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).
Harmonic entered a Put Option Agreement with Leone Media Inc. (d/b/a MediaKind), giving Harmonic the right to require MediaKind to buy its Video Business for $145 million in cash after a French works council consultation. The company says the sale would sharpen its focus on its Broadband business and strengthen its balance sheet, and it reaffirmed its Q4 2025 guidance, though the filing does not disclose the business's financial results.
Purchase price is $145 million in cash, subject to adjustments for net working capital, cash and debt, and selling expenses
Exclusivity runs until the signing of the asset purchase agreement or March 23, 2026, whichever comes first
Closing is expected in the first half of 2026; either party may terminate if closing conditions are not met by June 8, 2026
Harmonic reaffirmed its total company financial guidance for Q4 2025
Halozyme Therapeutics elected James Lang to its Board of Directors on December 4, 2025, with a term ending at the 2027 annual meeting. He was not initially assigned to any board committee, and the filing states there are no related person transactions or arrangements tied to his election.
James Lang elected to the Board of Directors on December 4, 2025
Term ends at the Company's annual meeting of stockholders in 2027
Not initially assigned to any Board committee
Compensated under the standard non-employee director program, described in the 2025 proxy statement
Asbury Automotive Group said David Hult will step down as President and CEO and become Executive Chairman after its 2026 Annual Meeting of Stockholders, expected in May 2026. Chief Operating Officer Daniel Clara will become President and CEO on that date, and the company expects to nominate him to the Board. The filing covers leadership succession and Hult's amended employment terms, and it does not include financial results.
Transition takes effect after the 2026 Annual Meeting, expected in May 2026; Hult notified the company of his decision on December 4, 2025.
Hult's base salary is $750,000 through December 31, 2026, then $525,000 for 2027 and $300,000 from January 1, 2028.
If Hult is terminated without cause before December 31, 2027, he would receive 200% of base salary, 100% of target bonus, and 100% vesting of equity awards.
Clara's compensation arrangement as CEO has not been determined; the company will file an amendment when it is set.
Safeguard Acquisition Corp., a blank check company, closed its initial public offering of 23,000,000 units on December 5, 2025, for gross proceeds of $230,000,000, including the full exercise of the underwriters' over-allotment option. The $230,000,000 was placed in a U.S.-based trust account, and the filing says those funds will not be released until a business combination is completed or, if none is completed within 24 months, the public shares are redeemed.
Closed 23,000,000 units at $10.00 per unit on December 5, 2025, including 3,000,000 units from the full over-allotment exercise.
Private placement of 700,000 units for $7,000,000: the sponsor bought 470,000 units and Jefferies LLC bought 230,000 units.
$230,000,000 placed in trust; funds are not released until a business combination or redemption within 24 months of the IPO closing.
Dan Crowley, Bruce Carlson, Richard Newton and Lee Stern were appointed independent directors on December 3, 2025.
EOG Resources entered a new $3.0 billion senior unsecured revolving credit agreement on December 3, 2025, maturing December 3, 2030, and terminated its $1.9 billion 2023 facility at the same time without penalty. No borrowings were outstanding under either facility at closing, and EOG has not borrowed under the new facility. For shareholders, the filing is a routine refinancing that increases the committed credit line and extends its maturity, with no drawn debt disclosed.
New $3.0 billion facility matures December 3, 2030, with up to two one-year extensions subject to bank consent
Commitments can be increased to up to $4.0 billion, subject to certain terms
2023 $1.9 billion facility, which was scheduled to mature June 7, 2028, was terminated without penalty
No borrowings have been made under the new facility as of the filing date
Graphic Packaging CEO Michael P. Doss will leave his roles on December 31, 2025, after serving as CEO since 2016. Robbert Rietbroek, former CEO of Primo Brands Corporation, becomes President and CEO and a board member on January 1, 2026, and the filing sets out his pay and severance terms.
Doss's employment and board service end at the end of the day on December 31, 2025; the filing says he is expected to receive separation benefits under his 2015 employment agreement.
Rietbroek, 52, was CEO of Primo Brands Corporation from November 2024 to November 2025.
Rietbroek's employment agreement provides a base salary of $1,350,000, a target long-term incentive of not less than 560% of base salary, and a one-time $4,000,000 restricted stock unit grant.
In a separate announcement the company updated its full-year 2025 guidance; the figures are not included in this filing.
