InsiderTrades

Form 4 for OABI OmniAb, Inc.

Accepted 2025-11-03 00:00:00 ET · period of report 2025-11-01 · accession 0001628280-25-048226 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2025-11-03 2025-11-01 OABI Bertozzi Carolyn R Dir M - OptEx — +17.8K 93.3K +24% —
D 2025-11-03 2025-11-01 OABI Bertozzi Carolyn R Dir M - OptEx $0.00 -17.8K 20.0K -47% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-11-01 M A 17,769 — 93,308 D — — (F1) Represents the vesting of an RSU which occurs in three substantially equal annual installments, beginning November 1st, 2023, subject to the Reporting Person's continued service to the Issuer through each such vesting date. (F2) Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.
2 Derivative Restricted Stock Units 2025-11-01 M D 17,769 $0.00 20,000 D — · — to — 17,769 Common Stock (F2) Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock. (F1) Represents the vesting of an RSU which occurs in three substantially equal annual installments, beginning November 1st, 2023, subject to the Reporting Person's continued service to the Issuer through each such vesting date.