Personalis (NASDAQ: PSNL) CFO sells 40,000 shares under 10b5-1 plan
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
Personalis, Inc. CFO and COO Aaron Tachibana exercised stock options and sold shares in a planned transaction. He exercised options for 40,000 shares of common stock at an exercise price of $9.16 per share and then sold 40,000 shares in an open-market transaction at a weighted average price of $12.01 per share, within a range of $12.00 to $12.10. Following these transactions, he holds 198,833 shares of common stock directly and retains 28,832 stock options. The filing states the sales and option exercise were carried out under a Rule 10b5-1 trading plan adopted on August 7, 2025, indicating the trades were pre-arranged.
Positive
- None.
Negative
- None.
Insider Trade Summary 10b5-1
Net Seller: 40,000 shares ($480,400)
Net Sell
3 txns
Insider
Tachibana Aaron
Role
CFO AND COO
Sold
40,000 shs ($480K)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Stock Option (right to buy) | 40,000 | $0.00 | -- |
| Exercise | Common Stock | 40,000 | $9.16 | $366K |
| Sale | Common Stock | 40,000 | $12.01 | $480K |
Holdings After Transaction:
Stock Option (right to buy) — 28,832 shares (Direct, null);
Common Stock — 238,833 shares (Direct, null)
Footnotes (1)
- 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 August 7, 2025. The price reported above reflects the weighted average price of the shares sold. The sale price ranged from $12.00 to $12.10 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. The shares subject to the option are fully vested and exercisable.
Key Figures
Shares sold: 40,000 shares
Sale price (weighted average): $12.01/share
Options exercised: 40,000 shares
+4 more
7 metrics
Shares sold
40,000 shares
Open-market sale of common stock on June 4, 2026
Sale price (weighted average)
$12.01/share
Common stock sale price range $12.00–$12.10
Options exercised
40,000 shares
Stock options exercised into common stock on June 4, 2026
Option exercise price
$9.16/share
Strike price for exercised stock options
Shares held after transactions
198,833 shares
Direct Personalis common stock holdings post-transaction
Remaining stock options
28,832 options
Stock options outstanding after the reported exercise
Rule 10b5-1 plan adoption date
August 7, 2025
Date the pre-arranged trading plan was adopted
Key Terms
Rule 10b5-1 trading plan, weighted average price, Stock Option (right to buy), fully vested and exercisable, +1 more
5 terms
Rule 10b5-1 trading plan regulatory
"The sales and option exercise ... 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.
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.
Stock Option (right to buy) financial
"security_title: Stock Option (right to buy)"
fully vested and exercisable financial
"The shares subject to the option are fully vested and exercisable."
open-market sale financial
"transaction_action: open-market sale"
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
What did Personalis (PSNL) CFO Aaron Tachibana report in this Form 4?
Aaron Tachibana reported an option exercise and related share sale. He exercised options for 40,000 Personalis shares at $9.16 and sold 40,000 shares at a weighted average of $12.01, all under a pre-arranged Rule 10b5-1 trading plan.
At what price did the Personalis (PSNL) CFO exercise his stock options?
He exercised stock options covering 40,000 Personalis shares at an exercise price of $9.16 per share. These options were fully vested and exercisable, and the exercise preceded the sale of 40,000 common shares on the same date.
Were the Personalis (PSNL) CFO’s trades made under a Rule 10b5-1 plan?
Yes. The filing states the sales and option exercise were effected under a Rule 10b5-1 trading plan adopted on August 7, 2025. Such pre-arranged plans automate trading, reducing the significance of day-to-day timing decisions by the insider.