Q32 Bio's three largest insider shareholders as of March 23, 2026 are Albert Seymour (See Remarks, 150.87K shares), Arthur Tzianabos (Director, 128.78K shares), Jodie Pope Morrison (Ceo, 89.10K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Albert Seymour | See Remarks | 150,874 | 0 | 08 Sep, 2023 |
| Arthur Tzianabos | 128,778 | 0 | 15 Feb, 2024 | |
| Jodie Pope Morrison | Ceo | 89,104 | 0 | 27 Feb, 2026 |
| Shelia M. Violette | Chief Scientific Officer | 55,569 | 0 | 27 Feb, 2026 |
| Lee Kalowski | Cfo And President | 35,943 | 0 | 27 Feb, 2026 |
| W Bradford Smith | See Remarks | 14,219 | 0 | 11 Jan, 2023 |
| Charles Jr Michaud | See Remarks | 11,598 | 0 | 05 Jan, 2024 |
| Julie Jordan | Chief Medical Officer | 7,496 | 0 | 07 Aug, 2023 |
| Timothy P Kelly | Chief Operating Officer | 2,224 | 0 | 12 Jan, 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.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 24 Feb, 2026 | Shelia M. Violette | Common Stock | A | 37,500 | $0.00 | 93,069 | D | A |
| 24 Feb, 2026 | Jodie Pope Morrison | Common Stock | A | 132,000 | $0.00 | 221,104 | D | A |
| 24 Feb, 2026 | Lee Kalowski | Common Stock | A | 53,250 | $0.00 | 89,193 | D | A |
| 25 Feb, 2026 | Lee Kalowski | Common Stock | D | 3,995 | $4.51 | 35,943 | D | S |
| 25 Feb, 2026 | Jodie Pope Morrison | Common Stock | D | 9,896 | $4.51 | 89,104 | D | S |
| 25 Feb, 2026 | Shelia M. Violette | Common Stock | D | 2,815 | $4.51 | 55,569 | D | S |
| 02 Dec, 2025 | Lee Kalowski | Common Stock | D | 9,072 | $3.46 | 39,938 | D | S |
| 02 Dec, 2025 | Jodie Pope Morrison | Common Stock | D | 22,506 | $3.46 | 99,000 | D | S |
| 23 Oct, 2025 | Arthur Tzianabos | Stock Option (Right to Buy) | A | 53,521 | $0.00 | 53,521 | D | A |
| 23 Oct, 2025 | Mary Thistle | Stock Option (Right to Buy) | A | 53,521 | $0.00 | 53,521 | D | A |
| 23 Oct, 2025 | Diyong Xu | Stock Option (Right to Buy) | A | 53,521 | $0.00 | 53,521 | D | A |
| 26 Aug, 2025 | Lee Kalowski | Common Stock | D | 4,240 | $1.80 | 49,010 | D | S |
| 26 Aug, 2025 | Shelia M. Violette | Common Stock | D | 2,990 | $1.80 | 58,384 | D | S |
| 26 Aug, 2025 | Jodie Pope Morrison | Common Stock | D | 10,494 | $1.80 | 121,506 | D | S |
| 24 Feb, 2025 | Arthur Tzianabos | Stock Option (Right to Buy) | D | 25,674 | $0.00 | 0 | D | D |
| 24 Feb, 2025 | Lee Kalowski | Common Stock | A | 53,250 | $0.00 | 53,250 | D | A |
| 24 Feb, 2025 | Mary Thistle | Stock Option (Right to Buy) | D | 12,767 | $0.00 | 0 | D | D |
| 24 Feb, 2025 | Jodie Pope Morrison | Common Stock | A | 132,000 | $0.00 | 132,000 | D | A |
| 24 Feb, 2025 | Diyong Xu | Stock Option (Right to Buy) | D | 12,767 | $0.00 | 0 | D | D |
| 24 Feb, 2025 | Shelia M. Violette | Common Stock | A | 37,500 | $0.00 | 61,374 | D | A |