PERCEPTIVE LIFE SCIENCES MASTER FUND LTD

10% owner at SOLENO THERAPEUTICS INC · on record since May 26, 2023
Director at Nautilus Biotechnology, Inc. · on record since Jun 20, 2023
10% owner at Endo Pharmaceuticals Solutions Inc. · on record since Jun 29, 2006
Former 10% Owner at CARGO Therapeutics, Inc. · on record since Nov 14, 2023
10% owner at Orchestra BioMed Holdings, Inc. · on record since Jul 17, 2024
10% owner at Adagio Medical Holdings, Inc. · on record since Aug 1, 2024
10% owner at Rain Oncology Inc. · on record since Apr 27, 2021
10% owner at BIOENVISION INC · on record since Aug 22, 2007
Director at Adagio Medical Holdings, Inc. · on record since Feb 14, 2025
10% owner at XTL BIOPHARMACEUTICALS LTD · on record since Dec 31, 2007
10% owner at MACROCHEM CORP · on record since Dec 28, 2007
10% owner at OPTIMER PHARMACEUTICALS INC · on record since Dec 27, 2007
10% owner at PENWEST PHARMACEUTICALS CO · on record since Jan 31, 2008
Director at Immatics N.V. · on record since Mar 18, 2026
Director at Kardigan, Inc. · on record since Jun 18, 2026
Director at ARYA SCIENCES ACQUISITION CORP. · on record since May 24, 2021
(See Footnote 1) at CYPRESS BIOSCIENCE INC · on record since Aug 8, 2003
10% owner at ANI PHARMACEUTICALS INC · on record since Aug 13, 2003
Managing Member at · on record since Aug 13, 2003
10% owner at · on record since Jun 8, 2004
10% owner at · on record since Feb 28, 2011
10% owner at · on record since Jul 22, 2026
10% owner at · on record since Jul 29, 2011
10% owner at · on record since Jul 7, 2011
Director at · on record since Apr 23, 2026
10% owner at · on record since Apr 23, 2026
10% owner at · on record since Dec 13, 2012
10% owner at · on record since Dec 5, 2012
10% owner at · on record since Feb 12, 2004
10% owner at · on record since May 30, 2014
Director at · on record since Jun 11, 2026
10% owner at · on record since Jun 11, 2026
10% owner at · on record since Aug 4, 2014
10% owner at · on record since Oct 28, 2015
Former Director at · on record since Jun 11, 2021
10% owner at · on record since Sep 28, 2016
No longer a 10% Owner. at · on record since Aug 26, 2016
10% owner at · on record since May 25, 2017
10% owner at · on record since May 18, 2017
10% owner at · on record since Oct 26, 2017
10% owner at · on record since Dec 19, 2017
10% owner at · on record since Dec 18, 2017
10% owner at · on record since Nov 15, 2017
10% owner at · on record since Dec 4, 2017
10% owner at · on record since Mar 28, 2018
10% owner at · on record since Feb 21, 2018
10% owner at · on record since Jun 22, 2018
10% owner at · on record since Jun 13, 2018
Director at · on record since Aug 27, 2018
10% owner at · on record since Aug 27, 2018
Former 10% Owner at · on record since Jul 26, 2018
Former 10% Owner at · on record since Jul 25, 2018
10% owner at · on record since Aug 1, 2018
10% owner at · on record since Jun 20, 2019
10% owner at · on record since Aug 6, 2019
10% owner at · on record since Apr 30, 2020
10% owner at · on record since Jun 24, 2020
10% owner at · on record since Jun 11, 2020
10% owner at · on record since Sep 22, 2020
Director at · on record since Oct 29, 2020
Director at · on record since Oct 22, 2020
Director at · on record since Jan 27, 2021
10% owner at · on record since Jan 26, 2021
10% owner at · on record since Mar 16, 2021
Director at · on record since Feb 9, 2021
10% owner at · on record since Feb 9, 2021
Director at · on record since Feb 3, 2021
10% owner at · on record since Feb 3, 2021
10% owner at · on record since Oct 29, 2021
10% owner at · on record since Oct 14, 2021
10% owner at · on record since Dec 10, 2021
Director at · on record since Nov 5, 2021
10% owner at · on record since Nov 18, 2022

Insider trading activity of PERCEPTIVE LIFE SCIENCES MASTER FUND LTD

Transactions on record: 339; since Dec 27, 2007

Open-market buys: 183; $555M

Open-market sells: 45; $82.1M

Companies traded: 42; last filing Mar 11, 2026

Figures computed from official regulatory filings — .

