Zimmermann Tracy — SEC Form 4 filings

SEC reporting owner CIK 1830668. 2 Form 4 filings on record with FilingPulse; latest filed 2024-01-31.

Transaction summary — filings shown

Covers all 2 filings on record, filed 2024-01-17 to 2024-01-31. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.

By issuer — same filings

Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.

IssuerRole (as filed)FilingsPurchases (P)Sales (S)Other legs
Generation Bio Co. (GBIO)CHIEF DEVELOPMENT OFFICER29

Form 4 filings — Zimmermann Tracy

FiledFormIssuerReported transactionsSource
2024-01-314Generation Bio Co. (GBIO)Option exercise (M): 5,021 · Tax withholding (F): 1,476 @ $1.90 · Option exercise (M): 5,021 (derivative) @ $0EDGAR
2024-01-174Generation Bio Co. (GBIO)Option exercise (M): 7,437 · Tax withholding (F): 2,577 @ $1.91 · Option exercise (M): 6,694 · Tax withholding (F): 2,320 @ $1.91 · Option exercise (M): 7,437 (derivative) @ $0 · Option exercise (M): 6,694 (derivative) @ $0EDGAR

FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.

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