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Bain Capital Life Sciences Investors, LLC

CIK 1703031 · last filed 2026-02-06

Bain Capital Life Sciences Investors, LLC is a corporate insider who has filed 3 SEC Form 4 insider transactions across 3 companies since 2021. The most recent filing shows the insider sold $280.5M of HTFL on Feb 6, 2026. Across all open-market trades the lifetime net is −$268.5M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $390.8M across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$390.77M

Companies

3

Total Filings

3

Lifetime Open-Market Net

-$268.50M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
HTFL 10%+ Owner 10,448,158 $33.24 $347.30M -$280.50M 1 2026-02-06
SLDB Director 4,034,582 $7.14 $28.81M $0 1 2024-01-12
RPID 10%+ Owner 8,334,560 $1.76 $14.67M $12.00M 1 2021-07-21

Recent Filings

3 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-02-06 HTFL Sell (S) −10,000,000 -$280.50M EDGAR
2024-01-12 SLDB Grant (A) +7,233,280 $40.00M EDGAR
2021-07-21 RPID Mixed +50,607,360 $12.00M EDGAR
Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.