Insiders / Leiden Jeffrey M

Leiden Jeffrey M

CIK 1242825personinsider

Companies

2

First seen

Jan 26, 2026

Last activity

May 11, 2026

Companies

Company	Role	Shares held	Peak held	Trades	Latest
Odyssey Therapeutics, Inc. · ODTX	Director	301,842	626,220	9	—
Vertex Pharmaceuticals Inc / Ma · VRTX	Executive	34,797	41,308	4	—

All securities held

3 positions · latest reported per filing

Company	Security	Shares	As of
Odyssey Therapeutics, Inc.	Common Stock	301,842	May 11, 2026
Odyssey Therapeutics, Inc.	Stock Option (Right to Buy)Derivative	626,220	May 7, 2026
Vertex Pharmaceuticals Inc / Ma	Common Stock	34,797	Feb 24, 2026

Activity

InsidersInstitutions

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

Date	Action	Company	Value	Shares Δ	Position after	Impact
Feb 24, 2026	Other	VRTX Vertex Pharmaceuticals Inc / Ma Common Stock	$1.72M	-4K -9.25%	34,797 0.01% of shares	low
Feb 18, 2026	Other	VRTX Vertex Pharmaceuticals Inc / Ma Common Stock	$1.43M	-3K -7.18%	38,344 0.02% of shares	low
May 8, 2026	Buy	ODTX Odyssey Therapeutics, Inc. Common Stock	$100.0K	+5K +1.89%	270,198 0.56% of shares	medium
May 11, 2026	Other	ODTX Odyssey Therapeutics, Inc. Common Stock	$306	-17 -0.05%	31,644 0.07% of shares	low
Feb 17, 2026	Grant	VRTX Vertex Pharmaceuticals Inc / Ma Common Stock	$0	+8K +25.03%	41,308 0.02% of shares	low
Jan 22, 2026	Grant	VRTX Vertex Pharmaceuticals Inc / Ma Common Stock	$0	+9K +37.51%	33,039 0.01% of shares	low
May 11, 2026	Exercise	ODTX Odyssey Therapeutics, Inc. Series D Warrants (Right to Buy)	—	-29K -100.00%	0 0.00% of shares	low
May 7, 2026	Grant	ODTX Odyssey Therapeutics, Inc. Stock Option (Right to Buy)	—	+626K	626,220 1.30% of shares	low
May 11, 2026	Other	ODTX Odyssey Therapeutics, Inc. Series D Convertible Preferred Stock	—	-96K -100.00%	0 0.00% of shares	low
May 11, 2026	Other	ODTX Odyssey Therapeutics, Inc. Series C Convertible Preferred Stock	—	-100K -100.00%	0 0.00% of shares	low