Company · Ownership research

Q32 Bio Inc. QTTB

CIK 0001661998

Form 4 transactions dated Nov 1, 2023 to Nov 15, 2026, as reported to the SEC.

Insider trading Initial holdings Institutional holders

Insider filings on file run through Oct 14, 2026.

Some filings are submitted jointly by several insiders. The SEC form does not apportion the reported figures between them, so results include every joint filer.

Insider purchases & sales

Purchased: $30.00M
Sold: $564.26K

Nov 1, 2023 – Oct 14, 2026
Available records · partial months are marked ·

202610 of 11 preview events

Date	Insider	Activity	Trade value (USD)	% of prior holding
Oct 6, 2026	Morrison Jodie Pope CEO · Director	Sale	$26.80K 3,221 shares sold	0.94% sold Direct holding	▾
Oct 6, 2026	Violette Shelia M. Chief Scientific Officer	Sale	$7.63K 917 shares sold	0.72% sold Direct holding	▾
Oct 6, 2026	Kalowski Lee CFO and President	Sale	$10.82K 1,301 shares sold	0.94% sold Direct holding	▾
Aug 25, 2026	Kalowski Lee CFO and President	Sale	$65.78K 3,972 shares sold	2.79% sold Direct holding	▾
Aug 25, 2026	Morrison Jodie Pope CEO · Director	Sale	$163.03K 9,845 shares sold	2.79% sold Direct holding	▾
Aug 25, 2026	Violette Shelia M. Chief Scientific Officer	Sale	$46.33K 2,798 shares sold	2.14% sold Direct holding	▾
May 28, 2026	Xu Diyong Director · 10% owner	Purchase	$15.00M 1,875,000 shares bought	Unavailable Indirect holding	▾
May 28, 2026	ORBIMED ADVISORS LLC · OrbiMed Capital GP VII LLC · OrbiMed Genesis GP LLC Director · 10% owner	Purchase	$15.00M 1,875,000 shares bought	Unavailable Indirect holding	▾
Feb 25, 2026	Kalowski Lee CFO and President	Sale	$18.04K 3,995 shares sold	10.00% sold Direct holding	▾
Feb 25, 2026	Morrison Jodie Pope CEO · Director	Sale	$44.67K 9,896 shares sold	10.00% sold Direct holding	▾

Showing 11 / 11 record groups in 2026. The complete set is available through the API.

Q32 Bio Inc. · QTTB

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The initial HTML of this page carries its exact data as script#research-data (JSON): values, units, scope, preview limits and SEC sources. Read it directly, no script or API key needed; script#research-access says what needs an account. For the year shown, this page lists 11 of 11 purchase / sale groups and 19 of 19 other groups; the totals and the monthly series cover the whole window.

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{"action":"list","ticker":"QTTB","transaction_code":["P","S"],"transaction_form_type":"4","page_size":20}

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Sources, coverage & how to read this data

Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.

Non-cancelled, non-derivative purchase (P) and sale (S) rows dated inside the public window, as reported. Share totals are on today's split-adjusted basis. Includes open-market and private transactions. Data after the latest filing is not asserted complete and is not zero-filled. A grouped event shares filing, transaction date, security, code, direction, ownership bucket and source. Derivative groups also match underlying security, exercise price, exercise/expiration dates and footnote references. Reported rows are retained; P/S price lots can be grouped. Post-transaction balances are never summed.