OGE Energy disclosed that Donnie O. Jones, Vice President - Utility Operations at Oklahoma Gas and Electric Company (OG&E), notified the company on December 3, 2025 that he plans to retire at year-end 2026. The filing gives no successor name, financial figures, or other details, so the change's effect on operations is not stated.
Donnie O. Jones, Vice President - Utility Operations of OG&E, plans to retire at year-end 2026
Notice to OGE Energy was given on December 3, 2025
OG&E serves approximately 910,000 customers in Oklahoma and western Arkansas
Chubb Limited furnished a slide presentation on its website, prepared for investor meetings on or after December 8, 2025. The filing says the deck covers company financial performance, business mix, strategic initiatives and growth opportunities, but it includes no specific financial figures or guidance.
Slides were prepared for investor meetings on or after December 8, 2025
Presentation covers financial performance, business mix, strategic initiatives and growth opportunities
Slides will remain available on the company website for at least 60 days
On December 8, 2025, Coca-Cola Consolidated entered into a term loan agreement with Wells Fargo as administrative agent and borrowed the full $1.35 billion available under it. The company will mainly use the proceeds to refinance a $1.20 billion bridge loan from November 7, 2025, with the rest for general corporate purposes, including possible stock repurchases, dividends and capital expenditures, so the filing adds new debt for shareholders to weigh.
Borrowed $1.35 billion on December 8, 2025, the full amount available under the Term Loan Facilities.
Three-year facility of up to $900 million matures December 8, 2028; five-year facility of up to $450 million matures December 6, 2030.
Proceeds intended to refinance the $1.20 billion bridge loan dated November 7, 2025, and for general corporate purposes.
Interest is Term SOFR plus 0.750% to 1.250% (three-year) or 0.875% to 1.500% (five-year), based on the company's debt rating.
DTE Energy said President and Chief Operating Officer Mark W. Stiers of DTE Vantage and Energy Trading will retire effective January 12, 2026, and stay on in an advisory role until no later than March 31, 2026. The board also adopted amended bylaws effective December 3, 2025, setting rules for shareholder proposals and board nominations and clarifying that the annual meeting may be held by remote communication.
Mark W. Stiers notified the company on December 2, 2025 of his retirement, effective January 12, 2026
Stiers will remain in an advisory role with the company no later than March 31, 2026
Bylaws amendments adopted December 3, 2025 set requirements for shareholders bringing business and board nominations to the annual meeting
The amended bylaws also clarify that the annual shareholder meeting may be held remotely; the filing describes other minor edits
Wintrust Financial entered into two amendments to its credit agreement on December 4, 2025, extending the revolving credit maturity date and lowering the commitment fee on unused revolver capacity. The filing discloses no borrowing amounts or new facility size, so the changes are primarily administrative terms for the existing credit line.
Fourth Amendment extends the Revolving Credit Maturity Date from December 5, 2025, to December 3, 2026
Fifth Amendment cuts the commitment fee on unused Revolving Credit Commitment from 0.30% to 0.25% per annum
Fourth Amendment adds outbound investment rule provisions and confidentiality language
Agreements are with U.S. Bank National Association as administrative agent
Mirion Technologies entered into Amendment No. 6 to its Credit Agreement on December 8, 2025, under which a new $450 million tranche of term loans maturing in 2032 was used, with other cash sources, to refinance all term loans outstanding immediately before the amendment. The filing does not state a change in total debt, and the new loans carry a 2.00% margin over Term SOFR, which the company may reduce by 25 basis points if it reaches specified credit ratings.
New $450 million term loan tranche matures June 5, 2032
Proceeds, with other cash, refinanced all term loans outstanding before the amendment
Margin of 2.00% for Term SOFR loans and 1.00% for ABR loans, with a 25 basis point reduction tied to Ba3 (Moody's) and BB- (S&P) ratings
A 1% prepayment premium applies if loans are repriced within six months of December 8, 2025
Boeing said on December 8, 2025 that it has completed its acquisition of Spirit AeroSystems. Spirit's Boeing-related commercial operations, including 737 fuselages and 767, 777 and 787 structures, are moving into Boeing, while Spirit's defense work will operate as Spirit Defense, a non-integrated subsidiary of Boeing Defense, Space & Security. The filing does not disclose purchase price or financial effects on Boeing's results.
