1,041 material Form 8-K filings that 824 companies we cover made with the SEC in November 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).
Western Digital appointed Brad Feller as Senior Vice President and Chief Accounting Officer, succeeding Gene M. Zamiska, with Feller also becoming principal accounting officer on November 14, 2025. The filing describes a routine finance leadership change with compensation terms, including a $425,000 base salary and sign-on equity, that are modest relative to the company's size and do not indicate a change in financial results.
Brad Feller, 51, takes the role effective November 14, 2025, succeeding Gene M. Zamiska
Compensation includes a $425,000 annual base salary and a 75% target short-term bonus
Sign-on RSU award with a $1,500,000 grant date value; a $300,000 signing bonus is subject to repayment if employment ends within two years
Flagstar Bank director Brian R. Callanan resigned from the bank's Board of Directors, effective November 2, 2025, after notifying the bank on October 30, 2025. The filing states the resignation was not due to any disagreement with the bank on its operations, policies or practices.
Brian R. Callanan resigned as a member of the Board of Directors of Flagstar Bank, N.A.
Notice was given October 30, 2025; resignation effective November 2, 2025.
The filing states the departure did not result from any disagreement with the bank on operations, policies or practices.
Sherwin-Williams said CFO Allen Mistysyn will retire effective December 31, 2025, and its board elected Benjamin Meisenzahl, the company's current SVP – Finance, as SVP – Finance and CFO effective January 1, 2026. The filing describes a planned succession process, which gives shareholders a known leadership transition timeline rather than an unplanned change.
Allen J. Mistysyn retires as SVP – Finance and CFO effective close of business December 31, 2025, and will take a short-term non-officer role afterward.
Benjamin E. Meisenzahl, 44, has been SVP – Finance since May 2023 and joined the company in January 2004.
Meisenzahl's base salary is $800,000, with a 2026 target annual cash incentive of 100% of salary and a maximum of 200%.
A conference call to discuss the announcement is scheduled for 10:00 a.m. EST on November 4, 2025.
AMERISAFE said its Executive Vice President and Chief Financial Officer, Anastasios Omiridis, will resign effective November 30, 2025, to pursue another opportunity, and that the departure is not due to a disagreement with the company. CEO G. Janelle Frost will assume principal financial and accounting officer duties while the company searches for a new CFO, which matters to shareholders because the finance leadership role will be vacant during the search.
Omiridis notified the company on October 31, 2025; he remains CFO until November 30, 2025.
The resignation is not due to a conflict or disagreement with the company's operations, policies or procedures.
CEO G. Janelle Frost will serve as principal financial officer and principal accounting officer during the CFO search.
The company plans to launch an executive search for a new Executive Vice President and Chief Financial Officer.
Louisiana-Pacific said CEO W. Bradley Southern will retire effective February 19, 2026, and its board appointed President Jason Ringblom to succeed him on the same date. The filing says LP will eliminate the office of President, and no compensation decisions tied to the promotion had been made as of the filing date.
Southern notified the board of his retirement on October 30, 2025, effective February 19, 2026.
Ringblom, who was promoted to President on April 7, 2025, will become CEO effective February 19, 2026.
LP will eliminate the office of President in connection with the promotion.
No compensation determinations related to Ringblom's promotion had been made as of the filing date.
Honeywell said Jim Currier, currently President and CEO of its Aerospace Technologies segment, has been selected to lead Honeywell Aerospace after its planned spin-off, and Craig Arnold has been selected as non-executive Chairman of that company's board. Arnold has also joined Honeywell's own Board of Directors effective immediately, pending election at the 2026 Annual Meeting of Shareowners. The spin-off is expected to be completed in the second half of 2026.
