Ambra R. Roth - 19 Nov 2025 Form 4 Insider Report for MACOM Technology Solutions Holdings, Inc. (MTSI)

Reporting relationship: SVP, GC and Secretary
Issuer ticker: MTSI
Reported as of: 19 Nov 2025
Net transaction value: -$2,778,652
SEC form: 4
Accepted by SEC: 21 Nov 2025, 16:38:16 UTC
Prior SEC filing: 10 Nov 2025
Source filing: View source filing
Reporting owner signature: /s/ Ambra R. Roth

Key filing fact

Ambra R. Roth filed Form 4 for MACOM Technology Solutions Holdings, Inc. (MTSI) on 21 Nov 2025.

Key facts

This page summarizes Ambra R. Roth's Form 4 filing for MACOM Technology Solutions Holdings, Inc. (MTSI).
6 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 21 Nov 2025, 16:38.

Change

Previous filing in this sequence was filed on 10 Nov 2025.
Current net transaction value: -$2,778,652.

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

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001792846 Primary reporting owner

Roth Ambra R.

Relationship: SVP, GC and Secretary
Address: C/O MACOM TECHNOLOGY SOLUTIONS HOLDINGS, 100 CHELMSFORD STREET, LOWELL
Signature: /s/ Ambra R. Roth
Signature date: 21 Nov 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MTSI transaction

Common Stock

Sale

Transaction value: $317,743
Shares: -2,009
Change %: -7.4%
Price: $158.16
Shares after: 25,096
Date: 19 Nov 2025
Ownership: Direct
Footnotes: F1, F2

MTSI transaction

Common Stock

Sale

Transaction value: $420,241
Shares: -2,627
Change %: -10%
Price: $159.97
Shares after: 22,469
Date: 19 Nov 2025
Ownership: Direct
Footnotes: F1, F3

MTSI transaction

Common Stock

Sale

Transaction value: $845,606
Shares: -5,263
Change %: -23%
Price: $160.67
Shares after: 17,206
Date: 19 Nov 2025
Ownership: Direct
Footnotes: F1, F4

MTSI transaction

Common Stock

Sale

Transaction value: $847,846
Shares: -5,243
Change %: -30%
Price: $161.71
Shares after: 11,963
Date: 19 Nov 2025
Ownership: Direct
Footnotes: F1, F5

MTSI transaction

Common Stock

Sale

Transaction value: $182,841
Shares: -1,122
Change %: -9.4%
Price: $162.96
Shares after: 10,841
Date: 19 Nov 2025
Ownership: Direct
Footnotes: F1, F6

MTSI transaction

Common Stock

Sale

Transaction value: $164,375
Shares: -1,004
Change %: -9.3%
Price: $163.72
Shares after: 9,837
Date: 19 Nov 2025
Ownership: Direct
Footnotes: F1, F7

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 7 footnotes

Footnote F1

The shares were sold pursuant to a sales plan adopted by the Reporting Person on August 11, 2025 and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.

Footnote F2

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $157.70 to $158.66. 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 F3

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $159.27 to $160.26. 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 F4

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $160.27 to $161.25. 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 F5

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $161.32 to $162.25. 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 F6

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $162.39 to $163.38. 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 F7

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $163.41 to $163.91. 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.