Bain Capital Life Sciences Investors, LLC

10% owner at NewAmsterdam Pharma Co N.V. · on record since Dec 29, 2023
10% owner at Kyverna Therapeutics, Inc. · on record since Feb 14, 2024
Director at Solid Biosciences Inc. · on record since Jan 12, 2024
10% owner at Olema Pharmaceuticals, Inc. · on record since Jan 13, 2025
10% owner at RAPID MICRO BIOSYSTEMS, INC. · on record since May 22, 2026
10% owner at MARINUS PHARMACEUTICALS, INC. · on record since Sep 28, 2017
10% owner at Kailera Therapeutics, Inc. · on record since Apr 16, 2026
10% owner at Heartflow, Inc. · on record since Apr 30, 2026
10% owner at Dicerna Pharmaceuticals Inc · on record since Apr 13, 2017
Director at Dicerna Pharmaceuticals Inc · on record since Dec 19, 2017
10% owner at Replimune Group, Inc. · on record since Jul 26, 2018
10% owner at SOUTHWALL TECHNOLOGIES INC /DE/ · on record since Sep 19, 2019
10% owner at Arcutis Biotherapeutics, Inc. · on record since Jan 30, 2020
10% owner at Aptinyx Inc. · on record since Jan 16, 2020
10% owner at Annexon, Inc. · on record since Jul 28, 2020
10% owner at Xilio Therapeutics, Inc. · on record since Dec 10, 2021
10% owner at Solid Biosciences Inc. · on record since Dec 5, 2022

Insider trading activity of Bain Capital Life Sciences Investors, LLC

Transactions on record: 31; since Dec 19, 2017

Open-market buys: 5; $36.9M

Open-market sells: 10; $125M

Companies traded: 8; last filing May 22, 2026

Figures computed from official regulatory filings — .

Companies where Bain Capital Life Sciences Investors, LLC has traded

8 tx · $2M · May 22, 2026
5 tx · $115M · Apr 30, 2026
5 tx · $25M · Apr 20, 2026
3 tx · $1.7M · Jan 13, 2025
1 tx · $40M · Dec 17, 2024
1 tx · $639K · May 30, 2023
3 tx · $7.5M · Jul 26, 2018
5 tx · $10M · Dec 19, 2017

Track record of Bain Capital Life Sciences Investors, LLC

Statistical track record

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Open-market buys: 9

Last buy: May 20, 2026

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Transaction history of Bain Capital Life Sciences Investors, LLC