Acquisition completed and announced in a press release dated December 8, 2025
Approximately 15,000 teammates across five sites in Wichita, Dallas, Tulsa, Prestwick and Belfast-related operations are becoming part of Boeing
Spirit Defense established as a non-integrated subsidiary of Boeing Defense, Space & Security
Acquisition brings Spirit's aftermarket businesses, including spare parts and MRO services, into Boeing's Global Services
Alexandria Real Estate Equities, Inc. (ARE) authorized a new common stock repurchase program of up to $500 million, running until December 31, 2026, to replace a $500 million program set to expire on December 31, 2025. The company is not obligated to buy any shares, and repurchases may be suspended or discontinued at any time. The filing also reports that Co-President and Regional Market Director Daniel J. Ryan resigned effective December 31, 2025, for personal and health reasons.
New repurchase program authorizes up to $500 million of common stock through December 31, 2026, approved December 5, 2025.
The prior program had $258.2 million of repurchases, primarily in January 2025.
Company says it prefers to fund repurchases on a leverage-neutral basis from operating cash flow after dividends and real estate disposition or joint venture proceeds.
Co-President Daniel J. Ryan's resignation takes effect December 31, 2025.
Gaming and Leisure Properties (GLPI) appointed Michael Borofsky to its Board of Directors as a new independent director, effective immediately and subject to customary regulatory approvals. The appointment expands the Board to eight members, seven of whom are independent, and the company has not yet set his committee assignments.
Board appointment made December 4, 2025, announced in a press release dated December 8, 2025
Board expands to eight directors, seven of whom are independent under Nasdaq listing standards
Committee assignments not yet determined as of the filing date
Borofsky will receive a pro-rated share of the cash portion of the non-employee director compensation program
Capital One Financial Corporation said it will present at the Goldman Sachs 2025 U.S. Financial Services Conference in New York on Tuesday, December 9, 2025, at 2:20 p.m. EST. The presentation will be webcast live on the company's website, with a replay archived through at least December 22, 2025. The filing contains no financial results or new business figures.
Presentation scheduled for Tuesday, December 9, 2025, at 2:20 p.m. EST
Live audio webcast available via the company's Investor Center at capitalone.com
Replay to be archived on the company's website through at least December 22, 2025
Shift4 Payments' subsidiaries completed a €435 million add-on sale of 5.500% senior notes due May 15, 2033, bringing total notes of that series to €1.115 billion. The filing says net proceeds of about $507.0 million are for general corporate purposes, including debt repayment, acquisitions, growth and possible share repurchases. The filing does not disclose operating results, and the added debt increases the company's debt obligations.
Issue size: €435 million aggregate principal of 5.500% Senior Notes due May 15, 2033, sold December 8, 2025
Net proceeds: approximately $507.0 million after initial purchasers' discounts and estimated offering expenses
Existing notes: €680 million of the same series issued May 16, 2025; the new notes are treated as a single class with them
Issuer may redeem before May 15, 2028 at make-whole premium; holders may require repurchase at 101% upon a Change of Control
Masco announced that Imran Ahmad, Group President of Decorative Architectural Products, will leave the company on December 31, 2025, when his position is eliminated. CEO Jon Nudi will take over oversight of the Decorative Architectural Products segment.
Imran Ahmad's departure is effective December 31, 2025, when his position is eliminated
Ahmad leads the Decorative Architectural Products segment, which passes to CEO Jon Nudi
The filing was announced December 8, 2025 and does not describe financial impact or a replacement
WillScot Holdings Corporation appointed Carisa Bianchi as Senior Vice President and Chief Accounting Officer, effective January 12, 2026. Until she starts, Mathew T. Jacobsen will be the designated principal accounting officer for the upcoming 2025 Form 10-K, which covers a period before her start date.
Carisa Bianchi, age 49, is a Certified Public Accountant and previously served as Vice President, Global Corporate Controller at Insight Enterprises, Inc.
Bianchi's offer letter includes a one-time restricted stock unit award with a target value of $150,000, to be issued in 2026, and a one-time cash sign-on award of $50,000.
The $50,000 sign-on award must be repaid if her employment ends within one year due to voluntary separation or termination for gross misconduct.
