Key points
- Berkshire Hathaway reported buying $26.89 million of Sirius XM Holdings stock on November 3rd, 2026. The purchase covered 924,281 shares and arrived across three separate Form 4 filings.
- The reported execution prices ran from $28.8913 to $30.233. That is the full band disclosed in the filings for the session.
- Sirius XM last traded at $23.17, below the entire reported purchase range. The buying is underwater against the most recent print.
- Berkshire is filed as an "Other" relationship, not an officer or a director. The firm reports as an entity, which is the category used for holders who cross the ownership threshold that triggers insider reporting.
Berkshire Hathaway Inc. disclosed the purchase of 924,281 shares of Sirius XM Holdings Inc. on November 3rd, 2026, a transaction worth $26.89 million at the prices reported. The buying was broken into three Form 4 filings rather than one, which is the usual pattern when an order is worked at several price points during a session.
The reported prices sat between $28.8913 and $30.233. Sirius XM last traded at $23.17, which places the current market price under the bottom of the range the firm paid.
What the filing shows
The disclosure is straightforward in its mechanics. A single transaction date, November 3rd, 2026, covers all three filings, with a combined 924,281 shares changing hands and a combined reported value of $26.89 million. The price band of $28.8913 to $30.233 reflects weighted execution rather than a single fill.
Berkshire's role is listed as "Other." That classification is what the SEC form uses for reporting persons who are neither officers nor directors but who are subject to Section 16 because of the size of their stake. It carries no information about board seats, employment or operating involvement.
What the buyer is
The buyer here is an institution, not an executive, and that changes how the signal reads. Officer and director purchases are small, personal and discretionary. An entity filing as a large holder is reporting the mechanics of a position that is already substantial enough to require disclosure in the first place.
Sirius XM operates in radio broadcasting stations and carries a market capitalization of $8.5 billion. Against that figure, a $26.89 million purchase is an incremental addition rather than a position being built from zero. The filings themselves say nothing about intent, and no statement of purpose beyond the transaction details appears in a Form 4.
Where the price sits now
The gap between the purchase band and the last price is the part of this filing worth carrying forward. Shares were acquired between $28.8913 and $30.233 and last changed hands at $23.17. Every reported fill in the three filings is above the current quote.
That does not make the purchase wrong or right. It does mean that anyone treating insider buying as a timing input should note that this particular buying has not been validated by the tape since the transaction date. A large holder adding at prices the market has since moved away from is a common outcome, not an unusual one.
What that leaves
The verifiable facts are narrow. On November 3rd, 2026, Berkshire Hathaway reported acquiring 924,281 shares of Sirius XM for $26.89 million at prices of $28.8913 to $30.233, disclosed across three Form 4 filings, in a company with an $8.5 billion market capitalization. Everything beyond that is inference.
What is not in the filings is a reason. Form 4 reports the what, the when and the how much. It does not report the thesis, and no part of the disclosure speaks to valuation, operations or expectations for the radio broadcasting business.
Readers tracking SIRI should weigh the size of the purchase against the size of the company, and weigh the reported price band against the $23.17 last price. Those two comparisons carry most of what the filing can honestly support.
Sources: SEC Form 4 filings retrieved via EDGAR and reviewed by InsiderBuying.com, covering transactions dated November 3rd, 2026.
Informational only, not investment advice.