Bain Capital Life Sciences Investors, LLC is an investment firm that reports beneficial ownership of shares in RAPID MICRO BIOSYSTEMS, INC. (RPID) and 3 other companies under U.S. securities law. It has submitted 6 SEC insider filings since 2024, most recently in May 2026.
Every role Bain Capital Life Sciences Investors, LLC has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
RAPID MICRO BIOSYSTEMS, INC. (RPID)1 filingHeartflow, Inc. (HTFL)3 filingsKailera Therapeutics, Inc. (KLRA)1 filingNewAmsterdam Pharma Co N.V. (NAMS)1 filingUpdated Aug 30, 2026
Bain Capital Life Sciences Investors, LLC files SEC Form 4 reports at RAPID MICRO BIOSYSTEMS, INC. (RPID). 6 SEC Form 4 filings on record going back to 2024, most recently on 22 May 2026. Most recent open-market trade: sold $1.69M of HTFL on 1 May 2026. Lifetime open-market purchases: $65.00M. Lifetime open-market sales: $115.00M.
Every recent SEC Form 4 transaction Bain Capital Life Sciences Investors, LLC has reported, most recent first.
InsiderAlpha's records for Bain Capital Life Sciences Investors, LLC go back to 2024: 6 primary Form 4 filings, an average of 2.0 per year. The typical open-market purchase is $13.00M (5 buys totaling $65.00M). The largest single buy on record is $40.00M of NAMS in 2024. Sales side: 5 recorded sales totaling $115.00M, so the filing history runs sell-heavy by dollar value. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Insiders who reported open-market trades in the last 12 months at the companies Bain Capital Life Sciences Investors, LLC files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Bain Capital Life Sciences Investors, LLC is an investment firm of RAPID MICRO BIOSYSTEMS, INC. (RPID). InsiderAlpha holds 6 primary Form 4 filings for it, the earliest from 2024, updated as new SEC EDGAR filings are processed.
The most recent primary Form 4 on record is dated 22 May 2026, one of 6 filings going back to 2024.
Recorded transactions: 5 open-market purchases ($65.00M) and 5 open-market sales ($115.00M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial
$HTFL Heartflow, Inc.797.1K shares @ $29.37$23.41M