Key facts
- This page summarizes Aaron Tachibana's Form 4 filing for Personalis, Inc. (PSNL).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 22 Sep 2026, 16:10.
Aaron Tachibana - 18 Sep 2026 Form 4 Insider Report for Personalis, Inc. (PSNL)
- Reporting relationship
- CFO AND COO
- Issuer ticker
- PSNL
- Reported as of
- 18 Sep 2026
- Net transaction value
- -$47,541
- SEC form
- 4
- Accepted by SEC
- 22 Sep 2026, 16:10:06 UTC
- Prior SEC filing
- 29 Jun 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Aaron Tachibana
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Aaron Tachibana filed Form 4 for Personalis, Inc. (PSNL) on 22 Sep 2026.
Change
- Previous filing in this sequence was filed on 29 Jun 2026.
- Current net transaction value: -$47,541.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001401786
Primary reporting owner
Tachibana Aaron
- Relationship
- CFO AND COO
- Address
- C/O PERSONALIS, INC., 6600 DUMBARTON CIRCLE, FREMONT
- Signature
- /s/ Aaron Tachibana
- Signature date
- 22 Sep 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
PSNL
transaction
Common Stock
Sale
- Transaction value
- $47,541
- Shares
- -2,931
- Change %
- -1.5%
- Price
- $16.22
- Shares after
- 195,902
- Date
- 18 Sep 2026
- Ownership
- Direct
- Footnotes
- F1
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
Shares automatically sold to cover tax withholding obligation from settlement of vested restricted stock units.