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).
Axos Financial disclosed that David Park informed the company on December 15, 2025 of his resignation as President, Head of Commercial Bank at Axos Bank, a subsidiary, effective at a later date not specified in the filing. The company said the resignation was not due to any disagreement on any matter relating to the company.
David Park notified Axos Financial of his resignation on December 15, 2025.
His role is President, Head of Commercial Bank at Axos Bank, a subsidiary of the company.
The filing states no disagreement with the company led to the resignation.
The filing does not give an effective date or name a successor.
On December 15, 2025, National Health Investors entered into updated change-in-control severance agreements with five named executive officers, replacing agreements dated February 26, 2024. The agreements set cash severance multiples, COBRA coverage and equity vesting if an executive is terminated without cause or resigns for good reason within two years after a change in control.
Agreements dated December 15, 2025 cover D. Eric Mendelsohn, Kristin S. Gaines, Kevin C. Pascoe, John L. Spaid and David L. Travis
Lump sum severance multiples are 3.0 times for Mendelsohn, 2.0 times for Pascoe and Spaid, and 1.5 times for Gaines and Travis
Benefits include 18 months of COBRA coverage and accelerated vesting of time-based equity awards
Shift4 Payments said Executive Chairman Jared Isaacman resigned from the board after being sworn in as NASA Administrator on December 18, 2025, and Taylor Lauber was appointed Chairman. Isaacman's agreement with the U.S. Office of Government Ethics also calls for him to vote about 25% of his affiliated voting power under a letter agreement, and he plans to collapse the company's Up-C structure within 60 days, which would end the company's status as a controlled company under NYSE rules.
Isaacman was sworn in as NASA's 15th Administrator on December 18, 2025, after a Senate confirmation vote on December 17, 2025.
Taylor Lauber was appointed Chairman of the Board, effective upon Isaacman's confirmation.
Isaacman has represented he intends to convert his equity units and Class B and Class C shares into Class A shares and terminate the Tax Receivable Agreement within 60 days.
Shift4 will no longer be a controlled company under NYSE governance standards as a result of these transactions.
Ulta Beauty adopted an Executive Severance Plan on December 15, 2025, providing severance to executive officers after involuntary terminations without cause, except terminations tied to a change in control. The company's 2017 change-in-control plan remains in effect and the new plan replaces other executive severance arrangements, which sets a standard benefit structure for executives but reports no financial figures for shareholders.
Severance equals two times base salary, paid bi-weekly over 24 months, plus one times the lower of target or actual annual bonus, paid as a lump sum.
Company-paid COBRA premiums cover up to 12 months after termination; payments require a general release and compliance with restrictive covenants for 24 months.
The Severance Plan replaces prior individual letters and plans, except the Executive Change in Control and Severance Plan dated March 24, 2017.
Intuitive Surgical said Brian E. Miller, Ph.D., will leave his Chief Digital Officer role and become Head of Digital and AI Strategy effective January 1, 2026. He will no longer report directly to the Chief Executive Officer. The filing does not describe compensation changes or a departure from the company.
Effective date of the role change is January 1, 2026.
Brian E. Miller, Ph.D., moves from Chief Digital Officer to Head of Digital and AI Strategy.
Miller will no longer report directly to the Chief Executive Officer.
The 8-K was filed December 18, 2025 and signed by CFO Jamie E. Samath.
On December 16, 2025, Teledyne's board approved a new employment agreement for Executive Chairman Robert Mehrabian, running through December 31, 2028, and raised the base salary of President and CEO George Bobb to $1.0 million from January 1, 2026. The board also approved revised bylaws that would let holders of at least 25% of the voting power call a special stockholder meeting, but these take effect only if stockholders approve a related charter amendment at the 2026 annual meeting.
Mehrabian base salary set at $1.3 million effective January 1, 2026, plus a one-time $3.3 million special retention restricted stock award in 2026
Bobb base salary set at $1.0 million effective January 1, 2026, with a 130% annual incentive target and a 140% performance plan target
Revised Sixth Amended and Restated Bylaws allow holders of at least 25% of voting power to call a special meeting, contingent on stockholder approval at the 2026 annual meeting
Phibro Animal Health said CEO and President Jack Bendheim will resign effective July 1, 2026, and become Executive Chairman while remaining Chairman of the Board. Executive Vice President Dani Bendheim, Jack Bendheim's son, will become CEO and President on that date, and the company said its Board unanimously supports the transition.
Jack Bendheim resigns as CEO and President effective July 1, 2026, and takes the role of Executive Chairman
Dani Bendheim, 53, Executive Vice President, Corporate Strategy and a company employee since 1997, will become CEO and President
Dani Bendheim is the son of Jack Bendheim and the brother of director Jonathan Bendheim; both executives will enter new or amended employment agreements before the effective date
The filing contains no financial results or guidance
Parsons Corporation appointed John T. Martinez as its Chief Legal Officer, effective February 16, 2026, succeeding Michael R. Kolloway, who has held the role since 2017 and plans to retire in the second quarter of 2026. Martinez brings more than 25 years of legal experience, including prior chief legal officer and general counsel roles at Maximus, GE Aerospace and Raytheon Technologies subsidiaries.
