Insiders / Greene Barry E

Greene Barry E

CIK 1291963personinsider

Companies

First seen

May 26, 2026

Last activity

Jun 23, 2026

Companies

Company	Role	Shares held	Peak held	Trades	Latest
Karyopharm Therapeutics Inc. · KPTI	Director	16,415	16,415	1	—
Dyne Therapeutics, Inc. · DYN	Director	—	57,463	1	—

2 positions · latest reported per filing

Company	Security	Shares	As of
Dyne Therapeutics, Inc.	Stock option (right to buy)Derivative	57,463	Jun 22, 2026
Karyopharm Therapeutics Inc.	Common Stock	16,415	May 21, 2026

InsidersInstitutions

This person's insider trades (Form 4), across every company.

Date	Action	Company	Value	Shares Δ	Position after	Impact
May 21, 2026	Grant	KPTI Karyopharm Therapeutics Inc. Common Stock	$0	+16K +1709.81%	16,415 0.07% of shares	low
Jun 22, 2026	Grant	DYN Dyne Therapeutics, Inc. Stock option (right to buy)	—	+57K	57,463 0.03% of shares	low