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

The Charles Schwab Corporation filed Form 144 notices reporting resale of common stock, listing multiple sales by a reporting holder across February–May 2026.

Rhea-AI Filing Summary

The Charles Schwab Corporation filed Form 144 notices reporting resale of common stock, listing multiple sales by a reporting holder across February–May 2026. The excerpt lists repeated transactions including 200,000-share notices (multiple dates) and a 400,000-share sale reported on 05/07/2026.

Insights

Securities Compliance Analyst

Form 144 lists multiple resale transactions by a single reporting holder.

The filing is a routine resale notice under Section 144: it enumerates individual open‑market dispositions with dates and gross proceeds for each trade. The largest single line shown is 400,000 shares on 05/07/2026.

These notices inform transfer agents and brokers; cash‑flow treatment and whether transactions were pursuant to a trading plan are not stated in the provided excerpt.

Equity Markets Analyst

Several large blocks were reported, indicating meaningful selling activity by the holder.

The schedule lists many discrete share dispositions (examples: 200,000 on 03/02/2026 and 200,000 on 04/08/2026), with gross proceeds shown per trade. The sequence suggests sustained selling over months.

Timing, motives, and remaining holdings after these transactions are not disclosed in the excerpt; subsequent filings may provide fuller position context.

Key Figures

Founder Shares listed: 200,000 shares Single large sale: 400,000 shares Repeated 200,000 sales: 200,000 shares +2 more

5 metrics

Founder Shares listed 200,000 shares 11/21/2023 entry labeled Founder Shares

Single large sale 400,000 shares Sale reported on 05/07/2026 with proceeds $132,655,087.07

Repeated 200,000 sales 200,000 shares Multiple dates including 03/02/2026 and 04/08/2026

Example proceeds $132,655,087.07 Gross proceeds for 400,000 shares on 05/07/2026

Sample sale 176,663 shares Sale on 05/06/2026 with proceeds $54,528,345.41

Key Terms

Form 144, Founder Shares, Gross proceeds

3 terms

Form 144 regulatory

"filed Form 144 notices reporting resale of common stock"

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 market

"Founder Shares | Issuer | 200000 | 11/21/2023"

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.

Gross proceeds financial

"each sale line lists a dollar amount of gross proceeds for the trade"

The total amount of cash a company receives from a financing event or sale before any fees, expenses, taxes or deductions are taken out. Investors watch gross proceeds because it shows the raw scale of new capital being raised—think of it as the paycheck amount before withholdings—which helps assess how much funding is available for operations, growth, debt payoff or how much shareholder dilution might occur once costs are removed.

FAQ

What does the Form 144 from MTSI show about recent insider activity?

The Form 144 lists multiple resale transactions of common stock across February–May 2026 by a reporting holder. It includes specific sale dates, share counts, and gross proceeds for each trade but does not state motives or remaining holdings.

How large were the biggest transactions in the excerpt?

The excerpt shows a 400,000‑share line on 05/07/2026 with proceeds of $132,655,087.07 and several 200,000‑share transactions on dates such as 03/02/2026 and 04/08/2026, each with gross proceeds recorded.

Does this Form 144 confirm whether sales were executed under a 10b5‑1 plan?

The provided excerpt does not state whether any transactions were effected under a Rule 10b5‑1 trading plan. The filing lists dates, share counts, and proceeds but does not include plan disclosures in the visible text.

Who appears to be the reporting holder in these transactions?

The excerpt repeatedly names Susan Ocampo (address listed) as the reporting holder for the series of common stock dispositions and shows her multiple sale entries across the listed dates in 2026.

Are proceeds recipients or company proceeds stated in the filing excerpt?

The excerpt provides gross proceeds per sale line but does not state who receives proceeds or whether the company receives any proceeds. Cash‑flow treatment is not specified in the visible content.

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

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Accepted by SEC EDGAR 05/11/2026 - 06:09 PM Learn about SEC filing dates

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	0001252243
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	(978)-656-2500
Name of Person for Whose Account the Securities are To Be Sold	OCAMPO SUSAN
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	Owner

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	200000	72189891.03	76295774	05/11/2026	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			200000	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
Susan Ocampo Box #88439 Honolulu HI 96830	Common	05/08/2026	24530	8831046.24

144: Remarks and Signature

Remarks	Filing encompasses 1 Trust account in which Susan Ocampo is the TTEE. 4 WK average volume April 13th Wk 1: 4,418,181 April 20th Wk 2: 4,964,456 April 27th Wk 3: 4,722,896 May 4th Wk 4: 9,036,327 Total = 23,141,860 / 4 = 5,785,465 shares per week average
Date of Notice	05/11/2026
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/ Susan Ocampo
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)