Filing Manager
ABG Management Ltd.
Reporting Manager
Fan Yu
Symbol
PMN
Shares outstanding
9,672,924 shares
Disclosed Ownership
1,644,397 shares
Ownership
17%
Form type
SCHEDULE 13D/A
Filing time
05 Feb 2026, 19:02:35 UTC
Date of event
03 Feb 2026

Reporting Managers (9)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
ABG Management Ltd. 6.3% 572,677 0 572,677 By: /s/ Fan Yu Fan Yu, Director 0001832106
Ally Bridge Group (NY) LLC 6.3% 572,677 0 572,677 By: ABG Management Ltd., its managing member, By: /s/ Fan Yu Fan Yu, Director 0001822947
Ally Bridge MedAlpha Master Fund L.P. 6.3% 572,677 0 572,677 By: Ally Bridge Group (NY) LLC, its manager, By: ABG Management Ltd., its managing member, By: /s/ Fan Yu Fan Yu, Director 0001831963
ABG V-SIV IX Limited 7.1% 659,520 0 659,520 By: ABG Global Life Science Capital Partners V GP, L.P., ABG Global Life Science Capital Partners V GP Limited, /s/ Fan Yu Fan Yu, Director
Ally Bridge Group Global Life Science Capital Partners V, L.P. 7.1% 659,520 0 659,520 By: ABG Global Life Science Capital Partners V GP, L.P., its GP, By: ABG Global Life Science Capital Partners V GP Limited, its GP, By: /s/ Fan Yu Fan Yu, Director
ABG Global Life Science Capital Partners V GP, L.P. 7.1% 659,520 0 659,520 By: ABG Global Life Science Capital Partners V GP Limited, its general partner, By: /s/ Fan Yu Fan Yu, Director
ABG Global Life Science Capital Partners V GP Limited 7.1% 659,520 0 659,520 By: /s/ Fan Yu Fan Yu, Director
ABG V-SIV X Limited 4.5% 412,200 0 412,200 By: /s/ Fan Yu Fan Yu, Director
Fan Yu 17% 1,644,397 0 1,644,397 /s/ Fan Yu Fan Yu 0001668029