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).
Meta Platforms disclosed that director Dina Powell McCormick notified the company on December 19, 2025 that she will resign from its Board of Directors, effective immediately. The filing does not give a reason for the resignation or name a replacement.
Dina Powell McCormick notified Meta on December 19, 2025 of her resignation from the Board of Directors.
The resignation is effective immediately.
The filing does not state a reason for the departure or name a successor.
Okta expanded its board from 10 to 11 directors and appointed Rob Bernshteyn and Paul Sagan as independent directors, effective December 19, 2025. The company also disclosed that director Mary Agnes (Maggie) Wilderotter resigned from the board on December 15, 2025, for reasons unforeseen at the time of her joining, and not due to any disagreement with the company.
Board expanded from 10 to 11 directors; Bernshteyn and Sagan appointed effective December 19, 2025
Bernshteyn joins the Audit and Cybersecurity Risk committees; Sagan joins the Compensation and Nominating committees
Each new director receives $35,000 in annual board compensation and an initial grant of 5,876 restricted stock units vesting over three years
Wilderotter stepped down from the board on December 15, 2025
Toll Brothers said its Senior Vice President and Chief Accounting Officer, Michael J. Grubb, intends to retire as principal accounting officer on February 2, 2026. The company intends to appoint Erica J. Mainardi, a internal promotee with prior accounting roles at DuPont, BrightView and Ernst & Young, to succeed him effective the same date.
Michael J. Grubb, 61, has worked at the company for 22 years and has been Chief Accounting Officer since January 2018.
Erica J. Mainardi, 44, is slated to become Senior Vice President and Chief Accounting Officer effective February 2, 2026.
Mainardi joined Toll Brothers as Director, FP&A in June 2020 and was promoted to Vice President in September 2021.
The filing reports no financial results, and no arrangements or family relationships tied to the appointment.
Monarch Casino & Resort said director Yvette E. Landau will resign from the board and its Compensation and Audit committees effective January 1, 2026, and that her resignation was not due to any disagreement with the company. The board appointed Hope Taitz as a director effective the same date, subject to regulatory approvals, and named her to the Compensation and Audit committees. This is a board change with no reported effect on financial results.
Yvette E. Landau resigns from the board and Compensation and Audit committees, effective January 1, 2026; notice given December 17, 2025
Hope Taitz appointed director effective January 1, 2026, subject to applicable regulatory approvals, serving until the 2026 annual meeting
Taitz receives an annual director fee of $75,000 and a stock option grant of 6,100 shares on June 30, 2026, with additional annual grants of 6,100 shares
Kemper's former Chief Claims Officer for P&C, Duane A. Sanders, left his role effective October 22, 2025 and is serving as an executive advisor through December 31, 2025. The company terminated him without cause and entered a separation agreement with him on December 16, 2025, providing a cash severance of $2,025,000 among other benefits.
Sanders resigned as EVP and Chief Claims Officer, P&C effective October 22, 2025; advisory role runs through December 31, 2025.
Benefits include 2025 short-term incentive eligibility, 18 months of employer-paid healthcare premiums, and 12 months of financial planning services, conditioned on a release and restrictive covenants.
United Parks & Resorts' Compensation Committee approved a grant of restricted stock units worth $4 million (grant date fair value) to CEO Marc Swanson on December 15, 2025. The awards vest in tranches from December 31, 2025 through December 31, 2029, and are conditional on him remaining CEO on each vesting date.
Grant date fair value totals $4,000,000, approved December 15, 2025 under the 2025 Omnibus Incentive Plan
Tranches vest on December 31, 2025 ($500,000), June 30, 2026 ($250,000), December 31, 2026 ($250,000), and $1,000,000 each on December 31 of 2027, 2028 and 2029
Vesting requires Mr. Swanson to continue as Chief Executive Officer on each vesting date
Acadia Realty Trust said it will appoint David Buell as Chief Accounting Officer effective January 5, 2026, succeeding Richard Hartmann, who will stay with the company as Senior Vice President, Strategic Initiatives. The filing discloses Buell's $375,000 base salary and equity and cash awards, but it does not report any change to the company's financial results or outlook.
Buell, 44, most recently served as Senior Vice President and Chief Accounting Officer of Kite Realty Group Trust from 2018 to 2025.
Buell's pay includes a $375,000 annual base salary, a one-time $500,000 equity award with five-year cliff vesting, and a signing award of up to $245,000 in cash and up to $245,000 in equity.
Hartmann has been with the company since 1997 and Chief Accounting Officer since 2012.
Dycom Industries director Luis Avila-Marco notified the board on December 18, 2025, that he will retire at the 2026 Annual Meeting of Shareholders rather than seek reelection. The company said the decision did not stem from any disagreement over its operations, policies or practices, and it expects to reduce the board from 10 to 9 members after his retirement.
Director Luis Avila-Marco notified the board on December 18, 2025 of his decision
He will retire from the board as of the 2026 Annual Meeting of Shareholders
No disagreement with the company on operations, policies or practices, per the filing
Board size expected to fall from 10 to 9 members upon his retirement
Axalta approved cash retention bonuses for certain employees, including three named executive officers, in connection with its pending all-stock merger with AkzoNobel announced November 18, 2025. The bonuses vest six months after the merger closes, subject to continued employment, so they are designed to keep key executives through the transaction.
