Aaron Tachibana

Companies

• Personalis (United States)Chief operating officer Mar 17, 2023 to now¹
• Personalis (United States)Chief financial officer Jun 19, 2019 to now²
• Lumentum (United States)Chief financial officer Jul 16, 2015 to Aug 24, 2018³

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• PUPersonalis (United States) PSNL195,902 shares⁴$3.1M at $15.83Sep 18, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Sep 18, 2026Sold 2,931 shares at $16.22 of Personalis (United States)⁴
• Jun 29, 2026Sold 4,982 shares at $14.00 of Personalis (United States)⁵
• Jun 29, 2026Exercised options 4,982 shares at $5.32 of Personalis (United States)⁵
• Jun 26, 2026Sold 51,251 shares at $13.18 of Personalis (United States)⁶
• Jun 26, 2026Exercised options 22,419 shares at $5.32 of Personalis (United States)⁶
• Jun 26, 2026Exercised options 28,832 shares at $9.16 of Personalis (United States)⁶
• Jun 4, 2026Sold 40,000 shares at $12.01 of Personalis (United States)⁷
• Jun 4, 2026Exercised options 40,000 shares at $9.16 of Personalis (United States)⁷
• May 29, 2026Sold 38,799 shares at $11.58 of Personalis (United States)⁸
• May 29, 2026Exercised options 38,799 shares at $9.16 of Personalis (United States)⁸
• Mar 15, 2026Granted 34,375 shares of Personalis (United States)⁹
• Jan 22, 2026Sold 1,201 shares at $11.50 of Personalis (United States)¹⁰
• Jan 22, 2026Exercised options 1,201 shares at $9.16 of Personalis (United States)¹⁰
• Nov 25, 2025Sold 103,668 shares at $10.78 of Personalis (United States)¹¹
• Nov 25, 2025Exercised options 103,668 shares at $9.16 of Personalis (United States)¹¹
• Jul 28, 2025Sold 641 shares at $6.57 of Personalis (United States)¹²
• May 16, 2025Sold 1,291 shares at $4.95 of Personalis (United States)¹³
• Jan 28, 2025Sold 708 shares at $5.79 of Personalis (United States)¹⁴
• Dec 16, 2024Sold 6,865 shares at $3.82 of Personalis (United States)¹⁵
• Nov 18, 2024Sold 1,307 shares at $3.79 of Personalis (United States)¹⁶
• Jul 30, 2024Sold 742 shares at $2.97 of Personalis (United States)¹⁷
• Jun 17, 2024Sold 7,176 shares at $1.29 of Personalis (United States)¹⁸
• May 17, 2024Sold 1,333 shares at $1.38 of Personalis (United States)¹⁹
• Jan 29, 2024Sold 716 shares at $1.37 of Personalis (United States)²⁰
• Dec 15, 2023Sold 6,747 shares at $1.47 of Personalis (United States)²¹