Douglas Kerr

Companies

• Dyne Therapeutics, Inc.Chief Medical Officer Sep 3, 2024 to now¹
• Generation Bio Co.Chief Development Officer Jun 11, 2020 to Jan 31, 2024²

Holdings

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

Shares held

• DTDyne Therapeutics, Inc. DYN162,564 shares³$2.4M at $14.99Sep 8, 2026
• GBGeneration Bio Co.385,628 shares⁴Jan 29, 2024

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

Recent filings

• Sep 8, 2026Sold 1,290 shares at $18.88 of Dyne Therapeutics, Inc.³
• Sep 4, 2026Sold 3,745 shares at $24.35 of Dyne Therapeutics, Inc.³
• Aug 13, 2026Sold 1,556 shares at $26.28 of Dyne Therapeutics, Inc.⁵
• Jun 16, 2026Sold 887 shares at $18.33 of Dyne Therapeutics, Inc.⁶
• May 13, 2026Sold 1,564 shares at $18.36 of Dyne Therapeutics, Inc.⁷
• Mar 5, 2026Sold 904 shares at $14.90 of Dyne Therapeutics, Inc.⁸
• Feb 12, 2026Granted 85,000 shares of Dyne Therapeutics, Inc.⁹
• Dec 5, 2025Sold 880 shares at $20.72 of Dyne Therapeutics, Inc.¹⁰
• Sep 5, 2025Sold 873 shares at $13.41 of Dyne Therapeutics, Inc.¹¹
• Sep 4, 2025Sold 3,552 shares at $13.27 of Dyne Therapeutics, Inc.¹¹
• Jun 5, 2025Sold 1,342 shares at $13.35 of Dyne Therapeutics, Inc.¹²
• Mar 5, 2025Sold 1,343 shares at $11.83 of Dyne Therapeutics, Inc.¹³
• Dec 4, 2024Granted 48,000 shares of Dyne Therapeutics, Inc.¹⁴
• Sep 3, 2024Granted 47,500 shares of Dyne Therapeutics, Inc.¹⁵
• Jan 29, 2024Shares withheld for tax 1,476 shares at $1.90 of Generation Bio Co.⁴
• Jan 29, 2024Exercised options 5,021 shares of Generation Bio Co.⁴
• Jan 15, 2024Shares withheld for tax 2,320 shares at $1.91 of Generation Bio Co.¹⁶
• Jan 15, 2024Exercised options 6,694 shares of Generation Bio Co.¹⁶
• Jan 15, 2024Shares withheld for tax 2,577 shares at $1.91 of Generation Bio Co.¹⁶
• Jan 15, 2024Exercised options 7,437 shares of Generation Bio Co.¹⁶
• Oct 15, 2023Shares withheld for tax 2,183 shares at $3.24 of Generation Bio Co.¹⁷
• Oct 15, 2023Exercised options 7,437 shares of Generation Bio Co.¹⁷
• Jul 15, 2023Shares withheld for tax 2,183 shares at $5.08 of Generation Bio Co.¹⁸
• Jul 15, 2023Exercised options 7,437 shares of Generation Bio Co.¹⁸
• Apr 15, 2023Shares withheld for tax 2,183 shares at $4.50 of Generation Bio Co.¹⁹