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Insider · CIK 0001384859

Kolchinsky Peter

CIK 0001384859 Name as filed on the most recent filing

Filed as Kolchinsky Peter (248)

1,080 transaction lines · from 248 filings · filed 2006-12-29 to 2026-08-14 The span is the filing dates this catalog holds, not the entity's full filing history. Absence here is not evidence of absence at the SEC.

How this page attributes a trade

A line appears here when the filing that carries it names this CIK as a reporting owner, not only when the parser picked this CIK as the line's primary owner. That is why a joint filing appears on both owners' pages rather than vanishing from the second one. The catalog never merges two CIKs into one person and never splits one CIK into two: identity here is the SEC's own identifier and nothing else.

01

Issuers this insider has filed against

Ordered by last-seen filing date, newest first. Roles are as filed on the Form 4 and are not normalised. The 40 most recent are shown; the catalog may hold more for this insider.

Fault

This container could not be filled from the store. It is showing nothing because a read failed, not because no insider filed: those are different facts and this catalog will not let one stand in for the other. The last ingest the store recorded was 2026-08-22 05:23 UTC.

No issuer is recorded

The catalog holds no filing linking this CIK to an issuer.

02

Transactions

Every stored Form 4 line naming this reporting owner, newest transaction date first. Each row links to the filing it came from.

11 transactions · Newest transaction date first, id breaking the tie.

Fault

This container could not be filled from the store. It is showing nothing because a read failed, not because no insider filed: those are different facts and this catalog will not let one stand in for the other. The last ingest the store recorded was 2026-08-22 05:23 UTC.

