Key facts
- This page summarizes Peter Y. Chung's Form 4 filing for MACOM Technology Solutions Holdings, Inc. (MTSI).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 18 May 2026, 16:02.
Peter Y. Chung - 14 May 2026 Form 4 Insider Report for MACOM Technology Solutions Holdings, Inc. (MTSI)
- Reporting relationship
- Director
- Issuer ticker
- MTSI
- Reported as of
- 14 May 2026
- Net transaction value
- -$16,363,923
- SEC form
- 4
- Accepted by SEC
- 18 May 2026, 16:02:10 UTC
- Prior SEC filing
- 24 Apr 2026
- Source filing
- View source filing
- Reporting owner signature
- Adam H. Hennessey, POA for Peter Y. Chung
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Peter Y. Chung filed Form 4 for MACOM Technology Solutions Holdings, Inc. (MTSI) on 18 May 2026.
Change
- Previous filing in this sequence was filed on 24 Apr 2026.
- Current net transaction value: -$16,363,923.
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.
Reporting Owners (1)
CIK 0001239366
Primary reporting owner
CHUNG PETER Y
- Relationship
- Director
- Address
- C/O SUMMIT PARTNERS, 222 BERKELEY STREET, 18TH FLOOR, BOSTON
- Signature
- Adam H. Hennessey, POA for Peter Y. Chung
- Signature date
- 18 May 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
MTSI
transaction
Common Stock
Sale
- Transaction value
- $16,363,923
- Shares
- -43,268
- Change %
- -86%
- Price
- $378.20
- Shares after
- 6,781
- Date
- 14 May 2026
- Ownership
- See Remarks
- Footnotes
- F1, F2, 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 price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $377.80 to $379.44. The Reporting Person undertakes to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
Footnote F2
The 6,781 shares and restricted stock units are held in the name of Mr. Chung, which are held for the benefit of Summit Partners, L.P.
Footnote F3
Mr. Chung holds any Common Stock and restricted stock units for the benefit of Summit Partners, L.P. which he has empowered to determine when the underlying shares will be sold and which is entitled to the proceeds of any such sales. Summit Partners, L.P., through a two-person Investment Committee, responsible for voting and investment decisions with respect to the Issuer, currently composed of Scott C. Collins and Peter Y. Chung, has voting and dispositive authority over the shares and restricted stock units reported herein and therefore may be deemed to beneficially own such shares. Summit Partners, L.P., Mr. Collins and Mr. Chung disclaim beneficial ownership of the shares of common stock and the restricted stock units, except to the extent of their pecuniary interest therein.