// company-profile

Sirius Xm Holdings Inc.

SIRI
ExchangeNasdaqSectorRadio Broadcasting StationsFilings322Insiders28
// api This Sirius Xm Holdings Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 23 insiders purchased shares versus 3 sales. Buying was led by Zaslav David.

// 90-day insight

Over the last 90 days, Sirius Xm Holdings Inc. insiders bought $0 (23 transactions) and sold $915K (3 transactions).

  • Most active insider: Greenstein Scott Andrew with 4 transactions totaling $915K.
  • Largest single sale: $619K by Greenstein Scott Andrew on May 27, 2026.
  • 25% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Sirius Xm Holdings Inc. as of 2026-03-31

↑ increasing
Total reported AUM
$5.79B
QoQ change
+14.4%
Reporting period
2026-03-31
#1
Berkshire Hathaway Inc
CIK 1067983
$2.51B
108.8M shares
#2
Berkshire Hathaway Inc
CIK 1067983
$368.9M
16.0M shares
#3
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$191.6M
8.3M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
May 29, 2026Zaslav DavidSIRI
Award
6,775$0.00$0K
May 29, 2026Rapino MichaelSIRI
Award
6,775$0.00$0K
May 29, 2026Sud AnjaliSIRI
Award
6,775$0.00$0K
May 29, 2026Salen KristinaSIRI
Sale10b5
4,097$29.57$121K
May 29, 2026MAFFEI GREGORY BSIRI
Award
6,775$0.00$0K

45 more transactions hidden

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