Insider · CIK 0001480772

Zhou Jeff

Reports to the SEC for 1 company · WEST PALM BEACH, FL

sec.gov

Transactions

Companies

Filings

CIK

0001480772

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-05-26	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−486 sh	$1680.00	−$816K	3,800
2026-05-06	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−500 sh	$1650.00	−$825K	4,286
2026-05-05	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−514 sh	$1574.48	−$809K	5,286
2026-05-05	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−500 sh	$1600.00	−$800K	4,786
2026-02-03	MPWRMONOLITHIC POWER SYSTEMS, INC.A Award	Director	AAward	+189 sh	—	—	5,800
2025-08-27	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−193 sh	$870.00	−$168K	5,611
2025-08-13	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−400 sh	$850.00	−$340K	5,804
2025-08-12	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−200 sh	$830.00	−$166K	6,204
2025-02-04	MPWRMONOLITHIC POWER SYSTEMS, INC.A Award	Director	AAward	+335 sh	—	—	6,404
2024-05-20	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−200 sh	$750.00	−$150K	6,069
2024-02-12	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−200 sh	$750.57	−$150K	6,269
2024-02-06	MPWRMONOLITHIC POWER SYSTEMS, INC.A Award	Director	AAward	+348 sh	—	—	6,469
2023-02-07	MPWRMONOLITHIC POWER SYSTEMS, INC.A Award	Director	AAward	+470 sh	—	—	6,121
2022-08-11	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−200 sh	$540.00	−$108K	5,651
2022-08-03	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−200 sh	$520.00	−$104K	5,851
2022-02-08	MPWRMONOLITHIC POWER SYSTEMS, INC.A Award	Director	AAward	+542 sh	—	—	6,051
2021-08-24	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−300 sh	$490.00	−$147K	5,509
2021-08-20	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−300 sh	$477.00	−$143K	5,809
2021-08-04	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−400 sh	$465.22	−$186K	6,109
2021-07-23	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−500 sh	$410.00	−$205K	6,509
2021-07-21	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−500 sh	$400.00	−$200K	7,509
2021-07-21	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−500 sh	$405.02	−$203K	7,009
2021-07-14	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−500 sh	$390.32	−$195K	8,509
2021-07-14	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−500 sh	$395.00	−$198K	8,009
2021-07-07	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−500 sh	$387.27	−$194K	9,009
2021-07-06	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−500 sh	$380.00	−$190K	9,509
2021-06-28	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−1,000 sh	$367.65	−$368K	10,509
2021-06-28	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−250 sh	$370.00	−$92.5K	10,259
2021-06-28	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−250 sh	$375.00	−$93.8K	10,009
2021-02-12	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−200 sh	$388.00	−$77.6K	11,509
2021-02-02	MPWRMONOLITHIC POWER SYSTEMS, INC.A Award	Director	AAward	+533 sh	—	—	11,709
2020-08-28	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−200 sh	$266.35	−$53.3K	11,369
2020-08-28	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−193 sh	$268.00	−$51.7K	11,176
2020-08-07	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−200 sh	$283.00	−$56.6K	11,569
2020-08-06	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−200 sh	$279.00	−$55.8K	11,769
2020-08-05	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−200 sh	$276.00	−$55.2K	11,969
2020-08-04	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−47 sh	$273.00	−$12.8K	12,169
2020-08-03	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−153 sh	$273.00	−$41.8K	12,216
2020-07-31	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−300 sh	$271.62	−$81.5K	12,369
2020-05-12	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−1,000 sh	$216.00	−$216K	13,669
2020-05-12	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−1,000 sh	$218.00	−$218K	12,669
2020-05-07	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−590 sh	$205.00	−$121K	14,669
2020-05-05	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−500 sh	$198.00	−$99K	15,259
2020-02-13	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−500 sh	$191.00	−$95.5K	15,759
2020-02-12	MPWRMONOLITHIC POWER SYSTEMS, INC.A Award	Director	AAward	+1,048 sh	—	—	16,259
2020-02-11	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−500 sh	$185.00	−$92.5K	15,744
2020-02-11	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−533 sh	$187.00	−$99.7K	15,211
2020-02-10	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−1,500 sh	$182.24	−$273K	16,244
2019-08-01	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−1,747 sh	$157.00	−$274K	17,744
2019-07-24	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	Director	SSale	−1,000 sh	$150.00	−$150K	19,491

Recent filings

Accepted (ET)
May 274
Zhou Jeff0001214659-26-006804
SEC(opens sec.gov)
May 64
Zhou Jeff0001214659-26-005690
SEC(opens sec.gov)
Feb 54
Zhou Jeff0001214659-26-001261
SEC(opens sec.gov)
Aug 284
Zhou Jeff0001214659-25-012975
SEC(opens sec.gov)
Aug 154
Zhou Jeff0001214659-25-012344
SEC(opens sec.gov)
Aug 134
Zhou Jeff0001214659-25-012012
SEC(opens sec.gov)
Feb 64
Zhou Jeff0001214659-25-002112
SEC(opens sec.gov)
May 224
Zhou Jeff0001214659-24-009809
SEC(opens sec.gov)
Feb 134
Zhou Jeff0001214659-24-002430
SEC(opens sec.gov)
Feb 84
Zhou Jeff0001214659-24-002150
SEC(opens sec.gov)
Feb 84
Zhou Jeff0001214659-23-001846
SEC(opens sec.gov)
Aug 124
Zhou Jeff0001214659-22-010040
SEC(opens sec.gov)
Aug 34
Zhou Jeff0001214659-22-009595
SEC(opens sec.gov)
Feb 94
Zhou Jeff0001214659-22-002140
SEC(opens sec.gov)
Aug 264
Zhou Jeff0001214659-21-009036
SEC(opens sec.gov)
Aug 234
Zhou Jeff0001214659-21-008911
SEC(opens sec.gov)
Aug 54
Zhou Jeff0001214659-21-008192
SEC(opens sec.gov)
Jul 264
Zhou Jeff0001214659-21-007831
SEC(opens sec.gov)

Companies

MONOLITHIC POWER SYSTEMS, INC.DirectorMPWR

Address

1555 PALM BEACH LAKES BLVD.

WEST PALM BEACH, FL, 33401