Hall Christopher M 4

4 · Personalis, Inc. · Filed May 29, 2026

AI-generated summary of this filing

Updated May 30, 2026

Personalis (PSNL) CEO Christopher Hall Exercises Options, Sells Shares

What Happened

Christopher M. Hall, CEO of Personalis, exercised a total of 100,000 option shares (19,909 on 2026-05-28 and 80,091 on 2026-05-29) at $1.61 per share (total exercise cost $161,000) and sold all 100,000 shares in open-market transactions at a weighted-average price of $11.02 per share for total proceeds of $1,102,000. The Form 4 shows related derivative disposals reported at $0.00, reflecting conversion/surrender steps associated with the option exercise and sale.

Key Details

Transaction dates: 2026-05-28 (19,909 shares) and 2026-05-29 (80,091 shares).
Exercise price: $1.61 per share; total exercise cost reported $161,000 (32,053 + 128,947).
Sale price (weighted avg): $11.02 per share; total gross proceeds $1,102,000 (219,397 + 882,603).
Sale price ranges: 05-28 sales ranged $11.00–$11.05; 05-29 sales ranged $11.00–$11.12 (weighted averages reported; full breakdown available on request per footnotes).
Shares owned after the transactions: not provided in the excerpt of the filing.
Notable footnotes: F1—transactions effected under a Rule 10b5-1 trading plan adopted Dec 17, 2025; F4—options vested over a three-year period beginning Apr 15, 2024 (1/36th per month).
Filing: Form 4 filed May 29, 2026 for trades on May 28–29, 2026 (appears timely under Form 4 reporting rules).

Context

This was an option exercise followed by immediate open-market sales (a cashless-style outcome): Hall paid the exercise cost to acquire shares and then sold them. The trades were prearranged under a 10b5-1 plan, which specifies timing and can limit the interpretive value of sales as a signal of current sentiment. The vesting footnote indicates the options became exercisable under a scheduled vesting plan beginning in April 2024.

Form 4

Period: 2026-05-28

DirectorChief Executive Officer

Transactions

Exercise/Conversion
Common Stock
[F1]
2026-05-28$1.61/sh+19,909$32,053→ 255,895 total
Sale
Common Stock
[F1][F2]
2026-05-28$11.02/sh−19,909$219,397→ 235,986 total
Exercise/Conversion
Common Stock
[F1]
2026-05-29$1.61/sh+80,091$128,947→ 316,077 total
Sale
Common Stock
[F1][F3]
2026-05-29$11.02/sh−80,091$882,603→ 235,986 total
Exercise/Conversion
Stock Option (right to buy)
[F1][F4]
2026-05-28−19,909→ 380,091 total
Exercise: $1.61Exp: 2034-03-15→ Common Stock (19,909 underlying)
Exercise/Conversion
Stock Option (right to buy)
[F1][F4]
2026-05-29−80,091→ 300,000 total
Exercise: $1.61Exp: 2034-03-15→ Common Stock (80,091 underlying)

Footnotes (4)

[F1]The sales and option exercise reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 17, 2025.
[F2]The price reported above reflects the weighted average price of the shares sold. The sale price ranged from $11.00 to $11.05 per share. Upon request from the SEC staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.
[F3]The price reported above reflects the weighted average price of the shares sold. The sale price ranged from $11.00 to $11.12 per share. Upon request from the SEC staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.
[F4]The option vested and became exercisable over the three-year period commencing April 15, 2024, with 1/36th of the shares subject to the option vesting each month of continuous service thereafter.

Signature

/s/ Aaron Tachibana, Attorney-in-Fact|2026-05-29

1 file