Charles Schwab (MTSI) affiliate reports 400,000-share sale on 05/07/2026

Rhea-AI Filing Summary

The Charles Schwab Corporation notice lists multiple proposed or reported sales of Common shares by an affiliate, showing numerous transactions between 02/12/2026 and 05/07/2026. Examples include a 400,000-share sale on 05/07/2026 for $132,655,087.07 and a 176,663-share sale on 05/06/2026 for $54,528,345.41.

The filing names Susan Ocampo as the selling holder and shows shares labeled as Founder Shares. Shares outstanding are shown as 75,011,970 as of 05/08/2026.

Insights

Securities Compliance Analyst

Multiple affiliate sales are disclosed under a Form 144 notice; transactions are sizable but routine for affiliate dispositions.

The notice lists many sale dates and amounts attributed to Susan Ocampo, including large blocks on 05/06/2026 and 05/07/2026. The entries read as reported dispositions rather than company-initiated issuances.

Cash‑flow treatment to the issuer is not stated in the excerpt; subsequent SEC filings or broker reports would show settlement details. Timing and method qualifiers are not included in the provided excerpt.

Equity Markets Specialist

Transaction scale is large in absolute terms but the filing itself is a disclosure, not a corporate action.

The listed trades include multiple six-figure and seven-figure dollar proceeds (e.g., $132,655,087.07 for 400,000 shares). These reflect realized dispositions by the named holder rather than new share registration.

Market impact depends on trading cadence and whether sales were block trades or executed over time; the excerpt does not specify execution method or plan-based status.

Key Figures

Shares outstanding: 75,011,970 shares Sale (example): 400,000 shares Sale (example): 176,663 shares +2 more

5 metrics

Shares outstanding 75,011,970 shares as of 05/08/2026

Sale (example) 400,000 shares sold on 05/07/2026 for $132,655,087.07

Sale (example) 176,663 shares sold on 05/06/2026 for $54,528,345.41

Sale (example) 200,000 shares sold on 03/02/2026 for 50,539,095 (units as shown)

Founder Shares reference 24,530 Founder Shares entry dated 11/21/2023

Key Terms

Form 144, Founder Shares, 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.

Founder Shares financial

"11/21/2023 | Founder Shares | Issuer"

Founder shares are the ownership stakes given to the people who start a company, often with extra voting power or protections compared with ordinary shares. For investors, they matter because founders’ control and incentives influence decisions about strategy, hiring, and whether the company sells or stays independent — like a family that keeps majority voting rights in a household decision. High founder ownership can mean stable leadership but also a risk that outside shareholders have less influence.

Securities To Be Sold regulatory

"144: Securities To Be Sold"

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	24530	8831046.24	75011970	05/08/2026	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	11/21/2023	Founder Shares	Issuer			24530	11/21/2023	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 Box #88439 Honolulu HI 96830	Common	02/12/2026	57827	13897141
Susan Ocampo Box #88439 Honolulu HI 96830	Common	02/13/2026	42173	10136319
Susan Ocampo Box #88439 Honolulu HI 96830	Common	02/13/2026	19877	4870489
Susan Ocampo Box #88439 Honolulu HI 96830	Common	02/17/2026	80123	19655435
Susan Ocampo Box #88439 Honolulu HI 96830	Common	02/18/2026	3156	789003
Susan Ocampo Box #88439 Honolulu HI 96830	Common	02/24/2026	53509	13381379
Susan Ocampo Box #88439 Honolulu HI 96830	Common	02/25/2026	261763	66600315
Susan Ocampo Box #88439 Honolulu HI 96830	Common	03/02/2026	200000	50539095
Susan Ocampo Box #88439 Honolulu HI 96830	Common	03/25/2026	100000	24505253.65
Susan Ocampo Box #88439 Honolulu HI 96830	Common	04/08/2026	200000	49044227.56
Susan Ocampo Box #88439 Honolulu HI 96830	Common	04/10/2026	15221	3928692.31
Susan Ocampo Box #88439 Honolulu HI 96830	Common	04/13/2026	100000	26190830.39
Susan Ocampo Box #88439 Honolulu HI 96830	Common	04/14/2026	61898	16356261.77
Susan Ocampo Box #88439 Honolulu HI 96830	Common	04/15/2026	76218	19893766.89
Susan Ocampo Box #88439 Honolulu HI 96830	Common	04/16/2026	100000	26193350
Susan Ocampo Box #88439 Honolulu HI 96830	Common	04/17/2026	87888	23770803.7
Susan Ocampo Box #88439 Honolulu HI 96830	Common	04/21/2026	66541	19044326.54
Susan Ocampo Box #88439 Honolulu HI 96830	Common	04/24/2026	100000	29019401.25
Susan Ocampo Box #88439 Honolulu HI 96830	Common	05/06/2026	176663	54528345.41
Susan Ocampo Box #88439 Honolulu HI 96830	Common	05/07/2026	400000	132655087.07

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 this Form 144 filing for MTSI show?

It lists proposed or reported sales of Common shares by an affiliate, naming Susan Ocampo and showing multiple dated transactions between 02/12/2026 and 05/07/2026 including sizable share blocks.

How many shares were sold on 05/07/2026 in the filing?

The filing shows a sale of 400,000 shares on 05/07/2026 with proceeds listed as $132,655,087.07, attributed to the named selling holder in the excerpt.

Who is the selling holder named in the Form 144?

The excerpt names Susan Ocampo with an address in Honolulu, HI, as the selling holder across multiple listed transactions in the filing.

Does the filing state how many shares are outstanding?

Yes; the excerpt lists 75,011,970 shares outstanding as of 05/08/2026, shown alongside the securities header in the provided text.

Are the sales registered offerings or secondary resale disclosures?

The excerpt is a Form 144 notice of sales by an affiliate (resale/disposition disclosure); it lists past sales and proposed sales by the named holder rather than a company primary offering.