CYTEK BIOSCIENCES, INC.

PublicCIK: 1831915

CTKBNASDAQ

Location

FREMONT, CA

BUSQUE PHILIPPE

144

→CYTEK BIOSCIENCES, INC.

Sep 2, 2026·Sep 2, 2026

MCCOMBE WILLIAM D.

→CYTEK BIOSCIENCES, INC.

Aug 20, 2026·Aug 20, 2026

9 txn

MUIR GLENN P

→CYTEK BIOSCIENCES, INC.

Aug 20, 2026·Aug 20, 2026

2 txn

HOLDER MICHAEL

→CYTEK BIOSCIENCES, INC.

Aug 20, 2026·Aug 20, 2026

2 txn

CHIN RICHARD

→CYTEK BIOSCIENCES, INC.

Aug 20, 2026·Aug 20, 2026

2 txn

YAN MING

→CYTEK BIOSCIENCES, INC.

Aug 20, 2026·Aug 20, 2026

12 txn

JIANG WENBIN

→CYTEK BIOSCIENCES, INC.

Aug 20, 2026·Aug 20, 2026

12 txn

RA CAPITAL MANAGEMENT, L.P.

13F-HR

Holdings

Aug 14, 2026·Aug 14, 2026

FEUCHTWANG ILAN

→CYTEK BIOSCIENCES, INC.

Aug 12, 2026·Aug 12, 2026

2 txn

RA CAPITAL MANAGEMENT, L.P.

→ARS PHARMACEUTICALS, INC.

Jun 26, 2026·Jun 26, 2026

1 txn

RA CAPITAL MANAGEMENT, L.P.

→ACRIVON THERAPEUTICS, INC.

Jun 22, 2026·Jun 22, 2026

1 txn

RA CAPITAL MANAGEMENT, L.P.

→PEPGEN INC.

Jun 22, 2026·Jun 22, 2026

1 txn

RA CAPITAL MANAGEMENT, L.P.

→LENZ THERAPEUTICS, INC.

Jun 16, 2026·Jun 16, 2026

1 txn

YAN MING

→CYTEK BIOSCIENCES, INC.

Jun 16, 2026·Jun 16, 2026

1 txn

RA CAPITAL MANAGEMENT, L.P.

→JANUX THERAPEUTICS, INC.

Jun 13, 2026·Jun 13, 2026

4 txn

BALL JACK

→CYTEK BIOSCIENCES, INC.

Jun 12, 2026·Jun 12, 2026

2 txn

MUIR GLENN P

→CYTEK BIOSCIENCES, INC.

Jun 12, 2026·Jun 12, 2026

2 txn

CHIN RICHARD

→CYTEK BIOSCIENCES, INC.

Jun 12, 2026·Jun 12, 2026

2 txn

IMPER VERA

→CYTEK BIOSCIENCES, INC.

Jun 12, 2026·Jun 12, 2026

4 txn

NEFF DEBORAH J

→CYTEK BIOSCIENCES, INC.

Jun 12, 2026·Jun 12, 2026

4 txn

HOLDER MICHAEL

→CYTEK BIOSCIENCES, INC.

Jun 12, 2026·Jun 12, 2026

4 txn

RA CAPITAL MANAGEMENT, L.P.

→NKARTA, INC.

Jun 11, 2026·Jun 11, 2026

1 txn

RA CAPITAL MANAGEMENT, L.P.

→ACUMEN PHARMACEUTICALS, INC.

Jun 5, 2026·Jun 5, 2026

5 txn

HOLDER MICHAEL

→CYTEK BIOSCIENCES, INC.

May 20, 2026·May 20, 2026

2 txn

CHIN RICHARD

→CYTEK BIOSCIENCES, INC.

