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Insider · CIK 0001508053

Flagship Ventures 2007 General Partner LLC

CIK 0001508053 Name as filed on the most recent filing

Filed as Flagship Ventures 2007 General Partner LLC (10)

37 transaction lines · from 10 filings · filed 2013-03-27 to 2019-05-15 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 2026-08-21 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 2026-08-21 05:23 UTC.

Transactions filed by this insider
Direction Date Issuer Code Shares Price Value USD Filing
2019-05-13 Axcella Health Inc.
AXLA 		P, Open-market purchase 500,000 acquired 20.00 10,000,000.00 Form 4, filing 0001104659-19-029735
2016-09-23 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 41,178 disposed 3.10 127,651.80 Form 4, filing 0001012975-16-001507
2016-09-23 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 12,482 disposed 3.16 39,443.12 Form 4, filing 0001012975-16-001507
2016-09-23 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 10,293 disposed 3.10 31,908.30 Form 4, filing 0001012975-16-001507
2016-09-23 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 3,118 disposed 3.16 9,852.88 Form 4, filing 0001012975-16-001507
2016-09-22 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 188,367 disposed 3.17 597,123.39 Form 4, filing 0001012975-16-001507
2016-09-22 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 112,731 disposed 3.18 358,484.58 Form 4, filing 0001012975-16-001507
2016-09-22 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 47,090 disposed 3.17 149,275.30 Form 4, filing 0001012975-16-001507
2016-09-22 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 28,163 disposed 3.18 89,558.34 Form 4, filing 0001012975-16-001507
2016-09-21 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 258,214 disposed 3.75 968,302.50 Form 4, filing 0001012975-16-001505
2016-09-21 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 64,509 disposed 3.75 241,908.75 Form 4, filing 0001012975-16-001505
2016-09-20 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 43,139 disposed 3.39 146,241.21 Form 4, filing 0001012975-16-001505
2016-09-20 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 10,778 disposed 3.39 36,537.42 Form 4, filing 0001012975-16-001505
2016-09-19 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 7,761 disposed 3.31 25,688.91 Form 4, filing 0001012975-16-001505
2016-09-19 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 1,939 disposed 3.31 6,418.09 Form 4, filing 0001012975-16-001505
2016-09-15 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 2,145 disposed 4.16 8,923.20 Form 4, filing 0001012975-16-001503
2016-09-15 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 536 disposed 4.16 2,229.76 Form 4, filing 0001012975-16-001503
2016-09-14 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 35,209 disposed 4.18 147,173.62 Form 4, filing 0001012975-16-001503
2016-09-14 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 8,802 disposed 4.18 36,792.36 Form 4, filing 0001012975-16-001503
2016-09-07 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 52,985 disposed 4.51 238,962.35 Form 4, filing 0001012975-16-001495
2016-09-07 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 32,597 disposed 4.51 147,012.47 Form 4, filing 0001012975-16-001495
2016-09-07 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 8,145 disposed 4.51 36,733.95 Form 4, filing 0001012975-16-001495
2016-09-06 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 20,221 disposed 4.63 93,623.23 Form 4, filing 0001012975-16-001495
2016-09-06 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 12,441 disposed 4.63 57,601.83 Form 4, filing 0001012975-16-001495
2016-09-06 Eleven Biotherapeutics, Inc.
EBIO 		S, Open-market sale 3,108 disposed 4.63 14,390.04 Form 4, filing 0001012975-16-001495
2016-05-25 Seres Therapeutics, Inc.
MCRB 		S, Open-market sale 599,297 disposed 27.60 16,540,597.20 Form 4, filing 0001012975-16-001264
2016-05-25 Seres Therapeutics, Inc.
MCRB 		S, Open-market sale 320,562 disposed 27.60 8,847,511.20 Form 4, filing 0001012975-16-001264
2016-05-25 Seres Therapeutics, Inc.
MCRB 		S, Open-market sale 80,141 disposed 27.60 2,211,891.60 Form 4, filing 0001012975-16-001264
2014-02-11 Eleven Biotherapeutics, Inc.
EBIO 		P, Open-market purchase 214,095 acquired 10.00 2,140,950.00 Form 4, filing 0001181431-14-006845
2014-02-11 Eleven Biotherapeutics, Inc.
EBIO 		P, Open-market purchase 131,722 acquired 10.00 1,317,220.00 Form 4, filing 0001181431-14-006845
2014-02-11 Eleven Biotherapeutics, Inc.
EBIO 		P, Open-market purchase 32,912 acquired 10.00 329,120.00 Form 4, filing 0001181431-14-006845
2013-11-18 Receptos, Inc.
RCPT 		S, Open-market sale 20,300 disposed 24.09 489,027.00 Form 4, filing 0001181431-13-059544
2013-11-15 Receptos, Inc.
RCPT 		S, Open-market sale 54,000 disposed 24.20 1,306,800.00 Form 4, filing 0001181431-13-059544
2013-11-15 Receptos, Inc.
RCPT 		S, Open-market sale 904 disposed 25.10 22,690.40 Form 4, filing 0001181431-13-059544
2013-11-14 Receptos, Inc.
RCPT 		S, Open-market sale 155,583 disposed 25.03 3,894,242.49 Form 4, filing 0001181431-13-059544
2013-05-14 Receptos, Inc.
RCPT 		P, Open-market purchase 107,142 acquired 14.00 1,499,988.00 Form 4, filing 0001104659-13-041517
2013-03-25 Tetraphase Pharmaceuticals Inc
TTPH 		P, Open-market purchase 491,824 acquired 7.00 3,442,768.00 Form 4, filing 0001181431-13-019227

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
P, Open-market purchase
Open-market purchase
S, Open-market sale
Open-market sale

Every value is as reported on the Form 4. A price the filing did not report is marked Not reported and no value is computed from it. Codes outside the open market, drawn in grey behind a dashed rule, are compensation and administrative machinery rather than a decision to trade at the prevailing price.

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. Flagship Ventures 2007 General Partner LLC, insider transactions. Retrieved 2026-08-21 from https://ebomi.com/insider/0001508053

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.