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Insider · CIK 0001703031

Bain Capital Life Sciences Investors, LLC

CIK 0001703031 Name as filed on the most recent filing

Filed as Bain Capital Life Sciences Investors, LLC (20)

30 transaction lines · from 20 filings · filed 2017-12-19 to 2026-04-30 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 2026-08-20 05:22 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 2026-08-20 05:22 UTC.

Transactions filed by this insider
Direction Date Issuer Code Shares Price Value USD Filing
2026-04-30 Heartflow, Inc.
HTFL 		S, Open-market sale 892,533 disposed 29.18 26,044,112.94 Form 4, filing 0001193125-26-198593
2026-04-30 Heartflow, Inc.
HTFL 		S, Open-market sale 56,224 disposed 30.05 1,689,531.20 Form 4, filing 0001193125-26-198593
2026-04-29 Heartflow, Inc.
HTFL 		S, Open-market sale 797,133 disposed 29.37 23,411,796.21 Form 4, filing 0001193125-26-198593
2026-04-28 Heartflow, Inc.
HTFL 		S, Open-market sale 254,110 disposed 30.51 7,752,896.10 Form 4, filing 0001193125-26-198593
2026-04-20 Kailera Therapeutics, Inc.
KLRA 		P, Open-market purchase 1,562,500 acquired 16.00 25,000,000.00 Form 4, filing 0001193125-26-164389
2026-02-04 Heartflow, Inc.
HTFL 		S, Open-market sale 2,000,000 disposed 28.05 56,100,000.00 Form 4, filing 0001193125-26-041349
2025-02-19 Solid Biosciences Inc.
SLDB 		P, Open-market purchase 1,000,000 acquired 4.03 4,030,000.00 Form 4, filing 0000950170-25-025011
2025-01-08 Olema Pharmaceuticals, Inc.
OLMA 		P, Open-market purchase 300,000 acquired 5.76 1,727,370.00 Form 4, filing 0000950170-25-004870
2024-02-12 Kyverna Therapeutics, Inc.
KYTX 		P, Open-market purchase 450,000 acquired 22.00 9,900,000.00 Form 4, filing 0000950170-24-015358
2023-05-25 Annexon, Inc.
ANNX 		P, Open-market purchase 300,000 acquired 2.13 639,720.00 Form 4, filing 0000899243-23-014139
2021-12-10 Xilio Therapeutics, Inc.
XLO 		P, Open-market purchase 21,812 acquired 9.56 208,564.16 Form 4, filing 0000899243-21-047829
2021-12-10 Xilio Therapeutics, Inc.
XLO 		P, Open-market purchase 3,188 acquired 10.24 32,638.11 Form 4, filing 0000899243-21-047829
2021-12-09 Xilio Therapeutics, Inc.
XLO 		P, Open-market purchase 4,011 acquired 9.84 39,485.09 Form 4, filing 0000899243-21-047829
2021-12-08 Xilio Therapeutics, Inc.
XLO 		P, Open-market purchase 13,458 acquired 9.62 129,474.03 Form 4, filing 0000899243-21-047829
2021-08-10 SpringWorks Therapeutics, Inc.
SWTX 		S, Open-market sale 1,000,000 disposed 70.25 70,250,000.00 Form 4, filing 0000899243-21-032893
2021-07-19 Rapid Micro Biosystems, Inc.
RPID 		P, Open-market purchase 100,000 acquired 20.00 2,000,000.00 Form 4, filing 0000899243-21-029222
2021-03-09 SpringWorks Therapeutics, Inc.
SWTX 		S, Open-market sale 1,450,000 disposed 71.50 103,675,000.00 Form 4, filing 0000899243-21-011153
2020-10-26 Aptinyx Inc.
APTX 		P, Open-market purchase 3,333,333 acquired 3.00 9,999,999.00 Form 4, filing 0000899243-20-029321
2020-07-28 Annexon, Inc.
ANNX 		P, Open-market purchase 400,000 acquired 17.00 6,800,000.00 Form 4, filing 0000899243-20-020554
2020-02-04 Arcutis Biotherapeutics, Inc.
ARQT 		P, Open-market purchase 294,117 acquired 17.00 4,999,989.00 Form 4, filing 0000899243-20-003487
2019-11-19 Dicerna Pharmaceuticals Inc
DRNA 		S, Open-market sale 1,750,000 disposed 22.03 38,552,500.00 Form 4, filing 0000899243-19-027786
2019-09-17 SpringWorks Therapeutics, Inc.
SWTX 		P, Open-market purchase 150,000 acquired 18.00 2,700,000.00 Form 4, filing 0000899243-19-023936
2019-05-29 Dicerna Pharmaceuticals Inc
DRNA 		S, Open-market sale 1,600,000 disposed 12.50 20,000,000.00 Form 4, filing 0000899243-19-015281
2018-07-24 Replimune Group, Inc.
REPL 		P, Open-market purchase 500,000 acquired 15.00 7,500,000.00 Form 4, filing 0000899243-18-020659
2017-12-19 Marinus Pharmaceuticals Inc
MRNS 		S, Open-market sale 94,771 disposed 7.62 722,240.31 Form 4, filing 0000899243-17-029256
2017-12-19 Marinus Pharmaceuticals Inc
MRNS 		S, Open-market sale 55,229 disposed 7.11 392,429.66 Form 4, filing 0000899243-17-029256
2017-12-18 Dicerna Pharmaceuticals Inc
DRNA 		P, Open-market purchase 285,000 acquired 7.00 1,995,000.00 Form 4, filing 0000899243-17-029183
2017-12-18 Marinus Pharmaceuticals Inc
MRNS 		S, Open-market sale 300,000 disposed 7.50 2,251,440.00 Form 4, filing 0000899243-17-029256
2017-12-15 Marinus Pharmaceuticals Inc
MRNS 		S, Open-market sale 719,665 disposed 8.02 5,770,202.00 Form 4, filing 0000899243-17-029256
2017-12-15 Marinus Pharmaceuticals Inc
MRNS 		S, Open-market sale 102,882 disposed 8.64 888,488.95 Form 4, filing 0000899243-17-029256

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. 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. Bain Capital Life Sciences Investors, LLC, insider transactions. Retrieved 2026-08-20 from https://ebomi.com/insider/0001703031

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.