Welcome to our dedicated page for Personalis SEC filings (Ticker: PSNL), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
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PSNL filed a Rule 144 notice reporting the proposed sale of 4,982 shares of Common Stock via exercise of stock options, scheduled 06/29/2026. The filing also lists recent 10b5-1 sales by Aaron Tachibana totaling 129,050 shares across three trades in May–June 2026 with aggregate proceeds shown as $1,605,140.20.
Personalis, Inc. CFO and COO Aaron Tachibana reported an option exercise and stock sale. On June 26, 2026, he exercised stock options to acquire a total of 51,251 shares of common stock at strike prices of $5.32 and $9.16 per share.
On the same date, he sold 51,251 shares of common stock in open-market transactions at a weighted average price of $13.18 per share, with individual prices ranging from $13.00 to $13.30. After these transactions, he directly held 198,833 shares of Personalis common stock. The filing states the trades were made under a pre-established Rule 10b5-1 trading plan, indicating they were pre-scheduled rather than discretionary.
Personalis, Inc. Chief Executive Officer Christopher M. Hall reported an exercise-and-sell transaction in company stock. He exercised stock options to acquire 100,000 shares of common stock at $1.61 per share, then sold 100,000 shares of common stock in an open-market transaction at a weighted average price of $13.15 per share, with sale prices ranging from $13.00 to $13.36.
Following these transactions, Hall directly holds 235,986 shares of Personalis common stock and 200,000 stock options. The filing states that both the sales and the option exercise were carried out under a pre-arranged Rule 10b5-1 trading plan adopted on December 17, 2025, indicating the activity was scheduled in advance.
Morgan Stanley Smith Barney LLC Executive Financial Services filed a Form 144 notice related to Common shares tied to an Exercise of Stock Options on 06/26/2026. The notice lists 51,251 shares to be sold for cash. It also discloses prior 10b5-1 sales by Aaron L. Tachibana of 40,000 shares on 06/04/2026 ($480,584) and 38,799 shares on 05/29/2026 ($449,273.02).
Morgan Stanley Smith Barney LLC filed a Form 144 reporting a proposed sale of 100,000 shares of Common Stock of PSNL on 06/26/2026 in connection with an exercise of stock options for cash. The filing also lists 10b5-1 sales by Christopher Hall of 80,091 shares for $882,843.09 on 05/29/2026 and 19,909 shares for $219,319.42 on 05/28/2026.
EASTHAM KARIN reported acquisition or exercise transactions in this Form 4 filing.
Personalis, Inc. director Karin Eastham reported an amended insider transaction showing a grant of 6,250 shares of Common Stock, in the form of restricted stock units (RSUs), with no cash paid per share. After this award, she is shown as beneficially owning 19,756 shares. The RSUs vest 100% on the earlier of one year from grant or the day before the next annual stockholder meeting, subject to continued service, and vest immediately before any qualifying Change in Control. The amendment corrects the number of shares previously reported as beneficially owned.
Personalis, Inc. received an updated ownership filing from Lightspeed-affiliated funds. The group of venture capital entities collectively reports beneficial ownership of 6,101,850 shares of Personalis common stock, representing 5.8% of the 104,721,098 shares outstanding as of April 29, 2026.
The stake is held through several related Lightspeed vehicles, including Lightspeed Venture Partners Select IV, Lightspeed Venture Partners Select and Lightspeed Venture Partners VIII. On June 8, 2026, LSVP VIII Trust made a pro rata in-kind distribution of 2,058,884 shares, with LGP VIII receiving 551,521 shares and then distributing those shares in kind to its members, all for no additional consideration.
The filing clarifies current voting and dispositive powers across the various Lightspeed entities and confirms that, aside from the described in-kind distributions, no other transactions in Personalis stock were reported by the group in the prior sixty days.
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.
Aaron L. Tachibana reported mixed transactions involving Common Stock of PSNL. The filing lists 40,000 shares tied to an exercise of stock options dated 06/04/2026 and records prior 10b5-1 sales of 38,799 shares on 05/29/2026 producing $449,273.02. The excerpt also shows a numeric line associating 40,000 shares with $431,200.00 and a figure of 104,721,098 appearing alongside 06/04/2026.
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.