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S&P 500 Deals per Month
Form 8-K filings by S&P 500 companies reporting a material definitive agreement signed, and a significant acquisition or disposition completed, each month
Plays the chart through its history. Pauses are where the data set a record or moved most.
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Original 8-K filings. Completed deals cover sales as well as purchases; agreements include merger agreements and also credit agreements and other large contracts. Deal values are not counted. Until November 2006 executive pay agreements were also reported as material agreements, which lifts the early years. Membership: today's members before 26 September 2026, dated membership after.
The same 8-K deal filings for the largest U.S. companies: their merger agreements, financings and completed deals.
What this chart reads
- S&P 500 Material Agreements Reported on 8-Kas “Agreements signed (Item 1.01)”latest 2026-09-01
- S&P 500 Completed Acquisitions and Disposals Reported on 8-Kas “Acquisitions or sales completed (Item 2.01)”latest 2026-09-01
Sources
S&P 500 Material Agreements Reported on 8-K. Source: U.S. Securities and Exchange Commission, EDGAR Form 8-K filings: the item list on each filing from data.sec.gov submissions and EDGAR's bulk submissions file, with the EDGAR daily form indexes. Public domain: "Information presented on sec.gov is considered public information and may be copied or further distributed by users of the web site without the SEC's permission" (SEC website dissemination policy, sec.gov/about/privacy-information). Every counted filing is available, with its accession number, from the Palanor deals API.
S&P 500 Completed Acquisitions and Disposals Reported on 8-K. Source: U.S. Securities and Exchange Commission, EDGAR Form 8-K filings: the item list on each filing from data.sec.gov submissions and EDGAR's bulk submissions file, with the EDGAR daily form indexes. Public domain: "Information presented on sec.gov is considered public information and may be copied or further distributed by users of the web site without the SEC's permission" (SEC website dissemination policy, sec.gov/about/privacy-information). Every counted filing is available, with its accession number, from the Palanor deals API.
Charts are drawn from Palanor's signal library and recomputed from source data on every view. Transformations (changes, indexing, year-on-year rates) are Palanor's.