MACOM SVP Hwang receives 31,387 shares on vesting

The SVP, Global Sales had 13,638 shares withheld for taxes from the PRSU settlement, alongside a separate 472-share withholding transaction.

Available on EDGAR 11/09/2026 - 08:35 PM EST Accepted by SEC EDGAR 11/09/2026 - 08:35 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

At MACOM Technology Solutions Holdings, Inc., SVP, Global Sales Donghyun Thomas Hwang received 31,387 shares as performance-based restricted stock units vested and settled on November 5, 2026. The issuer withheld 13,638 shares for tax obligations tied to that settlement. A separate 472-share withholding transaction is dated November 6, 2026, and its footnote ties it to restricted stock units vesting on November 8, 2026.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Hwang Donghyun Thomas

Role SVP, Global Sales

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F3	472	$210.98	$100K
Grant/Award	Common Stock F1	31,387	$0.00	$0.00
Tax Withholding	Common Stock F2	13,638	$190.35	$2.60M

Holdings After Transaction: Common Stock — 47,997 shares (Direct)

Footnotes (3)

1. F1. Represents performance-based restricted stock units ("PRSUs") previously granted to the Reporting Person under an equity compensation plan maintained by the Issuer, which vested and settled in shares of Common Stock on November 5, 2026.
2. F2. Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting and settling of PRSUs on November 5, 2026.
3. F3. Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units on November 8, 2026.

Key Figures

Shares received at PRSU settlement: 31,387 shares Shares withheld for tax obligations: 13,638 shares Shares withheld: 472 shares +2 more

5 metrics

Shares received at PRSU settlement 31,387 shares Vested and settled November 5, 2026

Shares withheld for tax obligations 13,638 shares PRSU vesting and settlement on November 5, 2026

Shares withheld 472 shares Transaction dated November 6, 2026; footnote ties it to restricted stock units vesting November 8, 2026

Reported price per share for tax-withholding shares $190.35 per share 13,638 shares withheld in connection with PRSU vesting and settlement on November 5, 2026

Reported price per share for tax-withholding shares $210.98 per share 472-share transaction dated November 6, 2026

Key Terms

performance-based restricted stock units, tax withholding obligations, equity compensation plan

3 terms

performance-based restricted stock units financial

"performance-based restricted stock units ("PRSUs")"

Performance-based restricted stock units are a type of employee equity award that converts into company shares only if predefined financial or operational targets are met over a set period. Think of it like a bonus check that becomes stock only when specific goals are hit; it ties pay to results, aligning managers’ incentives with shareholders. Investors care because these awards affect future share count, executive incentives, and signal how management’s success will be measured and rewarded.

tax withholding obligations financial

"satisfy the Reporting Person's tax withholding obligations"

equity compensation plan financial

"under an equity compensation plan maintained by the Issuer"

A plan by which a company gives employees, directors or contractors ownership or the right to buy ownership in the company through stock, options or similar awards — think of promising slices of the company pie as part of someone's pay. It matters to investors because these awards can change the number of shares outstanding, affect reported profits and influence management’s decisions; large or generous plans can dilute existing holders and alter incentives over time.

FAQ

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

How many MTSI shares did SVP, Global Sales Donghyun Thomas Hwang receive and have withheld?

Donghyun Thomas Hwang received 31,387 shares when performance-based restricted stock units vested and settled on November 5, 2026. The issuer withheld 13,638 shares at $190.35 per share for tax obligations tied to that settlement. Another 472 shares, reported at $210.98 per share, were withheld in a transaction dated November 6, 2026; its footnote ties the withholding to restricted stock units vesting on November 8, 2026.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

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^*

Hwang Donghyun Thomas

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Global Sales

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/05/2026

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	11/05/2026		A		31,387(1)	A	$0	62,107	D
Common Stock	11/05/2026		F		13,638(2)	D	$190.35	48,469	D
Common Stock	11/06/2026		F		472(3)	D	$210.98	47,997	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 performance-based restricted stock units ("PRSUs") previously granted to the Reporting Person under an equity compensation plan maintained by the Issuer, which vested and settled in shares of Common Stock on November 5, 2026.

2. Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting and settling of PRSUs on November 5, 2026.

3. Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units on November 8, 2026.

	/s/ Ambra R. Roth, Attorney-in-Fact	11/09/2026
	** 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)