PSNL insider buying and SEC filings, explained
Personalis, Inc. · CIK 1527753
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$2.7M
Insiders who bought
1
Sold (not marked 10b5-1)
$533K
Planned sales (10b5-1)
$8.2M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Sep 18, 2026 | Sale | Stephen Michael Moore (SVP and Chief Legal Officer) sold 2,068 shares at $16.22 ($34K). Holdings down 2% to 90,257 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 22, 2026 |
| Sep 18, 2026 | Sale | Richard Chen (President / COO) sold 3,998 shares at $16.22 ($65K). Holdings down 2% to 169,882 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 22, 2026 |
| Sep 18, 2026 | Sale | Christopher M Hall (CEO and Director) sold 7,459 shares at $16.22 ($121K). Holdings down 3% to 228,527 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 22, 2026 |
| Sep 18, 2026 | Sale | Aaron Tachibana (CFO) sold 2,931 shares at $16.22 ($48K). Holdings down 1% to 195,902 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 22, 2026 |
| Jul 15, 2026 | Planned (10b5-1) | Richard Chen (President / COO) sold 100,000 shares at about $15.15 ($1.5M), marked as a 10b5-1 plan trade. Holdings down 37% to 173,880 shares. | SEC filing Filed Jul 15, 2026 |
| Jul 9, 2026 | Planned (10b5-1) | Christopher M Hall (CEO and Director) sold 100,000 shares at about $15.08 ($1.5M), marked as a 10b5-1 plan trade. Holdings down 30% to 235,986 shares. | SEC filing Filed Jul 9, 2026 |
| Jun 29, 2026 | Planned (10b5-1) | Aaron Tachibana (CFO) sold 4,982 shares at $14.00 ($70K), marked as a 10b5-1 plan trade. Holdings down 2% to 198,833 shares. | SEC filing Filed Jun 29, 2026 |
| Jun 26, 2026 | Planned (10b5-1) | Christopher M Hall (CEO and Director) sold 100,000 shares at about $13.15 ($1.3M), marked as a 10b5-1 plan trade. Holdings down 30% to 235,986 shares. | SEC filing Filed Jun 26, 2026 |
| Jun 26, 2026 | Planned (10b5-1) | Aaron Tachibana (CFO) sold 51,251 shares at about $13.18 ($675K), marked as a 10b5-1 plan trade. Holdings down 20% to 198,833 shares. | SEC filing Filed Jun 26, 2026 |
| Jun 4, 2026 | Planned (10b5-1) | Aaron Tachibana (CFO) sold 40,000 shares at about $12.01 ($480K), marked as a 10b5-1 plan trade. Holdings down 17% to 198,833 shares. | SEC filing Filed Jun 5, 2026 |
| May 29, 2026 | Planned (10b5-1) | Aaron Tachibana (CFO) sold 38,799 shares at about $11.58 ($449K), marked as a 10b5-1 plan trade. Holdings down 16% to 198,833 shares. | SEC filing Filed May 29, 2026 |
| May 28–29, 2026 | Planned (10b5-1) | Christopher M Hall (CEO and Director) sold 100,000 shares between May 28 and May 29 at about $11.02 ($1.1M), marked as a 10b5-1 plan trade. Holdings down 30% to 235,986 shares. | SEC filing Filed May 29, 2026 |
| Nov 18–Dec 22, 2025 | Purchase (code P) | Tempus AI, Inc. (10% owner) bought 320,267 shares between Nov 18, 2025 and Dec 22, 2025 at about $8.55 ($2.7M), reported as a purchase (code P). Holdings up 3% to 13,039,067 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 13, 2026 |
| Jan 22, 2026 | Planned (10b5-1) | Aaron Tachibana (CFO) sold 1,201 shares at $11.50 ($14K), marked as a 10b5-1 plan trade. Holdings down 1% to 164,458 shares. | SEC filing Filed Jan 23, 2026 |
| Nov 25, 2025 | Planned (10b5-1) | Aaron Tachibana (CFO) sold 103,668 shares at about $10.78 ($1.1M), marked as a 10b5-1 plan trade. Holdings down 39% to 164,458 shares. | SEC filing Filed Nov 28, 2025 |
| Nov 3, 2025 | Sale | Christopher M Hall (CEO and Director) sold 29,612 shares at about $8.99 ($266K). Holdings down 17% to 148,486 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 5, 2025 |
24 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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