| Accession Number: | 0001214659-22-007049 |
| Date: | 2022-05-09 |
| Issuer: | MONOLITHIC POWER SYSTEMS INC (MPWR) |
| Original Submission Date: |
SCIAMMAS MAURICE
5808 LAKE WASHINGTON BLVD NE
KIRKLAND, WA 98033
| Title of Security | Transaction Date | 2a. Deemed Execution Date | Transaction Code | Shares | Acquired or Disposed | Price per share | 5. Amount of Securities Beneficially Owned Following Reported Transaction | 6. Ownership Form Direct or Indirect | Nature of Indirect Ownership |
|---|---|---|---|---|---|---|---|---|---|
| COMMON STOCK | 2022-05-09 | G | 40,700 | d | $0.00 | 227,546 | direct | ||
| COMMON STOCK | 2022-05-09 | G | 18,200 | a | $0.00 | 26,700 | indirect | ||
| COMMON STOCK | 2022-05-09 | G | 11,250 | a | $0.00 | 22,560 | indirect | ||
| COMMON STOCK | 2022-05-09 | G | 11,250 | a | $0.00 | 22,560 | indirect | ||
| COMMON STOCK | 2022-05-12 | S | 1,679 | d | $388.10 | 225,867 | direct | ||
| COMMON STOCK | 2022-05-09 | 0 | $0.00 | 7,298 | indirect | ||||
| COMMON STOCK | 2022-05-09 | 0 | $0.00 | 1,699 | indirect | ||||
| COMMON STOCK | 2022-05-09 | 0 | $0.00 | 1,699 | indirect | ||||
| COMMON STOCK | 2022-05-09 | 0 | $0.00 | 1,699 | indirect | ||||
| COMMON STOCK | 2022-05-09 | 0 | $0.00 | 2,000 | indirect | ||||
| COMMON STOCK | 2022-05-09 | 0 | $0.00 | 5,000 | indirect | ||||
| COMMON STOCK | 2022-05-09 | 0 | $0.00 | 23,015 | indirect | ||||
| COMMON STOCK | 2022-05-09 | 0 | $0.00 | 2,000 | indirect |
| Title of Derivative Security | Conversion or Exercise Price of Derivative Security | Transaction Date | Deemed Execution Date | Transaction Code | Number of Derivative Securities Acquired (A) or Disposed of (D) | Date Exercisable | Expiration Date | Title and Amount of Securities Underlying Derivative Security | Price of Derivative Security | Number of derivative Securities Beneficially Owned Following Reported Transaction(s) | Ownership Form: Direct (D) or Indirect (I) | Nature of Indirect Beneficial Ownership |
|---|
| ID | footnote |
|---|---|
| f1 | 40,700 shares were transferred as a gift from the reporting person's direct holdings to various trusts as indirect holdings. the reporting person (or his spouse) is the trustee for these trusts. no funds were exchanged and no sale of shares occurred in the transfer. |
| f2 | 18,200 shares were received by the grat as a gift from the reporting person. no funds were exchanged and no sale of shares occurred in the transfer. |
| f3 | 11,250 shares were received by the m. sciammas trust fbo oski crew as a gift from the reporting person. no funds were exchanged and no sale of shares occurred in the transfer. |
| f4 | 11,250 shares were received by the c. sciammas trust fbo oski crew as a gift from the reporting person. no funds were exchanged and no sale of shares occurred in the transfer. |
| f5 | the reported sales were to cover taxes upon the vesting of restricted stock units, as required by the company's equity incentive plan. |
