Saria Tseng

MPWR

Saria Tseng serves as officer: EVP & General Counsel at Monolithic Power Systems, Inc. (MPWR). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

55 trades

$312.40M

Net Position

Net Seller

$312.40M

Companies Traded

MPWR

Active Period

Apr 2021 – Apr 2026

55 total trades

Most Recent

Sell MPWR

Apr 10, 2026 · $11.54M

Saria Tseng's Insider Trading at Monolithic Power Systems, Inc. (MPWR)

Buys

0 · $0.00

Sells

50 · $307.03M

Total Shares Bought

Total Shares Sold

375,034

MPWR Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Apr 10, 2026	Sell	8,843	$1305.46	$11.54M	165,386
Apr 8, 2026	Sell	7,636	$1167.95	$8.92M	173,338
Apr 1, 2026	Sell	25,674	$1010.50	$25.94M	195,502
Feb 10, 2026	Sell	22,875	$1171.17	$26.79M	200,626
Nov 28, 2025	Sell	40,000	$915.33	$36.61M	0
Oct 31, 2025	Sell	54,543	$1096.63	$59.81M	0
Oct 24, 2025	Sell	1,300	$1087.62	$1.41M	0
Oct 17, 2025	Sell	16,840	$1017.77	$17.14M	0
Sep 23, 2025	Sell	14,510	$914.45	$13.27M	0
Feb 12, 2025	Sell	663	$717.10	$475.4K	0
Nov 13, 2024	Sell	866	$765.14	$662.6K	159,640
Aug 12, 2024	Sell	859	$778.39	$668.6K	160,506
Jul 24, 2024	Sell	3,205	$831.58	$2.67M	161,365
Jul 2, 2024	Sell	38,951	$808.99	$31.51M	202,423
May 9, 2024	Sell	869	$690.02	$599.6K	203,521
Feb 9, 2024	Sell	859	$680.00	$584.1K	204,339
Feb 7, 2024	Sell	982	$641.00	$629.5K	205,198
Jan 10, 2024	Sell	1,390	$600.00	$834.0K	206,180
Jan 8, 2024	Sell	25,314	$583.14	$14.76M	207,570
Dec 14, 2023	Sell	18,610	$600.00	$11.17M	232,884
Nov 9, 2023	Sell	859	$490.39	$421.2K	251,494
Nov 7, 2023	Sell	982	$492.92	$484.0K	252,353
Oct 4, 2023	Sell	4,305	$458.30	$1.97M	253,335
Aug 10, 2023	Sell	874	$530.27	$463.5K	257,623
Aug 7, 2023	Sell	988	$526.52	$520.2K	258,497
Jul 25, 2023	Sell	9,615	$534.23	$5.14M	259,485
Jul 5, 2023	Sell	4,305	$537.79	$2.32M	269,100
May 10, 2023	Sell	857	$409.81	$351.2K	273,405
May 5, 2023	Sell	991	$459.60	$455.5K	274,262
May 4, 2023	Sell	3,462	$463.55	$1.60M	275,253
Apr 6, 2023	Sell	4,360	$487.99	$2.13M	270,030
Feb 13, 2023	Sell	1,639	$492.31	$806.9K	274,360
Feb 10, 2023	Sell	6,922	$462.41	$3.20M	275,999
Feb 8, 2023	Sell	723	$446.88	$323.1K	248,181
Jan 5, 2023	Sell	5,528	$344.96	$1.91M	248,904
Nov 16, 2022	Sell	1,664	$392.70	$653.5K	254,711
Nov 7, 2022	Sell	982	$343.98	$337.8K	256,096
Oct 4, 2022	Sell	4,305	$372.60	$1.60M	257,078
Aug 12, 2022	Sell	1,633	$525.95	$858.9K	261,367
Aug 8, 2022	Sell	984	$522.39	$514.0K	263,000
Jul 6, 2022	Sell	4,515	$361.58	$1.63M	263,984
May 16, 2022	Sell	1,679	$388.10	$651.6K	268,499
May 5, 2022	Sell	986	$453.16	$446.8K	270,178
Apr 5, 2022	Sell	4,420	$467.23	$2.07M	271,164
Feb 16, 2022	Sell	1,663	$429.60	$714.4K	275,546
Feb 9, 2022	Sell	9,093	$399.62	$3.63M	278,909
Jan 5, 2022	Sell	4,305	$490.87	$2.11M	246,603
Nov 16, 2021	Sell	1,625	$553.42	$899.3K	250,907
Oct 5, 2021	Sell	4,330	$476.16	$2.06M	254,554
Aug 16, 2021	Sell	1,651	$457.10	$754.7K	258,861