CFO Carl D. Anderson II's retention bonus is $1,360,009, approved December 15, 2025
Hadi H. Awada (President, Global Mobility Coatings) has a bonus of $1,040,130
Troy D. Weaver (President, Global Refinish) has a bonus of $1,084,837; bonuses vest six months after the merger closing date
Comfort Systems USA said Trent McKenna will move from Executive Vice President and Chief Operating Officer to President and Chief Operating Officer effective January 1, 2026, with Brian E. Lane remaining Chief Executive Officer. General Counsel Laura F. Howell will retire effective December 31, 2025, and Rachel R. Eslicker will succeed her, so shareholders should note a senior management and legal leadership change at year-end.
McKenna's new base salary is $850,000, with a target bonus of 115% of base salary.
His long-term incentive award has a grant date value equal to 400% of base salary, split between time-vesting and performance-vesting restricted stock units.
Howell retires as Senior Vice President, General Counsel and Secretary effective December 31, 2025, and will serve as a Senior Executive Advisor in 2026.
Rachel R. Eslicker, Associate General Counsel since January 2023, has been appointed to succeed Howell.
HCI Group's compensation committee awarded cash bonuses on December 11, 2025, and set new annual salaries effective January 1, 2026, for five executives, including CEO Paresh Patel. The filing also grants restricted stock to three named executives and one other officer, vesting over three years, and the bonuses are to be paid before December 31, 2025. The filing is a routine compensation disclosure with no stated effect on company financial results.
CEO Paresh Patel: $950,000 base salary and $3,200,000 cash bonus
Karin Coleman (COO) and James Mark Harmsworth (CFO) each received a $250,000 cash bonus; Coleman's base salary is $700,000 and Harmsworth's is $625,000
Coleman, Harmsworth and General Counsel Andrew L. Graham each received 1,251 shares; Anthony Saravanos received 621 shares, all vesting in equal installments over three years
Heritage Financial Corporation's Board approved the appointment of Scott T. Allan, age 60, as a director effective January 1, 2026, and he will also join the board of Heritage Bank on the same date. He will serve on the Audit and Risk and Technology Committees, and the board determined he is independent under Nasdaq listing standards. The filing says he will receive the company's standard non-employee director compensation, and the company describes him as an experienced business leader with a background in engineering, consulting, and consumer brand leadership.
Scott T. Allan, age 60, joins the Heritage Financial and Heritage Bank boards effective January 1, 2026
He will serve on the Audit and Risk and Technology Committees
The board determined Allan is independent under Nasdaq listing standards
Allan was formerly president and CEO of Hydro Flask from 2012 to 2016 and is a partner at Cascade Growth Partners
Hawkins said its Vice President, General Counsel and Secretary, Richard G. Erstad, intends to retire after 17 years in those roles. He is expected to stop serving as an executive officer on December 28, 2025, as the first step of a planned transition, and to remain an employee until May 2026.
Richard G. Erstad notified the company of his retirement intention on December 17, 2025.
He is expected to cease being an executive officer effective December 28, 2025, the end of the third fiscal quarter.
He is expected to stay on as an employee until May 2026 to support a smooth transition.
The filing does not name a successor or describe financial effects.
Peabody Energy's board has started an active search for a successor to CEO James Grech, who is approaching retirement eligibility. Under a Transition and Consulting Agreement effective December 17, 2025, Grech stays as CEO until May 15, 2028, then serves in an advisory role until May 15, 2030, which gives shareholders a defined leadership handover timeline.
Grech remains CEO until the Transition Date of May 15, 2028, and is expected to stay on the board until then.
After the transition, Grech will serve in an advisory capacity until May 15, 2030, at a consulting fee of $1,500,000 per year.
The company says the agreement is part of succession planning and not the result of any disagreement over operations, policies or practices.
AEP's Board granted Chair, President and CEO William J. Fehrman a special equity award on December 18, 2025, as part of its retention strategy and to further align his pay with company performance. The award totals $15 million: $10 million in performance shares and $5 million in restricted stock units, both tied to continued employment through December 31, 2030.
Performance shares worth $10,000,000 vest after continued employment through December 31, 2030, based on five years of average relative total shareholder return.
Performance score ranges from 0% to 200%, based on rTSR between the 20th and 80th percentiles against peers.
Restricted stock units worth $5,000,000 vest on December 31, 2030, subject to continued employment.
Ryder System director Abbie Smith informed the board on December 18, 2025 that she will retire and not stand for reelection at the 2026 Annual Meeting of Shareholders, and the filing says her retirement is not due to any disagreement with the company. The board appointed Tammy Romo, a former Southwest Airlines CFO, as a director effective January 5, 2026, and she will serve on the Audit and Finance Committees, which is a board change rather than a financial disclosure.
Abbie Smith will retire and not stand for reelection at the 2026 Annual Meeting; the filing states no disagreement with the company.
Tammy Romo, 63, joins the board effective January 5, 2026, and is expected to stand for election at the Annual Meeting.
Romo retired as executive vice president and CFO of Southwest Airlines on April 1, 2025, and has been an independent director of Tenet Healthcare since 2015.
Romo will serve on the Audit and Finance Committees and receive standard non-employee director compensation; the filing contains no financial results.
Bain Capital GSS Investment Corp. appointed Michael E. Purves to its board as an independent director, effective immediately, on December 18, 2025. He will also serve on the Audit, Compensation and Nominating Committees.
Board appointment of Michael E. Purves, 61, effective immediately after the December 18, 2025 board action
Purves is CEO of Tallbacken Capital Advisors, LLC, which he has run since 2019, with over 27 years of financial services experience
Purves owns 30,000 Class B ordinary shares of the company; the board determined he is independent
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.