BOWMAN A BLAINE 4

What Happened
Bowman A. Blaine, a director of Personalis, Inc. (PSNL), received equity awards on 2026-05-12: 6,250 restricted stock units (RSUs) and a 37,500-share derivative award (an option-style grant). Both grants were reported with an acquisition price of $0, meaning they were awarded to Blaine rather than purchased. These are grants/awards (code A) — not sales or exercised options — and thus are compensation/retention awards rather than market purchases.

Key Details

• Transaction date: 2026-05-12; Form 4 filed 2026-05-14 (filed within the standard two-business-day window).
• Grants: 6,250 RSUs @ $0 (total $0); 37,500 derivative (option) units @ $0 (total $0).
• Vesting (RSU): 100% vests on the earlier of one year after grant or the day before the next annual meeting, subject to continuous service; immediate vesting if a Change in Control occurs (footnote F1).
• Vesting (option/derivative): 100% vests on the earlier of one year after grant or the day before the next annual meeting, subject to continuous service; in a Change in Control the option vests and becomes exercisable immediately prior to such event (footnote F2).
• Shares owned after the transaction: Not disclosed in the filing.
• Filing timeliness: Reported on 2026-05-14 for a 2026-05-12 grant—timely under Form 4 rules.

Context

• RSUs are a promise to deliver shares upon vesting; the derivative award appears to be an option-style grant that must vest before it can be exercised into shares. Neither award was exercised or sold at the time of this filing.
• Grants at $0 are common for director and executive compensation and do not represent a cash purchase; they are intended for retention/incentive.
• These awards are informational about insider compensation and do not, by themselves, indicate buying or selling sentiment.