Bain Capital Life Sciences Partners, LP

CIK 1703030 · last filed 2026-05-22

Bain Capital Life Sciences Partners, LP is a corporate insider who has filed 4 SEC Form 4 insider transactions across 3 companies since 2017. The most recent filing, for RPID, was dated May 22, 2026. Across all open-market trades the lifetime net is −$159.3M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $14.8M 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

$14.84M

Companies

3

Total Filings

4

Lifetime Open-Market Net

-$159.35M

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
RPID 10%+ Owner 8,434,560 $1.76 $14.84M $0 1 2026-05-22
Aptinyx Inc. (APTX) Delisted 10%+ Owner 8,891,758 $0.06 $542.4K $60.00M 1 2020-10-27
Dicerna Pharmaceuticals Inc (DRNA) Delisted Director 5,580,237 $38.22 $213.28M -$219.34M 2 2019-11-21

Recent Filings

4 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-05-22 RPID Buy (P) $0 EDGAR
2020-10-27 Aptinyx Inc. (APTX) Delisted Buy (P) +19,999,998 $60.00M EDGAR
2019-11-21 Dicerna Pharmaceuticals Inc (DRNA) Delisted Sell (S) −10,500,000 -$231.31M EDGAR
2017-12-19 Dicerna Pharmaceuticals Inc (DRNA) Delisted Mixed +53,581,422 $11.97M 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.