---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-096654"
form_type: "8-K"
ticker: "FWONA"
cik: "0001560385"
company_name: "Liberty Media Corp"
filed_at: "2024-09-04T23:59:59+00:00"
generated_at: "2026-05-31T06:25:53.937412+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Liberty Media and Sirius XM set final exchange ratios for split-off and merger; New SiriusXM to trade SIRI Sep 10

## Summary
- Each LSXMA/B/C share will be redeemed for 0.8375 share of New Sirius common stock, plus cash for fractions.
- Sirius XM shareholders (ex-New Sirius) will receive 0.1 New Sirius share per SIRI share in the merger.
- Expected ~339.1M total New Sirius shares outstanding; former Liberty stockholders ~81%, minority SIRI holders ~19%.
- Split-off effective 4:05 PM ET Sep 9; merger at 6:00 PM ET Sep 9; New SiriusXM (SIRI) begins Nasdaq trading Sep 10.

## SEC filing metadata
- accession: 0001104659-24-096654
- form_type: 8-K
- ticker: FWONA
- cik: 0001560385
- company_name: Liberty Media Corp
- filed_at: 2024-09-04T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1560385/000110465924096654/0001104659-24-096654-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1560385/000110465924096654/tm2422514d9_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-096654
- JSON: https://secwatch.observer/filing/0001104659-24-096654.json
- Plain text: https://secwatch.observer/filing/0001104659-24-096654.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.