815 material Form 8-K filings that 659 companies we cover made with the SEC in March 2026, 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).
Alliant Energy entered into a distribution agreement allowing it to sell up to $1 billion of common stock through a group of agents and forward purchasers, on March 19, 2026. The company says proceeds would be used for general corporate purposes, which may include debt repayment, working capital and construction and acquisition spending, and that no shares have been sold under the filing itself.
Program covers shares of common stock with an aggregate offering price of up to $1,000,000,000, sold on the Nasdaq Global Select Market or in block transactions.
The company may also enter into forward confirmations with forward purchasers; it would receive proceeds only upon physical settlement of those confirmations, on or before their maturity dates.
Shares are issued under Form S-3 Registration No. 333-276062 and a prospectus supplement dated March 19, 2026.
Several agents have affiliates that are lenders under the company's revolving credit facility.
Rush Enterprises said Chief Operating Officer Jason Wilder notified the company on March 18, 2026 that he will resign to pursue other opportunities, and that the resignation did not stem from any disagreement about operations, policies or practices. Director Michael J. McRoberts, a former COO now serving as Senior Advisor, will assist with COO duties and support the transition until the board appoints a new COO. The filing also furnishes an investor presentation that management plans to use with investors and analysts over the next couple of months.
Jason Wilder notified the company on March 18, 2026 of his decision to resign as Chief Operating Officer.
The filing states the resignation was not the result of any disagreement regarding the company's operations, policies or practices.
Michael J. McRoberts, a Board member and Senior Advisor, will assist with COO duties until the board appoints a new COO.
An investor presentation (Exhibit 99.1) will be used in meetings over the next couple of months and posted on the company's investor relations website.
Clear Secure said its General Counsel, Lynn Haaland, will leave the company on April 3, 2026. The company agreed to pay her an additional 12 months of salary in consideration for her services. The filing does not name a successor or describe the reasons for the departure.
General Counsel Lynn Haaland will depart on April 3, 2026
Company will provide an additional 12 months of salary to Ms. Haaland
Agreement reached March 19, 2026; filing signed by Chairman and CEO Caryn Seidman Becker
Collegium Pharmaceutical agreed to acquire the AZSTARYS ADHD medicine business from Corium Therapeutics for $650 million in cash, with up to $135 million more in milestone payments. The deal is expected to close in the second quarter of 2026 and will be funded with cash on hand and a $300 million delayed draw term loan. The company expects the deal to be immediately accretive to adjusted EBITDA and net leverage of about two times at closing, so shareholders will face a large cash outlay and new debt tied to the company's projections.
Purchase price of $650 million in cash at closing, plus up to $135 million in milestone payments tied to commercial and regulatory goals
Funded by existing cash on hand and a $300 million delayed draw term loan at SOFR plus 3.25% at closing
AZSTARYS expected to generate over $50 million in second half 2026 pro forma net revenue, per the press release
Closing expected in the second quarter of 2026; Collegium would pay a $24 million termination fee in specified circumstances
Tidewater director Darron M. Anderson told the Board on March 17, 2026 that he will not stand for reelection at the 2026 Annual Meeting of Stockholders. He will remain a director and serve on the Audit Committee and Safety & Sustainability Committee until his current term ends, and the filing says his decision did not stem from any disagreement with the company. The Board will shrink from eight seats to seven.
Darron M. Anderson notified the Board on March 17, 2026 of his intent not to stand for reelection.
He will serve until his current term expires at the 2026 Annual Meeting.
He sits on the Audit Committee and Safety & Sustainability Committee.
Board size will be reduced from eight directors to seven.
Genelux entered into a Sales Agreement with TD Securities (USA) LLC (TD Cowen) that lets the company sell up to $100 million of common stock from time to time through TD Cowen as sales agent or principal. The company is not obligated to sell any shares and may suspend sales at any time, and it plans to use any proceeds for general corporate purposes, including research and development and clinical trial expenses.
Aggregate offering price of up to $100 million of common stock, par value $0.001 per share
TD Cowen compensation of up to 3.0% of gross proceeds from any shares sold, plus certain offering expenses
Sales are made under Form S-3 registration statement (File No. 333-276847), effective February 13, 2024, with a prospectus supplement to be filed March 19, 2026
Company is not required to sell any shares and may suspend sales at any time
Marvell Technology's Board declared a quarterly dividend of $0.06 per share, payable April 30, 2026 to stockholders of record as of April 10, 2026. The filing is a routine capital return announcement and does not include financial results or changes to guidance.
