Insider · CIK 0001346986

MPM Asset Management Investors 2005 Bviii LLC

CIK 0001346986 Name as filed on the most recent filing

Filed as MPM Asset Management Investors 2005 Bviii LLC (15)

27 transaction lines · from 15 filings · filed 2005-12-22 to 2012-07-10 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
2012-07-09 S, Open-market sale Somaxon Pharmaceuticals, Inc.SOMX 498,744, disposed Open Form 4 filing 0001209191-12-037740
2012-07-06 S, Open-market sale Somaxon Pharmaceuticals, Inc.SOMX 195,324, disposed Open Form 4 filing 0001209191-12-037740
2012-07-02 S, Open-market sale Somaxon Pharmaceuticals, Inc.SOMX 2 lines 51,782, disposed Open Form 4 filing 0001209191-12-037230
2012-06-28 S, Open-market sale Somaxon Pharmaceuticals, Inc.SOMX 5,655, disposed Open Form 4 filing 0001209191-12-036057
2012-06-19 S, Open-market sale Somaxon Pharmaceuticals, Inc.SOMX 3,480, disposed Open Form 4 filing 0001209191-12-034922
2012-06-15 S, Open-market sale Somaxon Pharmaceuticals, Inc.SOMX 421, disposed Open Form 4 filing 0001209191-12-034488
2012-06-06 S, Open-market sale Somaxon Pharmaceuticals, Inc.SOMX 2,436, disposed Open Form 4 filing 0001209191-12-032790
2012-06-05 S, Open-market sale Somaxon Pharmaceuticals, Inc.SOMX 8,571, disposed Open Form 4 filing 0001209191-12-032790
2012-05-31 S, Open-market sale Somaxon Pharmaceuticals, Inc.SOMX 8,955, disposed Open Form 4 filing 0001209191-12-031975
2012-05-30 S, Open-market sale Somaxon Pharmaceuticals, Inc.SOMX 15,302, disposed Open Form 4 filing 0001209191-12-031975
2012-05-29 S, Open-market sale Somaxon Pharmaceuticals, Inc.SOMX 4,622, disposed Open Form 4 filing 0001209191-12-031975
2012-05-25 S, Open-market sale Somaxon Pharmaceuticals, Inc.SOMX 87,905, disposed Open Form 4 filing 0001209191-12-031975
2012-05-23 S, Open-market sale Somaxon Pharmaceuticals, Inc.SOMX 40,629, disposed Open Form 4 filing 0001209191-12-031975
2012-05-22 S, Open-market sale Somaxon Pharmaceuticals, Inc.SOMX 86,990, disposed Open Form 4 filing 0001209191-12-031975
2009-11-09 S, Open-market sale Poniard Pharmaceuticals, Inc.PARD 1,292,442, disposed Open Form 4 filing 0001209191-09-051752
2009-11-06 S, Open-market sale Poniard Pharmaceuticals, Inc.PARD 2,132,560, disposed Open Form 4 filing 0001209191-09-051752
2009-11-05 S, Open-market sale Poniard Pharmaceuticals, Inc.PARD 626,292, disposed Open Form 4 filing 0001209191-09-051752
2009-07-08 P, Open-market purchase Somaxon Pharmaceuticals, Inc.SOMX 1,340,423, acquired Open Form 4 filing 0001209191-09-036127
2007-05-08 S, Open-market sale Somaxon Pharmaceuticals, Inc.SOMX 1,329,317, disposed Open Form 4 filing 0001209191-07-029282
2007-05-04 S, Open-market sale Somaxon Pharmaceuticals, Inc.SOMX 68,400, disposed Open Form 4 filing 0001209191-07-028679
2007-05-02 S, Open-market sale Somaxon Pharmaceuticals, Inc.SOMX 12,170, disposed Open Form 4 filing 0001209191-07-027721
2007-05-01 S, Open-market sale Somaxon Pharmaceuticals, Inc.SOMX 576,968, disposed Open Form 4 filing 0001209191-07-027721
2007-04-30 P, Open-market purchase Poniard Pharmaceuticals, Inc.PARD 5,697,000, acquired Open Form 4 filing 0001209191-07-026598
2007-04-30 S, Open-market sale Somaxon Pharmaceuticals, Inc.SOMX 352,221, disposed Open Form 4 filing 0001209191-07-026589
2007-04-27 S, Open-market sale Somaxon Pharmaceuticals, Inc.SOMX 778,778, disposed Open Form 4 filing 0001209191-07-026589
2005-12-20 P, Open-market purchase Somaxon Pharmaceuticals, Inc.SOMX 3,498,000, acquired Open Form 4 filing 0001209191-05-065281

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.

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 2005 BVIII LLC, insider transactions. Retrieved 2026-08-22 from https://ebomi.com/insider/0001346986

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

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