At its December 5, 2025 annual meeting, Microsoft shareholders elected all 12 director nominees and approved the 2026 Stock Plan, which replaces the 2017 Stock Plan. They also approved executive pay on an advisory basis, ratified Deloitte & Touche LLP as auditor for fiscal 2026, and rejected all eight shareholder proposals. The votes confirm board, pay, and plan approvals, and no shareholder proposal received majority support.
Annual meeting held December 5, 2025; 6,321,402,487 of 7,433,087,554 eligible shares were voted.
2026 Stock Plan approved with 97.07% of votes cast in favor.
Advisory say-on-pay approved with 91.94%; Deloitte & Touche ratified with 93.53% for fiscal 2026.
All eight shareholder proposals were not approved; the highest support was 27.48%, on a report on data operations in human rights hotspots.
On December 7, 2025, Home BancShares agreed to acquire Mountain Commerce Bancorp in an all-stock merger, with Home issuing about 5.4 million shares for a purchase price of about $150.1 million. The deal is expected to close in the first half of 2026, subject to MCBI shareholder approval and regulatory approvals, and would add Tennessee markets to Home's footprint, which would hold about $25.0 billion in assets on a pro forma basis.
Each MCBI share converts into 0.85 Home common shares; about 5.4 million Home shares, valued at about $150.1 million based on the 20-day VWAP of $27.66 ending December 5, 2025
Expected to close in the first half of 2026; either party may terminate if the merger is not completed by September 7, 2026
MCBI pays a $6.0 million termination fee in certain limited circumstances; voting agreements cover about 22.5% of MCBI shares
Combined company pro forma (as of March 31, 2026): about $25.0 billion in assets, $17.0 billion in deposits, $19.2 billion in loans, 225 branches
ATI Inc. appointed J. Robert Foster as Senior Vice President, Finance and Chief Financial Officer, effective January 1, 2026, succeeding Donald Newman, who retires March 1, 2026. The filing also discloses that Chief Human Resources Officer Tina K. Busch resigned on December 5, 2025, and that the company reiterated its fourth quarter and full year 2025 guidance.
Foster's base salary is $625,000, with a 2026 annual incentive target of 80% of salary and a 2026 long-term incentive grant value of 200% of salary.
Newman remains CFO through December 31, 2025, then serves as Strategic Advisor to the CEO beginning January 1, 2026.
Busch resigned as Chief Human Resources Officer on December 5, 2025; the company will search for a successor.
Busch's consulting agreement runs through January 2027, with non-compete and non-solicitation restrictions through January 2028.
Independence Realty Trust's General Counsel and Secretary, Michele Weisbaum, informed the company on December 5, 2025 that she will retire on or about March 31, 2026. The filing says she plans an orderly transition of her duties and that the decision is not due to any disagreement with the company on its operations, policies or practices.
Michele Weisbaum, EVP, General Counsel and Secretary, will retire effective on or about March 31, 2026
She notified the company on December 5, 2025 and intends an orderly transition of duties through her retirement date
The filing states the retirement is not the result of any disagreement with the company
The filing also furnishes a slide presentation (Exhibit 99.1) for investor use beginning December 8, 2025
Ryan Specialty said Robert Le Blanc, CEO of Onex Corporation, will retire from its Board of Directors effective February 11, 2026, and also end his service on the Compensation and Governance Committee on that date. The company said the retirement is by mutual agreement following Onex's sale of its remaining shares of Ryan Specialty and is not the result of any disagreement. The filing contains no financial results or guidance, so the change is governance-related with no stated financial effect.
Le Blanc agreed to retire from the Board on December 5, 2025, effective February 11, 2026.
His Compensation and Governance Committee service also ends February 11, 2026.
Le Blanc, Onex CEO, has served on the Board since 2018 as Onex's nominee.
Onex sold its remaining shares of Ryan Specialty before the retirement was agreed.
Antero Midstream Partners agreed on December 5, 2025 to buy HG Energy II Midstream Holdings for $1.1 billion in cash, and the company agreed to sell its Ohio Utica Shale assets for $400 million. The company plans to fund the acquisition mainly with revolver borrowings, Utica sale proceeds and/or debt markets, and it says the deals will add to free cash flow after dividends and help it reach its 3.0x leverage target after closing.
