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).
CRH plc disclosed that director Patrick Decker resigned from its Board of Directors effective December 1, 2025, citing unforeseen circumstances. The company said the resignation was not due to any disagreement over its operations, policies or practices, and the Board reduced its size from 13 to 12 members.
Patrick Decker resigned as a Director effective December 1, 2025, citing unforeseen circumstances
The filing states the resignation was not related to any disagreement with the company's operations, policies or practices
Board size reduced from 13 to 12 members following the resignation
Apple said Jennifer Newstead will become its general counsel on March 1, 2026, succeeding Kate Adams, who has held the role since 2017. Newstead joins as senior vice president in January and reports to CEO Tim Cook, while Adams stays on to lead government affairs until her retirement in late 2026.
Jennifer Newstead becomes general counsel on March 1, 2026, after joining as senior vice president in January 2026
Kate Adams, general counsel since 2017, remains at Apple to oversee government affairs until her retirement in late 2026
Newstead will report to CEO Tim Cook and serve on Apple's executive team
General Dynamics said Danny Deep, previously executive vice president, Global Operations, was promoted to president effective December 3, 2025. The filing sets his base salary at $1,300,000 and a target annual incentive of 150% of base salary, and says his long-term equity pay will follow the approach in the company's 2025 proxy statement.
Danny Deep promoted from executive vice president, Global Operations to president, effective December 3, 2025
Base salary set at $1,300,000
Target annual incentive opportunity at 150% of base salary
Long-term incentive is equity-based and follows the approach in the 2025 proxy statement filed March 28, 2025
On December 2, 2025, C. Matthew Turney resigned from the board of Topgolf Callaway Brands Corp. The filing says he left because he departed Dundon Capital Partners, not because of any disagreement with the company, and the board reduced its size to nine directors. Dundon, which had the right to designate him under the Stockholders Agreement, is evaluating options for a new nominee.
C. Matthew Turney resigned as a director on December 2, 2025
Resignation followed his departure from Dundon Capital Partners; the filing cites no disagreement with the company
Board size reduced to nine directors
Dundon is currently evaluating options to designate a new director under the Stockholders Agreement dated October 27, 2020
General Dynamics said controller William Moss will retire effective March 31, 2026, and Dana O. Maisano, currently controller and financial planning and analysis head at its GDIT subsidiary, will succeed him as controller effective April 1, 2026. The change is an orderly, planned succession in a finance role and does not involve any reported financial results or guidance.
William A. Moss notified the company on December 3, 2025 of his intent to retire as vice president and controller, effective March 31, 2026.
Dana O. Maisano, 44, will become controller effective April 1, 2026.
Maisano has been with the company for more than 20 years and has held her current GDIT role since 2018.
Chevron's board adopted amended and restated bylaws effective December 3, 2025, streamlining the officer article and removing many specific officer titles to allow more flexibility in modernizing titles. The board also approved an updated executive officer list that adds two executive officers, Robert C. Neff, Jr. (President, Upstream) and Andrew B. Walz (President, Downstream, Midstream and Chemicals). The filing gives no financial results, and the changes are administrative in nature.
Bylaws amended and restated effective December 3, 2025, simplifying Article II (Officers)
Several specific officer positions, including Treasurer, Controller and General Tax Counsel, were deleted from the bylaws
Two new executive officers added: Robert C. Neff, Jr., President, Upstream, and Andrew B. Walz, President, Downstream, Midstream and Chemicals
Michael K. Wirth remains Chief Executive Officer and Eimear P. Bonner remains Chief Financial Officer
Eversource Energy's Board of Trustees elected Warren Robert Mudge, former Verizon Chief Operating Officer and former Brightspeed CEO, as a Trustee effective January 1, 2026, and appointed him to the Audit Committee and Finance and Risk Management Committee. The filing also reports a board chair change for the Governance, Environmental and Sustainability Committee and updated governance guidelines, which does not involve financial results or guidance.
Mudge's initial term runs until the 2026 Annual Meeting of Shareholders, expected in May 2026.
Mudge will receive a $125,000 annual cash retainer and an RSU grant valued at $175,000 on January 15, 2026.
David H. Long was appointed Chair of the Governance, Environmental and Sustainability Committee, effective January 1, 2026.
The Board approved changes to its Corporate Governance Guidelines to more precisely outline the Lead Independent Trustee's responsibilities.
Harley-Davidson said two senior executives, Chief Digital and Operations Officer Jagdish Krishnan and Chief Commercial Officer Luke Mansfield, will step down effective December 31, 2025, and will receive benefits under the Executive Severance Plan. CFO Jonathan Root will remain CFO and oversee finance and Harley-Davidson Financial Services, and will also take the title of Chief Commercial Officer of Harley-Davidson Motor Company.
Jagdish Krishnan steps down as Chief Digital and Operations Officer of Harley-Davidson, Inc., effective December 31, 2025
Luke Mansfield steps down as Chief Commercial Officer of Harley-Davidson Motor Company, effective December 31, 2025
Both departures qualify for benefits under the Executive Severance Plan
Jonathan Root remains CFO and adds the Chief Commercial Officer title while keeping global commercial operations oversight
Carlyle said General Counsel Jeffrey Ferguson, at the firm since 1999, will retire as General Counsel in 2026 and then serve as a Senior Advisor to help with the transition. The firm has started a search for his successor. The filing describes a leadership change in a legal role without any stated financial figures.
Jeffrey Ferguson, General Counsel since 1999, will retire as General Counsel in 2026.
He will become a Senior Advisor to help ensure a smooth transition to his successor.
Carlyle is commencing a search for a new General Counsel.
Loews Corporation said directors Ann E. Berman and Charles M. Diker will retire from its Board effective at the 2026 Annual Meeting of Shareholders. The company expects the Board to shrink to ten directors after their departures. The change is administrative in nature and involves no financial results, deal, or guidance.
Ann E. Berman has served on the Board since 2006; Charles M. Diker since 2003
Retirements take effect at the Corporation's 2026 Annual Meeting of Shareholders
Board size is expected to be reduced to ten directors
On December 4, 2025, WEC Energy Group's Compensation Committee set the performance measures and weightings for 2026 annual incentives and 2026 performance unit awards for named executive officers. The annual incentive is weighted mainly on earnings per share (75%) and cash flow (25%) for most executives, with Wisconsin utility net income added for Wisconsin-focused roles. The filing sets pay criteria only and reports no financial results or pay amounts.
Annual incentive for most NEOs: earnings per share 75% weight and cash flow 25% weight, adjustable by up to 10% for customer satisfaction, safety and diversity/workforce goals.
Wisconsin-focused NEOs: earnings per share 25%, cash flow 25% and Wisconsin utility aggregate net income 50%.
2026 performance unit awards: three-year total shareholder return versus a custom peer group (55%) and weighted average authorized return on equity of utility subsidiaries (45%), with a stock price to earnings ratio measure that can raise v
Vesting is capped at 200% of the target award; the filing is dated December 5, 2025.
Aptiv PLC's board appointed Håkan Agnevall, President and CEO of Wärtsilä Corporation, as a director effective December 10, 2025. The filing says he has no material interest in any related-party transaction requiring disclosure, and the company described him as bringing experience in electrification, automation and service innovation.
Board appointment made December 2, 2025; effective date December 10, 2025
Agnevall has been President and CEO of Wärtsilä Corporation since February 2021
Previously President of Volvo Buses (2013 to 2021) and held senior roles at Bombardier Transportation and ABB
Filing states he has no direct or indirect material interest in any transaction requiring disclosure under Item 404(a) of Regulation S-K
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.