Insiders / Muir Glenn P

Muir Glenn P

CIK 1181190personinsider

Companies

3

First seen

May 8, 2026

Last activity

Jun 12, 2026

Companies

Company	Role	Shares held	Peak held	Trades	Latest
Neuronetics, Inc. · STIM	Director	401,816	401,816	1	—
Repligen Corp · RGEN	Director	40,051	40,051	4	—
Cytek Biosciences, Inc. · CTKB	Director	—	55,555	2	—

All securities held

5 positions · latest reported per filing

Company	Security	Shares	As of
Cytek Biosciences, Inc.	Restricted Stock UnitsDerivative	55,555	Jun 10, 2026
Cytek Biosciences, Inc.	Director Stock Option (right to buy)Derivative	29,835	Jun 10, 2026
Neuronetics, Inc.	Common Stock	401,816	May 28, 2026
Repligen Corp	Common Stock	40,051	May 14, 2026
Repligen Corp	Stock Option (Right to Buy)Derivative	2,239	May 14, 2026

Activity

InsidersInstitutions

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

Date	Action	Company	Value	Shares Δ	Position after	Impact
May 7, 2026	Exercise	RGEN Repligen Corp Common Stock	$94.3K	+2K +6.65%	39,056 0.07% of shares	low
May 28, 2026	Grant	STIM Neuronetics, Inc. Common Stock	$0	+30K +8.07%	401,816 0.53% of shares	low
May 14, 2026	Grant	RGEN Repligen Corp Common Stock	$0	+995 +2.55%	40,051 0.07% of shares	low
Jun 10, 2026	Grant	CTKB Cytek Biosciences, Inc. Director Stock Option (right to buy)	—	+30K	29,835 0.02% of shares	low
Jun 10, 2026	Grant	CTKB Cytek Biosciences, Inc. Restricted Stock Units	—	+56K	55,555 0.04% of shares	low
May 14, 2026	Grant	RGEN Repligen Corp Stock Option (Right to Buy)	—	+2K	2,239 <0.01% of shares	low
May 7, 2026	Exercise	RGEN Repligen Corp Stock Option (Right to Buy)	—	+2K	2,434 <0.01% of shares	low