Co-insiders of Bain Capital Life Sciences Investors, LLC

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
RAPID MICRO BIOSYSTEMS, INC.Listing on record	May 22, 2026	BuyD (derivative)	1,463,000	—	n/a (No price was disclosed in the filing)		SEC
RAPID MICRO BIOSYSTEMS, INC.Listing on record	May 22, 2026	BuyD (derivative)	1,463,000	—	n/a (No price was disclosed in the filing)		SEC
RAPID MICRO BIOSYSTEMS, INC.Listing on record	May 22, 2026	BuyD (derivative)	1,463,000	—	n/a (No price was disclosed in the filing)		SEC
Heartflow, Inc.Listing unverified	Apr 30, 2026	Sell	-56,224	30.05 USD	$1.7M		SEC
Heartflow, Inc.Listing unverified	Apr 30, 2026	Sell	-797,133	29.37 USD	$23.4M		SEC
Heartflow, Inc.Listing unverified	Apr 30, 2026	Sell	-892,533	29.18 USD	$26M		SEC
Heartflow, Inc.Listing unverified	Apr 30, 2026	Sell	-254,110	30.51 USD	$7.8M		SEC
Kailera Therapeutics, Inc.Listing unverified	Apr 20, 2026	OtherD (derivative)	-16,875,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Kailera Therapeutics, Inc.Listing unverified	Apr 20, 2026	Other	16,875,000	—	n/a (No price was disclosed in the filing)		SEC
Kailera Therapeutics, Inc.Listing unverified	Apr 20, 2026	Buy	1,562,500	16.00 USD	$25M	conv 49ClusterFirst in 12mo	SEC
Kailera Therapeutics, Inc.Listing unverified	Apr 20, 2026	OtherD (derivative)	-4,145,768	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Kailera Therapeutics, Inc.Listing unverified	Apr 20, 2026	Other	4,145,768	—	n/a (No price was disclosed in the filing)		SEC
Heartflow, Inc.Listing unverified	Feb 6, 2026	Sell	-2,000,000	28.05 USD	$56.1M	Unusual size	SEC
Olema Pharmaceuticals, Inc.Listing on record	Jan 13, 2025	Other	-3,500,000	—	n/a (No price was disclosed in the filing)		SEC
Olema Pharmaceuticals, Inc.Listing on record	Jan 13, 2025	Buy	300,000	5.76 USD	$1.7M	conv 31	SEC
Olema Pharmaceuticals, Inc.Listing on record	Jan 13, 2025	OtherD (derivative)	3,500,000	—	n/a (No price was disclosed in the filing)		SEC
NewAmsterdam Pharma Co N.V.Listing on record	Dec 17, 2024	BuyD (derivative)	1,632,653	24.50 USD	$40M	Unusual sizeFirst in 12mo	SEC
Annexon, Inc.Listing on record	May 30, 2023	Buy	300,000	2.13 USD	$639K	conv 55First in 12mo	SEC
RAPID MICRO BIOSYSTEMS, INC.Listing on record	Jul 21, 2021	Other	6,999,998	—	n/a (No price was disclosed in the filing)		SEC
RAPID MICRO BIOSYSTEMS, INC.Listing on record	Jul 21, 2021	Buy	100,000	20.00 USD	$2M	conv 33First in 12mo	SEC
RAPID MICRO BIOSYSTEMS, INC.Listing on record	Jul 21, 2021	OtherD (derivative)	-35,000,001	—	n/a (No price was disclosed in the filing)		SEC
RAPID MICRO BIOSYSTEMS, INC.Listing on record	Jul 21, 2021	OtherD (derivative)	-6,672,819	—	n/a (No price was disclosed in the filing)		SEC
RAPID MICRO BIOSYSTEMS, INC.Listing on record	Jul 21, 2021	Other	1,334,562	—	n/a (No price was disclosed in the filing)		SEC
Replimune Group, Inc.Listing on record	Jul 26, 2018	Buy	500,000	15.00 USD	$7.5M	conv 58ClusterFirst in 12mo	SEC
Replimune Group, Inc.Listing on record	Jul 26, 2018	Other	2,338,968	—	n/a (No price was disclosed in the filing)		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
RAPID MICRO BIOSYSTEMS, INC.Listing on record	May 22, 2026	BuyD (derivative)	1,463,000	—	n/a (No price was disclosed in the filing)		SEC
RAPID MICRO BIOSYSTEMS, INC.Listing on record	May 22, 2026	BuyD (derivative)	1,463,000	—	n/a (No price was disclosed in the filing)		SEC
RAPID MICRO BIOSYSTEMS, INC.Listing on record	May 22, 2026	BuyD (derivative)	1,463,000	—	n/a (No price was disclosed in the filing)		SEC
Heartflow, Inc.Listing unverified	Apr 30, 2026	Sell	-56,224	30.05 USD	$1.7M		SEC
Heartflow, Inc.Listing unverified	Apr 30, 2026	Sell	-797,133	29.37 USD	$23.4M		SEC
Heartflow, Inc.Listing unverified	Apr 30, 2026	Sell	-892,533	29.18 USD	$26M		SEC
Heartflow, Inc.Listing unverified	Apr 30, 2026	Sell	-254,110	30.51 USD	$7.8M		SEC
Kailera Therapeutics, Inc.Listing unverified	Apr 20, 2026	OtherD (derivative)	-16,875,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Kailera Therapeutics, Inc.Listing unverified	Apr 20, 2026	Other	16,875,000	—	n/a (No price was disclosed in the filing)		SEC
Kailera Therapeutics, Inc.Listing unverified	Apr 20, 2026	Buy	1,562,500	16.00 USD	$25M	conv 49ClusterFirst in 12mo	SEC
Kailera Therapeutics, Inc.Listing unverified	Apr 20, 2026	OtherD (derivative)	-4,145,768	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Kailera Therapeutics, Inc.Listing unverified	Apr 20, 2026	Other	4,145,768	—	n/a (No price was disclosed in the filing)		SEC
Heartflow, Inc.Listing unverified	Feb 6, 2026	Sell	-2,000,000	28.05 USD	$56.1M	Unusual size	SEC
Olema Pharmaceuticals, Inc.Listing on record	Jan 13, 2025	Other	-3,500,000	—	n/a (No price was disclosed in the filing)		SEC
Olema Pharmaceuticals, Inc.Listing on record	Jan 13, 2025	Buy	300,000	5.76 USD	$1.7M	conv 31	SEC
Olema Pharmaceuticals, Inc.Listing on record	Jan 13, 2025	OtherD (derivative)	3,500,000	—	n/a (No price was disclosed in the filing)		SEC
NewAmsterdam Pharma Co N.V.Listing on record	Dec 17, 2024	BuyD (derivative)	1,632,653	24.50 USD	$40M	Unusual sizeFirst in 12mo	SEC
Annexon, Inc.Listing on record	May 30, 2023	Buy	300,000	2.13 USD	$639K	conv 55First in 12mo	SEC
RAPID MICRO BIOSYSTEMS, INC.Listing on record	Jul 21, 2021	Other	6,999,998	—	n/a (No price was disclosed in the filing)		SEC
RAPID MICRO BIOSYSTEMS, INC.Listing on record	Jul 21, 2021	Buy	100,000	20.00 USD	$2M	conv 33First in 12mo	SEC
RAPID MICRO BIOSYSTEMS, INC.Listing on record	Jul 21, 2021	OtherD (derivative)	-35,000,001	—	n/a (No price was disclosed in the filing)		SEC
RAPID MICRO BIOSYSTEMS, INC.Listing on record	Jul 21, 2021	OtherD (derivative)	-6,672,819	—	n/a (No price was disclosed in the filing)		SEC
RAPID MICRO BIOSYSTEMS, INC.Listing on record	Jul 21, 2021	Other	1,334,562	—	n/a (No price was disclosed in the filing)		SEC
Replimune Group, Inc.Listing on record	Jul 26, 2018	Buy	500,000	15.00 USD	$7.5M	conv 58ClusterFirst in 12mo	SEC
Replimune Group, Inc.Listing on record	Jul 26, 2018	Other	2,338,968	—	n/a (No price was disclosed in the filing)		SEC