Susan Ocampo sells blocks of MTSI shares (MTSI) in multiple Form 144 filings

Rhea-AI Filing Summary

MTSI reporting person Susan Ocampo reported multiple disposals of Common shares via Form 144, with individual sales recorded between 02/03/2026 and 04/10/2026. The filings list specific sale transactions and share quantities, including several trades of 200,000 shares and a 261,763-share block.

Insights

Securities Compliance Analyst

Multiple Form 144 dispositions reported by a single holder over two months; filings list explicit share counts and dates.

The filings record numerous sales by Susan Ocampo from 02/03/2026 through 04/10/2026, with individual reported dispositions such as 261,763 shares (02/25/2026) and 200,000 shares (03/02/2026). These entries are typical Form 144 disclosures for restricted or control stock sales.

Regulatory checks should confirm Rule 144 eligibility and whether sales were brokered through Goldman Sachs & Co. LLC as listed. Subsequent filings (Form 4 or broker confirmations) may provide matching execution details and payment treatment.

Key Figures

Largest single reported sale: 261,763 shares Notable block sales: 200,000 shares Filer-dealer named: Goldman Sachs & Co. LLC

3 metrics

Largest single reported sale 261,763 shares reported 02/25/2026

Notable block sales 200,000 shares reported 03/02/2026 and 04/08/2026

Filer-dealer named Goldman Sachs & Co. LLC listed in securities information section

Key Terms

Form 144, Acquired from issuer in private transaction, Filer Information

3 terms

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Acquired from issuer in private transaction financial

"Common | 06/30/2009 | Acquired from issuer in private transaction"

Filer Information regulatory

"144: Filer Information | 144: Issuer 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	Goldman Sachs & Co. LLC 200 West Street New York NY 10282	100000	26363000	74896749	04/13/2026	NASD

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	Acquired from issuer in private transaction	The Issuer			100000	06/30/2009	None

* 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	02/03/2026	100000	23029116
Susan Ocampo 100 Chelmsford Street Lowell MA 01851	Common	02/06/2026	100000	23584697
Susan Ocampo 100 Chelmsford Street Lowell MA 01851	Common	02/12/2026	57827	13897141
Susan Ocampo 100 Chelmsford Street Lowell MA 01851	Common	02/13/2026	42173	10136319
Susan Ocampo 100 Chelmsford Street Lowell MA 01851	Common	02/13/2026	19877	4870489
Susan Ocampo 100 Chelmsford Street Lowell MA 01851	Common	02/17/2026	80123	19655435
Susan Ocampo 100 Chelmsford Street Lowell MA 01851	Common	02/11/2026	3156	789003
Susan Ocampo 100 Chelmsford Street Lowell MA 01851	Common	02/09/2026	53509	13381379
Susan Ocampo 100 Chelmsford Street Lowell MA 01851	Common	02/25/2026	261763	66600315
Susan Ocampo 100 Chelmsford Street Lowell MA 01851	Common	02/18/2026	3156	789003
Susan Ocampo 100 Chelmsford Street Lowell MA 01851	Common	02/24/2026	53509	13381379
Susan Ocampo 100 Chelmsford Street Lowell MA 01851	Common	03/02/2026	200000	50539095
Susan Ocampo 100 Chelmsford Street Lowell MA 01851	Common	03/25/2026	100000	24505253.65
Susan Ocampo 100 Chelmsford Street Lowell MA 01851	Common	04/08/2026	200000	49044230
Susan Ocampo 100 Chelmsford Street Lowell MA 01851	Common	04/10/2026	15221	3928692.31

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 filing by Susan Ocampo show?

It reports multiple share dispositions by Susan Ocampo between 02/03/2026 and 04/10/2026. The entries list specific sale dates and quantities, including large blocks like 261,763 shares and several 200,000-share reports, and identify Goldman Sachs & Co. LLC in the securities section.

How many shares were sold in the largest reported single trade?

The largest single reported disposition in the excerpt is 261,763 shares on 02/25/2026. This quantity appears explicitly in the selling transactions list and is shown with its reporting date within the Form 144 content provided.

Does the Form 144 specify who handled the sales?

Yes; the securities section names Goldman Sachs & Co. LLC at 200 West Street, New York. That broker-dealer is listed in the filer/securities information portion of the filing excerpt.

Are these filings evidence of insider trading violations?

No determination of illegality is made by these disclosure entries alone. The Form 144 lists reported dispositions and quantities; whether trades complied with securities laws requires verification of Rule 144 conditions and execution records.