | 0 | 269,107 | 1.8% | 09 Mar, 2026 |
| 13 | Scott Mendel | Director | 141,843 | 0 | 141,843 | 1.0% | 16 May, 2023 |
| 14 | Amir Jafri | Director | 115,942 | 0 | 115,942 | 0.8% | 26 Sep, 2023 |
| 15 | John P. Kenny | Director | 114,285 | 0 | 114,285 | 0.8% | 24 May, 2023 |
| 16 | Vikram Bajaj | Director | 66,666 | 0 | 66,666 | 0.5% | 21 Jun, 2022 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 22 Jun, 2026 | Christian Lapointe | Gc Corp. Secretary | Disposed S | 7,794 | $0.96 | $7.46K | 1,190,223 | Direct |
| 22 Jun, 2026 | Jeffry R. Keyes | Chief Financial Officer | Disposed S | 4,116 | $0.96 | $3.94K | 1,728,466 | Direct |
| 22 Jun, 2026 | John S. Vieceli | Chief Product Officer | Disposed S | 15,111 | $0.96 | $14.47K | 1,155,546 | Direct |
| 22 Jun, 2026 | Jeffrey Alan Hawkins | President Ceo | Disposed S | 11,310 | $0.96 | $10.83K | 3,681,113 | Direct |
| 23 Jun, 2026 | John S. Vieceli | Chief Product Officer | Disposed S | 15,112 | $0.90 | $13.59K | 1,140,434 | Direct |
| 23 Jun, 2026 | Christian Lapointe | Gc Corp. Secretary | Disposed S | 7,794 | $0.90 | $7.01K | 1,182,429 | Direct |
| 23 Jun, 2026 | Jeffry R. Keyes | Chief Financial Officer | Disposed S | 4,117 | $0.90 | $3.70K | 1,724,349 | Direct |
| 23 Jun, 2026 | Jeffrey Alan Hawkins | President Ceo | Disposed S | 11,311 | $0.90 | $10.17K | 3,669,802 | Direct |
| 18 May, 2026 | Ruth A Fattori | Director | Acquired A | 251,185 | $0.00 | $0 | 251,185 | Direct |
| 18 May, 2026 | Paula Dowdy | Director | Acquired A | 251,185 | $0.00 | $0 | 251,185 | Direct |
| 18 May, 2026 | Brigid Makes | Director | Acquired A | 251,185 | $0.00 | $0 | 251,185 | Direct |
| 18 May, 2026 | Amir Jafri | Director | Acquired A | 251,185 | $0.00 | $0 | 251,185 | Direct |
| 18 May, 2026 | Charles R. Kummeth | Director | Acquired A | 251,185 | $0.00 | $0 | 251,185 | Direct |
| 18 May, 2026 | John P. Kenny | Director | Acquired A | 251,185 | $0.00 | $0 | 251,185 | Direct |
| 18 May, 2026 | Kevin Rakin | Director | Acquired A | 251,185 | $0.00 | $0 | 251,185 | Direct |
| 18 May, 2026 | Jonathan M Rothberg | Director, TenPercentOwner | Acquired A | 251,185 | $0.00 | $0 | 251,185 | Direct |
| 20 Apr, 2026 | Jeffrey Alan Hawkins | President Ceo | Disposed S | 83,712 | $1.01 | $84.25K | 3,776,135 | Direct |
| 20 Apr, 2026 | Jeffry R. Keyes | Chief Financial Officer | Disposed S | 37,382 | $1.01 | $37.62K | 1,769,963 | Direct |
| 21 Apr, 2026 | Jeffry R. Keyes | Chief Financial Officer | Disposed S | 37,381 | $1.00 | $37.19K | 1,732,582 | Direct |
| 21 Apr, 2026 | Jeffrey Alan Hawkins | President Ceo | Disposed S | 83,712 | $1.00 | $83.29K | 3,692,423 | Direct |