MACOM director sells 1,573 shares at $255

MACOM Technology Solutions Holdings, Inc. director John Ritchie reported an open-market sale of company stock.

Rhea-AI Filing Summary

MACOM Technology Solutions Holdings, Inc. director John Ritchie reported an open-market sale of company stock. On February 25, 2026, he sold 1,573 shares of common stock at a price of $255.00 per share. After this transaction, he directly owned 8,690 shares of MACOM common stock.

Insider Trade Summary

Net Seller: 1,573 shares

Net Sell 1 txn

Insider Ritchie John

Role Director

Sold 1,573 shs ($401K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,573	$255.00	$401K

Holdings After Transaction: Common Stock — 8,690 shares (Direct)

FAQ

What insider transaction did MACOM (MTSI) director John Ritchie report?

MACOM director John Ritchie reported selling 1,573 shares of common stock. The transaction was an open-market sale at $255.00 per share on February 25, 2026, as disclosed in a Form 4 insider trading report.

How many MACOM (MTSI) shares did John Ritchie sell and at what price?

John Ritchie sold 1,573 shares of MACOM common stock at $255.00 per share. The sale was executed in an open-market transaction and was reported on a Form 4 filed for the February 25, 2026 trade date.

How many MACOM (MTSI) shares does John Ritchie own after this Form 4 sale?

After selling 1,573 shares, John Ritchie directly owns 8,690 MACOM common shares. This post-transaction ownership figure reflects only the holdings reported as directly owned in the Form 4 filing for the February 25, 2026 transaction.

Was the MACOM (MTSI) insider transaction by John Ritchie a buy or a sell?

The reported insider transaction was a sell. John Ritchie executed an open-market sale of 1,573 shares of MACOM common stock at $255.00 per share, as indicated by transaction code “S” in the Form 4 filing.

What does transaction code “S” mean in John Ritchie’s MACOM (MTSI) Form 4?

Transaction code “S” on the Form 4 indicates a sale in the open market or a private transaction. For John Ritchie, it reflects selling 1,573 MACOM common shares at $255.00 per share on February 25, 2026.

Is John Ritchie’s MACOM (MTSI) shareholding reported as direct or indirect ownership?

John Ritchie’s remaining 8,690 MACOM shares are reported as directly owned. The Form 4 lists ownership type as “D” for direct, with no additional nature-of-ownership footnote describing indirect entities or special ownership arrangements.

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Accepted by SEC EDGAR 02/27/2026 - 04:21 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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 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). See Instruction 10.

1. Name and Address of Reporting Person^*

Ritchie John

(Last) (First) (Middle)

C/O MACOM TECHNOLOGY SOLUTIONS HOLDINGS

100 CHELMSFORD STREET

(Street)

LOWELL MA 01851

(City) (State) (Zip)

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		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
02/25/2026

4. If Amendment, Date of 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

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	02/25/2026		S		1,573	D	$255	8,690	D

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 Securities Underlying Derivative Security (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: 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

Explanation of Responses:

	/s/ Ambra R. Roth, Attorney-in-Fact	02/27/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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 Number.