Company · CIK 0001661998 · SIC 2834 — Pharmaceutical Preparations · Nasdaq
Q32 Bio Inc. · QTTB
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 25, 2026 SForm 4 → | Aug 27, 4:10 pm EDT | Jodie Pope MorrisonCEO, Director | 9,845 | $16.56 | $163,033 | 343,259 | −2.79% | |
| Aug 25, 2026 SForm 4 → | Aug 27, 4:10 pm EDT | Lee KalowskiCFO and President | 3,972 | $16.56 | $65,776 | 138,471 | −2.79% | |
| Aug 25, 2026 SForm 4 → | Aug 27, 4:10 pm EDT | Shelia M. VioletteChief Scientific Officer | 2,798 | $16.56 | $46,335 | 127,771 | −2.14% | |
| Jul 16, 2026 AForm 4 → | Jul 20, 9:31 pm EDT | Shelia M. VioletteChief Scientific Officer | 37,500 | — | — | 130,569 | — | |
| Jul 16, 2026 AForm 4 → | Jul 20, 9:27 pm EDT | Jodie Pope MorrisonCEO, Director | 132,000 | — | — | 353,104 | — | |
| Jul 16, 2026 AForm 4 → | Jul 20, 9:25 pm EDT | Lee KalowskiCFO and President | 53,250 | — | — | 142,443 | — | |
| Jun 30, 2026 MForm 4 → | Jul 2, 4:30 pm EDT | Isaac MankeDirector | 53,521 | $2.80 | $149,859 | 53,521 | — | |
| Dec 10, 2018 SForm 4 → | Dec 12, 8:10 pm EST | 5AM Ventures IV, L.P. +510% Owner | 15,575 | $26.01 | $405,029 | 246,035 | −5.95% | plan? |
| Dec 10, 2018 SForm 4 → | Dec 12, 8:10 pm EST | Kush ParmarDirector, 10% Owner | 15,575 | $26.01 | $405,029 | 246,035 | −5.95% | plan? |
| Nov 23, 2018 SForm 4 → | Nov 27, 6:09 pm EST | Kush ParmarDirector, 10% Owner | 29,682 | $20.04 | $594,709 | 246,658 | −10.7% | plan? |
| Nov 23, 2018 SForm 4 → | Nov 27, 6:08 pm EST | 5AM Ventures IV, L.P. +510% Owner | 29,682 | $20.04 | $594,709 | 246,658 | −10.7% | plan? |
| Nov 16, 2018 SForm 4 → | Nov 20, 5:05 pm EST | Kush ParmarDirector, 10% Owner | 525,900 | $20.20 | $10,623,180 | 247,845 | −68.0% | plan? |
| Nov 16, 2018 SForm 4 → | Nov 20, 5:05 pm EST | 5AM Ventures IV, L.P. +510% Owner | 525,900 | $20.20 | $10,623,180 | 247,845 | −68.0% | plan? |
| Apr 2, 2018 AForm 4/A → | May 16, 4:05 pm EDT | Mahendra ShahDirector | 250,000 | $16.00 | $4,000,000 | 909,742 | — | plan? |
| Apr 2, 2018 PForm 4 → | Apr 4, 8:56 pm EDT | James E Flynn +7Director, 10% Owner | 1,250,000 | $16.00 | $20,000,000 | 625,000 | — | plan? |
| Apr 2, 2018 CForm 4 → | Apr 4, 8:56 pm EDT | James E Flynn +7Director, 10% Owner | 3,977,035 | — | — | 1,988,517 | — | plan? |
| Apr 2, 2018 CForm 4/A → | Apr 4, 7:09 pm EDT | Kush ParmarDirector, 10% Owner | 5,392,037 | — | — | 6,722,076 | — | plan? |
| Apr 2, 2018 CForm 4 → | Apr 4, 6:41 pm EDT | 5AM Ventures IV, L.P. +510% Owner | 5,392,037 | — | — | 6,722,076 | — | plan? |
| Apr 2, 2018 ACForm 4 → | Apr 4, 4:45 pm EDT | Mahendra ShahDirector | 1,159,742 | $16.00 | $8,000,000 | 1,159,742 | — | plan? amended |
| Apr 2, 2018 CForm 4 → | Apr 4, 4:27 pm EDT | Steven GillisDirector | 6,068,695 | — | — | 6,068,695 | — | plan? |
| Apr 2, 2018 CForm 4 → | Apr 4, 4:25 pm EDT | ARCH Venture Fund VIII, L.P. +610% Owner | 6,068,695 | — | — | 6,068,695 | — | plan? |
| Apr 2, 2018 CForm 4 → | Apr 4, 4:24 pm EDT | Kush ParmarDirector, 10% Owner | 5,392,037 | — | — | 6,722,076 | — | plan? |
