Statement of Changes in Beneficial Ownership - Form 4

Ownership Submission

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * OCAMPO SUSAN 2. Issuer Name and Ticker or Trading Symbol MACOM Technology Solutions Holdings, Inc. [MTSI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O MACOM TECHNOLOGY SOLUTIONS HOLDINGS, 100 CHELMSFORD STREET 3. Date of Earliest Transaction (Month/Day/Year) 11/13/2024 (Street) LOWELL, MA 01851 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 11/13/2024 S 25,351 D $130.05(1) 6,046,676(2) I By trusts for children(3) Common Stock 11/14/2024 S 18,335 D $127.01(4) 6,028,341(5) I By trusts for children(3) Common Stock 11/14/2024 S 7,296 D $128.04(6) 6,021,045(7) I By trusts for children(3) Common Stock 11/14/2024 S 1,255 D $129.35(8) 6,019,790(9) I By trusts for children(3) Common Stock 11/15/2024 S 71,796 D $123.03(10) 5,947,994(11) I By trusts for children(3) Common Stock 11/15/2024 S 33,982 D $125.02(12) 5,914,012(13) I By trusts for children(3) Common Stock 11/15/2024 S 4 D $126.13(14) 5,914,008(15) I By trusts for children(3) Common Stock 6,796,685 I By Ocampo Family Trust(3) Common Stock 2,138 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.	SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)	5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)	6. Date Exercisable and Expiration Date (Month/Day/Year)	7. Title and Amount of Underlying Securities (Instr. 3 and 4)	8. Price of Derivative Security (Instr. 5)	9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
Director	10% Owner	Officer	Other
OCAMPO SUSAN C/O MACOM TECHNOLOGY SOLUTIONS HOLDINGS 100 CHELMSFORD STREET LOWELL, MA 01851	X	X

Signatures

/s/ Ambra R. Roth, Attorney-in-Fact	11/15/2024
**Signature of Reporting Person	Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $130.00 to $130.50. 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.
(2)	1,767,228 of such shares are held by two trusts for the Reporting Person's son; 2,139,724 of such shares are held by two trusts for the Reporting Person's daughter; and 2,139,724 of such shares are held by two trusts for the Reporting Person's son.
(3)	The Reporting Person is a trustee of the Ocampo Family Trust and each of the following six trusts for the benefit of her children: (i) two trusts for her son; (ii) two trusts for her daughter; and (iii) two trusts for her son.
(4)	The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $127.00 to $127.36. 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.
(5)	1,761,117 of such shares are held by two trusts for the Reporting Person's son; 2,133,612 of such shares are held by two trusts for the Reporting Person's daughter; and 2,133,612 of such shares are held by two trusts for the Reporting Person's son.
(6)	The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $128.00 to $128.99. 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.
(7)	1,758,685 of such shares are held by two trusts for the Reporting Person's son; 2,131,180 of such shares are held by two trusts for the Reporting Person's daughter; and 2,131,180 of such shares are held by two trusts for the Reporting Person's son.
(8)	The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $129.00 to $129.50. 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.
(9)	1,758,266 of such shares are held by two trusts for the Reporting Person's son; 2,130,762 of such shares are held by two trusts for the Reporting Person's daughter; and 2,130,762 of such shares are held by two trusts for the Reporting Person's son.
(10)	The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $123.00 to $123.73. 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.
(11)	1,734,334 of such shares are held by two trusts for the Reporting Person's son; 2,106,830 of such shares are held by two trusts for the Reporting Person's daughter; and 2,106,830 of such shares are held by two trusts for the Reporting Person's son.
(12)	The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $125.00 to $125.42 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.
(13)	1,723,008 of such shares are held by two trusts for the Reporting Person's son; 2,095,502 of such shares are held by two trusts for the Reporting Person's daughter; and 2,095,502 of such shares are held by two trusts for the Reporting Person's son.
(14)	The price reported in Column 4 is a weighted average price. 2 shares were sold at $126.12 and 2 shares were sold at $126.13.
(15)	1,723,006 of such shares are held by two trusts for the Reporting Person's son; 2,095,501 of such shares are held by two trusts for the Reporting Person's daughter; and 2,095,501 of such shares are held by two trusts for the Reporting Person's son.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.

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