619 material Form 8-K filings that 507 companies we cover made with the SEC in December 2025, each read and summarized by AI: what happened, the key figures, whether it reads positive or negative for shareholders, and how big a deal it is (impact 1-5). All of them were written later, when past filings were added: a selection, not every 8-K of the month (see the note below).
Citigroup's board approved on December 29, 2025 a plan to sell AO Citibank, which holds the bank's remaining Russian operations, and will report that business as held for sale from the fourth quarter of 2025. The sale is expected to sign and close in the first half of 2026, and Citi expects a pre-tax loss on sale of approximately $1.2 billion ($1.1 billion after-tax) in the fourth quarter, mostly from currency translation losses. Citi says the cumulative translation impact would be capital neutral to its Common Equity Tier 1 Capital, but the loss remains subject to change, including from foreign exchange movements.
Board approved the plan on December 29, 2025 to sell AO Citibank, which conducts Citi's remaining operations in Russia.
Expected pre-tax loss on sale of approximately $1.2 billion ($1.1 billion after-tax) in Q4 2025, recorded as a reduction of Other Revenue.
The loss includes approximately $1.6 billion of currency translation adjustment losses, partly offset by about $0.2 billion from derecognition of a fully reserved investment and about $0.2 billion of expected sale proceeds.
Sale expected to sign and close in the first half of 2026; amounts are as of September 30, 2025.
PTC Therapeutics sold its retained interest in its Evrysdi royalty stream to Royalty Pharma Investments 2019 ICAV on December 29, 2025, for $240.0 million in upfront cash. The company also may receive three additional $20.0 million payments, each tied to royalty payments exceeding set thresholds in 2027, 2028 and 2029, and it no longer owns any part of the royalty.
Upfront cash consideration of $240.0 million paid to PTC Therapeutics on December 29, 2025
Three potential $20.0 million payments, conditioned on Assigned Royalty Payments above $347.0 million (2027), $363.0 million (2028) and $379.0 million (2029)
Retained interest sold was 9.5111% of the Royalty before the 2020 Assigned Royalty Cap is met and 16.6666% after; PTC now owns 0% of the Royalty
Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.
Briefs marked “Written later” were written in November 2026 for filings that were by then more than three weeks old, so months before mid-October 2026 hold a selection: every material 8-K of the past year for the 100 largest companies we cover and the last 15 important 8-Ks of every other one. Briefs the number check holds back are not shown or counted. Also: the last 45 days, briefs by company, A–Z and the live SEC filings wire.