Jim Currier, 59, selected as President and CEO of Honeywell Aerospace, which will be an independent public company after the spin-off
Craig Arnold, 65, retired Chairman and CEO of Eaton Corporation, selected as non-executive Chairman of Honeywell Aerospace's board; he becomes Board Chair on completion of the spin-off
Arnold appointed to Honeywell's Board of Directors effective immediately and will stand for election at the 2026 Annual Meeting of Shareowners
Honeywell Aerospace had more than $15 billion in 2024 sales; spin-off expected in the second half of 2026
Acadia Pharmaceuticals said director Daniel B. Soland resigned from its Board and from his role as Chair of the Nominating and Corporate Governance Committee, effective October 30, 2025. The filing states the resignation was not due to any dispute or disagreement with the company or the Board about its operations, policies or practices.
Daniel B. Soland notified the Board of his resignation on October 28, 2025.
Resignation is effective October 30, 2025, and covers his Board seat and his committee membership and chair role.
The filing says the resignation involved no dispute or disagreement with the company or the Board.
Eagle Bancorp CEO Susan G. Riel told the boards on October 31, 2025 that she intends to retire as President and Chief Executive Officer in 2026, and the board is working with an executive search firm to find a successor. She will step down as board chair effective November 4, 2025, but will remain a director, and James A. Soltesz will become chair. The change is a leadership succession, and no new CEO has been named.
Riel's resignation as board chair takes effect November 4, 2025; she stays on as a director.
James A. Soltesz becomes Chairman and Louis P. "Pete" Mathews Jr. becomes Vice Chairman, both effective November 4, 2025.
Her CEO resignation will take effect on a date mutually agreed with the boards, no later than December 31, 2026.
Fastenal's board appointed Max H. Tunnicliff, 47, as Chief Financial Officer and Senior Executive Vice President effective November 10, 2025, ending Sheryl Lisowski's role as interim CFO, which she held since April 17, 2025. Lisowski remains Executive Vice President, Chief Accounting Officer, and Treasurer. A CFO change is a leadership transition that shareholders may watch closely, but the filing reports no change in financial results.
Tunnicliff's base salary is $430,000 per year, with a $225,000 signing bonus in the fourth quarter of 2025.
His bonus for the fourth quarter of 2025 depends on pre-tax income (0.50%) and net income (0.35%) exceeding the prior-year quarter's levels.
He will receive no stock options at appointment, but will be considered for 2026 awards expected to be about $1.2 million in value.
Tunnicliff previously served as CFO of Beko Europe from January 2024 and held senior finance roles at Whirlpool.
Ichor Holdings' CEO Jeffrey Andreson resigned as chief executive and board member effective November 3, 2025, and the company said the resignation was not due to any disagreement over operations, policies, or practices. The board promoted Chief Technology Officer Philip Barros to CEO and a director effective the same day, with a pay package that includes a $700,000 base salary and a 100% target bonus.
Jeffrey Andreson resigned as CEO and director effective November 3, 2025, with his notice given to the board on October 30, 2025.
Philip Barros, CTO since 2015 and SVP of Engineering since 2010, was appointed CEO and a board member effective November 3, 2025.
Barros's offer letter provides a $700,000 annual base salary, a cash bonus targeted at 100% of salary, and restricted and performance restricted stock units each with a $1.75 million grant date fair value.
Selective Insurance Group increased its board from 11 to 12 members and appointed Julie Parsons as a non-employee director effective November 3, 2025. She joins the Risk Committee and Compensation and Human Capital Committee, and her term runs until the 2026 Annual Meeting of Stockholders. The filing shows no financial results, and the appointment is a routine governance change for shareholders.
Board expanded from 11 to 12 members; Julie Parsons appointed effective November 3, 2025
Parsons named to the Risk Committee and Compensation and Human Capital Committee
Parsons is a retired Allstate executive who was EVP and Chief Operating Officer, Property and Liability Insurance
Parsons will not receive a 2025 annual equity award; her 2025 cash retainer will be prorated through December 31, 2025
Amkor Technology director John Liu resigned from the board on October 28, 2025, and the board reduced its size from eleven to ten directors. Liu is joining the company as Executive Vice President, Corporate Development and Strategy, effective November 3, 2025, so shareholders should note a board seat is vacated and a new senior executive role is starting.
