InsiderTrades

Tseng Saria

SEC CIK 1312593 · EDGAR

Buying vs selling by month open-market trades, last 60 months, all 2 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
MPWRMonolithic Power SystemsVP, GC 142.2K — $272.29M 692021-07-012026-08-31
SMCISupermicroDir 29.9K — — 12021-06-302021-06-30

Most active insiders at MPWR, 12 months

#InsiderTitleBoughtSold
1 Hsing MichaelCEO, Dir —$314.44M
2 Tseng SariaEVP, GC —$150.90M
3 Sciammas MauriceEVP, WW Sales, Marketing —$101.39M
4 Xiao DemingEVP, Gbl Ops —$76.43M
5 BLEGEN THEODOREEVP, CFO —$40.19M
6 Elmiger Eugen JDir —$19.02M
7 Zhou JeffDir —$3.25M
8 Lee Victor KDir —$2.00M
9 Wynne EileenDir —$530.2K
10 CHANG KUO WEI HERBERTDir —$312.2K

Transactions 70

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-09-02 17:26 2026-08-31 MPWR Monolithic Power Systems Tseng Saria EVP, GC G - Gift $0.00 -2,000 142.2K -1% $0
I 2026-09-02 17:26 2026-08-31 MPWR Monolithic Power Systems Tseng Saria EVP, GC G - Gift $0.00 +2,000 2,000 New $0
2026-05-29 18:43 2026-05-27 MPWR Monolithic Power Systems Tseng Saria EVP, GC S - Sale $1,700.00 -7,565 144.2K -5% -$12.86M
2026-05-27 17:07 2026-05-22 MPWR Monolithic Power Systems Tseng Saria EVP, GC G - Gift $0.00 -200 156.8K -0.1% $0
2026-05-27 17:07 2026-05-22 MPWR Monolithic Power Systems Tseng Saria EVP, GC S - Sale $1,586.43 -5,000 151.8K -3% -$7.93M
MT 2026-04-10 12:46 2026-04-08 MPWR Monolithic Power Systems Tseng Saria EVP, GC S - Sale $1,305.22 -8,963 157.0K -5% -$11.70M
MT 2026-04-08 13:42 2026-04-06 MPWR Monolithic Power Systems Tseng Saria EVP, GC S - Sale $1,167.95 -7,636 165.9K -4% -$8.92M
MT 2026-04-03 17:36 2026-04-01 MPWR Monolithic Power Systems Tseng Saria EVP, GC S - Sale $1,133.52 -1,400 173.6K -0.8% -$1.59M
MT 2026-04-01 18:41 2026-03-30 MPWR Monolithic Power Systems Tseng Saria EVP, GC S - Sale $1,010.50 -25.7K 175.0K -13% -$25.94M
2026-02-10 2026-02-06 MPWR Monolithic Power Systems Tseng Saria EVP, GC S - Sale $1,171.16 -22.9K 200.6K -10% -$26.79M
2026-02-05 2026-02-03 MPWR Monolithic Power Systems Tseng Saria EVP, GC A - Grant $0.00 +57.2K 223.5K +34% $0
2025-12-30 2025-12-24 MPWR Monolithic Power Systems Tseng Saria EVP, GC G - Gift $0.00 -1,000 166.3K -0.6% $0
I 2025-12-30 2025-12-24 MPWR Monolithic Power Systems Tseng Saria EVP, GC G - Gift $0.00 +1,000 1,000 New $0
M 2025-11-28 2025-11-25 MPWR Monolithic Power Systems Tseng Saria EVP, GC S - Sale $904.18 -20.0K 189.7K -10% -$18.08M
M 2025-11-28 2025-11-26 MPWR Monolithic Power Systems Tseng Saria EVP, GC S - Sale $926.47 -20.0K 171.2K -10% -$18.53M
2025-10-31 2025-10-30 MPWR Monolithic Power Systems Tseng Saria EVP, GC F - Tax $1,096.63 -54.5K 207.3K -21% -$59.81M
2025-10-28 2025-10-25 MPWR Monolithic Power Systems Tseng Saria EVP, GC A - Grant $0.00 +135.5K 261.9K +107% $0
2025-10-24 2025-10-24 MPWR Monolithic Power Systems Tseng Saria EVP, GC S - Sale $1,087.62 -1,300 126.4K -1% -$1.41M
M 2025-10-17 2025-10-15+ MPWR Monolithic Power Systems Tseng Saria EVP, GC S - Sale $1,017.77 -16.8K 127.7K -12% -$17.14M
2025-09-23 2025-09-18 MPWR Monolithic Power Systems Tseng Saria EVP, GC S - Sale $914.45 -14.5K 144.5K -9% -$13.27M
2025-02-12 2025-02-10 MPWR Monolithic Power Systems Tseng Saria EVP, GC S - Sale $717.10 -663 159.0K -0.4% -$475.4K
2024-11-13 2024-11-08 MPWR Monolithic Power Systems Tseng Saria EVP, GC S - Sale $765.14 -866 159.6K -0.5% -$662.6K
2024-08-12 2024-08-08 MPWR Monolithic Power Systems Tseng Saria EVP, GC S - Sale $778.39 -859 160.5K -0.5% -$668.6K
2024-07-24 2024-07-22 MPWR Monolithic Power Systems Tseng Saria EVP, GC S - Sale $831.58 -3,205 161.4K -2% -$2.67M
2024-07-02 2024-07-02 MPWR Monolithic Power Systems Tseng Saria EVP, GC S - Sale $824.65 -1,858 164.6K -1% -$1.53M
M 2024-07-02 2024-07-01 MPWR Monolithic Power Systems Tseng Saria EVP, GC S - Sale $808.20 -37.1K 201.2K -16% -$29.98M
2024-05-09 2024-05-08 MPWR Monolithic Power Systems Tseng Saria EVP, GC S - Sale $690.02 -869 203.5K -0.4% -$599.6K
2024-02-09 2024-02-08 MPWR Monolithic Power Systems Tseng Saria GC, Executive VP S - Sale $680.00 -859 204.3K -0.4% -$584.1K
2024-02-07 2024-02-05 MPWR Monolithic Power Systems Tseng Saria GC, Executive VP S - Sale $641.00 -982 205.2K -0.5% -$629.5K
2024-01-10 2024-01-09 MPWR Monolithic Power Systems Tseng Saria GC, Executive VP S - Sale $600.00 -1,390 206.2K -0.7% -$834.0K
2024-01-08 2024-01-04 MPWR Monolithic Power Systems Tseng Saria GC, Executive VP S - Sale $583.14 -25.3K 207.6K -11% -$14.76M
