[144] MACOM Technology Solutions Holdings, Inc. SEC Filing

Rhea-AI Filing Summary

MACOM Technology Solutions (MTSI) Form 144 notice shows proposed and recent sales of common stock by an insider identified as Susan Ocampo. The filing reports a proposed sale of 62,435 shares through The Charles Schwab Corporation with an aggregate market value of $8,233,303.00, listed for sale on 09/17/2025 on NASDAQ. The securities were acquired as founder shares on 06/30/2009.

The filing also lists actual sales by Susan Ocampo during 09/05/2025–09/15/2025: 113,275 (09/05), 3,195 (09/08), 45,986 (09/09), 50,361 (09/10), 80,891 (09/11), 89,868 (09/12), and 150,424 (09/15). The filing includes the standard representation that the seller is not aware of undisclosed material adverse information and notes Rule 144 compliance.

Positive

• None.

Negative

• Multiple large insider sales disclosed (e.g., 113,275 on 09/05/2025; 150,424 on 09/15/2025), which may be material to investors monitoring insider activity
• Proposed additional sale of 62,435 shares with aggregate market value of $8,233,303.00 scheduled 09/17/2025

Insights

Securities Analyst

TL;DR: Significant insider selling disclosed across multiple dates, with a proposed additional sale filed under Rule 144.

The filing documents large insider dispositions by Susan Ocampo and a proposed sale of 62,435 founder shares through Charles Schwab on NASDAQ dated 09/17/2025. The seller acquired these shares as founder shares in 2009, and multiple substantial sales occurred between 09/05/2025 and 09/15/2025. From an investor-information perspective, Form 144s are procedural disclosures; they do not, by themselves, indicate company performance but do show that an insider is reducing holdings in registered-market transactions. The filing includes the required representation about absence of undisclosed material adverse information.

Corporate Governance Expert

TL;DR: The document is a routine Rule 144 notice showing compliance and multiple reported insider sales.

This Form 144 is formatted to meet Rule 144 disclosure obligations: it identifies the class of securities, broker, number of shares, market value, outstanding shares, acquisition history (founder shares, 06/30/2009) and recent sales by the same person. It includes the statutory attestation regarding material information. For governance review, the filing supplies the necessary data to monitor insider liquidity but contains no commentary on motives or any nonpublic company information.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	The Charles Schwab Corporation 3000 Schwab Way Westlake TX 76262	62435	8233303.00	74471281	09/17/2025	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	06/30/2009	Founder Shares	Issuer			62435	06/03/2009	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
SUSAN OCAMPO 100 CHELMSFORD STREET LOWELL MA 01851	Common	09/05/2025	113275	14885388.00
SUSAN OCAMPO 100 CHELMSFORD STREET LOWELL MA 01851	Common	09/08/2025	3195	421918.00
SUSAN OCAMPO 100 CHELMSFORD STREET LOWELL MA 01851	Common	09/09/2025	45986	6029536.00
SUSAN OCAMPO 100 CHELMSFORD STREET LOWELL MA 01851	Common	09/10/2025	50361	6679719.00
SUSAN OCAMPO 100 CHELMSFORD STREET LOWELL MA 01851	Common	09/11/2025	80891	10716701.00
SUSAN OCAMPO 100 CHELMSFORD STREET LOWELL MA 01851	Common	09/12/2025	89868	11940024.00
SUSAN OCAMPO 100 CHELMSFORD STREET LOWELL MA 01851	Common	09/15/2025	150424	19920486.00

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the MTSI Form 144 filed for Susan Ocampo report?

The filing reports a proposed sale of 62,435 common shares via Charles Schwab on 09/17/2025 and lists multiple sales by Susan Ocampo between 09/05/2025 and 09/15/2025 with specific share amounts and gross proceeds.

How were the securities being sold originally acquired (MTSI)?

The securities were acquired as founder shares on 06/30/2009 according to the filing.

Which broker and exchange are listed for the proposed MTSI sale?

The proposed sale lists The Charles Schwab Corporation (3000 Schwab Way, Westlake, TX) and indicates the securities exchange as NASDAQ.

Does the Form 144 include a statement about material nonpublic information for MTSI?

Yes. The person filing represents by signing the notice that they do not know any material adverse information about the issuer that has not been publicly disclosed.

What are the aggregated market value and number of outstanding shares reported?

The proposed 62,435 shares have an aggregate market value of $8,233,303.00, and the filing reports 74,471,281 shares outstanding.