| Apr 2, 2018 CForm 4 → | Apr 4, 4:24 pm EDT | Novartis Institutes for BioMedical Research, Inc. +110% Owner | 1,979,226 | — | — | 1,979,226 | — | plan? |
| Apr 2, 2018 PForm 4 → | Apr 4, 4:24 pm EDT | Rock Springs Capital Management LP +210% Owner | 250,000 | $16.00 | $4,000,000 | 645,845 | +63.2% | plan? |
| Apr 2, 2018 CForm 4 → | Apr 4, 4:24 pm EDT | Rock Springs Capital Management LP +210% Owner | 395,845 | — | — | 395,845 | — | plan? |
| Apr 2, 2018 PForm 4 → | Apr 4, 4:24 pm EDT | Vida Ventures, LLC +110% Owner | 375,000 | $16.00 | $6,000,000 | 770,845 | +94.7% | plan? |
| Apr 2, 2018 CForm 4 → | Apr 4, 4:24 pm EDT | Vida Ventures, LLC +110% Owner | 395,845 | — | — | 395,845 | — | plan? |
| Apr 2, 2018 PForm 4 → | Apr 4, 1:33 pm EDT | Temasek Holdings (Private) Ltd +410% Owner | 625,000 | $16.00 | $10,000,000 | 3,220,293 | +24.1% | plan? |
| Apr 2, 2018 CForm 4 → | Apr 4, 1:33 pm EDT | Temasek Holdings (Private) Ltd +410% Owner | 2,595,293 | — | — | 2,595,293 | — | plan? |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 MForm 4 → | Jul 2, 4:30 pm EDT | Isaac MankeDirector | 53,521 | — | — | 0 | — | |
| Jun 12, 2026 AForm 4/A → | Jul 21, 8:40 pm EDT | Arthur TzianabosDirector | 10,826 | — | — | 10,826 | — | |
| Jun 12, 2026 AForm 4/A → | Jul 21, 8:39 pm EDT | Sven Ante LundbergDirector | 10,826 | — | — | 10,826 | — | |
| Jun 12, 2026 AForm 4/A → | Jul 21, 8:39 pm EDT | Kathleen LaporteDirector | 10,826 | — | — | 10,826 | — | |
| Jun 12, 2026 AForm 4/A → | Jul 21, 8:37 pm EDT | Mark T IwickiDirector | 10,826 | — | — | 10,826 | — | |
| Jun 12, 2026 AForm 4/A → | Jul 21, 8:25 pm EDT | Diyong XuDirector, 10% Owner | 10,826 | — | — | 10,826 | — | |
| Jun 12, 2026 AForm 4/A → | Jul 21, 8:25 pm EDT | Isaac MankeDirector | 10,826 | — | — | 10,826 | — | |
| Jun 12, 2026 AForm 4/A → | Jul 21, 8:24 pm EDT | David S. GrayzelDirector | 10,826 | — | — | 10,826 | — | |
| Jun 12, 2026 AForm 4/A → | Jul 21, 8:22 pm EDT | Mary ThistleDirector | 10,826 | — | — | 10,826 | — | |
| Jun 12, 2026 AForm 4 → | Jun 16, 4:30 pm EDT | Kathleen LaporteDirector | 9,810 | — | — | 9,810 | — | amended |
| Jun 12, 2026 AForm 4 → | Jun 16, 4:30 pm EDT | Mark T IwickiDirector | 9,810 | — | — | 9,810 | — | amended |
| Jun 12, 2026 AForm 4 → | Jun 16, 4:30 pm EDT | Isaac MankeDirector | 9,810 | — | — | 9,810 | — | amended |
| Jun 12, 2026 AForm 4 → | Jun 16, 4:30 pm EDT | Arthur TzianabosDirector | 9,810 | — | — | 9,810 | — | amended |
| Jun 12, 2026 AForm 4 → | Jun 16, 4:30 pm EDT | David S. GrayzelDirector | 9,810 | — | — | 9,810 | — | amended |
| Jun 12, 2026 AForm 4 → | Jun 16, 4:30 pm EDT | Mary ThistleDirector | 9,810 | — | — | 9,810 | — | amended |
| Jun 12, 2026 AForm 4 → | Jun 16, 4:30 pm EDT | Diyong XuDirector, 10% Owner | 9,810 | — | — | 9,810 | — | amended |
| Jun 12, 2026 AForm 4 → | Jun 16, 4:30 pm EDT | Sven Ante LundbergDirector | 9,810 | — | — | 9,810 | — | amended |
