Key facts
- This page summarizes Mr. Michael R. Hsing's Form 4 filing for MONOLITHIC POWER SYSTEMS INC (MPWR).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 12 May 2021, 16:15.
Mr. Michael R. Hsing - 10 May 2021 Form 4 Insider Report for MONOLITHIC POWER SYSTEMS INC (MPWR)
- Reporting relationship
- CEO, Director
- Issuer ticker
- MPWR
- Reported as of
- 10 May 2021
- Net transaction value
- -$2,767,556
- SEC form
- 4
- Accepted by SEC
- 12 May 2021, 16:15:47 UTC
- Next SEC filing
- 14 May 2021
- Source filing
- View source filing
- Reporting owner signature
- /s/ Saria Tseng, attorney-in-fact for Mr. Michael R. Hsing
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Mr. Michael R. Hsing filed Form 4 for MONOLITHIC POWER SYSTEMS INC (MPWR) on 12 May 2021.
Change
- No earlier filing in this sequence is available for direct comparison.
- Current net transaction value: -$2,767,556.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
MPWR
transaction
Common Stock
Sale
- Transaction value
- $2,767,556
- Shares
- -8,479
- Change %
- -0.83%
- Price
- $326.40
- Shares after
- 1,018,373
- Date
- 10 May 2021
- Ownership
- Direct
- Footnotes
- F1
MPWR
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 133,040
- Date
- 10 May 2021
- Ownership
- by M Hsing 04 Trust
- Footnotes
- F2
MPWR
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 12,825
- Date
- 10 May 2021
- Ownership
- ZH Family 2020 Trust
- Footnotes
- F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 3 footnotes
Footnote F1
The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plan.
Footnote F2
The securities are held by the Michael Hsing 2004 Tr Dtd 2/23/04 Michael Hsing TTEE Trust dated February 23, 2004, of which Michael Hsing is the trustee.
Footnote F3
The securities are held by the ZH Family 2020 Irrevocable Trust dated December 18, 2020, of which Michael Hsing and Alliance Trust Company of Nevada are co-trustees.