Tregoning Kathleen — SEC Form 4 filings

SEC reporting owner CIK 1830764. 10 Form 4 filings on record with FilingPulse; latest filed 2026-07-08.

Transaction summary — filings shown

Covers all 10 filings on record, filed 2023-12-21 to 2026-07-08. 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
Cerevel Therapeutics Holdings, Inc. (CERE)See Remarks41 leg · 6,288 sh · $260,4698
Spero Therapeutics, Inc. (SPRO)Director45
COMPASS Pathways plc (CMPS)Director11
Kailera Therapeutics, Inc. (KLRA)See Remarks11

Form 4 filings — Tregoning Kathleen

FiledFormIssuerReported transactionsSource
2026-07-084Kailera Therapeutics, Inc. (KLRA)Grant/award (A): 175,000 (derivative) @ $0EDGAR
2026-06-254Spero Therapeutics, Inc. (SPRO)Grant/award (A): 10,000 @ $0 · Grant/award (A): 20,000 (derivative) @ $0EDGAR
2026-05-294COMPASS Pathways plc (CMPS)Grant/award (A): 41,119 (derivative) @ $0EDGAR
2025-06-164Spero Therapeutics, Inc. (SPRO)Grant/award (A): 20,000 @ $0EDGAR
2024-08-054Cerevel Therapeutics Holdings, Inc. (CERE)Disposition to issuer (D): 10,666 · Disposition to issuer (D): 614,428 (derivative) · Disposition to issuer (D): 59,171 (derivative) @ $0EDGAR
2024-05-304Spero Therapeutics, Inc. (SPRO)Grant/award (A): 20,000 @ $0EDGAR
2024-01-234Cerevel Therapeutics Holdings, Inc. (CERE)Grant/award (A): 59,171 (derivative) @ $0EDGAR
2024-01-044Spero Therapeutics, Inc. (SPRO)Grant/award (A): 35,604 (derivative) @ $1.12EDGAR
2023-12-284Cerevel Therapeutics Holdings, Inc. (CERE)Option exercise (M): 3,150 @ $10.05 · Option exercise (M): 3,150 (derivative) @ $0EDGAR
2023-12-214Cerevel Therapeutics Holdings, Inc. (CERE)Option exercise (M): 13,804 · Sale (S): 6,288 @ $41.42 · Option exercise (M): 13,804 (derivative) @ $0EDGAR

FilingPulse's Form 4 archive currently extends back to 2023-12-20 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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