Susan Ocampo sells large blocks in MTSI (NASDAQ: MTSI)

Rhea-AI Filing Summary

MTSI-related Form 144: Susan Ocampo reported multiple dispositions of Common shares, with trade dates shown from 02/03/2026 through 03/25/2026. The filing lists individual sale quantities on specific dates (e.g., 100,000; 200,000; 261,763 shares).

The excerpt enumerates prior sales during the past three months by the reporting person and provides broker details for the securities to be sold.

Insights

Equity Capital Markets Analyst

Reported insider dispositions across multiple dates and share sizes.

The filing lists repeated sales by Susan Ocampo with dated entries between 02/03/2026 and 03/25/2026

These entries document actual sales activity and provide per‑trade sizes (examples: 100,000, 200,000, 261,763 shares). Timing and quantities are clearly enumerated; any cash‑flow recipients or aggregate proceeds are not stated in the provided excerpt.

Key Figures

Sale on 02/03/2026: 100,000 shares Sale on 03/02/2026: 200,000 shares Sale on 02/25/2026: 261,763 shares +2 more

5 metrics

Sale on 02/03/2026 100,000 shares listed under "Securities Sold During The Past 3 Months"

Sale on 03/02/2026 200,000 shares listed under "Securities Sold During The Past 3 Months"

Sale on 02/25/2026 261,763 shares listed under "Securities Sold During The Past 3 Months"

Sale on 03/25/2026 100,000 shares final dated entry shown in the excerpt

Broker listed Goldman Sachs & Co. LLC Securities Information section address shown

Key Terms

Form 144, Securities Sold During The Past 3 Months, Securities To Be Sold

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.

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months Susan Ocampo ..."

Securities To Be Sold regulatory

"144: Securities To Be Sold Common | 06/30/2009 | Acquired from issuer"

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	15221	3928692.31	74996749	04/10/2026	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			15221	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

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 excerpt show about Susan Ocampo's activity?

The excerpt shows multiple reported sales of Common shares by Susan Ocampo. It lists dated transactions from 02/03/2026 to 03/25/2026 with per‑trade share counts such as 100,000, 200,000, and 261,763.

Which dates include large share sales in the provided MTSI filing?

Notable sale dates in the excerpt include 02/25/2026 for 261,763 shares, 03/02/2026 for 200,000 shares, and 02/03/2026 for 100,000 shares. Each entry lists the specific date and number of shares sold.

Does the excerpt state aggregate proceeds or who received sale proceeds?

The provided excerpt does not state aggregate cash proceeds or specify who received the proceeds. It lists per‑trade share quantities and dates but does not attach dollar amounts or proceeds recipients in the visible text.

Who acted as broker or intermediary on the listed securities?

The excerpt names Goldman Sachs & Co. LLC with an address at 200 West Street, New York, NY. That broker detail appears under the securities information section in the provided text.

Are the listed transactions within the past three months in the filing?

Yes. The section titled "Securities Sold During The Past 3 Months" lists multiple dated dispositions between 02/03/2026 and 03/25/2026, with specific share counts for each date.