[Form 4] Sirius XM Holdings, Inc Insider Trading Activity

Rhea-AI Filing Summary

Form 4 highlights: Berkshire Hathaway Inc. and Warren E. Buffett, both deemed 10% owners of Sirius XM Holdings (SIRI), disclosed fresh open-market purchases of the issuer’s common stock.

Transactions: Between 31-Jul-2025 and 04-Aug-2025 they bought 5,030,425 shares in four tranches: 1,977,837 sh at $21.0436, 85,389 sh at $21.4305, 1,930,000 sh at $21.0228 and 1,037,199 sh at $21.6252 (weighted-average prices; detailed price ranges supplied in footnotes).

Resulting ownership: Indirect holdings rose to 124,807,117 SIRI shares. Of this total, 108,822,227 shares are held by Berkshire insurance subsidiaries (GEICO, National Fire & Marine, National Indemnity) and 15,984,890 shares by pension plans of Berkshire subsidiaries. Buffett disclaims beneficial ownership except to the extent of his pecuniary interest.

Implications: The 4%+ increase in position reinforces Berkshire’s strategic exposure to SIRI and signals continued confidence from Buffett’s conglomerate while keeping the stake above the 10% threshold that triggers ongoing Section 16 reporting.

Positive

• Stake increase: Berkshire added 5,030,425 SIRI shares, expanding its holding to 124.8 M.
• Confidence signal: Continued buying by Buffett’s conglomerate may bolster market sentiment.

Negative

• None.

Insights

Securities Analyst

TL;DR: Berkshire bought 5.0 M SIRI shares, lifting stake to 124.8 M; purchase suggests incremental confidence, modest but positive signal.

Perspective: A 5 M-share addition raises Berkshire’s exposure by roughly 4 %, pushing its indirect ownership to 124.8 M shares. The buying window at ~$21 is near recent trading ranges, implying conviction rather than bargain hunting. Because Berkshire already exceeded the 10 % threshold, regulatory burden stays unchanged. While the dollar amount is small relative to Berkshire’s $300 B+ equity portfolio, Sirius XM benefits from the reputational endorsement. No immediate operational or financial impact on SIRI, yet the purchase may ease investor concerns about subscriber softness by showcasing an informed, long-term holder adding shares.

Corporate Governance Expert

TL;DR: Additional purchases keep Berkshire aligned with insider-ownership incentives; no governance red flags.

Buffett’s conglomerate continues to hold SIRI through multiple insurance entities and pension trusts, preserving a diversified indirect structure. All trades were properly disclosed via Form 4 within two business days, indicating compliance with Section 16. The filing reiterates Buffett’s disclaimer of beneficial ownership beyond pecuniary interest, a standard governance stance that limits fiduciary conflicts. The absence of derivative activity or dispositions suggests a straightforward long equity thesis. Overall, the event is governance-neutral to positive, reflecting transparent reporting and sustained insider alignment.

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^*

BERKSHIRE HATHAWAY INC

(Last) (First) (Middle)

3555 FARNAM STREET

(Street)

OMAHA NE 68131

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
07/31/2025

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

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

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

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	07/31/2025		P		1,977,837	A	$21.0436(1)	121,754,529	I	See footnotes(2)(3)
Common Stock	07/31/2025		P		85,389	A	$21.4305(4)	121,839,918	I	See footnotes(2)(3)
Common Stock	08/01/2025		P		1,930,000	A	$21.0228(5)	123,769,918	I	See footnotes(2)(3)
Common Stock	08/04/2025		P		1,037,199	A	$21.6252(6)	124,807,117	I	See footnotes(2)(3)

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

1. Name and Address of Reporting Person^*

BERKSHIRE HATHAWAY INC

(Last) (First) (Middle)

3555 FARNAM STREET

(Street)

OMAHA NE 68131

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

BUFFETT WARREN E

(Last) (First) (Middle)

3555 FARNAM STREET

(Street)

OMAHA NE 68131

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

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

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $20.3600 to $21.3550. The Reporting Persons undertake to provide Sirius XM Holdings Inc. (formerly known as Liberty Sirius XM Holdings Inc., "Sirius XM Holdings"), any security holder of Sirius XM Holdings, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote 1 to this Form 4.

2. 108,822,227 of the total reported securities are owned as of August 4, 2025 by the following subsidiaries of Berkshire Hathaway Inc. ("Berkshire"): Government Employees Insurance Company (101,150,646), National Fire & Marine Insurance Company (1,326,491) and National Indemnity Company (6,345,090). As Berkshire is in the chain of ownership of each of these subsidiaries, it may be deemed presently to both beneficially own and have a pecuniary interest in all such shares presently owned by each of these subsidiaries. Warren E. Buffett, as the controlling stockholder of Berkshire, may be deemed presently to beneficially own, but only to the extent he has a pecuniary interest in, such shares presently owned by each such subsidiary. Mr. Buffett disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.

3. 15,984,890 of the total reported securities are owned as of August 4, 2025 by the following pension plans of Berkshire's subsidiaries: Berkshire Hathaway Consolidated Pension Plan (10,556,408), BNSF Master Retirement Trust (3,308,255), Precision CastParts Corp Master Trust (1,952,727) and Scott Fetzer Collective Investment Trust (167,500). Each of Berkshire, Mr. Buffett and these pension plans disclaims beneficial ownership in such shares.

4. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $21.3600 to $21.5000. The Reporting Persons undertake to provide Sirius XM Holdings, any security holder of Sirius XM Holdings, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote 4 to this Form 4.

5. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $20.7850 to $21.2900. The Reporting Persons undertake to provide Sirius XM Holdings, any security holder of Sirius XM Holdings, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote 5 to this Form 4.

6. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $21.3100 to $21.8200. The Reporting Persons undertake to provide Sirius XM Holdings, any security holder of Sirius XM Holdings, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote 6 to this Form 4.

	/s/ Warren E. Buffett, on behalf of himself and each other reporting person hereunder	08/04/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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FAQ

How many Sirius XM (SIRI) shares did Berkshire buy?

The Form 4 shows purchases totaling 5,030,425 common shares from 31-Jul-25 to 04-Aug-25.

What is Berkshire’s total indirect ownership in SIRI after these trades?

Ownership stands at 124,807,117 shares, all held indirectly through subsidiaries and pension plans.

At what prices were the SIRI shares purchased?

Weighted-average prices ranged from $21.02 to $21.63 per share, with detailed ranges in the footnotes.

Why does Warren Buffett disclaim full beneficial ownership?

He only claims a pecuniary interest; the shares are legally owned by Berkshire subsidiaries and pension plans.

Does this filing change Berkshire’s 10% insider status?

No. Berkshire was already above 10%; the additional shares simply increase that stake.