Insider · CIK 0001221786

NEFF DEBORAH J

Reports to the SEC for 3 companies · FREMONT, CA

sec.gov

Transactions

Companies

Filings

CIK

0001221786

Forms 4 and 5

Insider transactions

27 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-06-10	CTKBCytek Biosciences, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+44K sh	—	—	59,679
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
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
2025-06-05	CTKBCytek Biosciences, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+15.7K sh	—	—	15,706
2025-06-05	CTKBCytek Biosciences, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−15.7K sh	—	—	0
2024-06-05	CTKBCytek Biosciences, Inc. · Restricted Stock UnitsA Award	Director	AAward	+15.7K sh	—	—	15,706
2024-06-05	CTKBCytek Biosciences, Inc. · Stock Option (right to buy)A Award	Director	AAward	+23.1K sh	—	—	23,076
2023-06-14	CTKBCytek Biosciences, Inc. · Stock Option (right to buy)A Award	Director	AAward	+30.2K sh	—	—	30,242
2022-06-01	CTKBCytek Biosciences, Inc. · Stock Option (right to buy)A Award	Director	AAward	+47K sh	—	—	47,013
2009-02-26	ABBOTT MEDICAL OPTICS INCD Disposition to Issuer	Director	DDisposition to Issuer	−3,650 sh	$22.00	−$80.3K	0
2009-02-26	ABBOTT MEDICAL OPTICS INCD Disposition to Issuer	Director	DDisposition to Issuer	−6,740 sh	$22.00	−$148K	0
2009-02-26	ABBOTT MEDICAL OPTICS INCD Disposition to Issuer	Director	DDisposition to Issuer	−2,079 sh	$22.00	−$45.7K	0
2009-02-25	ABBOTT MEDICAL OPTICS INCU Disposition from Tender	Director	UDisposition from Tender	−10.1K sh	$22.00	−$222K	0
2009-02-25	ABBOTT MEDICAL OPTICS INCA Award	Director	AAward	+3,650 sh	—	—	3,650
2009-02-25	ABBOTT MEDICAL OPTICS INCA Award	Director	AAward	+6,740 sh	—	—	6,740
2009-02-25	ABBOTT MEDICAL OPTICS INCA Award	Director	AAward	+2,079 sh	—	—	2,079
2009-02-25	ABBOTT MEDICAL OPTICS INCEmployee Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−20K sh	—	—	0
2009-02-25	ABBOTT MEDICAL OPTICS INCEmployee Stock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−9,500 sh	—	—	0
2008-05-29	ABBOTT MEDICAL OPTICS INCM Exercise/Conversion	Director	MExercise/Conversion	+1,166 sh	—	—	10,099
2008-05-29	ABBOTT MEDICAL OPTICS INCRestricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−1,166 sh	—	—	0
2008-05-29	ABBOTT MEDICAL OPTICS INCRestricted Stock UnitsA Award	Director	AAward	+2,079 sh	—	—	2,079
2008-05-29	ABBOTT MEDICAL OPTICS INCRestricted Stock UnitsA Award	Director	AAward	+6,740 sh	—	—	6,740
2005-05-26	ABBOTT MEDICAL OPTICS INCA Award	Director	AAward	+390 sh	—	—	694
2005-05-26	ABBOTT MEDICAL OPTICS INCA Award	Director	AAward	+3,900 sh	—	—	4,594

Recent filings

Accepted (ET)
Jun 124
NEFF DEBORAH J0001221786-26-000001
SEC(opens sec.gov)
Jun 204
NEFF DEBORAH J0001415889-25-017853
SEC(opens sec.gov)
Jun 94
NEFF DEBORAH J0001415889-25-016306
SEC(opens sec.gov)
Jun 74
NEFF DEBORAH J0001415889-24-016078
SEC(opens sec.gov)
Jun 164
NEFF DEBORAH J0001209191-23-038082
SEC(opens sec.gov)
Jun 34
NEFF DEBORAH J0001209191-22-034227
SEC(opens sec.gov)
Feb 274
NEFF DEBORAH J0001256928-09-000012
SEC(opens sec.gov)

Companies

Address

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

FREMONT, CA, 94538