Insider · CIK 0001515140

Holder Michael

Reports to the SEC for 4 companies · FREMONT, CA

sec.gov

Transactions

Companies

Filings

CIK

0001515140

Forms 4 and 5

Insider transactions

34 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-08-18	CTKBCytek Biosciences, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+2,181 sh	—	—	62,875
2026-08-18	CTKBCytek Biosciences, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−2,181 sh	—	—	7,276
2026-06-10	CTKBCytek Biosciences, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+44K sh	—	—	60,694
2026-06-10	CTKBCytek Biosciences, Inc. · Restricted Stock UnitsA Award	Director	AAward	+33.3K sh	—	—	33,333
2026-06-10	CTKBCytek Biosciences, Inc. · Director Stock Option (right to buy)A Award	Director	AAward	+18.3K sh	—	—	18,261
2026-06-10	CTKBCytek Biosciences, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−44K sh	—	—	0
2026-06-01	MDXHMDxHealth SA · Share OptionA Award	Director	AAward	+10K sh	—	—	10,000
2026-05-18	CTKBCytek Biosciences, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+1,454 sh	—	—	16,721
2026-05-18	CTKBCytek Biosciences, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−1,454 sh	—	—	9,457
2026-03-10	CTKBCytek Biosciences, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+2,908 sh	—	—	15,267
2026-03-10	CTKBCytek Biosciences, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−2,908 sh	—	—	10,911
2025-11-18	CTKBCytek Biosciences, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+2,181 sh	—	—	12,359
2025-11-18	CTKBCytek Biosciences, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−2,181 sh	—	—	13,819
2025-08-18	CTKBCytek Biosciences, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+2,181 sh	—	—	10,178
2025-08-18	CTKBCytek Biosciences, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−2,181 sh	—	—	16,000
2025-06-18	CTKBCytek Biosciences, Inc. · Restricted Stock UnitsA Award	Director	AAward	+44K sh	—	—	43,973
2025-06-18	CTKBCytek Biosciences, Inc. · Director Stock Option (right to buy)A Award	Director	AAward	+23.8K sh	—	—	23,809
2025-05-19	CTKBCytek Biosciences, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+1,454 sh	—	—	7,997
2025-05-19	CTKBCytek Biosciences, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−1,454 sh	—	—	18,181
2025-03-10	CTKBCytek Biosciences, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+2,908 sh	—	—	6,543
2025-03-10	CTKBCytek Biosciences, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−2,908 sh	—	—	19,635
2024-11-18	CTKBCytek Biosciences, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+2,181 sh	—	—	3,635
2024-11-18	CTKBCytek Biosciences, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−2,181 sh	—	—	22,543
2024-08-19	CTKBCytek Biosciences, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+1,454 sh	—	—	1,454
2024-08-19	CTKBCytek Biosciences, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−1,454 sh	—	—	24,724
2024-06-05	CTKBCytek Biosciences, Inc. · Restricted Stock UnitsA Award	Director	AAward	+26.2K sh	—	—	26,178
2024-06-05	CTKBCytek Biosciences, Inc. · Stock Option (right to buy)A Award	Director	AAward	+37.9K sh	—	—	37,878
2022-07-01	RCELAVITA Medical, Inc.A Award	Chief Financial Officer	AAward	+36K sh	—	—	46,450
2022-07-01	RCELAVITA Medical, Inc. · Stock Options (Right to Buy)A Award	Chief Financial Officer	AAward	+20.7K sh	—	—	20,650
2021-07-06	RCELAVITA Medical, Inc.A Award	Chief Financial Officer	AAward	+10.5K sh	—	—	10,500
2021-07-06	RCELAVITA Medical, Inc. · Stock Options (Right to Buy)A Award	Chief Financial Officer	AAward	+6,925 sh	—	—	6,925
2021-05-11	RCELAVITA Medical, Inc. · Stock Options (Right to Buy)A Award	Chief Financial Officer	AAward	+113K sh	—	—	112,500
2021-03-22	RCELAVITA Medical, Inc. · Stock Options (Right to Buy)A Award	Chief Financial Officer	AAward	+37.5K sh	—	—	37,500
2011-02-18	Novation Holdings IncP Purchase	Director, CEO	PPurchase	0 sh	$0.25	$0	0

Recent filings

Accepted (ET)
Aug 204
Holder Michael0001515140-26-000005
SEC(opens sec.gov)
Jun 124
Holder Michael0001515140-26-000003
SEC(opens sec.gov)
Jun 34
Holder Michael0001193125-26-255808
SEC(opens sec.gov)
May 204
Holder Michael0001515140-26-000002
SEC(opens sec.gov)
Mar 124
Holder Michael0001515140-26-000001
SEC(opens sec.gov)
Nov 204
Holder Michael0001515140-25-000002
SEC(opens sec.gov)
Aug 204
Holder Michael0001415889-25-022518
SEC(opens sec.gov)
Jun 204
Holder Michael0001415889-25-017840
SEC(opens sec.gov)
May 214
Holder Michael0001415889-25-013974
SEC(opens sec.gov)
Mar 124
Holder Michael0001415889-25-007887
SEC(opens sec.gov)

Companies

Address

C/O CYTEK BIOSCIENCES, INC. 47215 LAKEVIEW BLVD.

FREMONT, CA, 94538