Companies where PERCEPTIVE LIFE SCIENCES MASTER FUND LTD has traded

2 tx · $50M · Mar 11, 2026
7 tx · $82M · Jan 2, 2026
2 tx · $6.1M · Aug 5, 2025
15 tx · $37.6M · Apr 7, 2025
1 tx · $20M · Apr 15, 2024
6 tx · $365.9K · Feb 20, 2024
7 tx · $36M · Oct 18, 2023
5 tx · $56.1M · Jun 20, 2023
3 tx · $188.2K · Jun 1, 2023
4 tx · $84.9M · Aug 18, 2022
1 tx · $3M · Jul 5, 2022
5 tx · $18M · May 27, 2022
6 tx · $30.3M · Apr 18, 2022
3 tx · $2.3M · Aug 19, 2021

Track record of PERCEPTIVE LIFE SCIENCES MASTER FUND LTD

Statistical track record

Free account

Open-market buys: 202

Last buy: Aug 1, 2025

Win rates, median returns and the proven-insider analysis come with a free account.

Transaction history of PERCEPTIVE LIFE SCIENCES MASTER FUND LTD

Co-insiders of PERCEPTIVE LIFE SCIENCES MASTER FUND LTD

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Solid Biosciences Inc.Listing on record	Mar 11, 2026	AwardD (derivative)	8,912,655	5.61 USD	$50M		SEC
MeiraGTx Holdings plcListing on record	Jan 2, 2026	Other	-2,300,000	7.91 USD	$18.2M	Unusual size	SEC
Orchestra BioMed Holdings, Inc.Listing on record	Aug 5, 2025	BuyD (derivative)	1,500,000	2.75 USD	$4.1M	First in 12mo	SEC
Orchestra BioMed Holdings, Inc.Listing on record	Aug 5, 2025	Buy	700,000	2.75 USD	$1.9M	conv 43First in 12mo	SEC
Aldeyra Therapeutics, Inc.Listing on record	Apr 7, 2025	Sell	-3,400,000	1.42 USD	$4.8M	Unusual size	SEC
Acrivon Therapeutics, Inc.Listing on record	Apr 15, 2024	Buy	2,353,000	8.50 USD	$20M	conv 46	SEC
Aldeyra Therapeutics, Inc.Listing on record	Apr 3, 2024	Buy	8,374	3.25 USD	$27.2K	conv 30	SEC
Aldeyra Therapeutics, Inc.Listing on record	Apr 3, 2024	Buy	186,051	3.44 USD	$640K	conv 18	SEC
Aldeyra Therapeutics, Inc.Listing on record	Apr 3, 2024	Buy	309,847	4.09 USD	$1.3M	conv 18	SEC
LianBioListing on record	Feb 20, 2024	ExerciseD (derivative)	-36,300	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LianBioListing on record	Feb 20, 2024	ExerciseD (derivative)	-36,300	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LianBioListing on record	Feb 20, 2024	Other	-19,218	4.76 USD	$91.5K		SEC
LianBioListing on record	Feb 20, 2024	Exercise	36,300	2.52 USD	$91.5K		SEC
LianBioListing on record	Feb 20, 2024	Exercise	36,300	2.52 USD	$91.5K		SEC
LianBioListing on record	Feb 20, 2024	Other	-19,218	4.76 USD	$91.5K		SEC
Astria Therapeutics, Inc.Listing unverified	Oct 18, 2023	BuyD (derivative)	921,093	6.51 USD	$6M		SEC
Aldeyra Therapeutics, Inc.Listing on record	Oct 18, 2023	Sell	-306,499	1.74 USD	$533.3K		SEC
Astria Therapeutics, Inc.Listing unverified	Oct 18, 2023	BuyD (derivative)	460,546	6.51 USD	$3M		SEC
Astria Therapeutics, Inc.Listing unverified	Oct 18, 2023	Buy	460,546	6.51 USD	$3M	conv 37	SEC
Aldeyra Therapeutics, Inc.Listing on record	Oct 18, 2023	Sell	-2,450,000	1.60 USD	$3.9M	Unusual size	SEC
Astria Therapeutics, Inc.Listing unverified	Oct 18, 2023	BuyD (derivative)	614,062	6.51 USD	$4M		SEC