| Dec 14, 2018 AForm 4 → | Dec 18, 5:27 pm EST | Albert SeymourChief Scientific Officer | 74,000 | — | — | 74,000 | — | |
| Dec 14, 2018 AForm 4 → | Dec 18, 5:25 pm EST | Timothy P KellySee Remarks | 66,000 | — | — | 66,000 | — | |
| Dec 14, 2018 AForm 4 → | Dec 18, 5:21 pm EST | Arthur TzianabosPresident & CEO, Director | 203,000 | — | — | 203,000 | — | |
| Dec 14, 2018 AForm 4 → | Dec 18, 5:20 pm EST | W Bradford SmithCFO, Treasurer & Secretary | 88,000 | — | — | 88,000 | — | |
| Apr 2, 2018 CForm 4 → | Apr 4, 8:56 pm EDT | James E Flynn +7Director, 10% Owner | 20,931,141 | — | — | 0 | — | |
| Apr 2, 2018 CForm 4 → | Apr 4, 6:41 pm EDT | 5AM Ventures IV, L.P. +510% Owner | 5,392,037 | — | — | 0 | — | |
| Apr 2, 2018 CForm 4 → | Apr 4, 4:45 pm EDT | Mahendra ShahDirector | 659,742 | — | — | 0 | — | amended |
| Apr 2, 2018 CForm 4 → | Apr 4, 4:27 pm EDT | Steven GillisDirector | 6,068,695 | — | — | 0 | — | |
| Apr 2, 2018 CForm 4 → | Apr 4, 4:25 pm EDT | ARCH Venture Fund VIII, L.P. +610% Owner | 6,068,695 | — | — | 0 | — | |
| Apr 2, 2018 CForm 4 → | Apr 4, 4:24 pm EDT | Kush ParmarDirector, 10% Owner | 5,392,037 | — | — | 0 | — | |
| Apr 2, 2018 CForm 4 → | Apr 4, 4:24 pm EDT | Novartis Institutes for BioMedical Research, Inc. +110% Owner | 1,979,226 | — | — | 0 | — | |
| Apr 2, 2018 CForm 4 → | Apr 4, 4:24 pm EDT | Rock Springs Capital Management LP +210% Owner | 395,845 | — | — | 0 | — | |
| Apr 2, 2018 CForm 4 → | Apr 4, 4:24 pm EDT | Vida Ventures, LLC +110% Owner | 395,845 | — | — | 0 | — | |
| Apr 2, 2018 CForm 4 → | Apr 4, 1:33 pm EDT | Temasek Holdings (Private) Ltd +410% Owner | 2,595,293 | — | — | 0 | — | |
| Mar 27, 2018 AForm 4 → | Mar 29, 7:32 pm EDT | Mary ThistleDirector | 31,160 | — | — | 31,160 | — | |
| Mar 27, 2018 AForm 4 → | Mar 29, 7:31 pm EDT | Arthur TzianabosPresident & CEO, Director | 92,376 | — | — | 92,376 | — | |
| Mar 27, 2018 AForm 4 → | Mar 29, 7:30 pm EDT | Cameron WheelerDirector | 31,160 | — | — | 31,160 | — | |
| Mar 27, 2018 AForm 4 → | Mar 29, 7:28 pm EDT | Albert SeymourChief Scientific Officer | 66,501 | — | — | 66,501 | — | |
| Mar 27, 2018 AForm 4 → | Mar 29, 7:27 pm EDT | Kush ParmarDirector, 10% Owner | 31,160 | — | — | 31,160 | — | |
| Mar 27, 2018 AForm 4 → | Mar 29, 7:27 pm EDT | Richard J. GregoryDirector | 31,160 | — | — | 31,160 | — | |
| Mar 27, 2018 AForm 4 → | Mar 29, 7:27 pm EDT | Matthew R PattersonDirector | 8,360 | — | — | 8,360 | — | |
| Mar 27, 2018 AForm 4 → | Mar 29, 7:19 pm EDT | Siyamak RastyChief Operating Officer | 30,780 | — | — | 30,780 | — | |
| Mar 27, 2018 AForm 4 → | Mar 29, 6:47 pm EDT | W Bradford SmithCFO, Treasurer & Secretary | 49,711 | — | — | 49,711 | — | |
| Mar 27, 2018 AForm 4 → | Mar 29, 6:34 pm EDT | Steven GillisDirector | 31,160 | — | — | 31,160 | — | |
| Mar 27, 2018 AForm 4 → | Mar 29, 6:30 pm EDT | Mahendra ShahDirector | 31,160 | — | — | 31,160 | — | |
| Mar 27, 2018 AForm 4 → | Mar 29, 5:22 pm EDT | James E Flynn +1Director, 10% Owner | 31,160 | — | — | 31,160 | — |