Berkman Charles S 4

What Happened
Charles S. Berkman, Chief Legal Officer of OmniAb, reported multiple equity events on 2026-02-18. The filing shows derivative conversions/exercises (code M) that resulted in acquisitions of 18,750 shares (reported at $0.00 exercise price), two RSU grants/awards (60,000 and 600,000 RSUs) and a sell-to-cover sale of 9,673 shares in the open market at a weighted average price of $1.71 for proceeds of $16,541. The sale was required to satisfy tax-withholding obligations related to RSU vesting and is not a discretionary sale.

Key Details

• Transaction date: 2026-02-18; filing date: 2026-02-18 (same-day filing).
• Sales: 9,673 shares sold in multiple transactions at a weighted average price of $1.71 (range $1.68–$1.73), total proceeds ~$16,541 (footnote F4).
• Acquisitions: report shows exercises/conversions of derivatives (18,750 shares acquired at $0.00) and grants/awards of 60,000 and 600,000 RSUs (reported at $0.00) (codes M and A).
• Tax withholding: the sale of 9,673 shares was a mandated "sell-to-cover" to satisfy tax-withholding on RSU vesting (footnote F3).
• RSU details: each RSU represents the right to one share (F2); one RSU grant vests in three substantially equal annual installments beginning Feb 18, 2026 (F1), another RSU grant vests in three substantially equal annual installments beginning Feb 18, 2027 (F5).
• Option vesting: a separate stock option grant vests 12.5% after 6 months, then in 42 monthly installments (F6).
• Shares owned after transaction: not specified in the information provided in your summary.

Context: The filing shows predominantly non-discretionary equity activity (awards/vesting and derivative conversion) with a routine sell-to-cover for taxes. Purchases here are awards/vests (not open-market buys), which are common compensation events; the only market sale was to cover withholding and does not necessarily indicate a change in insider sentiment.