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  4. [Form 4] MACOM Technology Solutions Holdings, Inc Insider Trading Activity

MTSI Insider Offloads 24% of Stake Under Rule 10b5-1 Plan

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

MACOM Technology Solutions (NASDAQ:MTSI) filed a Form 4 indicating that SVP Operations Robert Dennehy sold 5,000 common shares on 24 June 2025 at a weighted-average $140.42, generating roughly $0.7 million in proceeds. The sale was executed under a Rule 10b5-1 plan adopted 28 Feb 2025 and reduced the insider’s direct ownership to 15,680 shares, a decline of about 24 %. No derivative transactions were reported.

Positive

  • None.

Negative

  • SVP Operations sold 5,000 shares (≈24 % of his direct stake) for $0.7 million, potentially signaling limited insider confidence.

Insights

TL;DR: 24 % stake sale by SVP worth ~$0.7 M; modestly negative signal despite 10b5-1 cover

The transaction removes roughly a quarter of Dennehy’s direct holdings, exceeding the 5 % materiality threshold and signaling potential insider caution. However, execution under a pre-arranged Rule 10b5-1 plan limits concerns about informational advantage and suggests routine liquidity management. Position size after the sale (15,680 shares) leaves the executive with continuing alignment, and the absence of additional derivative activity or multiple insiders reduces systemic worry. Overall impact is modestly negative, warranting monitoring for further insider dispositions.

Insider Dennehy Robert
Role SVP, Operations
Sold 5,000 shs ($702K)
Type Security Shares Price Value
Sale Common Stock 5,000 $140.42 $702K
Holdings After Transaction: Common Stock — 15,680 shares (Direct)
Footnotes (1)
  1. The shares were sold pursuant to a sales plan adopted by the Reporting Person on February 28, 2025 and intended to comply with Rule 10b5-1 under The Securities Exchange Act of 1934. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $140.00 to $140.88. 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.
Form 4 Insider Transactions: What Each Field Means →
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).
X
 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*
Dennehy Robert
(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)
Director 10% Owner
X Officer (give title below) Other (specify below)
SVP, Operations
3. Date of Earliest Transaction (Month/Day/Year)
06/24/2025
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 06/24/2025 S(1) 5,000 D $140.42(2) 15,680 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. The shares were sold pursuant to a sales plan adopted by the Reporting Person on February 28, 2025 and intended to comply with Rule 10b5-1 under The Securities Exchange Act of 1934.
2. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $140.00 to $140.88. 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.
/s/ Ambra R. Roth, Attorney-in-Fact 06/26/2025
** 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.

Source: View Original Filing on SEC EDGAR

FAQ

How many MACOM (MTSI) shares did SVP Robert Dennehy sell on 24 Jun 2025?

He sold 5,000 common shares at a weighted-average price of $140.42.

What percentage of Dennehy’s holdings were sold in this Form 4 transaction?

Approximately 24 % of his directly held shares were sold.

How many MACOM shares does Dennehy still own after the sale?

He retains 15,680 common shares in direct ownership.

Was the insider sale made under a Rule 10b5-1 trading plan?

Yes. The sales plan was adopted on 28 Feb 2025 and is intended to comply with Rule 10b5-1.

What is the total dollar value of shares sold by Dennehy?

At the reported average price, the proceeds equal roughly $702,100.