Transactions filed by this insider
Direction Date Code Company Value USD Filing
2025-10-24 S, Open-market sale Sionna Therapeutics, Inc.SION 557,582, disposed Open Form 4 filing 0001231919-25-000364
2025-10-23 S, Open-market sale Vor Biopharma Inc.VOR 2,153,409, disposed Open Form 4 filing 0001231919-25-000359
2025-10-21 S, Open-market sale Vor Biopharma Inc.VOR 703,509, disposed Open Form 4 filing 0001231919-25-000342
2025-10-20 S, Open-market sale Vor Biopharma Inc.VOR 4 lines 2,730,483, disposed Open Form 4 filing 0001231919-25-000342
2025-10-17 S, Open-market sale Vor Biopharma Inc.VOR 6 lines 7,667,444, disposed Open Form 4 filing 0001231919-25-000333
2025-10-16 S, Open-market sale Vor Biopharma Inc.VOR 6 lines 4,470,604, disposed Open Form 4 filing 0001231919-25-000333
2025-10-15 S, Open-market sale Vor Biopharma Inc.VOR 4 lines 1,569,313, disposed Open Form 4 filing 0001231919-25-000333
2025-09-26 P, Open-market purchase PepGen Inc.PEPG 30,000,000, acquired Open Form 4 filing 0001231919-25-000265
2025-09-04 P, Open-market purchase Mineralys Therapeutics, Inc.MLYS 29,999,985, acquired Open Form 4 filing 0001415889-25-023893
2025-06-26 P, Open-market purchase Cidara Therapeutics, Inc.CDTX 99,999,988, acquired Open Form 4 filing 0001415889-25-018516
2025-06-16 P, Open-market purchase Tyra Biosciences, Inc.TYRA 119,666, acquired Open Form 4 filing 0001415889-25-017446
2025-06-13 P, Open-market purchase Tyra Biosciences, Inc.TYRA 1,225,703, acquired Open Form 4 filing 0001415889-25-017446
2025-06-12 P, Open-market purchase Tyra Biosciences, Inc.TYRA 319,331, acquired Open Form 4 filing 0001415889-25-017446
2025-06-09 P, Open-market purchase Tyra Biosciences, Inc.TYRA 1,904,002, acquired Open Form 4 filing 0001415889-25-016759
2025-06-05 P, Open-market purchase Tyra Biosciences, Inc.TYRA 2,141,873, acquired Open Form 4 filing 0001415889-25-015998
2025-06-04 P, Open-market purchase Tyra Biosciences, Inc.TYRA 9,609,430, acquired Open Form 4 filing 0001415889-25-015998
2025-05-14 P, Open-market purchase Werewolf Therapeutics, Inc.HOWL 159,288, acquired Open Form 4 filing 0001415889-25-012942
2025-05-13 P, Open-market purchase Werewolf Therapeutics, Inc.HOWL 51,915, acquired Open Form 4 filing 0001415889-25-012942
2025-05-12 P, Open-market purchase Werewolf Therapeutics, Inc.HOWL 275,985, acquired Open Form 4 filing 0001415889-25-012942
2025-03-13 P, Open-market purchase Mineralys Therapeutics, Inc.MLYS 17,499,996, acquired Open Form 4 filing 0001415889-25-008257
2025-03-07 P, Open-market purchase Janux Therapeutics, Inc.JANX 3,418,590, acquired Open Form 4 filing 0001415889-25-007443
2025-03-06 P, Open-market purchase Janux Therapeutics, Inc.JANX 11,453,023, acquired Open Form 4 filing 0001415889-25-007443
2025-03-05 P, Open-market purchase Janux Therapeutics, Inc.JANX 2 lines 10,471,352, acquired Open Form 4 filing 0001415889-25-007443
2025-02-10 P, Open-market purchase Sionna Therapeutics, Inc.SION 2 lines 20,250,000, acquired Open Form 4 filing 0001415889-25-003504
2025-01-30 P, Open-market purchase 89bio, Inc.ETNB 49,999,994, acquired Open Form 4 filing 0001415889-25-002760
2024-11-08 P, Open-market purchase Tyra Biosciences, Inc.TYRA 19,836,066, acquired Open Form 4 filing 0001415889-24-026718
2024-10-28 P, Open-market purchase Septerna, Inc.SEPN 2 lines 75,060,000, acquired Open Form 4 filing 0001415889-24-025781
2024-10-18 P, Open-market purchase Janux Therapeutics, Inc.JANX 53,700,000, acquired Open Form 4 filing 0001415889-24-025502
2024-09-16 P, Open-market purchase Bicara Therapeutics Inc.BCAX 2 lines 32,994,000, acquired Open Form 4 filing 0001415889-24-023653
2024-08-09 S, Open-market sale An2 Therapeutics, Inc.ANTX 3,683,162, disposed Open Form 4 filing 0001415889-24-021199

This column is intentionally blank

No transaction line is stored for this reporting owner, though the catalog holds filings naming them. That happens when the filings report only holdings or only positions the store does not carry, and when a parse failed; each filing page states its own parse status.

Search the catalog
Codes on this page
S, Open-market sale
Open-market sale
P, Open-market purchase
Open-market purchase

Every value is as reported on the Form 4, totalled to the dollar. Share counts, the price per share and the full list of reporting owners are on each filing's own page, which every row here opens. A row marked n lines adds up that many filed lines of one filing, on one day, on one side of the market; a filing whose lines fall across two pages is left as its lines on both, so no total here is ever short.

What this insider's stored lines contain

Exact counts over every stored line for this entity. This is a statement of composition, not a filter: the only filter this page offers is the open-market one above, because that is the only one an index serves today.

  • Open-market purchase 2
  • Open-market sale 9
  • Option exercise 0
  • Grant or award 0
  • Tax withholding 0
  • Disposition to the issuer 0
  • In-the-money option exercise 0

How to cite this page

ebomi catalog. Kolchinsky Peter, insider transactions. Retrieved 2026-08-25 from https://ebomi.com/insider/0001384859

Balogh, A. Insider trading. Scientific Data 10, 237 (2023) doi:10.1038/s41597-023-02147-6

This page as JSON The JSON twin is shaped by the same read model as this page, so the two cannot disagree. Its envelope carries the canonical URL, the retrieval time, the coverage claim, and the licence statement.