John Liu resigned from the Board on October 28, 2025, and the filing states the resignation was not due to any disagreement with the company.
The board reduced its size from eleven to ten directors.
Liu joins Amkor as Executive Vice President, Corporate Development and Strategy on November 3, 2025.
Carlisle Companies appointed Jason Taylor as President of Carlisle Construction Materials, effective November 3, 2025, succeeding Steve Schwar, who becomes Vice Chair of the unit. Both report to Chair, President and CEO Chris Koch. The filing describes a planned leadership succession and does not report financial results or changes to guidance.
Jason Taylor joins as President of Carlisle Construction Materials (CCM), effective November 3, 2025
Taylor previously spent more than 14 years at Beacon Building Products, now QXO, Inc., most recently as President of the West Division
Steve Schwar, President of CCM since February 2022, becomes Vice Chair of CCM
Taylor and Schwar report to Chris Koch, Chair, President and Chief Executive Officer
T. Rowe Price said on November 3, 2025, that Chief Operating Officer Kimberly Johnson will resign and leave the company on December 31, 2025. The firm also created a new Technology, Data, and Operations function led by Ramon Richards, its chief technology officer since 2023, who will join the Management Committee and report to Chair, CEO and President Rob Sharps.
Kimberly Johnson, COO since 2022, will leave the firm on December 31, 2025, according to the 8-K; the press release says she will leave in December.
New Technology, Data, and Operations function will oversee enterprise operations, digital platforms, and data strategy.
Ramon Richards, who joined as CTO in 2023, will lead the new function and report to Rob Sharps.
The company stated that the new structure is intended to align capabilities with changing industry dynamics; the filing gives no financial figures for the change.
Veralto Corporation said Kimberly Y. Chainey will become Senior Vice President and Chief Legal Officer effective December 1, 2025, reporting to CEO Jennifer L. Honeycutt. The filing discloses her offer terms, including a $600,000 base salary and sign-on awards, which shareholders can review for the cost of this senior executive hire.
Effective date is December 1, 2025; Chainey previously served as Executive Vice President, Chief Legal Officer and Corporate Secretary at AptarGroup from July 2020 until November 2025.
Offer letter includes a $600,000 annual base salary, a target bonus of 75% of base salary, and a one-time $400,000 sign-on cash award.
Sign-on equity target of $3.5 million and annual equity target of $1.0 million, both to be granted in March 2026.
Part of the sign-on awards is intended as a make-whole payment for compensation she may forfeit by leaving AptarGroup.
Entergy's Board elected retired U.S. Navy Admiral James F. Caldwell Jr. as a director, effective November 1, 2025, and determined he is independent under NYSE rules. The Board size was increased to 12 members to accommodate the addition. Caldwell will serve on the Nuclear and Operations Oversight and Talent and Compensation Committees, which matters to shareholders as a governance change affecting board oversight of nuclear operations and executive pay.
Admiral James F. Caldwell Jr., 66, elected to the Board effective November 1, 2025, serving until the 2026 Annual Meeting
Board size increased to 12 members
Caldwell will serve on the Nuclear and Operations Oversight and Talent and Compensation Committees
He previously served as Director of the Naval Nuclear Propulsion Program from August 2015 until retiring from the U.S. Navy in January 2024
Loews Corporation's board voted on October 29, 2025 to expand the board from 11 to 12 directors and elect Dino E. Robusto, effective January 1, 2026. Robusto led CNA Financial, Loews's insurance subsidiary, as CEO and Chairman from 2016 to 2024 and is currently its Executive Chairman, a role that ends December 31, 2025. The filing reports no financial results, and the change affects board composition rather than company operations.
Board increased from 11 to 12 directors; Dino E. Robusto elected effective January 1, 2026
Robusto was CEO and Chairman of CNA Financial from 2016 until 2024
Robusto's CNA Executive Chairman term expires December 31, 2025, when he leaves the CNA Board
2025 CNA Executive Chairman pay: $6 million annual salary plus a bonus of up to $2 million
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.