WaveMan · Form 4
Kolchinsky Peter insider trades
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Kolchinsky Peter insider trades

Kolchinsky Peter has filed 63 Form 4s with the SEC that we hold, for Vor Biopharma Inc. (VOR) (Director, 10% owner), Climb Bio, Inc. (CLYM) (Director, 10% owner), CDTX (Director, 10% owner) and ETNB (Director, 10% owner), among 29 companies in all. Across all of them we count 34 purchases worth $628.9M and 28 sales worth $26.7M reported on Form 4. In the last 12 months: 6 purchases ($5.5M) and 27 sales ($26.3M). The largest single trade was a purchase of 2,272,727 shares of CDTX worth $100.0M, dated 2025-06-26. The first filing on our record is dated 2021-07-29 and the latest 2026-06-30.

Vor Biopharma Inc. (VOR)

Director, 10% owner · 7 filings · 9 purchases and sales
Trade dateCodeSharesValue as filedFiled
2025-10-28S, sale reported on Form 436,483$1.0M2025-10-30
2025-10-28S, sale reported on Form 487,828$2.4M2025-10-30
2025-10-29S, sale reported on Form 4251,518$6.3M2025-10-30
2025-10-30S, sale reported on Form 424,579$617.4K2025-10-30
2026-04-02S, sale reported on Form 41,525$29.1K2026-04-06
2026-04-02S, sale reported on Form 4258,475$4.7M2026-04-06
2026-04-06S, sale reported on Form 444,728$774.2K2026-04-06
2026-04-06S, sale reported on Form 46,775$125.3K2026-04-06
2026-04-06S, sale reported on Form 4537,754$8.9M2026-04-06

Climb Bio, Inc. (CLYM)

Director, 10% owner · 5 filings · 4 purchases and sales
Trade dateCodeSharesValue as filedFiled
2024-06-27P, purchase reported on Form 411,949,171$45.9M2024-07-01
2024-06-27P, purchase reported on Form 41,059,375$4.1M2024-07-01
2025-12-11P, purchase reported on Form 4213,099$464.6K2025-12-15
2025-12-12P, purchase reported on Form 4101,462$290.2K2025-12-15

CDTX

Director, 10% owner · 4 filings · 1 purchase or sale
Trade dateCodeSharesValue as filedFiled
2025-06-26P, purchase reported on Form 42,272,727$100.0M2025-06-30

ETNB

Director, 10% owner · 4 filings · 2 purchases and sales
Trade dateCodeSharesValue as filedFiled
2024-03-04P, purchase reported on Form 41,350,000$20.7M2024-03-06
2025-01-30P, purchase reported on Form 45,714,285$50.0M2025-02-03

PepGen Inc. (PEPG)

Director, 10% owner · 4 filings · 3 purchases and sales
Trade dateCodeSharesValue as filedFiled
2022-05-10P, purchase reported on Form 42,979,451$35.8M2022-05-12
2022-05-10P, purchase reported on Form 4249,749$3.0M2022-05-12
2024-02-09P, purchase reported on Form 42,557,593$27.2M2024-02-13

ARS Pharmaceuticals, Inc. (SPRY)

Director, 10% owner · 3 filings · 0 purchases and sales

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

DICE

Director, 10% owner · 3 filings · 3 purchases and sales
Trade dateCodeSharesValue as filedFiled
2021-09-17P, purchase reported on Form 41,322,422$22.5M2021-09-20
2021-09-17P, purchase reported on Form 477,578$1.3M2021-09-20
2022-10-17P, purchase reported on Form 41,640,000$59.9M2022-10-19

Werewolf Therapeutics, Inc. (HOWL)

10% owner · 3 filings · 6 purchases and sales
Trade dateCodeSharesValue as filedFiled
2026-06-09S, sale reported on Form 4345,235$127.7K2026-06-11
2026-06-09S, sale reported on Form 424,565$9.1K2026-06-11
2026-06-10S, sale reported on Form 442,872$15.9K2026-06-11
2026-06-10S, sale reported on Form 43,051$1.1K2026-06-11
2026-06-11S, sale reported on Form 417,437$6.6K2026-06-11
2026-06-11S, sale reported on Form 4245,066$93.1K2026-06-11

Artiva Biotherapeutics, Inc. (ARTV)

Director, 10% owner · 2 filings · 5 purchases and sales
Trade dateCodeSharesValue as filedFiled
2024-07-22P, purchase reported on Form 47,645,007$91.7M2024-07-24
2024-07-22P, purchase reported on Form 4688,326$8.3M2024-07-24
2026-06-12P, purchase reported on Form 4391,019$3.4M2026-06-16
2026-06-15P, purchase reported on Form 415,414$138.6K2026-06-16
2026-06-16P, purchase reported on Form 4124,893$1.1M2026-06-16

Enliven Therapeutics, Inc. (ELVN)