May 20, 2026·May 20, 2026

2 txn

Page 1 of 23 · 575 total

Filer	Form	Target	Filed	Activity
BUSQUE PHILIPPECIK · 1991396	144 Sale	CYTEK BIOSCIENCES, INC.CIK · 1831915	Sep 2, 2026 Sep 2, 2026	—
MCCOMBE WILLIAM D.CIK · 1878824	4 Trade	CYTEK BIOSCIENCES, INC.CIK · 1831915	Aug 20, 2026 Aug 20, 2026	9txn
MUIR GLENN PCIK · 1181190	4 Trade	CYTEK BIOSCIENCES, INC.CIK · 1831915	Aug 20, 2026 Aug 20, 2026	2txn
HOLDER MICHAELCIK · 1515140	4 Trade	CYTEK BIOSCIENCES, INC.CIK · 1831915	Aug 20, 2026 Aug 20, 2026	2txn
CHIN RICHARDCIK · 1337252	4 Trade	CYTEK BIOSCIENCES, INC.CIK · 1831915	Aug 20, 2026 Aug 20, 2026	2txn
YAN MINGCIK · 1874041	4 Trade	CYTEK BIOSCIENCES, INC.CIK · 1831915	Aug 20, 2026 Aug 20, 2026	12txn
JIANG WENBINCIK · 1872873	4 Trade	CYTEK BIOSCIENCES, INC.CIK · 1831915	Aug 20, 2026 Aug 20, 2026	12txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	13F-HR Holdings	—	Aug 14, 2026 Aug 14, 2026	—
FEUCHTWANG ILANCIK · 2141966	4 Trade	CYTEK BIOSCIENCES, INC.CIK · 1831915	Aug 12, 2026 Aug 12, 2026	2txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	ARS PHARMACEUTICALS, INC.CIK · 1671858	Jun 26, 2026 Jun 26, 2026	1txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	ACRIVON THERAPEUTICS, INC.CIK · 1781174	Jun 22, 2026 Jun 22, 2026	1txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	PEPGEN INC.CIK · 1835597	Jun 22, 2026 Jun 22, 2026	1txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	LENZ THERAPEUTICS, INC.CIK · 1815776	Jun 16, 2026 Jun 16, 2026	1txn
YAN MINGCIK · 1874041	4 Trade	CYTEK BIOSCIENCES, INC.CIK · 1831915	Jun 16, 2026 Jun 16, 2026	1txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	JANUX THERAPEUTICS, INC.CIK · 1817713	Jun 13, 2026 Jun 13, 2026	4txn
BALL JACKCIK · 1873083	4 Trade	CYTEK BIOSCIENCES, INC.CIK · 1831915	Jun 12, 2026 Jun 12, 2026	2txn
MUIR GLENN PCIK · 1181190	4 Trade	CYTEK BIOSCIENCES, INC.CIK · 1831915	Jun 12, 2026 Jun 12, 2026	2txn
CHIN RICHARDCIK · 1337252	4 Trade	CYTEK BIOSCIENCES, INC.CIK · 1831915	Jun 12, 2026 Jun 12, 2026	2txn
IMPER VERACIK · 1902959	4 Trade	CYTEK BIOSCIENCES, INC.CIK · 1831915	Jun 12, 2026 Jun 12, 2026	4txn
NEFF DEBORAH JCIK · 1221786	4 Trade	CYTEK BIOSCIENCES, INC.CIK · 1831915	Jun 12, 2026 Jun 12, 2026	4txn
HOLDER MICHAELCIK · 1515140	4 Trade	CYTEK BIOSCIENCES, INC.CIK · 1831915	Jun 12, 2026 Jun 12, 2026	4txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	NKARTA, INC.CIK · 1787400	Jun 11, 2026 Jun 11, 2026	1txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Jun 5, 2026 Jun 5, 2026	5txn
HOLDER MICHAELCIK · 1515140	4 Trade	CYTEK BIOSCIENCES, INC.CIK · 1831915	May 20, 2026 May 20, 2026	2txn
CHIN RICHARDCIK · 1337252	4 Trade	CYTEK BIOSCIENCES, INC.CIK · 1831915	May 20, 2026 May 20, 2026	2txn

Page 1 of 23 · 575 total