Astria Therapeutics, Inc.Listing unverified	Oct 18, 2023	Buy	614,062	6.51 USD	$4M	conv 42	SEC
Astria Therapeutics, Inc.Listing unverified	Oct 18, 2023	BuyD (derivative)	921,093	6.51 USD	$6M		SEC
Nautilus Biotechnology, Inc.Listing on record	Jun 20, 2023	AwardD (derivative)	45,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SOLENO THERAPEUTICS INCListing unverified	Jun 1, 2023	Buy	17,500	5.34 USD	$93.5K	conv 34Cluster	SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Solid Biosciences Inc.Listing on record	Mar 11, 2026	AwardD (derivative)	8,912,655	5.61 USD	$50M		SEC
MeiraGTx Holdings plcListing on record	Jan 2, 2026	Other	-2,300,000	7.91 USD	$18.2M	Unusual size	SEC
Orchestra BioMed Holdings, Inc.Listing on record	Aug 5, 2025	BuyD (derivative)	1,500,000	2.75 USD	$4.1M	First in 12mo	SEC
Orchestra BioMed Holdings, Inc.Listing on record	Aug 5, 2025	Buy	700,000	2.75 USD	$1.9M	conv 43First in 12mo	SEC
Aldeyra Therapeutics, Inc.Listing on record	Apr 7, 2025	Sell	-3,400,000	1.42 USD	$4.8M	Unusual size	SEC
Acrivon Therapeutics, Inc.Listing on record	Apr 15, 2024	Buy	2,353,000	8.50 USD	$20M	conv 46	SEC
Aldeyra Therapeutics, Inc.Listing on record	Apr 3, 2024	Buy	8,374	3.25 USD	$27.2K	conv 30	SEC
Aldeyra Therapeutics, Inc.Listing on record	Apr 3, 2024	Buy	186,051	3.44 USD	$640K	conv 18	SEC
Aldeyra Therapeutics, Inc.Listing on record	Apr 3, 2024	Buy	309,847	4.09 USD	$1.3M	conv 18	SEC
LianBioListing on record	Feb 20, 2024	ExerciseD (derivative)	-36,300	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LianBioListing on record	Feb 20, 2024	ExerciseD (derivative)	-36,300	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LianBioListing on record	Feb 20, 2024	Other	-19,218	4.76 USD	$91.5K		SEC
LianBioListing on record	Feb 20, 2024	Exercise	36,300	2.52 USD	$91.5K		SEC
LianBioListing on record	Feb 20, 2024	Exercise	36,300	2.52 USD	$91.5K		SEC
LianBioListing on record	Feb 20, 2024	Other	-19,218	4.76 USD	$91.5K		SEC
Astria Therapeutics, Inc.Listing unverified	Oct 18, 2023	BuyD (derivative)	921,093	6.51 USD	$6M		SEC
Aldeyra Therapeutics, Inc.Listing on record	Oct 18, 2023	Sell	-306,499	1.74 USD	$533.3K		SEC
Astria Therapeutics, Inc.Listing unverified	Oct 18, 2023	BuyD (derivative)	460,546	6.51 USD	$3M		SEC
Astria Therapeutics, Inc.Listing unverified	Oct 18, 2023	Buy	460,546	6.51 USD	$3M	conv 37	SEC
Aldeyra Therapeutics, Inc.Listing on record	Oct 18, 2023	Sell	-2,450,000	1.60 USD	$3.9M	Unusual size	SEC
Astria Therapeutics, Inc.Listing unverified	Oct 18, 2023	BuyD (derivative)	614,062	6.51 USD	$4M		SEC
Astria Therapeutics, Inc.Listing unverified	Oct 18, 2023	Buy	614,062	6.51 USD	$4M	conv 42	SEC
Astria Therapeutics, Inc.Listing unverified	Oct 18, 2023	BuyD (derivative)	921,093	6.51 USD	$6M		SEC
Nautilus Biotechnology, Inc.Listing on record	Jun 20, 2023	AwardD (derivative)	45,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SOLENO THERAPEUTICS INCListing unverified	Jun 1, 2023	Buy	17,500	5.34 USD	$93.5K	conv 34Cluster	SEC