WaveMan · Form 4
George Simeon insider trades
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George Simeon insider trades

George Simeon has filed 24 Form 4s with the SEC that we hold, for CRISPR Therapeutics AG (CRSP) (Director), Nkarta, Inc. (NKTX) (Director), Design Therapeutics, Inc. (DSGN) (Director, 10% owner) and ADARx Pharmaceuticals, Inc. (ADRX) (Director, 10% owner), among 7 companies in all. Across all of them we count 17 purchases worth $136.2M and 3 sales worth $32.0K reported on Form 4. In the last 12 months: 7 purchases ($37.1M) and 3 sales ($32.0K). The largest single trade was a purchase of 960,983 shares of CRISPR Therapeutics AG worth $50.0M, dated 2025-07-16. The first filing on our record is dated 2022-04-29 and the latest 2026-09-29.

CRISPR Therapeutics AG (CRSP)

Director · 7 filings · 3 purchases and sales
Trade dateCodeSharesValue as filedFiled
2025-07-16P, purchase reported on Form 422,319$1.2M2025-07-17
2025-07-16P, purchase reported on Form 4960,983$50.0M2025-07-17
2025-07-16P, purchase reported on Form 46,510$338.7K2025-07-17

Nkarta, Inc. (NKTX)

Director · 7 filings · 4 purchases and sales
Trade dateCodeSharesValue as filedFiled
2022-04-28P, purchase reported on Form 4666,666$10.0M2022-04-29
2022-04-28P, purchase reported on Form 4666,667$10.0M2022-04-29
2024-03-27P, purchase reported on Form 41,548,341$15.5M2024-03-28
2024-03-27P, purchase reported on Form 4451,659$4.5M2024-03-28

Design Therapeutics, Inc. (DSGN)

Director, 10% owner · 6 filings · 3 purchases and sales
Trade dateCodeSharesValue as filedFiled
2022-12-16P, purchase reported on Form 4500,000$4.1M2022-12-20
2022-12-19P, purchase reported on Form 4360,000$3.1M2022-12-20
2022-12-20P, purchase reported on Form 440,000$325.6K2022-12-20

ADARx Pharmaceuticals, Inc. (ADRX)

Director, 10% owner · 1 filing · 2 purchases and sales
Trade dateCodeSharesValue as filedFiled
2026-09-28P, purchase reported on Form 4592,593$10.1M2026-09-29
2026-09-28P, purchase reported on Form 4414,814$7.1M2026-09-29

Avalyn Pharma Inc. (AVLN)

10% owner · 1 filing · 2 purchases and sales
Trade dateCodeSharesValue as filedFiled
2026-05-01P, purchase reported on Form 4277,777$5.0M2026-05-01
2026-05-01P, purchase reported on Form 4277,778$5.0M2026-05-01

Odyssey Therapeutics, Inc. (ODTX)

10% owner · 1 filing · 6 purchases and sales
Trade dateCodeSharesValue as filedFiled
2026-05-11P, purchase reported on Form 4200,000$3.6M2026-05-11
2026-05-11S, sale reported on Form 41,065$19.2K2026-05-11
2026-05-11P, purchase reported on Form 4222,222$4.0M2026-05-11
2026-05-11S, sale reported on Form 4277$5.0K2026-05-11
2026-05-11P, purchase reported on Form 4133,333$2.4M2026-05-11
2026-05-11S, sale reported on Form 4438$7.9K2026-05-11

TPTX

Director · 1 filing · 0 purchases and sales

No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.

Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1595117) 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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