Phillip Samayoa

Companies

• Generation Bio Co.CHIEF STRATEGY OFFICER Sep 20, 2022 to now¹

Holdings

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

Shares held

• GBGeneration Bio Co.14,138 shares²Oct 15, 2025

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

Recent filings

• Oct 15, 2025Shares withheld for tax 34 shares at $6.71 of Generation Bio Co.²
• Oct 15, 2025Exercised options 114 shares of Generation Bio Co.²
• Jul 15, 2025Shares withheld for tax 337 shares at $0.43 of Generation Bio Co.³
• Jul 15, 2025Exercised options 1,147 shares of Generation Bio Co.³
• Apr 15, 2025Shares withheld for tax 337 shares at $0.37 of Generation Bio Co.⁴
• Apr 15, 2025Exercised options 1,147 shares of Generation Bio Co.⁴
• Jan 15, 2025Shares withheld for tax 398 shares at $0.89 of Generation Bio Co.⁵
• Jan 15, 2025Exercised options 1,147 shares of Generation Bio Co.⁵
• Oct 15, 2024Shares withheld for tax 337 shares at $2.42 of Generation Bio Co.⁶
• Oct 15, 2024Exercised options 1,147 shares of Generation Bio Co.⁶
• Jul 15, 2024Shares withheld for tax 337 shares at $2.93 of Generation Bio Co.⁷
• Jul 15, 2024Exercised options 1,147 shares of Generation Bio Co.⁷
• Apr 15, 2024Shares withheld for tax 337 shares at $3.70 of Generation Bio Co.⁸
• Apr 15, 2024Exercised options 1,147 shares of Generation Bio Co.⁸
• Jan 15, 2024Shares withheld for tax 1,590 shares at $1.91 of Generation Bio Co.⁹
• Jan 15, 2024Exercised options 4,587 shares of Generation Bio Co.⁹
• Jan 15, 2024Shares withheld for tax 1,430 shares at $1.91 of Generation Bio Co.⁹
• Jan 15, 2024Exercised options 4,125 shares of Generation Bio Co.⁹
• Jan 2, 2024Sold 2,445 shares at $1.62 of Generation Bio Co.¹⁰
• Oct 15, 2023Shares withheld for tax 1,211 shares at $3.24 of Generation Bio Co.¹¹
• Oct 15, 2023Exercised options 4,125 shares of Generation Bio Co.¹¹
• Jul 15, 2023Shares withheld for tax 1,211 shares at $5.08 of Generation Bio Co.¹²
• Jul 15, 2023Exercised options 4,125 shares of Generation Bio Co.¹²
• Jul 3, 2023Sold 3,116 shares at $5.29 of Generation Bio Co.¹³
• Apr 15, 2023Shares withheld for tax 1,211 shares at $4.50 of Generation Bio Co.¹⁴