Investor Madryn Asset Management, LP
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Madryn Asset Management, LP . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

Date Form Target Prev
Shares
Current
Shares
Change
(Percent)
Ownership
(Percent)
Change
(Percent)
2025-08-12 13D/A STIM / Neuronetics, Inc. 24,237,061 20,737,061
2025-07-02 13D/A VERO / Venus Concept Inc. 10,891,951 10,869,529
2025-06-27 13D/A VERO / Venus Concept Inc. 174,735 10,891,951
2025-06-11 13D/A VERO / Venus Concept Inc. 174,735 174,735
2025-04-02 13D/A VERO / Venus Concept Inc. 174,735
2024-12-17 13D STIM / Neuronetics, Inc. 24,237,061
2024-09-30 13D/A VERO / Venus Concept Inc. 1,560,797 1,785,809
2024-06-27 13D/A GBNHF / Greenbrook TMS Inc. 68,443,127 72,093,894
2024-06-13 13D/A GBNHF / Greenbrook TMS Inc. 61,425,136 68,443,127
2024-06-04 13D/A GBNHF / Greenbrook TMS Inc. 60,887,220 61,425,136
2024-05-29 13D/A VERO / Venus Concept Inc. 1,353,428 1,560,797
2024-05-28 13D/A GBNHF / Greenbrook TMS Inc. 61,326,484 60,887,220
2024-05-22 13D/A GBNHF / Greenbrook TMS Inc. 60,646,435 61,326,484
2024-05-16 13D/A GBNHF / Greenbrook TMS Inc. 61,823,585 60,646,435
2024-05-13 13D/A GBNHF / Greenbrook TMS Inc. 60,742,474 61,823,585
2024-05-08 13D/A GBNHF / Greenbrook TMS Inc. 63,109,746 60,742,474
2024-05-07 13D/A VERO / Venus Concept Inc. 1,353,428 1,353,428
2024-05-01 13D/A GBNHF / Greenbrook TMS Inc. 67,966,548 63,109,746
2024-04-08 13D/A GBNHF / Greenbrook TMS Inc. 29,807,992 67,966,548
2024-02-22 13D/A VERO / Venus Concept Inc. 3,561,242 1,353,428
2023-10-24 13D/A GBNHF / Greenbrook TMS Inc. 22,351,569 29,807,992
2023-10-12 13D/A VERO / Venus Concept Inc. 3,561,242
2023-09-12 13D/A GBNHF / Greenbrook TMS Inc. 13,902,877 22,351,569
2023-08-25 13D/A GBNHF / Greenbrook TMS Inc. 9,282,296 13,902,877
2023-04-03 13D GBNHF / Greenbrook TMS Inc. 2,631,578 9,282,296
2022-07-25 13G GBNH / Greenbrook TMS Inc. 2,631,578
2020-12-18 13D VERO / Venus Concept Inc. 1,860,530 10,074,411
2020-12-01 13G/A AQST / Aquestive Therapeutics, Inc. 1,530,717 1,530,717
2020-11-30 13G/A AQST / Aquestive Therapeutics, Inc. 1,428,572 1,530,717
2020-01-08 13G VERO / Venus Concept Inc. 1,860,530
2019-09-09 13G AQST / Aquestive Therapeutics, Inc. 1,428,572