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Insider Profile · SEC Form 4 Activity · Trailing 90 Days

Xu Diyong

Over the trailing 90 days, Xu Diyong (Director at Q32 Bio Inc.) bought $15.0M of stock in QTTB, per 3 SEC Form 4 transactions.

Role
Director
Companies
QTTB
Window
Trailing 90 days · 3 transactions · CIK 1995088
Net activity
+$15.0M ($15.0M bought · $0 sold)

By Company (Trailing 90 Days)

SymbolCompanyTxnsBoughtSoldNet
QTTBQ32 Bio Inc.3$15.0M$15.0M

Transactions (3)

DateSymbolTypeSharesValueDescription
2026-06-12QTTBBuy9.8K$0Grant, award or other acquisition
2026-05-28QTTBBuy625.0K$5.0MOpen market or private purchase
2026-05-28QTTBBuy1.2M$10.0MOpen market or private purchase

Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.

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