Sirius XM director gifts 8,193 shares to trust

SIRIUS XM HOLDINGS INC.

Rhea-AI Filing Summary

SIRIUS XM HOLDINGS INC. (SIRI) director Eddy W. Hartenstein reported an internal reallocation of his holdings through a bona fide gift on September 9, 2026. He transferred 8,193 shares of common stock from his direct ownership to the Hartenstein Family Trust, where he and his immediate family are the sole beneficiaries, and he remains the beneficial owner of the trust-held shares. Following these transactions, he holds 6,835 shares directly and 37,117 shares indirectly through the trust.

Insider Trade Summary

16,386 shares gifted

Gift 2 txns

Insider HARTENSTEIN EDDY W

Role Director

Type	Security	Shares	Price	Value
Gift	Common Stock F1	8,193	$0.00	$0.00
Gift	Common Stock F1	8,193	$0.00	$0.00

Holdings After Transaction: Common Stock — 6,835 shares (Direct); Common Stock — 37,117 shares (Indirect, By Trust)

Footnotes (1)

1. F1. The reporting person transferred 8,193 shares of SIRI common stock to the Hartenstein Family Trust and the reporting person and members of his immediate family are the sole beneficiaries of the trust. The reporting person remans the beneficial owner of the securities held by the trust.

Key Figures

Shares transferred by gift: 8,193 shares Direct holdings after transaction: 6,835 shares Indirect holdings after transaction: 37,117 shares +1 more

4 metrics

Shares transferred by gift 8,193 shares Common stock transferred on September 9, 2026 from direct ownership to family trust

Direct holdings after transaction 6,835 shares Common stock directly held by Eddy W. Hartenstein after September 9, 2026 gift

Indirect holdings after transaction 37,117 shares Common stock held indirectly through the Hartenstein Family Trust after the gift

Gift transactions reported 2 transactions One disposition from direct ownership and one acquisition by the trust, both on September 9, 2026

Key Terms

bona fide gift, beneficial owner, indirect ownership, trust

4 terms

bona fide gift regulatory

"The transaction is coded as a bona fide gift of common stock"

A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.

beneficial owner regulatory

"The reporting person remains the beneficial owner of the securities held"

A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.

indirect ownership financial

"Shares reported as indirectly owned through the Hartenstein Family Trust"

trust financial

"Shares were transferred to the Hartenstein Family Trust"

A trust is a legal setup in which one party (the trustee) holds and manages assets—like cash, stocks or property—on behalf of other people (beneficiaries) according to instructions from the person who created it (the grantor). Think of it as a locked box with a keyholder who must follow written rules; for investors it matters because trusts influence who controls and benefits from assets, affect taxes and succession, and can change how quickly or transparently shares are bought, sold or voted.

FAQ

What insider transaction did SIRI director Eddy W. Hartenstein report on this Form 4 for SIRI?

Eddy W. Hartenstein reported a bona fide gift transfer of 8,193 shares of SIRI common stock on September 9, 2026, moving them from his direct ownership to the Hartenstein Family Trust.

How many SIRI shares did Eddy W. Hartenstein transfer to the Hartenstein Family Trust?

He transferred 8,193 shares of SIRI common stock to the Hartenstein Family Trust as a bona fide gift on September 9, 2026.

Does Eddy W. Hartenstein remain the beneficial owner of the SIRI shares held by the trust?

Yes. A footnote states that he and his immediate family are the sole beneficiaries of the Hartenstein Family Trust and that he remains the beneficial owner of the securities held by the trust.

What are Eddy W. Hartenstein’s direct SIRI share holdings after the reported transactions?

After the gift transfer, Eddy W. Hartenstein directly holds 6,835 shares of SIRI common stock.

What are Eddy W. Hartenstein’s indirect SIRI share holdings through the Hartenstein Family Trust?

Following the transaction, the Form 4 reports that he indirectly holds 37,117 shares of SIRI common stock through the Hartenstein Family Trust.

Were the SIRI transactions reported by Eddy W. Hartenstein made under a Rule 10b5-1 trading plan?

No. The filing’s Rule 10b5-1 checkbox is unchecked, and there is no indication in the footnotes that these transactions were made pursuant to a Rule 10b5-1 trading plan.

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Available on EDGAR 09/10/2026 - 04:10 PM Accepted by SEC EDGAR 09/10/2026 - 04:09 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

HARTENSTEIN EDDY W

(Last) (First) (Middle)

1221 AVENUE OF THE AMERICAS

(Street)

NEW YORK NEW YORK 10020

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
SIRIUS XM HOLDINGS INC. [ (SIRI) ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/09/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/09/2026		G		8,193	D	$0.0000	6,835	D(1)
Common Stock	09/09/2026		G		8,193	A	$0.0000	37,117	I(1)	By Trust

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The reporting person transferred 8,193 shares of SIRI common stock to the Hartenstein Family Trust and the reporting person and members of his immediate family are the sole beneficiaries of the trust. The reporting person remans the beneficial owner of the securities held by the trust.

	Ruth Ziegler, attorney-in-fact	09/09/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)