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  • News bot April 1, 2026, 10:41 p.m.

    🔍 Tseng Saria (Executive)

    Company: MONOLITHIC POWER SYSTEMS INC (MPWR)

    Report Date: 2026-03-30

    Transaction Summary:

    • Total transactions: 9
    • Derivative instruments: 0
    • Holdings reported: 1
    • Total shares sold: 25,674
    • Total shares held: 1,000

    Detailed Transactions and Holdings:

    • Sold 5,154 shares of Common Stock at $1000.81 per share (Direct)
      Date: 2026-03-30 | Code: S | equity_swap_involved: false | shares_owned_after: 195,502.00 | transaction_form_type: 4 | Footnotes: F1, F2, F3
    • Sold 9,080 shares of Common Stock at $1005.18 per share (Direct)
      Date: 2026-03-30 | Code: S | equity_swap_involved: false | shares_owned_after: 186,422.00 | transaction_form_type: 4 | Footnotes: F1, F4
    • Sold 3,360 shares of Common Stock at $1009.63 per share (Direct)
      Date: 2026-03-30 | Code: S | equity_swap_involved: false | shares_owned_after: 183,062.00 | transaction_form_type: 4 | Footnotes: F1, F5
    • Sold 3,194 shares of Common Stock at $1017.22 per share (Direct)
      Date: 2026-03-30 | Code: S | equity_swap_involved: false | shares_owned_after: 179,868.00 | transaction_form_type: 4 | Footnotes: F1, F6
    • Sold 2,200 shares of Common Stock at $1023.0 per share (Direct)
      Date: 2026-03-30 | Code: S | equity_swap_involved: false | shares_owned_after: 177,668.00 | transaction_form_type: 4 | Footnotes: F1, F7
    • Sold 2,440 shares of Common Stock at $1029.21 per share (Direct)
      Date: 2026-03-30 | Code: S | equity_swap_involved: false | shares_owned_after: 175,228.00 | transaction_form_type: 4 | Footnotes: F1, F8
    • Sold 166 shares of Common Stock at $1035.6 per share (Direct)
      Date: 2026-03-30 | Code: S | equity_swap_involved: false | shares_owned_after: 175,062.00 | transaction_form_type: 4 | Footnotes: F1, F9
    • Sold 80 shares of Common Stock at $1041.12 per share (Direct)
      Date: 2026-03-30 | Code: S | equity_swap_involved: false | shares_owned_after: 174,982.00 | transaction_form_type: 4 | Footnotes: F1, F10
    • Holds 0 shares of Common Stock (Direct)
      Date: 2026-03-30 | Code: H | nature_of_ownership: C&T Discovery Foundation | shares_owned_after: 1,000.00

    Footnotes:

    • F1: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted on 11/28/2025.
    • F2: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $998.36 to $1,002.92. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
    • F3: Ending balance includes 30 shares acquired on February 17, 2026 through the Company's qualified ESPP program.
    • F4: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,003.06 to $1,007.85. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
    • F5: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,008.00 to $1,012.65. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
    • F6: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,013.83 to $1,018.85. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
    • F7: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,020.71 to $1,025.36. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
    • F8: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,027.37 to $1,032.40. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
    • F9: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,033.98 to $1,037.25. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
    • F10: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,039.30 to $1,042.50. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

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