SIRI Insider Trading Activity and SEC Form 4 Filings
SIRI insider trading summary
Over the past 12 months, insiders at Sirius Xm Holdings Inc. (SIRI) reported 6 open-market purchases worth $53.8M by 2 insiders and no sales on SEC Form 4. Net insider buying was $53.8M.
Latest SIRI insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Nov 3, 2026 | Berkshire Hathaway Inc | Insider | Buy | $3.4M (113,348 @ $30.23) |
| Nov 3, 2026 | Warren E Buffett | Insider | Buy | $3.4M (113,348 @ $30.23) |
| Nov 2, 2026 | Berkshire Hathaway Inc | Insider | Buy | $2.0M (66,968 @ $29.47) |
| Nov 2, 2026 | Warren E Buffett | Insider | Buy | $2.0M (66,968 @ $29.47) |
| Oct 30, 2026 | Berkshire Hathaway Inc | Insider | Buy | $21.5M (743,965 @ $28.89) |
| Oct 30, 2026 | Warren E Buffett | Insider | Buy | $21.5M (743,965 @ $28.89) |
| Aug 4, 2025 | Warren E Buffett | Insider | Buy | $22.4M (1,037,199 @ $21.63) |
| Aug 4, 2025 | Berkshire Hathaway Inc | Insider | Buy | $22.4M (1,037,199 @ $21.63) |
| Aug 1, 2025 | Berkshire Hathaway Inc | Insider | Buy | $40.6M (1,930,000 @ $21.02) |
| Aug 1, 2025 | Warren E Buffett | Insider | Buy | $40.6M (1,930,000 @ $21.02) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.