Companies / Monolithic Power Systems Inc / Activity

Activity — Monolithic Power Systems Inc

166 moves.

Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
InsidersInstitutions
DateActorActionSecurityValueShares ΔPosition afterImpact
Feb 11, 2026Hsing Michael
CEO
SellCommon Stock$1.82M-2K
-0.16%
944,644
1.92% of shares
medium
Feb 11, 2026Hsing Michael
CEO
SellCommon Stock$1.79M-2K
-0.16%
950,972
1.94% of shares
medium
Feb 12, 2026Hsing Michael
CEO
SellCommon Stock$1.75M-1K
-0.16%
888,234
1.81% of shares
medium
Feb 12, 2026Hsing Michael
CEO
SellCommon Stock$1.73M-1K
-0.16%
894,554
1.82% of shares
medium
May 6, 2026Elmiger Eugen J
Director
SellCommon Stock$1.69M-1K
-6.63%
15,190
0.03% of shares
medium
Apr 8, 2026Tseng Saria
Executive
SellCommon Stock$1.67M-1K
-0.78%
162,187
0.33% of shares
medium
Apr 6, 2026Tseng Saria
Executive
SellCommon Stock$1.65M-1K
-0.83%
165,946
0.34% of shares
medium
Feb 11, 2026Hsing Michael
CEO
SellCommon Stock$1.59M-1K
-0.14%
952,505
1.94% of shares
medium
May 6, 2026Xiao Deming
Executive
SellCommon Stock$1.51M-907
-0.44%
205,959
0.42% of shares
medium
Feb 12, 2026Hsing Michael
CEO
SellCommon Stock$1.50M-1K
-0.14%
889,674
1.81% of shares
medium
Feb 10, 2026Hsing Michael
CEO
SellCommon Stock$1.40M-1K
-0.13%
956,448
1.95% of shares
medium
May 6, 2026Elmiger Eugen J
Director
SellCommon Stock$1.31M-834
-5.49%
14,356
0.03% of shares
medium
May 18, 2026Hsing Michael
CEO
SellCommon Stock$1.29M-862
-0.10%
856,602
1.74% of shares
medium
May 6, 2026Elmiger Eugen J
Director
SellCommon Stock$1.28M-814
-4.77%
16,268
0.03% of shares
medium
May 15, 2026Sciammas Maurice
Executive
SellCommon Stock$1.11M-703
-0.42%
167,141
0.34% of shares
medium
Apr 8, 2026Tseng Saria
Executive
SellCommon Stock$1.11M-840
-0.53%
157,103
0.32% of shares
medium
Apr 8, 2026Tseng Saria
Executive
SellCommon Stock$1.04M-800
-0.49%
163,466
0.33% of shares
medium
Feb 10, 2026Hsing Michael
CEO
SellCommon Stock$1.03M-880
-0.09%
954,514
1.94% of shares
medium
May 18, 2026Hsing Michael
CEO
SellCommon Stock$911.7K-608
-0.07%
855,994
1.74% of shares
medium
May 18, 2026Hsing Michael
CEO
SellCommon Stock$833.7K-551
-0.06%
848,745
1.73% of shares
medium
May 6, 2026Zhou Jeff
Director
SellCommon Stock$825.0K-500
-10.45%
4,286
<0.01% of shares
medium
May 6, 2026Elmiger Eugen J
Director
SellCommon Stock$822.5K-514
-8.69%
5,402
0.01% of shares
medium
May 26, 2026Zhou Jeff
Director
SellCommon Stock$816.5K-486
-11.34%
3,800
<0.01% of shares
medium
May 5, 2026Zhou Jeff
Director
SellCommon Stock$809.3K-514
-8.86%
5,286
0.01% of shares
medium
Feb 10, 2026Hsing Michael
CEO
SellCommon Stock$801.5K-694
-0.07%
955,754
1.94% of shares
medium
May 5, 2026Zhou Jeff
Director
SellCommon Stock$800.0K-500
-9.46%
4,786
<0.01% of shares
medium
Apr 6, 2026Tseng Saria
Executive
SellCommon Stock$797.3K-684
-0.40%
171,058
0.35% of shares
medium
Feb 11, 2026Hsing Michael
CEO
SellCommon Stock$780.3K-649
-0.07%
921,234
1.87% of shares
medium
Feb 12, 2026Hsing Michael
CEO
SellCommon Stock$716.6K-600
-0.07%
895,994
1.82% of shares
medium
Apr 8, 2026Tseng Saria
Executive
SellCommon Stock$709.2K-560
-0.34%
165,386
0.34% of shares
medium
May 15, 2026Sciammas Maurice
Executive
SellCommon Stock$707.2K-447
-0.27%
166,694
0.34% of shares
medium
Apr 1, 2026Tseng Saria
Executive
SellCommon Stock$651.6K-576
-0.33%
174,406
0.35% of shares
medium
Apr 6, 2026Tseng Saria
Executive
SellCommon Stock$649.4K-560
-0.33%
171,742
0.35% of shares
medium
Apr 6, 2026Tseng Saria
Executive
SellCommon Stock$636.3K-556
-0.32%
172,782
0.35% of shares
medium
Jan 2, 2026Blegen Theodore
Executive
SellCommon Stock$613.8K-650
-0.94%
68,452
0.14% of shares
medium
May 5, 2026Sciammas Maurice
Executive
SellCommon Stock$601.8K-380
-29.25%
919
<0.01% of shares
medium
Feb 12, 2026Hsing Michael
CEO
SellCommon Stock$566.8K-480
-0.05%
896,754
1.82% of shares
medium
Jan 2, 2026Lee Victor K
Director
SellCommon Stock$558.5K-600
-2.10%
27,967
0.06% of shares
medium
Apr 6, 2026Tseng Saria
Executive
SellCommon Stock$551.5K-480
-0.28%
172,302
0.35% of shares
medium
May 18, 2026Hsing Michael
CEO
SellCommon Stock$534.4K-352
-0.04%
848,393
1.73% of shares
medium
May 6, 2026Wynne Eileen
Director
SellCommon Stock$530.2K-335
-24.96%
1,007
<0.01% of shares
medium
Apr 8, 2026Tseng Saria
Executive
SellCommon Stock$516.8K-400
-0.24%
164,266
0.33% of shares
medium
Jan 2, 2026Blegen Theodore
Executive
SellCommon Stock$508.7K-539
-0.77%
69,102
0.14% of shares
medium
May 6, 2026Elmiger Eugen J
Director
SellCommon Stock$499.2K-320
-1.84%
17,082
0.03% of shares
medium
Feb 9, 2026Lee Victor K
Director
SellCommon Stock$484.9K-400
-1.42%
27,756
0.06% of shares
medium
Apr 8, 2026Tseng Saria
Executive
SellCommon Stock$457.3K-360
-0.22%
165,026
0.34% of shares
medium
Jan 2, 2026Blegen Theodore
Executive
SellCommon Stock$431.7K-460
-0.65%
70,278
0.14% of shares
medium
Feb 2, 2026Blegen Theodore
Executive
SellCommon Stock$429.6K-379
-0.57%
65,973
0.13% of shares
medium
Feb 11, 2026Hsing Michael
CEO
SellCommon Stock$420.6K-363
-0.04%
953,871
1.94% of shares
medium
Feb 10, 2026Hsing Michael
CEO
SellCommon Stock$418.1K-360
-0.04%
955,394
1.94% of shares
medium
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