MONOLITHIC POWER SYSTEMS, INC.

PublicCIK: 1280452

MPWRNASDAQ

Location

WEST PALM BEACH, FL

HSING MICHAEL

→MONOLITHIC POWER SYSTEMS, INC.

Sep 30, 2026·Sep 30, 2026

10 txn

HSING MICHAEL

144

→MONOLITHIC POWER SYSTEMS, INC.

Sep 28, 2026·Sep 28, 2026

TSENG SARIA

→MONOLITHIC POWER SYSTEMS, INC.

Sep 2, 2026·Sep 2, 2026

3 txn

DEAN ROBERT W II

→MONOLITHIC POWER SYSTEMS, INC.

Aug 26, 2026·Aug 26, 2026

3 txn

CHANG KUO WEI HERBERT

→MONOLITHIC POWER SYSTEMS, INC.

Aug 25, 2026·Aug 25, 2026

1 txn

DEAN ROBERT W II

144

→MONOLITHIC POWER SYSTEMS, INC.

Aug 25, 2026·Aug 25, 2026

-4

DEAN ROBERT W II

→MONOLITHIC POWER SYSTEMS, INC.

Aug 20, 2026·Aug 20, 2026

2 txn

DEAN ROBERT W II

144

→MONOLITHIC POWER SYSTEMS, INC.

Aug 17, 2026·Aug 17, 2026

-4

CHANG KUO WEI HERBERT

→MONOLITHIC POWER SYSTEMS, INC.

Aug 13, 2026·Aug 13, 2026

1 txn

CHANG KUO WEI HERBERT

144

→MONOLITHIC POWER SYSTEMS, INC.

Aug 11, 2026·Aug 11, 2026

SCIAMMAS MAURICE

→MONOLITHIC POWER SYSTEMS, INC.

Aug 7, 2026·Aug 7, 2026

12 txn

DEAN ROBERT W II

→MONOLITHIC POWER SYSTEMS, INC.

Aug 6, 2026·Aug 6, 2026

2 txn

SCIAMMAS MAURICE

→MONOLITHIC POWER SYSTEMS, INC.

Aug 5, 2026·Aug 5, 2026

12 txn

DEAN ROBERT W II

144

→MONOLITHIC POWER SYSTEMS, INC.

Aug 5, 2026·Aug 5, 2026

-3

DEAN ROBERT W II

→MONOLITHIC POWER SYSTEMS, INC.

Jul 28, 2026·Jul 28, 2026

2 txn

SCIAMMAS MAURICE

→MONOLITHIC POWER SYSTEMS, INC.

Jul 17, 2026·Jul 17, 2026

29 txn

SCIAMMAS MAURICE

144

→MONOLITHIC POWER SYSTEMS, INC.

Jul 15, 2026·Jul 15, 2026

-6

SCIAMMAS MAURICE

→MONOLITHIC POWER SYSTEMS, INC.

Jul 6, 2026·Jul 6, 2026

12 txn

SCIAMMAS MAURICE

→MONOLITHIC POWER SYSTEMS, INC.

Jun 3, 2026·Jun 3, 2026

12 txn

SCIAMMAS MAURICE

→MONOLITHIC POWER SYSTEMS, INC.

Jun 2, 2026·Jun 2, 2026

12 txn

BLEGEN THEODORE

144

→MONOLITHIC POWER SYSTEMS, INC.

Jun 1, 2026·Jun 1, 2026

-4

TSENG SARIA

→MONOLITHIC POWER SYSTEMS, INC.

May 29, 2026·May 29, 2026

2 txn

DEAN ROBERT W II

→MONOLITHIC POWER SYSTEMS, INC.

May 28, 2026·May 28, 2026

2 txn

TSENG SARIA

144

→MONOLITHIC POWER SYSTEMS, INC.

May 28, 2026·May 28, 2026

-6

ZHOU JEFF

→MONOLITHIC POWER SYSTEMS, INC.

May 27, 2026·May 27, 2026

1 txn

Page 1 of 40 · 1,000 total

Filer	Form	Target	Filed	Activity
HSING MICHAELCIK · 1308676	4 Trade	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Sep 30, 2026 Sep 30, 2026	10txn
HSING MICHAELCIK · 1308676	144 Sale	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Sep 28, 2026 Sep 28, 2026	—
TSENG SARIACIK · 1312593	4 Trade	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Sep 2, 2026 Sep 2, 2026	3txn
DEAN ROBERT W IICIK · 1445300	4 Trade	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Aug 26, 2026 Aug 26, 2026	3txn
CHANG KUO WEI HERBERTCIK · 1192171	4 Trade	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Aug 25, 2026 Aug 25, 2026	1txn
DEAN ROBERT W IICIK · 1445300	144 Sale	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Aug 25, 2026 Aug 25, 2026	—
DEAN ROBERT W IICIK · 1445300	4 Trade	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Aug 20, 2026 Aug 20, 2026	2txn
DEAN ROBERT W IICIK · 1445300	144 Sale	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Aug 17, 2026 Aug 17, 2026	—
CHANG KUO WEI HERBERTCIK · 1192171	4 Trade	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Aug 13, 2026 Aug 13, 2026	1txn
CHANG KUO WEI HERBERTCIK · 1192171	144 Sale	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Aug 11, 2026 Aug 11, 2026	—
SCIAMMAS MAURICECIK · 1360833	4 Trade	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Aug 7, 2026 Aug 7, 2026	12txn
DEAN ROBERT W IICIK · 1445300	4 Trade	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Aug 6, 2026 Aug 6, 2026	2txn
SCIAMMAS MAURICECIK · 1360833	4 Trade	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Aug 5, 2026 Aug 5, 2026	12txn
DEAN ROBERT W IICIK · 1445300	144 Sale	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Aug 5, 2026 Aug 5, 2026	—
DEAN ROBERT W IICIK · 1445300	4 Trade	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Jul 28, 2026 Jul 28, 2026	2txn
SCIAMMAS MAURICECIK · 1360833	4 Trade	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Jul 17, 2026 Jul 17, 2026	29txn
SCIAMMAS MAURICECIK · 1360833	144 Sale	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Jul 15, 2026 Jul 15, 2026	—
SCIAMMAS MAURICECIK · 1360833	4 Trade	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Jul 6, 2026 Jul 6, 2026	12txn
SCIAMMAS MAURICECIK · 1360833	4 Trade	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Jun 3, 2026 Jun 3, 2026	12txn
SCIAMMAS MAURICECIK · 1360833	4 Trade	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Jun 2, 2026 Jun 2, 2026	12txn
BLEGEN THEODORECIK · 1415033	144 Sale	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	Jun 1, 2026 Jun 1, 2026	—
TSENG SARIACIK · 1312593	4 Trade	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	May 29, 2026 May 29, 2026	2txn
DEAN ROBERT W IICIK · 1445300	4 Trade	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	May 28, 2026 May 28, 2026	2txn
TSENG SARIACIK · 1312593	144 Sale	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	May 28, 2026 May 28, 2026	—
ZHOU JEFFCIK · 1480772	4 Trade	MONOLITHIC POWER SYSTEMS, INC.CIK · 1280452	May 27, 2026 May 27, 2026	1txn

Page 1 of 40 · 1,000 total