Reporting owner · 2 filings · 3 purchases and sales
Trade dateCodeSharesValue as filedFiled
2022-10-17P, purchase reported on Form 4145,672$489.5K2022-10-19
2022-10-18P, purchase reported on Form 4234,799$882.8K2022-10-19
2022-10-19P, purchase reported on Form 4125,726$489.1K2022-10-19

Fulcrum Therapeutics, Inc. (FULC)

10% owner · 2 filings · 2 purchases and sales
Trade dateCodeSharesValue as filedFiled
2022-12-19P, purchase reported on Form 498,787$582.8K2022-12-21
2022-12-27P, purchase reported on Form 44,089$24.5K2022-12-29

ICVX

Director, 10% owner · 2 filings · 0 purchases and sales

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

Jade Biosciences, Inc. (JBIO)

10% owner · 2 filings · 0 purchases and sales

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

Janux Therapeutics, Inc. (JANX)

Director, 10% owner · 2 filings · 1 purchase or sale
Trade dateCodeSharesValue as filedFiled
2024-10-18P, purchase reported on Form 41,200,000$53.7M2024-10-22

Sionna Therapeutics, Inc. (SION)

Director, 10% owner · 2 filings · 12 purchases and sales
Trade dateCodeSharesValue as filedFiled
2025-11-20S, sale reported on Form 4150$6.0K2025-11-24
2025-11-20S, sale reported on Form 41,235$49.3K2025-11-24
2025-11-20S, sale reported on Form 4801$32.0K2025-11-24
2025-11-20S, sale reported on Form 4947$37.8K2025-11-24
2025-11-20S, sale reported on Form 496$3.9K2025-11-24
2025-11-20S, sale reported on Form 4512$20.7K2025-11-24
2025-11-20S, sale reported on Form 4604$24.5K2025-11-24
2025-11-20S, sale reported on Form 4788$31.9K2025-11-24
2025-11-21S, sale reported on Form 47,609$300.6K2025-11-24
2025-11-21S, sale reported on Form 41,210$47.8K2025-11-24
2025-11-21S, sale reported on Form 49,924$392.0K2025-11-24
2025-11-21S, sale reported on Form 46,440$254.4K2025-11-24

Solid Biosciences Inc. (SLDB)

10% owner · 2 filings · 0 purchases and sales

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

Tyra Biosciences, Inc. (TYRA)

Director, 10% owner · 2 filings · 2 purchases and sales
Trade dateCodeSharesValue as filedFiled
2025-06-04P, purchase reported on Form 4997,864$9.6M2025-06-06
2025-06-05P, purchase reported on Form 4213,334$2.1M2025-06-06

AN2 Therapeutics, Inc. (ANTX)

10% owner · 1 filing · 2 purchases and sales
Trade dateCodeSharesValue as filedFiled
2022-03-29P, purchase reported on Form 4115,613$1.7M2022-03-31
2022-03-29P, purchase reported on Form 41,551,053$23.3M2022-03-31

Acrivon Therapeutics, Inc. (ACRV)

Director, 10% owner · 1 filing · 0 purchases and sales

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

Acumen Pharmaceuticals, Inc. (ABOS)

Director, 10% owner · 1 filing · 0 purchases and sales

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

Boundless Bio, Inc. (BOLD)

10% owner · 1 filing · 2 purchases and sales
Trade dateCodeSharesValue as filedFiled
2024-04-02P, purchase reported on Form 415,625$250.0K2024-04-04
2024-04-02P, purchase reported on Form 4296,875$4.8M2024-04-04

Cytek Biosciences, Inc. (CTKB)

Director · 1 filing · 2 purchases and sales
Trade dateCodeSharesValue as filedFiled
2021-07-27P, purchase reported on Form 42,762,786$47.0M2021-07-29
2021-07-27P, purchase reported on Form 4187,214$3.2M2021-07-29

Hemab Therapeutics Holdings, Inc. (COAG)

10% owner · 1 filing · 1 purchase or sale
Trade dateCodeSharesValue as filedFiled
2026-05-12P, purchase reported on Form 46,387$159.0K2026-05-14

ITOS

Reporting owner · 1 filing · 0 purchases and sales

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

KALA BIO, Inc. (KALA)

10% owner · 1 filing · 1 purchase or sale
Trade dateCodeSharesValue as filedFiled
2022-05-26S, sale reported on Form 41,005,686$362.0K2022-05-26

Mineralys Therapeutics, Inc. (MLYS)

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.

STSA

Reporting owner · 1 filing · 0 purchases and sales

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

Septerna, Inc. (SEPN)

Director, 10% owner · 1 filing · 0 purchases and sales

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

Wave Life Sciences, Inc. (WVE)

Director, 10% owner · 1 filing · 1 purchase or sale
Trade dateCodeSharesValue as filedFiled
2023-12-11P, purchase reported on Form 41,000,000$5.0M2023-12-13
Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1384859) 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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