secwatch.observer — SEC 8-K summary
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Issuer:     PTC THERAPEUTICS, INC. (PTCT)
CIK:        0001070081
Form:       8-K
Filed at:   2026-06-18T20:14:58+00:00
Accession:  0001104659-26-075731
Event type: debt
Sentiment:  neutral
Materiality: 0.75
Item codes: 1.01, 2.03, 3.02, 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

PTC Therapeutics closes $550M zero-coupon convertible notes offering, repurchases $222M of existing notes
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- Issued $550M aggregate principal of 0.0% Convertible Senior Notes due 2031, initial conversion price ~$107.48/share.
- Net proceeds approximately $535.5M after discounts and estimated offering expenses.
- Using ~$328.8M to repurchase $222M principal of existing 1.50% Convertible Senior Notes due 2026; $55.5M remains outstanding.
- Notes are general unsecured senior obligations; company may redeem after June 20, 2029 if stock price >=130% of conversion price.
- Initial purchasers exercised in full their option to purchase an additional $50M of notes.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1070081/000110465926075731/0001104659-26-075731-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1070081/000110465926075731/tm2618266d1_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-26-075731

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