AMPRIUS TECHNOLOGIES, INC.

PublicCIK: 1899287

AMPXNYSEAMPX-WTNYSE

Location

FREMONT, CA

QUAIN MITCHELL I

→ASTRONOVA, INC.

Aug 26, 2026·Aug 26, 2026

4 txn

SUN KANG

→AMPRIUS TECHNOLOGIES, INC.

Aug 25, 2026·Aug 25, 2026

2 txn

SUN KANG

144

→AMPRIUS TECHNOLOGIES, INC.

Aug 25, 2026·Aug 25, 2026

-2

STEFAN CONSTANTIN IONEL

→AMPRIUS TECHNOLOGIES, INC.

Aug 25, 2026·Aug 25, 2026

1 txn

STEFAN CONSTANTIN IONEL

144

→AMPRIUS TECHNOLOGIES, INC.

Aug 25, 2026·Aug 25, 2026

-2

STEPIEN THOMAS M

→AMPRIUS TECHNOLOGIES, INC.

Aug 25, 2026·Aug 25, 2026

7 txn

STEPIEN THOMAS M

144

→AMPRIUS TECHNOLOGIES, INC.

Aug 25, 2026·Aug 25, 2026

-4

STEPIEN THOMAS M

144

→AMPRIUS TECHNOLOGIES, INC.

Aug 24, 2026·Aug 24, 2026

-4

BAYLESS KATHLEEN A

→AMPRIUS TECHNOLOGIES, INC.

Jun 16, 2026·Jun 16, 2026

1 txn

SATTERTHWAITE LIVINGSTON

→AMPRIUS TECHNOLOGIES, INC.

Jun 16, 2026·Jun 16, 2026

1 txn

DIXON DONALD R

→AMPRIUS TECHNOLOGIES, INC.

Jun 16, 2026·Jun 16, 2026

3 txn

CHU STEVEN

→AMPRIUS TECHNOLOGIES, INC.

Jun 16, 2026·Jun 16, 2026

1 txn

DIXON DONALD R

→AMPRIUS TECHNOLOGIES, INC.

Jun 11, 2026·Jun 11, 2026

3 txn

HSIEH WEN HSUAN

→AMBIQ MICRO, INC.

Jun 10, 2026·Jun 10, 2026

2 txn

DIXON DONALD R

144

→AMPRIUS TECHNOLOGIES, INC.

Jun 8, 2026·Jun 8, 2026

-2

STEPIEN THOMAS M

→AMPRIUS TECHNOLOGIES, INC.

Jun 5, 2026·Jun 5, 2026

4 txn

STEPIEN THOMAS M

144

→AMPRIUS TECHNOLOGIES, INC.

Jun 4, 2026·Jun 4, 2026

-4

SUN KANG

→AMPRIUS TECHNOLOGIES, INC.

May 28, 2026·May 28, 2026

2 txn

SUN KANG

144

→AMPRIUS TECHNOLOGIES, INC.

May 28, 2026·May 28, 2026

-6

STEPIEN THOMAS M

→AMPRIUS TECHNOLOGIES, INC.

May 28, 2026·May 28, 2026

1 txn

STEPIEN THOMAS M

144

→AMPRIUS TECHNOLOGIES, INC.

May 28, 2026·May 28, 2026

-2

STEFAN CONSTANTIN IONEL

→AMPRIUS TECHNOLOGIES, INC.

May 28, 2026·May 28, 2026

1 txn

STEFAN CONSTANTIN IONEL

144

→AMPRIUS TECHNOLOGIES, INC.

May 28, 2026·May 28, 2026

-2

DIXON DONALD R

→AMPRIUS TECHNOLOGIES, INC.

May 28, 2026·May 28, 2026

3 txn

SUN KANG

→AMPRIUS TECHNOLOGIES, INC.

May 26, 2026·May 26, 2026

2 txn

Page 1 of 11 · 275 total

Filer	Form	Target	Filed	Activity
QUAIN MITCHELL ICIK · 1213693	4 Trade	ASTRONOVA, INC.CIK · 8146	Aug 26, 2026 Aug 26, 2026	4txn
SUN KANGCIK · 1476220	4 Trade	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	Aug 25, 2026 Aug 25, 2026	2txn
SUN KANGCIK · 1476220	144 Sale	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	Aug 25, 2026 Aug 25, 2026	—
STEFAN CONSTANTIN IONELCIK · 1940928	4 Trade	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	Aug 25, 2026 Aug 25, 2026	1txn
STEFAN CONSTANTIN IONELCIK · 1940928	144 Sale	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	Aug 25, 2026 Aug 25, 2026	—
STEPIEN THOMAS MCIK · 2067233	4 Trade	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	Aug 25, 2026 Aug 25, 2026	7txn
STEPIEN THOMAS MCIK · 2067233	144 Sale	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	Aug 25, 2026 Aug 25, 2026	—
STEPIEN THOMAS MCIK · 2067233	144 Sale	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	Aug 24, 2026 Aug 24, 2026	—
BAYLESS KATHLEEN ACIK · 1230569	4 Trade	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	Jun 16, 2026 Jun 16, 2026	1txn
SATTERTHWAITE LIVINGSTONCIK · 1517394	4 Trade	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	Jun 16, 2026 Jun 16, 2026	1txn
DIXON DONALD RCIK · 1045434	4 Trade	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	Jun 16, 2026 Jun 16, 2026	3txn
CHU STEVENCIK · 1296381	4 Trade	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	Jun 16, 2026 Jun 16, 2026	1txn
DIXON DONALD RCIK · 1045434	4 Trade	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	Jun 11, 2026 Jun 11, 2026	3txn
HSIEH WEN HSUANCIK · 1835160	4 Trade	AMBIQ MICRO, INC.CIK · 1500412	Jun 10, 2026 Jun 10, 2026	2txn
DIXON DONALD RCIK · 1045434	144 Sale	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	Jun 8, 2026 Jun 8, 2026	—
STEPIEN THOMAS MCIK · 2067233	4 Trade	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	Jun 5, 2026 Jun 5, 2026	4txn
STEPIEN THOMAS MCIK · 2067233	144 Sale	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	Jun 4, 2026 Jun 4, 2026	—
SUN KANGCIK · 1476220	4 Trade	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	May 28, 2026 May 28, 2026	2txn
SUN KANGCIK · 1476220	144 Sale	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	May 28, 2026 May 28, 2026	—
STEPIEN THOMAS MCIK · 2067233	4 Trade	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	May 28, 2026 May 28, 2026	1txn
STEPIEN THOMAS MCIK · 2067233	144 Sale	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	May 28, 2026 May 28, 2026	—
STEFAN CONSTANTIN IONELCIK · 1940928	4 Trade	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	May 28, 2026 May 28, 2026	1txn
STEFAN CONSTANTIN IONELCIK · 1940928	144 Sale	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	May 28, 2026 May 28, 2026	—
DIXON DONALD RCIK · 1045434	4 Trade	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	May 28, 2026 May 28, 2026	3txn
SUN KANGCIK · 1476220	4 Trade	AMPRIUS TECHNOLOGIES, INC.CIK · 1899287	May 26, 2026 May 26, 2026	2txn

Page 1 of 11 · 275 total