MACOM CEO Stephen G. Daly gets 5,941-unit stock grant

The award vests in installments through October 2029, provided Stephen G. Daly remains in continuous service.

Rhea-AI Filing Summary

MACOM Technology Solutions Holdings, Inc. President and CEO Stephen G. Daly acquired 5,941 restricted stock units on October 21, 2026, under the company’s 2021 Omnibus Incentive Plan. Each unit represents a contingent right to receive one share of common stock. The units vest in installments of 1,980 shares on October 21, 2027, 1,980 shares on October 21, 2028, and 1,981 shares on October 21, 2029, provided Daly remains in continuous service. His reported holdings following the award were 44,330 shares.

Insider Trade Summary

Grant/Award: 5,941 shares

Grant/Award 1 txn

Insider Daly Stephen G

Role President and CEO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	5,941	$0.00	$0.00

Holdings After Transaction: Common Stock — 44,330 shares (Direct)

Footnotes (1)

1. F1. Represents restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's 2021 Omnibus Incentive Plan. Each RSU represents the contingent right to receive one share of Common Stock. The RSUs vest as to 1,980 shares on 10/21/2027, 1,980 shares on 10/21/2028 and 1,981 shares on 10/21/2029, provided that the Reporting Person remains in continuous service with the Issuer through each such vesting date.

Key Figures

Restricted stock units granted: 5,941 shares Reported holdings following transaction: 44,330 shares Vesting installment: 1,980 shares +2 more

5 metrics

Restricted stock units granted 5,941 shares Granted October 21, 2026

Reported holdings following transaction 44,330 shares Following the October 21, 2026 award

Vesting installment 1,980 shares Vests October 21, 2027, subject to continuous service

Vesting installment 1,980 shares Vests October 21, 2028, subject to continuous service

Vesting installment 1,981 shares Vests October 21, 2029, subject to continuous service

Key Terms

restricted stock units, contingent right, continuous service, 2021 Omnibus Incentive Plan

4 terms

restricted stock units financial

"Represents restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

contingent right financial

"contingent right to receive one share"

continuous service financial

"remains in continuous service with the Issuer"

2021 Omnibus Incentive Plan financial

"under the Issuer's 2021 Omnibus Incentive Plan"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many restricted stock units did MTSI CEO Stephen G. Daly receive?

Stephen G. Daly, MACOM Technology Solutions Holdings, Inc.’s President and CEO, received 5,941 restricted stock units on October 21, 2026. Each unit represents a contingent right to receive one share of common stock.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/23/2026 - 05:33 PM EDT Accepted by SEC EDGAR 10/23/2026 - 05:33 PM EDT 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^*

Daly Stephen G

(Last) (First) (Middle)

C/O MACOM TECHNOLOGY SOLUTIONS HOLDINGS

100 CHELMSFORD STREET

(Street)

LOWELL MASSACHUSETTS 01851

(City) (State) (Zip)

UNITED STATES

(Country)

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
X	Officer (give title below)		Other (specify below)
	President and CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/21/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	10/21/2026		A		5,941(1)	A	$0	44,330	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:

1. Represents restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's 2021 Omnibus Incentive Plan. Each RSU represents the contingent right to receive one share of Common Stock. The RSUs vest as to 1,980 shares on 10/21/2027, 1,980 shares on 10/21/2028 and 1,981 shares on 10/21/2029, provided that the Reporting Person remains in continuous service with the Issuer through each such vesting date.

	/s/ Ambra R. Roth, Attorney-in-Fact	10/23/2026
	** 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.
* Form 4: SEC 1474 (03-26)