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Kerr Douglas insider trades
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Kerr Douglas insider trades

Kerr Douglas has filed 24 Form 4s with the SEC that we hold, for Dyne Therapeutics, Inc. (DYN) (Chief Medical Officer) and GBIO (CHIEF MEDICAL OFFICER). Across all of them we count 0 purchases worth $0 and 13 sales worth $414.4K reported on Form 4. In the last 12 months: 0 purchases ($0) and 7 sales ($233.1K). The largest single trade was a sale of 3,745 shares of Dyne Therapeutics, Inc. worth $91.2K, dated 2026-09-04. Of 2 sales filed since we began reading the 10b5-1 checkbox, 2 (100%) were marked as made under a 10b5-1 trading plan. The first filing on our record is dated 2021-07-12 and the latest 2026-09-08.

Dyne Therapeutics, Inc. (DYN)

Chief Medical Officer · 13 filings · 11 purchases and sales
Trade dateCodeSharesValue as filedFiled
2025-03-05S, sale reported on Form 41,343$15.9K2025-03-07
2025-06-05S, sale reported on Form 41,342$17.9K2025-06-06
2025-09-04S, sale reported on Form 43,552$47.1K2025-09-08
2025-09-05S, sale reported on Form 4873$11.7K2025-09-08
2025-12-05S, sale reported on Form 4880$18.2K2025-12-05
2026-03-05S, sale reported on Form 4904$13.5K2026-03-06
2026-05-13S, sale reported on Form 41,564$28.7K2026-05-14
2026-06-16S, sale reported on Form 4887$16.3K2026-06-17
2026-08-13S, sale reported on Form 41,556$40.9K2026-08-17
2026-09-04S, sale reported on Form 43,745$91.2K2026-09-08
2026-09-08S, sale reported on Form 41,290$24.4K2026-09-08

GBIO

CHIEF MEDICAL OFFICER · 11 filings · 2 purchases and sales
Trade dateCodeSharesValue as filedFiled
2021-07-08S, sale reported on Form 41,889$48.0K2021-07-12
2021-07-08S, sale reported on Form 41,629$40.7K2021-07-12
Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1814189) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-12 · For informational purposes only, not investment advice.
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