Steve Totzke sells 101,902 shares (Form 144)

Steve Totzke reported a sale of Common Stock under Rule 144.

Rhea-AI Filing Summary

Steve Totzke reported a sale of Common Stock under Rule 144. The filing lists a sale of 101,902 shares on 05/05/2026 with aggregate proceeds of $1,508,149.60. The filing also lists multiple restricted stock vesting entries issued by the company on specified dates.

Key Figures

Shares sold: 101,902 shares Aggregate proceeds: $1,508,149.60 Filing date: 05/06/2026 +2 more

5 metrics

Shares sold 101,902 shares Sale dated 05/05/2026 in the filing

Aggregate proceeds $1,508,149.60 Proceeds reported for the 05/05/2026 sale

Filing date 05/06/2026 Cover information lists this date

Vesting example 38,064 shares Restricted Stock Vesting on 02/09/2026

Vesting example 10,174 shares Restricted Stock Vesting on 02/03/2025

Key Terms

Form 144, Restricted Stock Vesting, Aggregate proceeds, Filer / Broker

4 terms

Form 144 regulatory

"Securities Sold During The Past 3 Months section listing the sale"

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.

Restricted Stock Vesting financial

"Multiple lines labeled 'Restricted Stock Vesting' with dates and share counts"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Aggregate proceeds financial

"Line showing '101902 | 1508149.60' for the sale entry"

Filer / Broker other

"Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did the Form 144 for MAT disclose about insider sales?

The Form 144 discloses that 101,902 shares were sold on 05/05/2026. The filing reports aggregate proceeds of $1,508,149.60, and lists several restricted stock vesting entries issued by the company on various dates.

Who is listed as the selling party in the MAT Form 144?

The seller is listed as Steve Totzke with an address in El Segundo, California. The broker/dealer shown is Fidelity Brokerage Services LLC at the listed address.

Does the filing show any newly issued or vested restricted shares for MAT?

Yes; the filing lists multiple Restricted Stock Vesting entries with dates and share counts, for example 38,064 shares on 02/09/2026 and several other vesting dates listed in the excerpt.

When was the reported sale transaction dated in the Form 144 for MAT?

The sale transaction is dated 05/05/2026 in the selling‑during‑past‑3‑months section of the filing. The Form 144 cover information also shows a filing date of 05/06/2026.

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

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Accepted by SEC EDGAR 05/06/2026 - 10:27 AM 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	0001666142
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	MATTEL INC /DE/
SEC File Number	001-05647
Address of Issuer	333 CONTINENTAL BLVD EL SEGUNDO CALIFORNIA 90245
Phone	3102522000
Name of Person for Whose Account the Securities are To Be Sold	TOTZKE STEVE
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	Former Officer

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	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	93092	1396380.00	290600000	05/06/2026	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	08/02/2024	Restricted Stock Vesting	Issuer			3827	08/02/2024	Compensation
Common	02/03/2025	Restricted Stock Vesting	Issuer			10174	02/03/2025	Compensation
Common	04/25/2025	Restricted Stock Vesting	Issuer			9893	04/25/2025	Compensation
Common	04/28/2025	Restricted Stock Vesting	Issuer			7444	04/28/2025	Compensation
Common	04/29/2025	Restricted Stock Vesting	Issuer			5163	04/29/2025	Compensation
Common	02/09/2026	Restricted Stock Vesting	Issuer			39064	02/09/2026	Compensation
Common	04/25/2026	Restricted Stock Vesting	Issuer			9873	04/25/2026	Compensation
Common	04/28/2026	Restricted Stock Vesting	Issuer			7654	04/28/2026	Compensation

* 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
Steve Totzke 333 Continental Blvd. El Segundo CA 90245-5012	Common	05/05/2026	101902	1508149.60

144: Remarks and Signature

Remarks
Date of Notice	05/06/2026
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/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Steve Totzke
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)