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

MACOM CFO John Kober sells 22,009 shares

The reported equity compensation also includes 43,793 performance-based restricted stock units that vested and settled in common shares.

Available on EDGAR Accepted by SEC EDGAR
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Form Type
4

Rhea-AI Filing Summary

MACOM Technology Solutions Holdings, Inc. Senior VP and CFO John Kober reported sales of 22,009 common shares on November 6 and 9, 2026, under a sales plan adopted August 14, 2025, intended to comply with Rule 10b5-1. The November 9 sale was 973 shares at $212.43 per share; November 6 sale entries reported weighted-average prices from $196.23 to $210.89 per share. On November 5, 43,793 performance-based restricted stock units vested and settled in shares, with 19,424 shares withheld for taxes. A separate 776-share withholding entry reported November 6 relates to RSUs vesting on November 8.

Insider Kober John
Role Senior VP and CFO
Sold 22,009 shs ($4.56M)
Type Security Shares Price Value
Sale Common Stock F4 973 $212.43 $207K
Tax Withholding Common Stock F3 776 $210.98 $164K
Sale Common Stock F4, F5 199 $196.23 $39K
Sale Common Stock F4, F6 321 $197.13 $63K
Sale Common Stock F4, F7 480 $198.39 $95K
Sale Common Stock F4, F8 680 $199.34 $136K
Sale Common Stock F4, F9 560 $200.57 $112K
Sale Common Stock F4, F10 1,200 $201.38 $242K
Sale Common Stock F4, F11 760 $202.43 $154K
Sale Common Stock F4, F12 880 $203.47 $179K
Sale Common Stock F4, F13 880 $204.44 $180K
Sale Common Stock F4, F14 1,576 $205.60 $324K
Sale Common Stock F4, F15 1,946 $206.46 $402K
Sale Common Stock F4, F16 1,798 $207.45 $373K
Sale Common Stock F4, F17 880 $208.88 $184K
Sale Common Stock F4, F18 1,920 $209.97 $403K
Sale Common Stock F4, F19 6,956 $210.89 $1.47M
Grant/Award Common Stock F1 43,793 $0.00 $0.00
Tax Withholding Common Stock F2 19,424 $190.35 $3.70M
Holdings After Transaction: Common Stock — 35,580 shares (Direct)
Footnotes (19)
  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.
  4. F4. The shares were sold pursuant to a sales plan adopted by the Reporting Person on August 14, 2025 and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.
  5. F5. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $195.90 to $196.51. 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.
  6. F6. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $196.91 to $197.47. 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. F7. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $197.95 to $198.77. 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.
  8. F8. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $198.96 to $199.74. 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. F9. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $199.96 to $200.94. 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.
  10. F10. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $200.96 to $201.91. 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. F11. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $201.96 to $202.86. 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.
  12. F12. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $203.01 to $203.97. 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. F13. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $204.02 to $204.98. 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.
  14. F14. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $205.04 to $206.03. 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.
  15. F15. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $206.04 to $207.00. 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.
  16. F16. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $207.04 to $208.01. 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.
  17. F17. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $208.37 to $209.36. 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.
  18. F18. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $209.39 to $210.37. 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.
  19. F19. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $210.40 to $211.30. 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.
Common shares sold 22,009 shares Reported sales on November 6 and 9, 2026
Shares sold 973 shares November 9, 2026
Sale price $212.43 per share November 9, 2026
Performance-based restricted stock units vested and settled 43,793 shares November 5, 2026
Shares withheld for tax obligations 19,424 shares In connection with performance-based restricted stock units vesting and settling on November 5, 2026
Shares withheld 776 shares Reported November 6, 2026, in connection with restricted stock units vesting on November 8
Rule 10b5-1 regulatory
"intended to comply with Rule 10b5-1"
Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.
performance-based restricted stock units financial
"performance-based restricted stock units ("PRSUs") previously granted"
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.
weighted average price financial
"The price reported in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

FAQ

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

How many MTSI shares did John Kober sell?
John Kober reported selling 22,009 common shares on November 6 and 9, 2026. The November 9 entry was 973 shares at $212.43 per share; November 6 entries reported weighted-average prices from $196.23 to $210.89 per share. The sales were pursuant to a plan adopted August 14, 2025, intended to comply with Rule 10b5-1.

How many MTSI shares were withheld for taxes after equity awards?
19,424 shares were withheld in connection with performance-based restricted stock units vesting and settling on November 5, 2026. A separate entry reports 776 shares withheld in connection with restricted stock units vesting on November 8.

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

Form 4 Insider Transactions: What Each Field Means →
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SEC Form 4
FORM 4UNITED 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*
Kober John
(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Senior VP and CFO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
11/05/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock11/05/2026A43,793(1)A$077,789D
Common Stock11/05/2026F19,424(2)D$190.3558,365D
Common Stock11/06/2026F776(3)D$210.9857,589D
Common Stock11/06/2026S(4)199D$196.23(5)57,390D
Common Stock11/06/2026S(4)321D$197.13(6)57,069D
Common Stock11/06/2026S(4)480D$198.39(7)56,589D
Common Stock11/06/2026S(4)680D$199.34(8)55,909D
Common Stock11/06/2026S(4)560D$200.57(9)55,349D
Common Stock11/06/2026S(4)1,200D$201.38(10)54,149D
Common Stock11/06/2026S(4)760D$202.43(11)53,389D
Common Stock11/06/2026S(4)880D$203.47(12)52,509D
Common Stock11/06/2026S(4)880D$204.44(13)51,629D
Common Stock11/06/2026S(4)1,576D$205.6(14)50,053D
Common Stock11/06/2026S(4)1,946D$206.46(15)48,107D
Common Stock11/06/2026S(4)1,798D$207.45(16)46,309D
Common Stock11/06/2026S(4)880D$208.88(17)45,429D
Common Stock11/06/2026S(4)1,920D$209.97(18)43,509D
Common Stock11/06/2026S(4)6,956D$210.89(19)36,553D
Common Stock11/09/2026S(4)973D$212.4335,580D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount 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.
4. The shares were sold pursuant to a sales plan adopted by the Reporting Person on August 14, 2025 and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934.
5. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $195.90 to $196.51. 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.
6. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $196.91 to $197.47. 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. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $197.95 to $198.77. 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.
8. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $198.96 to $199.74. 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. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $199.96 to $200.94. 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.
10. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $200.96 to $201.91. 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. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $201.96 to $202.86. 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.
12. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $203.01 to $203.97. 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. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $204.02 to $204.98. 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.
14. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $205.04 to $206.03. 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.
15. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $206.04 to $207.00. 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.
16. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $207.04 to $208.01. 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.
17. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $208.37 to $209.36. 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.
18. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $209.39 to $210.37. 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.
19. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $210.40 to $211.30. 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-Fact11/09/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR

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