Acquisition of HG Midstream for $1.1 billion cash; expected to close in the second quarter of 2026, subject to regulatory approvals
Ohio Utica Shale divestiture for $400 million cash; expected to close in the first quarter of 2026
Royal Bank of Canada and Wells Fargo committed a $700 million unsecured 364-day bridge facility
Antero Resources separately agreed to buy HG Production for $2.8 billion; the Purchase Agreement's outside date is March 4, 2026
Antero Resources signed a purchase agreement on December 5, 2025 to acquire HG Energy II's upstream Marcellus Shale assets in West Virginia for $2.8 billion in cash, and agreed to sell its Ohio Utica Shale upstream assets for $800 million. Antero Midstream separately agreed to buy HG's midstream assets for $1.1 billion and sell its Utica midstream assets for about $400 million. The company says the deals are accretive and will keep an investment grade balance sheet, but the closing depends on customary conditions and regulatory clearance.
Upstream acquisition: $2.8 billion cash for about 385,000 net Marcellus acres; closing expected in the first half of 2026 (press release says second quarter 2026)
Utica upstream sale: $800 million cash; closing expected in the first quarter of 2026
Antero Midstream to buy HG midstream assets for $1.1 billion and sell Utica midstream assets for about $400 million
Outside Date of March 4, 2026, extendable to June 2, 2026 if HSR waiting periods are not yet cleared; $800 million 364-day bridge and $1.5 billion 3-year term loan committed
Northern Oil and Gas agreed on December 5, 2025, with Infinity Natural Resources to jointly buy Ohio Utica upstream and midstream assets from Antero for $1.2 billion in cash, of which NOG's 49% share is $588 million. The deal adds about 35,000 net acres and midstream infrastructure, and NOG expects roughly 65 MMcfe per day of 2026 production net to its interest, with closing expected by the end of the first quarter of 2026.
Purchase agreements dated December 5, 2025; NOG's share is $392 million for upstream assets and $196 million for midstream assets.
Infinity Natural Resources holds the remaining 51% and will operate substantially all of the assets.
Estimated 2026 production net to NOG of about 65 MMcfe per day; about $100 million of 2026 cash flow from operations net to NOG.
NOG placed a $58.8 million deposit in escrow at signing; closing is expected by the end of the first quarter of 2026 and funded by operating cash flow, cash on hand and reserve-based lending borrowings.
Ingevity announced that CFO Mary Dean Hall will leave her role effective May 1, 2026, and will advise the company for one year afterward. Phillip J. Platt, the current senior vice president of finance and chief accounting officer, will succeed her as CFO on the same date. The company also said Performance Chemicals president Richard White will depart on May 1, 2026, after moving to a special projects role on January 1, 2026. The filing contains no financial results, so the changes matter to shareholders mainly as a change in the finance leadership.
Mary Dean Hall's CFO role ends May 1, 2026; she will advise the company in an advisory capacity for one year.
Phillip J. Platt, age 44, who joined in 2015, is named SVP and CFO effective May 1, 2026. He is a certified public accountant.
Richard White, SVP and president of Performance Chemicals, moves to a special projects role January 1, 2026 and departs May 1, 2026.
Reid Clontz Jr. was appointed SVP, Operations, effective December 8, 2025.
WESCO International elected Michael L. Carter and David C. Wajsgras to its Board of Directors, effective January 1, 2026. Directors Bobby Griffin and Steve Raymund will retire when their terms expire at the 2026 annual meeting on May 28, 2026, and the company says neither retirement reflects a disagreement with the company.
Michael L. Carter is Executive Vice President and Chief Partner Officer of Truist Financial Corporation; the board deems him independent under NYSE standards.
David C. Wajsgras is the former CEO of Intelsat Holdings S.A. and a director of Parsons Corporation and Martin Marietta Materials, Inc.
Bobby Griffin and Steve Raymund will retire at the 2026 annual meeting on May 28, 2026, with Raymund notifying the company on December 5, 2025.
The filing does not report financial results, guidance, or compensation figures for the new directors.
JPMorgan Chase & Co. disclosed that director Todd A. Combs notified the company on December 7, 2025, of his intention to resign from the Board of Directors, effective the same day. The company said the resignation is not the result of any disagreement with the company, and the filing contains no financial results or guidance.
Todd A. Combs resigned from the Board of Directors, effective December 7, 2025
Combs notified the company of his intention to resign on December 7, 2025
The filing states the resignation is not due to any disagreement with the company
Filing was signed by Corporate Secretary Reid R. Broda and dated December 8, 2025
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.