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8-K filings in October 2025, explained

1,152 material Form 8-K filings that 918 companies we cover made with the SEC in October 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).

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DALDELTA AIR LINES, INC. Oct 9, 6:30 AM ET

Delta Air Lines Q3 revenue hits record $15.2B; adjusted EPS $1.71, up 14%

Positive earnings Written later 2.02

Delta reported September quarter 2025 results, with adjusted revenue of $15.2 billion, up 4.1% from a year earlier, and adjusted diluted EPS of $1.71, up 14%. The company expects full-year adjusted EPS of approximately $6, in the upper half of its July guidance, and December quarter adjusted EPS of $1.60 to $1.90.

Adjusted operating income of $1.7 billion and adjusted operating margin of 11.2%, versus 9.4% a year earlier
GAAP diluted EPS of $2.17, up from $1.97; GAAP net income of $1.4 billion
December quarter outlook: total revenue growth of 2% to 4%, operating margin of 10.5% to 12%, adjusted EPS of $1.60 to $1.90
Full-year free cash flow outlook of $3.5 billion to $4 billion; gross leverage of 2.4x at quarter end

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.