MACOM officer John F. Kober III proposes $4M sale

The notice lists 76,370,931 MTSI common shares outstanding alongside the proposed transaction.

Available on EDGAR 11/06/2026 - 04:26 PM EST Accepted by SEC EDGAR 11/06/2026 - 04:26 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

MACOM Technology Solutions Holdings, Inc. officer John F. Kober III submitted notice of a proposed sale of 21,036 common shares, with an aggregate market value of $4,004,202.60 and an approximate sale date of November 6, 2026. The shares are identified as acquired from the issuer on November 5, 2026, as Performance Stock Units. The notice also lists sales labeled 10b5-1 sales: 1,027 shares on October 26, 2026, for $242,988.20, and 7,389 shares on August 17, 2026, for $2,409,412.45.

Key Figures

Proposed sale: 21,036 common shares Aggregate market value of proposed sale: $4,004,202.60 Shares sold: 1,027 shares +3 more

6 metrics

Proposed sale 21,036 common shares Approximate sale date November 6, 2026

Aggregate market value of proposed sale $4,004,202.60 Proposed sale

Shares sold 1,027 shares October 26, 2026; labeled a 10b5-1 sale

Reported sale value $242,988.20 October 26, 2026

Shares sold 7,389 shares August 17, 2026; labeled a 10b5-1 sale

Reported sale value $2,409,412.45 August 17, 2026

Key Terms

Performance Stock Units, Rule 10b5-1, Rule 144

3 terms

Performance Stock Units technical

"Performance Stock Units"

Performance stock units are a type of company award that grants employees shares of stock only if certain performance goals are met. They motivate employees to work toward specific company achievements, aligning their interests with those of shareholders. For investors, they can influence a company's future stock supply and reflect management’s confidence in reaching key targets.

Rule 10b5-1 regulatory

"10b5-1 Sales for JOHN F KOBER III"

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.

Rule 144 regulatory

"sales required by paragraph (e) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

FAQ

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

How many MTSI shares did John F. Kober III propose to sell?

John F. Kober III submitted notice of a proposed sale of 21,036 common shares, with an aggregate market value of $4,004,202.60 and an approximate sale date of November 6, 2026.

What earlier MTSI sales are listed for John F. Kober III?

The notice lists 1,027 shares sold on October 26, 2026, for $242,988.20, and 7,389 shares sold on August 17, 2026, for $2,409,412.45. Both transactions are labeled 10b5-1 sales.

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

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001338249
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	MACOM Technology Solutions Holdings, Inc.
SEC File Number	001-35451
Address of Issuer	100 Chelmsford Street Lowell MASSACHUSETTS 01851
Phone	9786562500
Name of Person for Whose Account the Securities are To Be Sold	John F. Kober Ill
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	21036	4004202.60	76370931	11/06/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	11/05/2026	Performance Stock Units	Issuer			21036	11/05/2026	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for JOHN F KOBER III 100 Chelmsford Street Lowell MA 01851	Common	10/26/2026	1027	242988.20
10b5-1 Sales for JOHN F KOBER III 100 Chelmsford Street Lowell MA 01851	Common	08/17/2026	7389	2409412.45

144: Remarks and Signature

Remarks
Date of Notice	11/06/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	08/14/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ John F. Kober Ill
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)