John T. Martinez named Chief Legal Officer, effective February 16, 2026
Predecessor Michael R. Kolloway has served as CLO since 2017 and will remain as an advisor until retirement in Q2 2026
Martinez previously served as chief legal officer and corporate secretary at Maximus, Inc. and vice president and general counsel at GE Aerospace
Indivior PLC's board approved base salary increases for CEO Joseph Ciaffoni, from $1,050,000 to $1,115,000, and CFO Ryan Preblick, from $559,000 to $604,000, effective January 1, 2026. The changes followed a review of the competitive market and recommendations from the Compensation Committee and the board's compensation consultant. The filing names Indivior PLC, not Supernus, Inc., and it reports no changes to company results, guidance, or executive roles.
CEO Joseph Ciaffoni's base salary rises from $1,050,000 to $1,115,000.
CFO Ryan Preblick's base salary rises from $559,000 to $604,000.
Changes are effective January 1, 2026, and were approved by the board on December 12, 2025.
Otter Tail Corporation appointed Christopher B. Clark and Steve P. Rasche to its Board of Directors, effective January 1, 2026. Director Steve Fritze will retire at the 2026 Annual Meeting of Shareholders, having reached the company's director retirement age. The filing describes board changes only and contains no financial results or guidance.
Christopher B. Clark, retired 2023 as President of Xcel Energy's Northern States Power Company, joins the Audit and Corporate Governance committees.
Steve P. Rasche, retired 2025 as CFO of Spire Inc., joins the Audit and Compensation and Human Capital Management committees.
Steve L. Fritze, a director since 2013, will retire at the April 2026 Annual Meeting of Shareholders.
Each new director receives an $80,000 annual retainer, $10,500 per committee, and restricted stock grants of about $130,000 annually plus about $32,500 for the partial year.
Avantor's Board elected Simon Dingemans as a director effective January 2, 2026, filling the seat left by Jonathan Peacock's resignation effective December 31, 2025. The filing describes Dingemans's prior roles at The Carlyle Group, GSK and Goldman Sachs and sets his standard non-employee director pay, so shareholders gain a new board member but no change in financial results or operations is reported.
Simon Dingemans elected director by the Board on December 17, 2025, effective January 2, 2026, with term ending at the 2026 Annual Meeting
Filled vacancy created by Jonathan Peacock's resignation from the Board, effective December 31, 2025
Annual cash retainer of $95,000 plus restricted stock units with a grant date fair value of $210,000, vesting May 6, 2026
Previously served as CFO of GSK plc from 2011 to 2019; the Board determined he meets NYSE independence standards
Sprinklr's Board appointed Michele Meyers as Chief Accounting Officer and principal accounting officer, effective January 5, 2026, and the company announced the appointment in a December 18, 2025 press release. CFO Anthony Coletta remains the principal financial officer. The filing sets out her pay package, including a $380,000 base salary and a $2,000,000 restricted stock unit award, which matters to shareholders as a change in the leader of the company's accounting function.
Board appointed Meyers on December 12, 2025; her start date is January 5, 2026.
Initial base salary of $380,000, target bonus of 40% of base salary, and one-time $220,000 signing bonus.
RSU award with $2,000,000 aggregate grant date fair value; first vesting on March 15, 2027, with the remainder vesting in installments through March 15 of later years.
Meyers has been Vice President, Accounting and Chief Accounting Officer at Coursera since March 2022 and will remain there through January 2, 2026.
Maximus disclosed that Chief Legal Officer and Corporate Secretary John T. Martinez intends to resign effective February 15, 2026, to pursue a new opportunity. The company says the departure is not due to any disagreement on its operations, policies, or practices, and it has started searching for a replacement.
Notice of resignation received December 15, 2025
Effective date of resignation: February 15, 2026
Martinez will remain in his current role until departure
Marathon Petroleum said Maria A. Khoury, a former CFO at Danaher's life sciences unit and GE units, will become executive vice president and chief financial officer on January 19, 2026, succeeding John J. Quaid, who will stay with the company in a transition role. The filing gives her $800,000 base salary, a target bonus of 100% of salary, and a 2026 long-term incentive target of $2,400,000, which shareholders may track as part of executive pay.
Maria A. Khoury becomes executive vice president and CFO effective January 19, 2026
Base salary of $800,000 with a target annual bonus equal to 100% of salary
2026 long-term incentive target award of $2,400,000 and a one-time restricted stock unit grant valued at $275,000
John J. Quaid ceases to be CFO on the effective date and will remain in a non-executive transition role
Performance Food Group announced that Chairman and CEO George Holm will retire as CEO effective January 1, 2026, and become Executive Chair. President and COO Scott McPherson will succeed him as CEO and join the board on the same date. The filing describes the change as a planned succession process, with no financial results disclosed.
Scott McPherson, 55, becomes CEO and President and joins the board of 14 directors effective January 1, 2026, up from 13
George Holm becomes Executive Chair; his fiscal 2026 salary is reduced to $600,000 for the remainder of the year
McPherson's base salary rises to $1 million, with a 150% annual cash incentive target and a $6 million long-term equity target
McPherson receives a $1,750,000 equity grant on January 1, 2026, 60% performance shares tied to relative total shareholder return and 40% time-based restricted stock
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.