John Kober - 27 Oct 2025 Form 4 Insider Report for MACOM Technology Solutions Holdings, Inc. (MTSI)

Role
Senior VP and CFO
Signature
/s/ Ambra R. Roth, Attorney-in-Fact
Issuer symbol
MTSI
Transactions as of
27 Oct 2025
Net transactions value
-$309,053
Form type
4
Filing time
29 Oct 2025, 17:32:58 UTC
Previous filing
27 Oct 2025
Next filing
30 Oct 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Kober John Senior VP and CFO C/O MACOM TECHNOLOGY SOLUTIONS HOLDINGS, 100 CHELMSFORD STREET, LOWELL /s/ Ambra R. Roth, Attorney-in-Fact 29 Oct 2025 0001338249

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MTSI Common Stock Tax liability $91,201 -623 -1.4% $146.39 45,077 27 Oct 2025 Direct F1
transaction MTSI Common Stock Sale $115,645 -797 -1.8% $145.10 44,280 28 Oct 2025 Direct F2, F3
transaction MTSI Common Stock Sale $102,207 -700 -1.6% $146.01 43,580 28 Oct 2025 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Explanation of Responses:

Id Content
F1 Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units on October 27, 2025.
F2 The shares were sold pursuant to a sales plan adopted by the Reporting Person on August 14, 2025 and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.
F3 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $144.73 to $145.50. 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.