2023-12-14 2023-12-13 MPWR Monolithic Power Systems Tseng Saria GC, Executive VP S - Sale $600.00 -18.6K 232.9K -7% -$11.17M
2023-11-09 2023-11-08 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $490.39 -859 251.5K -0.3% -$421.2K
2023-11-07 2023-11-06 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $492.92 -982 252.4K -0.4% -$484.0K
2023-10-04 2023-10-02 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $458.30 -4,305 253.3K -2% -$1.97M
2023-08-10 2023-08-08 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $530.27 -874 257.6K -0.3% -$463.5K
2023-08-07 2023-08-04 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $526.52 -988 258.5K -0.4% -$520.2K
2023-07-25 2023-07-21 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $534.23 -9,615 259.5K -4% -$5.14M
2023-07-05 2023-07-03 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $537.79 -4,305 269.1K -2% -$2.32M
2023-05-10 2023-05-09 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $409.81 -857 273.4K -0.3% -$351.2K
2023-05-05 2023-05-04 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $459.60 -991 274.3K -0.4% -$455.5K
2023-05-04 2023-05-03 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $463.55 -3,462 275.3K -1% -$1.60M
2023-05-04 2023-05-02 MPWR Monolithic Power Systems Tseng Saria VP, GC A - Grant $0.00 +8,685 278.7K +3% $0
2023-04-06 2023-04-03 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $487.99 -4,360 270.0K -2% -$2.13M
2023-02-13 2023-02-13 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $492.31 -1,639 274.4K -0.6% -$806.9K
2023-02-10 2023-02-08 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $462.41 -6,922 276.0K -2% -$3.20M
2023-02-08 2023-02-06 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $446.88 -723 248.2K -0.3% -$323.1K
2023-02-08 2023-02-07 MPWR Monolithic Power Systems Tseng Saria VP, GC A - Grant $0.00 +34.7K 282.9K +14% $0
2023-01-05 2023-01-03 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $344.96 -5,528 248.9K -2% -$1.91M
M 2022-11-16 2022-11-14+ MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $392.70 -1,664 254.7K -0.6% -$653.5K
2022-11-07 2022-11-04 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $343.98 -982 256.1K -0.4% -$337.8K
2022-10-04 2022-08-15 MPWR Monolithic Power Systems Tseng Saria VP, GC J - Other $414.43 +16 261.4K +0.0% +$6,631
2022-10-04 2022-10-03 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $372.60 -4,305 257.1K -2% -$1.60M
2022-08-12 2022-08-12 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $525.95 -1,633 261.4K -0.6% -$858.9K
2022-08-08 2022-08-04 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $522.39 -984 263.0K -0.4% -$514.0K
2022-07-06 2022-07-01 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $361.58 -4,515 264.0K -2% -$1.63M
2022-05-16 2022-05-12 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $388.10 -1,679 268.5K -0.6% -$651.6K
2022-05-05 2022-05-04 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $453.16 -986 270.2K -0.4% -$446.8K
2022-04-05 2022-04-01 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $467.23 -4,420 271.2K -2% -$2.07M
2022-02-16 2022-02-14 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $429.60 -1,663 275.5K -0.6% -$714.4K
M 2022-02-09 2022-02-07+ MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $399.62 -9,093 277.2K -3% -$3.63M
2022-02-04 2022-02-03 MPWR Monolithic Power Systems Tseng Saria VP, GC A - Grant $0.00 +39.7K 286.3K +16% $0
2022-01-05 2022-01-03 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $490.87 -4,305 246.6K -2% -$2.11M
2021-11-16 2021-11-12 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $553.42 -1,625 250.9K -0.6% -$899.3K
2021-11-10 2021-11-08 MPWR Monolithic Power Systems Tseng Saria VP, GC D - Sale to Iss $548.27 -2,022 257.4K -0.8% -$1.11M
2021-10-05 2021-10-01 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $476.16 -4,330 254.6K -2% -$2.06M
2021-08-16 2021-08-12 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $457.10 -1,651 258.9K -0.6% -$754.7K
2021-08-11 2021-08-09 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $459.12 -2,053 260.5K -0.8% -$942.6K
2021-07-06 2021-07-01 MPWR Monolithic Power Systems Tseng Saria VP, GC S - Sale $370.45 -4,305 262.6K -2% -$1.59M
D 2021-07-02 2021-06-30 SMCI Supermicro Tseng Saria Dir M - OptEx — +8,289 29.9K +38% —

Purchase Sale Sale after option exercise All abbreviations