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Q32 Bio Inc. (QTTB)

Q32 Bio Inc. (QTTB) Insider Trading

Directors, officers and holders of more than 10% of QTTB report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 138 transactions on file: 4 with code P, 11 with code S and 35 with other codes.

DateInsiderCodeShares
Oct 6, 2026Violette Shelia M.S Sale917
Oct 6, 2026Kalowski LeeS Sale1,301
Oct 6, 2026Morrison Jodie PopeS Sale3,221
Aug 25, 2026Kalowski LeeS Sale3,972
Aug 25, 2026Violette Shelia M.S Sale2,798
Aug 25, 2026Morrison Jodie PopeS Sale9,845
Jul 16, 2026Violette Shelia M.A Award37,500
Jul 16, 2026Kalowski LeeA Award53,250
Jul 16, 2026Morrison Jodie PopeA Award132,000
Jun 30, 2026Manke IsaacM Exercise53,521
Jun 30, 2026Manke IsaacM Exercise53,521
Jun 12, 2026Lundberg Sven AnteA Award10,826
Jun 12, 2026Iwicki Mark TA Award9,810
Jun 12, 2026Thistle MaryA Award10,826
Jun 12, 2026LAPORTE KATHLEENA Award9,810
Jun 12, 2026Lundberg Sven AnteA Award9,810
Jun 12, 2026Iwicki Mark TA Award10,826
Jun 12, 2026Manke IsaacA Award9,810
Jun 12, 2026TZIANABOS ARTHURA Award9,810
Jun 12, 2026Xu DiyongA Award9,810
Jun 12, 2026LAPORTE KATHLEENA Award10,826
Jun 12, 2026TZIANABOS ARTHURA Award10,826
Jun 12, 2026GRAYZEL DAVID S.A Award10,826
Jun 12, 2026Xu DiyongA Award10,826
Jun 12, 2026Manke IsaacA Award10,826
Jun 12, 2026Thistle MaryA Award9,810
Jun 12, 2026GRAYZEL DAVID S.A Award9,810
May 28, 2026ORBIMED ADVISORS LLCP Purchase625,000
May 28, 2026ORBIMED ADVISORS LLCP Purchase1,250,000
May 28, 2026Xu DiyongP Purchase625,000
May 28, 2026Xu DiyongP Purchase1,250,000
Feb 25, 2026Morrison Jodie PopeS Sale9,896
Feb 25, 2026Violette Shelia M.S Sale2,815
Feb 25, 2026Kalowski LeeS Sale3,995
Feb 24, 2026Violette Shelia M.A Award37,500
Feb 24, 2026Kalowski LeeA Award53,250
Feb 24, 2026Morrison Jodie PopeA Award132,000
Jan 15, 2026GRAYZEL DAVID S.A Award16,363
Jan 15, 2026Lundberg Sven AnteA Award20,363
Jan 15, 2026LAPORTE KATHLEENA Award23,272
Dec 2, 2025Morrison Jodie PopeS Sale22,506
Dec 2, 2025Kalowski LeeS Sale9,072
Oct 23, 2025Manke IsaacA Award53,521
Oct 23, 2025Xu DiyongA Award53,521
Oct 23, 2025TZIANABOS ARTHURA Award53,521
Oct 23, 2025Iwicki Mark TA Award53,521
Oct 23, 2025Lundberg Sven AnteA Award53,521
Oct 23, 2025Thistle MaryA Award53,521
Oct 23, 2025GRAYZEL DAVID S.A Award53,521
Oct 23, 2025LAPORTE KATHLEENA Award53,521

The full Form 4 history is on the QTTB company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.