---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-025331"
form_type: "8-K"
ticker: "UTHR"
cik: "0001082554"
company_name: "UNITED THERAPEUTICS Corp"
filed_at: "2026-03-09T23:59:59+00:00"
generated_at: "2026-05-15T17:29:33.319043+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# United Therapeutics authorizes $2B buyback, enters $1.5B accelerated share repurchase with Citi

## Summary
- Board approves up to $2B stock repurchase program through March 9, 2027.
- ASR agreements with Citibank total $1.5B: $750M uncollared and $750M collared.
- Initial delivery of ~992,120 shares (uncollared, ~70%) and ~708,657 shares (collared, ~50%) on March 11, 2026.

## SEC filing metadata
- accession: 0001104659-26-025331
- form_type: 8-K
- ticker: UTHR
- cik: 0001082554
- company_name: UNITED THERAPEUTICS Corp
- filed_at: 2026-03-09T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1082554/000110465926025331/0001104659-26-025331-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1082554/000110465926025331/tm268321d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-025331
- JSON: https://secwatch.observer/filing/0001104659-26-025331.json
- Plain text: https://secwatch.observer/filing/0001104659-26-025331.txt

## Key facts
- Material Agreements
  UNITED THERAPEUTICS Corp entered into Collared Accelerated Share Repurchase Agreement with Citibank, N.A. valued at $750,000,000 (effective 2026-03-09).
  - Action: entry
  - Agreement: equity purchase
  - Counterparty: Citibank, N.A.
  - Value: $750,000,000
  - Effective: 2026-03-09
  source text: Under the Collared ASR, which is being entered into pursuant to the Master Confirmation between the Company and Citi, dated August 1, 2025, the Company will receive an initial delivery of approximately 708,657 shares of Common Stock on March 11, 2026 representing approximately 50% of the total shares that would be repurchased under the Collared ASR (the Initial Delivery Amount ), measured based on the closing price of the Common Stock on March 9, 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1082554/000110465926025331/0001104659-26-025331-index.htm
- Material Agreements
  UNITED THERAPEUTICS Corp entered into Uncollared Accelerated Share Repurchase Agreement with Citibank, N.A. valued at $750,000,000 (effective 2026-03-09).
  - Action: entry
  - Agreement: equity purchase
  - Counterparty: Citibank, N.A.
  - Value: $750,000,000
  - Effective: 2026-03-09
  source text: Under the Uncollared ASR, which is being entered into pursuant to the Master Confirmation between the Company and Citi, dated March 25, 2024, the Company will receive an initial delivery of approximately 992,120 shares of Common Stock on March 11, 2026 representing approximately 70% of the total shares that would be repurchased under the Uncollared ASR, measured based on the closing price of the Common Stock on March 9, 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1082554/000110465926025331/0001104659-26-025331-index.htm

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