InsiderCFO

Aaron Tachibana Insider Trading Activity

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

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Quick Answer

Is Aaron Tachibana buying or selling?

Aaron Tachibana reported 0 open-market buys ($0) and 51 sells ($4.3M) across 51 Form 4 filings at 2 companies — a net selling position of $4.3M.

Source: SEC EDGAR Form 4

Key Statistics (as of Jun 29, 2026)

Total Form 4 filings
51
SEC EDGAR
Companies
2
Buys (0)
$0
Sells (51)
$4.3M

Insider sentiment

Net selling

Net insider flow of $4.3M in net selling, filed between Feb 22, 2018 – Jun 29, 2026.

Companies Aaron Tachibana files for

#CompanyForm 4 filings
1PSNLPersonalis, Inc.48
2LITELumentum Holdings Inc.3

Recent Aaron Tachibana transactions

DateTickerRoleTypeSharesValue
Jun 29, 2026PSNLCFO AND COOSale5.0K$69.7K
Jun 26, 2026PSNLCFO AND COOSale51.3K$675.5K
Jun 6, 2026PSNLCFO AND COOSale40.0K$480.4K
May 30, 2026PSNLCFO AND COOSale38.8K$449.3K
Jan 23, 2026PSNLCFO AND COOSale1.2K$13.8K
Nov 28, 2025PSNLCFO AND COOSale103.7K$1.1M
Jul 30, 2025PSNLCFO AND COOSale641$4.2K
May 20, 2025PSNLCFO AND COOSale1.3K$6.4K
Jan 30, 2025PSNLCFO AND COOSale708$4.1K
Dec 18, 2024PSNLCFO AND COOSale6.9K$26.2K
Nov 20, 2024PSNLCFO AND COOSale1.3K$5.0K
Aug 1, 2024PSNLCFO AND COOSale742$2.2K
Jun 20, 2024PSNLCFO AND COOSale7.2K$9.3K
May 22, 2024PSNLCFO AND COOSale1.3K$1.8K
Jan 31, 2024PSNLCFO AND COOSale716$980.92
Dec 19, 2023PSNLCFO and COOSale6.7K$9.9K
Nov 20, 2023PSNLCFO and COOSale1.3K$1.4K
Aug 2, 2023PSNLCFO and COOSale662$1.5K
Jun 21, 2023PSNLCFO and COOSale6.9K$14.3K
May 19, 2023PSNLCFO and COOSale1.4K$2.8K
Mar 21, 2023PSNLCFO and COOSale3.9K$11.2K
Feb 2, 2023PSNLChief Financial OfficerSale767$1.7K
Dec 22, 2022PSNLChief Financial OfficerSale3.8K$7.4K
Dec 19, 2022PSNLChief Financial OfficerSale7.2K$17.9K
Dec 6, 2022PSNLChief Financial OfficerSale4.4K$11.3K

Showing the 25 most recent filings of 51. Screen every filing.

Aaron Tachibana insider trading FAQ

Is Aaron Tachibana buying or selling?

Across 51 SEC Form 4 filings, Aaron Tachibana reported 0 open-market purchases totaling $0 and 51 sales totaling $4.3M — a net selling position of $4.3M.

Which companies does Aaron Tachibana file Form 4s for?

Aaron Tachibana has reported insider transactions at 2 companies, most often Personalis, Inc. (PSNL), Lumentum Holdings Inc. (LITE).

How far back does Aaron Tachibana's filing history go?

Trabud holds Aaron Tachibana's SEC Form 4 filings from Feb 22, 2018 – Jun 29, 2026, sourced directly from SEC EDGAR.

Where does Trabud get Aaron Tachibana'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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