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8-K filings in January 2026, explained

924 material Form 8-K filings that 737 companies we cover made with the SEC in January 2026, 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).

2 of 924 briefs match

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ABBVAbbVie Inc. Jan 7, 4:08 PM ET

AbbVie cuts 2025 adjusted EPS guidance to $9.90-$9.94 on $1.3 billion Q4 IPR&D expense

Negative guidance Written later 2.02

AbbVie said its fourth-quarter 2025 results will include $1.3 billion in pre-tax acquired IPR&D and milestones expense, which lowers both GAAP and adjusted diluted EPS by $0.71. The company's full-year 2025 adjusted EPS guidance now falls to $9.90-$9.94 from $10.61-$10.65 excluding the charge, and results for the quarter have not been finalized.

Q4 2025 acquired IPR&D and milestones expense: $1.3 billion pre-tax ($1,265 million), reducing EPS by $0.71
Full-year 2025 adjusted diluted EPS guidance: $9.90-$9.94, including the Q4 expense, versus $10.61-$10.65 previously announced on October 31, 2025 excluding it
Q4 2025 adjusted diluted EPS guidance: $2.61-$2.65, versus $3.32-$3.36 before the expense; figures are preliminary and subject to closing procedures

Read the filing on SEC.gov ↗

CSGPCOSTAR GROUP, INC. Jan 7, 7:31 AM ET

CoStar Group sets 2026 revenue outlook of $3.78 billion to $3.82 billion

Positive guidance Written later 5.02 7.01

CoStar Group issued its 2026 financial outlook and medium-term targets and announced a new $1.5 billion share repurchase program and a new executive compensation program. The company expects 2026 revenue of $3.78 billion to $3.82 billion and Adjusted EBITDA of $740 million to $800 million, and plans to reduce net investment in Homes.com by more than $300 million in 2026. The filing also amends CEO Andrew Florance's employment agreement and adopts an Executive Severance Plan.

2026 revenue guidance of $3.78 billion to $3.82 billion, about 18% growth over the midpoint of prior 2025 guidance
2026 net income guidance of $175 million to $215 million, or $0.42 to $0.52 per diluted share; Adjusted EBITDA guidance of $740 million to $800 million
New $1.5 billion share repurchase program, following the accelerated completion of a $500 million program in 2025
Net investment in Homes.com expected to fall by more than $300 million in 2026, from $850 million in 2025; CEO employment agreement amended effective January 1, 2026 to delete a legacy tax gross-up provision

Read the filing on SEC.gov ↗

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.