The Division provides guidance to the business community on antitrust laws, much of it jointly with the Federal Trade Commission. It also enforces antitrust laws.
The Public Documents area specifically under Guidelines and Policy Statements, are the proposed (2023) and past Merger Guidelines from 2020 2010, 1968, 1982, 1984, 1992, 1997.

This is a good source for finding information on banks including their history which including when banks merged or were acquired.
Once you find a bank go into the record and look at the History tab.

Enforces the nation's antitrust laws.

This was a bi-weekly newsletter by the name "Buyouts" (HG4028.M4) that had news, data analysis, and interpretation of trends in the buyout industry including reports on new funds and fund closes, live and done deals, exits, general partners, limited partners, deal makers, intermediaries and more. Formerly known as "Buyouts & Acquisitions. "

This was a print title "The Daily Deal" (HG4028 .M4 D35) begun in the 1990's it focuses exclusively on the news, people and tactics around deals. The site is subscription based.

This is more for statistical data on energy companies only but they often write pieces and other items like a genealogy of refiners. The Annual Electric Power Industry data includes information on Mergers (2007 forward) – This file, compiled from data collected on Form EIA-861 only, contains information on mergers and acquisitions. (Formerly File 7). See also Federal Energy Regulatory Commission.

Federal Energy Regulatory Commission, or FERC, is an independent agency that regulates the interstate transmission of electricity, natural gas, and oil. The Energy Policy Act of 2005 gave FERC additional responsibilities including the review of certain mergers and acquisitions and corporate transactions by electricity companies.

the FTC provides guidance about the application of the U.S. antitrust laws to promote transparency and encourage compliance with the law. These resources aid antitrust practitioners, policy makers, businesses, and consumers with questions about the antitrust laws or competition policy.

The Hart-Scott-Rodino Act established the federal premerger notification program, which provides the FTC and the Department of Justice with information about large mergers and acquisitions before they occur. Includes text of legislation the merger process review, etc.

The IMAA is a not-for-profit think tank for Mergers & Acquisitions which pursues research and provides educational certificate programs, workshops, resources, and expert knowledge in the field of M&A. Institute members represent over 70 countries, including students and junior professionals to board level executives and government officials. The resources section has a publications, news, and statistics - though much of it is for members only.

Deal information back to 1998 as well as league tables. Also includes information on deals not yet complete. While this is a subscription/fee-based service, some of the reports are free to download if you provide some personal information.

This has sources for deals and other information. There is a particular tab for Valuation Resources and in the M&A tab there are helpful guides on how to use Capital IQ, Bloomberg, Thompson One.

This is a guide of M&A and Valuation resources created by the University of Pennsylvania libraries.

This was the weekly "Mergers & Acquisitions Report" (sn96030061) It delivers complete coverage of pending and ongoing deals as well as insights into industry trends, strategies and the firms and people involved. The site is subscription based.

Member association for training and certifying financial professionals in these disciplines.

Good for a quick look at more recent deals.

This is a 2021 repot on global M&A activity.

Part of the Investment Banking & Advisory area of Thomson Reuters, they are the vendor for the standalone product SDC Platinum and EIKON (some data in Thomson One).
Thomson Reuters Mergers & Acquisition (M&A) content covers over one million deals, including 300,000+ US-target and 700,000+ non-US-target transactions since the 1970s. Thomson Reuters M&A database which is part of the Thomson Reuters Deals solution can be accessed via Eikon and is used by more than 3,000 investment banks, law firms, hedge funds, corporations and educational institutions globally, to monitor and report on transaction activity, perform market share analysis, and identify new business and investment opportunities.

Data and reports from the UNCTAD that are M&A related come as part of trade and foreign direct investment (FDI) statistics/analysis. UNCTAD used to keep the Cross-border Mergers and Acquisitions Database but that ceased in early 2012. Statistics/data are still available on the UNCTAD web page. Also, see the World Investment Report: Annex Tables

This is a free online guide to business valuation resources, industry information, economic data, and more. Designed as a comprehensive reference guide for business appraisers, the site's audience encompasses a broad mix of business owners, professionals, educators, students, and other parties interested in business valuation and industry information.