InsiderPresident and CMO

Richard Chen Insider Trading Activity

Every SEC Form 4 transaction reported by Richard Chen, sourced directly from SEC EDGAR and updated as new filings are accepted.

By · Insider-trading data from SEC EDGAR
Latest filing:

Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.

Quick Answer

Is Richard Chen buying or selling?

Richard Chen reported 0 open-market buys ($0) and 56 sells ($9.1M) across 56 Form 4 filings at 1 company — a net selling position of $9.1M.

Source: SEC EDGAR Form 4

What stands out

  • All 56 of Richard Chen's Form 4 filings are for one company, Personalis, Inc. (PSNL).
  • The most recent Form 4 was accepted on Sep 22, 2026 (26 days ago).
  • In the last 12 months: no open-market purchases and 2 sales ($1.6M).
  • The largest open-market sale in the last 12 months was $1.5M of Personalis, Inc. (PSNL) on Jul 16, 2026. SEC ↗

Key Statistics (as of Sep 22, 2026)

Total Form 4 filings
56
SEC EDGAR
Companies
1
Buys (0)
$0
Sells (56)
$9.1M

Insider sentiment

Net selling

Net insider flow of $9.1M in net selling, filed between Feb 28, 2020 – Sep 22, 2026.

Companies Richard Chen files for

#CompanyForm 4 filings
1PSNLPersonalis, Inc.56

Recent Richard Chen transactions

DateTickerRoleTypeSharesValueFiling
Sep 22, 2026PSNLPresident and CMOSale4.0K$64.8KSEC ↗
Jul 16, 2026PSNLPresident and CMOSale100.0K$1.5MSEC ↗
Jul 30, 2025PSNLCHIEF MEDICAL OFFICER AND EVPSale452$3.0KSEC ↗
May 20, 2025PSNLCHIEF MEDICAL OFFICER AND EVPSale910$4.5KSEC ↗
Jan 30, 2025PSNLCHIEF MEDICAL OFFICER AND EVPSale519$3.0KSEC ↗
Dec 18, 2024PSNLCHIEF MEDICAL OFFICER AND EVPSale4.8K$18.5KSEC ↗
Nov 20, 2024PSNLCHIEF MEDICAL OFFICER AND EVPSale921$3.5KSEC ↗
Aug 1, 2024PSNLCHIEF MEDICAL OFFICER AND EVPSale524$1.6KSEC ↗
Jun 20, 2024PSNLCHIEF MEDICAL OFFICER AND EVPSale5.1K$6.5KSEC ↗
May 22, 2024PSNLCHIEF MEDICAL OFFICER AND EVPSale940$1.3KSEC ↗
Jan 31, 2024PSNLCHIEF MEDICAL OFFICER AND EVPSale526$720.62SEC ↗
Dec 19, 2023PSNLChief Medical Officer and EVPSale4.7K$6.9KSEC ↗
Nov 20, 2023PSNLChief Medical Officer and EVPSale940$977.6SEC ↗
Aug 2, 2023PSNLChief Medical Officer and EVPSale485$1.1KSEC ↗
Jun 21, 2023PSNLChief Medical Officer and EVPSale4.8K$10.0KSEC ↗
May 19, 2023PSNLChief Medical Officer and EVPSale971$1.9KSEC ↗
Mar 21, 2023PSNLChief Medical Officer and EVPSale1.3K$3.7KSEC ↗
Feb 2, 2023PSNLChief Medical OfficerSale562$1.2KSEC ↗
Dec 22, 2022PSNLChief Medical OfficerSale1.8K$3.4KSEC ↗
Dec 19, 2022PSNLChief Medical OfficerSale7.2K$17.9KSEC ↗
Dec 6, 2022PSNLChief Medical OfficerSale440$1.1KSEC ↗
Nov 18, 2022PSNLChief Medical OfficerSale1.3K$3.5KSEC ↗
Sep 22, 2022PSNLChief Medical OfficerSale1.6K$5.5KSEC ↗
Sep 8, 2022PSNLChief Medical OfficerSale420$1.4KSEC ↗
Aug 1, 2022PSNLChief Medical OfficerSale632$2.5KSEC ↗

Showing the 25 most recent filings of 56. Screen every filing.

Richard Chen insider trading FAQ

Is Richard Chen buying or selling?

Across 56 SEC Form 4 filings, Richard Chen reported 0 open-market purchases totaling $0 and 56 sales totaling $9.1M — a net selling position of $9.1M.

Which companies does Richard Chen file Form 4s for?

Richard Chen has reported insider transactions at 1 company, most often Personalis, Inc. (PSNL).

How far back does Richard Chen's filing history go?

Trabud holds Richard Chen's SEC Form 4 filings from Feb 28, 2020 – Sep 22, 2026, sourced directly from SEC EDGAR.

Where does Trabud get Richard Chen's insider trading data?

Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.

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