Bain Capital Life Sciences Fund III, L.P.

CIK 1875273 · last filed 2025-08-13

Bain Capital Life Sciences Fund III, L.P. is a corporate insider who has filed 2 SEC Form 4 insider transactions across 2 companies since 2024. The most recent filing shows the insider converted $33.0M of HTFL on Aug 13, 2025. Across all open-market trades the lifetime net is +$49.5M, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $421.2M 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.

Disclosed Exposure

$421.21M

Companies

2

Total Filings

2

Lifetime Open-Market Net

$49.50M

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	12,014,234	$33.24	$399.35M	$0	1	2025-08-13
KYTX	10%+ Owner	2,713,868	$8.05	$21.86M	$49.50M	1	2024-02-14

Recent Filings

2 filings

Form 4 transactions across all companies, newest first.

Filed	Symbol	Action	Net Shares	Net $	Link
2025-08-13	HTFL	Conv (C)	+62,240,790	$32.98M	EDGAR
2024-02-14	KYTX	Mixed	+15,819,340	$49.50M	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.