Personalis CEO exercises options, sells 100K shares
Personalis, Inc. Chief Executive Officer Christopher M. Hall reported an exercise-and-sell transaction in Common Stock under a pre-arranged Rule 10b5-1 trading plan adopted on December 17, 2025.
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Form Type
4
Rhea-AI Filing Summary
Personalis, Inc. Chief Executive Officer Christopher M. Hall reported an exercise-and-sell transaction in Common Stock under a pre-arranged Rule 10b5-1 trading plan adopted on December 17, 2025. On May 28–29, 2026, he exercised stock options for 100,000 shares at an exercise price of $1.61 per share and sold the same number of shares in open-market transactions at a weighted average price of about $11.02 per share. Following these transactions, he directly holds 235,986 shares of Common Stock and continues to hold stock options covering 300,000 shares of Common Stock.
Insider Trade Summary 10b5-1
Exercise and Sale: 100,000 shares ($941K approx. pre-tax spread)
Exercise and Sale
6 txns
Insider
Hall Christopher M
Role
Chief Executive Officer
Sold
100,000 shs ($1.10M)
Approx. gross sale proceeds
$1.10M
Approx. exercise cost
$161K
Approx. pre-tax spread
$941K
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Stock Option (right to buy) | 80,091 | $0.00 | $0.00 |
| Exercise | Common Stock | 80,091 | $1.61 | $129K |
| Sale | Common Stock | 80,091 | $11.02 | $883K |
| Exercise | Stock Option (right to buy) | 19,909 | $0.00 | $0.00 |
| Exercise | Common Stock | 19,909 | $1.61 | $32K |
| Sale | Common Stock | 19,909 | $11.02 | $219K |
Holdings After Transaction:
Stock Option (right to buy) — 300,000 contracts (Direct);
Common Stock — 235,986 shares (Direct)
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.
Key Figures
Shares sold: 100,000 shares
Average sale price: $11.02 per share
Option exercise price: $1.61 per share
+5 more
8 metrics
Shares sold
100,000 shares
Open-market Common Stock sales on May 28–29, 2026
Average sale price
$11.02 per share
Weighted average for May 28–29, 2026 sales; individual trades $11.00–$11.12
Option exercise price
$1.61 per share
Conversion price for 100,000 Common Stock options exercised
Shares held after
235,986 shares
Common Stock directly owned after reported transactions
Options remaining
300,000 options
Stock Option (right to buy) position after exercises, expiring March 15, 2034
Exercise shares
100,000 shares
Total shares acquired via option exercises (M code) in this filing
10b5-1 plan adoption date
December 17, 2025
Date the CEO adopted the trading plan governing these trades
Option expiration
March 15, 2034
Expiration date for the Stock Option (right to buy) position
Key Terms
Rule 10b5-1 trading plan, Stock Option (right to buy), weighted average price, vested and became exercisable, +1 more
5 terms
Rule 10b5-1 trading plan regulatory
"The sales and option exercise reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
Stock Option (right to buy) financial
"security_title: "Stock Option (right to buy)" with underlying Common Stock shares"
weighted average price financial
"The price reported above reflects the weighted average price of the shares sold."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
vested and became exercisable financial
"The option vested and became exercisable over the three-year period commencing April 15, 2024"
open-market sale financial
"transaction_action: "open-market sale" for Common Stock transactions coded "S""
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What insider transaction did Personalis (PSNL) CEO Christopher Hall report?
Christopher Hall reported an exercise-and-sell transaction involving 100,000 Personalis shares. He exercised stock options for 100,000 shares at an exercise price of $1.61 and sold 100,000 shares in open-market trades at a weighted average price of about $11.02 per share.
Were the recent Personalis (PSNL) insider trades under a Rule 10b5-1 plan?
Yes. The sales and option exercises were made under a Rule 10b5-1 trading plan. A footnote explains the plan was adopted on December 17, 2025, indicating the transactions were pre-scheduled rather than newly decided at the time of trading.
What stock options did the Personalis (PSNL) CEO exercise in this Form 4?
The CEO exercised stock options for 100,000 shares at a conversion price of $1.61. These options, described as “Stock Option (right to buy),” were part of a grant vesting monthly over three years beginning April 15, 2024, and expire on March 15, 2034.
What vesting schedule applies to the Personalis (PSNL) CEO’s exercised options?
The exercised options vested monthly over three years from April 15, 2024. A footnote states that 1/36th of the shares subject to the option vested each month of continuous service after that date, creating a gradual vesting schedule before these May 2026 exercises.
AI-generated analysis. How Rhea-AI works. Not financial advice.
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