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Insider · CIK 0001609495

MPM Asset Management Investors Bv2014 LLC

CIK 0001609495 Name as filed on the most recent filing

Filed as MPM Asset Management Investors Bv2014 LLC (44)

142 transaction lines · from 44 filings · filed 2019-02-14 to 2025-12-04 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.

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.

0 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
2021-04-15 S, Open-market sale Harpoon Therapeutics, Inc.HARP 21,555, disposed Open Form 4 filing 0001209191-21-026881
2021-04-14 S, Open-market sale Harpoon Therapeutics, Inc.HARP 2 lines 34,714, disposed Open Form 4 filing 0001209191-21-026881
2021-04-13 S, Open-market sale Harpoon Therapeutics, Inc.HARP 2 lines 37,806, disposed Open Form 4 filing 0001209191-21-026881
2021-04-12 S, Open-market sale Harpoon Therapeutics, Inc.HARP 3 lines 52,460, disposed Open Form 4 filing 0001209191-21-026429
2021-04-09 S, Open-market sale iTeos Therapeutics, Inc.ITOS 3,569, disposed Open Form 4 filing 0001209191-21-026437
2021-04-09 S, Open-market sale Harpoon Therapeutics, Inc.HARP 243,801, disposed Open Form 4 filing 0001209191-21-026429
2021-04-08 S, Open-market sale iTeos Therapeutics, Inc.ITOS 2 lines 589,089, disposed Open Form 4 filing 0001209191-21-026213
2021-04-07 S, Open-market sale iTeos Therapeutics, Inc.ITOS 3 lines 188,254, disposed Open Form 4 filing 0001209191-21-026213
2021-02-10 S, Open-market sale Harpoon Therapeutics, Inc.HARP 3,661,020, disposed Open Form 4 filing 0001209191-21-010209
2021-02-09 S, Open-market sale Harpoon Therapeutics, Inc.HARP 190,350, disposed Open Form 4 filing 0001209191-21-008935
2021-02-08 S, Open-market sale Harpoon Therapeutics, Inc.HARP 1,445,445, disposed Open Form 4 filing 0001209191-21-008935
2021-02-05 S, Open-market sale Harpoon Therapeutics, Inc.HARP 203,542, disposed Open Form 4 filing 0001209191-21-008935
2021-02-04 S, Open-market sale Harpoon Therapeutics, Inc.HARP 605,600, disposed Open Form 4 filing 0001209191-21-007900
2021-02-03 S, Open-market sale Harpoon Therapeutics, Inc.HARP 847,244, disposed Open Form 4 filing 0001209191-21-007900
2021-02-02 S, Open-market sale Harpoon Therapeutics, Inc.HARP 974,715, disposed Open Form 4 filing 0001209191-21-007900
2021-01-27 S, Open-market sale Harpoon Therapeutics, Inc.HARP 14,136,500, disposed Open Form 4 filing 0001209191-21-005787
2021-01-26 S, Open-market sale Harpoon Therapeutics, Inc.HARP 28,732, disposed Open Form 4 filing 0001209191-21-005787
2021-01-25 S, Open-market sale Harpoon Therapeutics, Inc.HARP 276,117, disposed Open Form 4 filing 0001209191-21-005787
2021-01-22 S, Open-market sale Harpoon Therapeutics, Inc.HARP 536,375, disposed Open Form 4 filing 0001209191-21-004983
2021-01-21 S, Open-market sale Harpoon Therapeutics, Inc.HARP 3 lines 579,095, disposed Open Form 4 filing 0001209191-21-004983
2021-01-20 S, Open-market sale Harpoon Therapeutics, Inc.HARP 2 lines 425,291, disposed Open Form 4 filing 0001209191-21-004983
2020-10-06 P, Open-market purchase Oncorus, Inc.ONCR 2,606,640, acquired Open Form 4 filing 0001209191-20-054324
2020-07-28 P, Open-market purchase iTeos Therapeutics, Inc.ITOS 6 lines 3,040,000, acquired Open Form 4 filing 0000899243-20-020683
2020-06-23 P, Open-market purchase Repare Therapeutics Inc.RPTX 5,000,000, acquired Open Form 4 filing 0001209191-20-038917
2019-02-19 P, Open-market purchase Tcr2 Therapeutics Inc.TCRR 10,599,990, acquired Open Form 4 filing 0001209191-19-012243
2019-02-12 S, Open-market sale Harpoon Therapeutics, Inc.HARP 21,336, disposed Open Form 4 filing 0001209191-19-010312
2019-02-12 P, Open-market purchase Harpoon Therapeutics, Inc.HARP 3,500,000, acquired Open Form 4 filing 0001209191-19-010312

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

No transaction line is stored for this entity, so there is nothing to break down by code. The catalog holds its filings; what it does not hold is a single reportable line from them, which is a fact about the parse and about these filings, not about the entity.

How to cite this page

ebomi catalog. MPM Asset Management Investors BV2014 LLC, insider transactions. Retrieved 2026-08-24 from https://ebomi.com/insider/0001609495

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.