Insider · CIK 0001308647

Xiao Deming

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

sec.gov

Transactions

Companies

Filings

CIK

0001308647

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-05-06	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−3,329 sh	$1648.38	−$5.49M	232,630
2026-05-06	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−14.2K sh	$1652.80	−$23.4M	218,463
2026-05-06	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−11.6K sh	$1657.93	−$19.2M	206,866
2026-05-06	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−907 sh	$1661.38	−$1.51M	205,959
2026-02-06	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−22.9K sh	$1171.16	−$26.8M	235,932
2026-02-03	MPWRMONOLITHIC POWER SYSTEMS, INC.A Award	EVP, Global Operations	AAward	+57.2K sh	—	—	258,807
2025-10-30	MPWRMONOLITHIC POWER SYSTEMS, INC.F Tax Payment	EVP, Global Operations	FTax Payment	−54.5K sh	$1096.63	−$59.8M	201,637
2025-10-25	MPWRMONOLITHIC POWER SYSTEMS, INC.A Award	EVP, Global Operations	AAward	+136K sh	—	—	256,180
2025-08-11	MPWRMONOLITHIC POWER SYSTEMS, INC.G Gift	EVP, Global Operations	GGift	+945 sh	—	—	4,336
2025-08-11	MPWRMONOLITHIC POWER SYSTEMS, INC.G Gift	EVP, Global Operations	GGift	−945 sh	—	—	120,660
2025-08-01	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−40K sh	$780.00	−$31.2M	121,605
2025-02-10	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−662 sh	$717.10	−$475K	161,577
2024-11-08	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−866 sh	$765.14	−$663K	162,239
2024-08-27	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−9,259 sh	$950.00	−$8.8M	20,455
2024-08-22	MPWRMONOLITHIC POWER SYSTEMS, INC.G Gift	EVP, Global Operations	GGift	−8,968 sh	—	—	163,105
2024-08-22	MPWRMONOLITHIC POWER SYSTEMS, INC.G Gift	EVP, Global Operations	GGift	+8,968 sh	—	—	39,714
2024-08-22	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−10K sh	$950.00	−$9.5M	29,714
2024-08-19	MPWRMONOLITHIC POWER SYSTEMS, INC.G Gift	EVP, Global Operations	GGift	−30.3K sh	—	—	172,073
2024-08-19	MPWRMONOLITHIC POWER SYSTEMS, INC.G Gift	EVP, Global Operations	GGift	+30.3K sh	—	—	30,746
2024-08-08	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−859 sh	$778.39	−$669K	202,354
2024-07-22	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−3,205 sh	$831.58	−$2.67M	203,213
2024-05-22	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−1,300 sh	$769.40	−$1M	206,418
2024-05-10	MPWRMONOLITHIC POWER SYSTEMS, INC.G Gift	EVP, Global Operations	GGift	−29 sh	—	—	207,718
2024-05-08	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−869 sh	$690.02	−$600K	207,747
2024-02-08	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−859 sh	$680.00	−$584K	208,580
2024-02-05	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−982 sh	$641.00	−$629K	209,439
2024-01-10	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−500 sh	$584.39	−$292K	221,436
2024-01-10	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−700 sh	$586.21	−$410K	220,736
2024-01-10	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−1,079 sh	$587.84	−$634K	219,657
2024-01-10	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−1,757 sh	$588.44	−$1.03M	217,900
2024-01-10	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−2,387 sh	$589.52	−$1.41M	215,513
2024-01-10	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−3,718 sh	$590.37	−$2.19M	211,795
2024-01-10	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−930 sh	$591.34	−$550K	210,865
2024-01-10	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−200 sh	$592.38	−$118K	210,665
2024-01-10	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−10 sh	$593.00	−$5,930	210,655
2024-01-10	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−204 sh	$594.13	−$121K	210,451
2024-01-10	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−30 sh	$596.19	−$17.9K	210,421
2024-01-04	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−25.3K sh	$583.14	−$14.8M	221,936
2023-11-14	MPWRMONOLITHIC POWER SYSTEMS, INC.G Gift	EVP, Global Operations	GGift	−3,391 sh	—	—	247,250
2023-11-14	MPWRMONOLITHIC POWER SYSTEMS, INC.G Gift	EVP, Global Operations	GGift	+3,391 sh	—	—	3,391
2023-11-08	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−859 sh	$490.39	−$421K	250,641
2023-11-06	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−982 sh	$492.92	−$484K	251,500
2023-10-02	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−4,305 sh	$458.30	−$1.97M	252,482
2023-08-08	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−874 sh	$530.26	−$463K	256,770
2023-08-04	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−988 sh	$526.53	−$520K	257,644
2023-07-21	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−9,615 sh	$534.23	−$5.14M	258,632
2023-07-03	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−4,305 sh	$537.79	−$2.32M	268,247
2023-05-09	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−857 sh	$409.79	−$351K	272,552
2023-05-04	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−991 sh	$459.60	−$455K	273,409
2023-05-03	MPWRMONOLITHIC POWER SYSTEMS, INC.S Sale	EVP, Global Operations	SSale	−3,462 sh	$463.55	−$1.6M	274,400

Recent filings

Accepted (ET)
May 84
Xiao Deming0001214659-26-005858
SEC(opens sec.gov)
Feb 104
Xiao Deming0001214659-26-001451
SEC(opens sec.gov)
Feb 54
Xiao Deming0001214659-26-001256
SEC(opens sec.gov)
Oct 314
Xiao Deming0001214659-25-015706
SEC(opens sec.gov)
Oct 284
Xiao Deming0001214659-25-015475
SEC(opens sec.gov)
Aug 124
Xiao Deming0001214659-25-011873
SEC(opens sec.gov)
Aug 44
Xiao Deming0001214659-25-011471
SEC(opens sec.gov)
Feb 124
Xiao Deming0001214659-25-002484
SEC(opens sec.gov)
Nov 134
Xiao Deming0001214659-24-018890
SEC(opens sec.gov)
Aug 294
Xiao Deming0001214659-24-015601
SEC(opens sec.gov)
Aug 224
Xiao Deming0001214659-24-015184
SEC(opens sec.gov)
Aug 214
Xiao Deming0001214659-24-015122
SEC(opens sec.gov)
Aug 124
Xiao Deming0001214659-24-014224
SEC(opens sec.gov)

Companies

MONOLITHIC POWER SYSTEMS, INC.EVP, Global OperationsMPWR

Address

1555 PALM BEACH LAKES BLVD.

WEST PALM BEACH, FL, 33401