Quarterly dividend of $0.06 per share declared on March 19, 2026
Payable April 30, 2026 to stockholders of record as of April 10, 2026
Future dividends depend on results, cash balances, financial condition and Board discretion
AES disclosed three amendments to its credit and letter of credit agreements with Citibank, Sumitomo Mitsui Banking Corporation and Barclays Bank PLC, dated March 13 and March 16, 2026. The amendments modify change of control provisions to permit direct or indirect ownership of AES by Global Infrastructure Management, LLC, EQT Fund Management S.à r.l., Qatar Investment Authority and affiliated vehicles, following the March 2, 2026 merger agreement with Horizon Parent, L.P. The filing does not disclose dollar amounts for the facilities.
Citi Second Amendment dated March 13, 2026, with Citibank, N.A. as administrative agent
SMBC First Amendment dated March 16, 2026, with Sumitomo Mitsui Banking Corporation as administrative agent
Barclays First Amendment dated March 16, 2026, to a letter of credit agreement dated December 8, 2025
Amendments tied to the merger agreement announced March 2, 2026 with Horizon Parent, L.P.
Assured Guaranty's Chief Credit Officer, Stephen Donnarumma, notified the company on March 13, 2026 that he will retire effective September 30, 2026. He will then serve as a senior advisor to the CEO through April 2, 2027, which gives the company a transition period for the credit role.
Stephen Donnarumma notified the company of his retirement on March 13, 2026, effective September 30, 2026.
He will serve as a senior advisor to the Chief Executive Officer from October 1, 2026 until April 2, 2027.
He has been Chief Credit Officer of Assured Guaranty Ltd. since 2018 and of Assured Guaranty Inc. since 2007, and joined the company in 1993.
On March 16, 2026, underwriters closed their full exercise of the over-allotment option, buying 3,300,000 additional units at $10.00 each for $33 million. The SPAC has now sold 25,300,000 units for $253 million in gross proceeds, and the filing says that full amount was deposited in the trust account for public stockholders.
Underwriters exercised the over-allotment option in full on March 12, 2026; closing occurred March 16, 2026
3,300,000 additional units sold at $10.00 per unit, for $33,000,000 in gross proceeds
Total of 25,300,000 units sold for $253,000,000 gross; $253,000,000 deposited in the trust account
Sponsor Praetorian Sponsor LLC bought 330,000 additional private warrants for $330,000; 24,750 representative shares issued to underwriters
Metals Acquisition Corp. II, a blank check company with no operations, completed its initial public offering of 23,000,000 units at $10.00 per unit on March 13, 2026, generating $230 million in gross proceeds. The full $230 million was placed in a U.S.-based trust account, and the company must complete a business combination within 24 months of the IPO closing, or shareholders may be asked to vote on an extension.
23,000,000 units sold at $10.00 each, including 3,000,000 units from the full exercise of the underwriters' over-allotment option
Private placement of 5,066,666 warrants at $1.50 each for $7.6 million in gross proceeds, bought mainly by the sponsor MAC Partners LLC
$230,000,000 placed in trust with Continental Stock Transfer & Trust Company as trustee; $9.2 million of the underwriters' deferred commission is included
Audited balance sheet as of March 13, 2026 shows $2,346,149 in cash and a $9.2 million deferred underwriting fee
Aclarion's board adopted a limited duration stockholder rights plan on March 19, 2026, declaring a dividend of one right per common share and per Rights-Eligible Warrant to holders of record on March 30, 2026. The rights become exercisable only if a person or group acquires 10% or more of common stock without board approval, and the plan expires on March 18, 2027. The company states it was not adopted in response to any specific acquisition proposal, but the plan could make an unsolicited takeover more costly for a bidder.
Rights are exercisable at $14.00 per right, to buy one one-thousandth of a share of Series D Junior Participating Preferred Stock.
Rights become exercisable if a person or group acquires 10% or more of common stock in a transaction not approved by the Board.
Record date is March 30, 2026; the plan expires March 18, 2027, unless redeemed, exchanged or terminated earlier.
Board may redeem the rights at $0.001 per right; rights agent is VStock Transfer, LLC.
Marvell Technology filed a prospectus supplement to its automatic shelf registration statement on Form S-3 on March 19, 2026. The 8-K was filed to attach a legal opinion from Wilson Sonsini Goodrich & Rosati on the legality of the securities covered by that supplement. The filing does not state the amount or type of securities, so it does not by itself show a financial result or a change in the company's operations.
Prospectus supplement filed March 19, 2026 under Form S-3 registration No. 333-285742
Legal opinion from Wilson Sonsini Goodrich & Rosati attached as Exhibit 5.1
Filing made solely to file the legal opinion; no amount of securities is stated in this 8-K
CVS Health's Board elected John E. Gallina, former Elevance Health CFO, as a director effective March 19, 2026, and appointed him to the Audit Committee. The Board determined he is independent, and the filing describes him as an audit committee financial expert.
Board elected John E. Gallina, age 66, effective March 19, 2026; Board action taken March 18, 2026
Gallina served as Elevance Health CFO from June 2016 through November 1, 2023, and retired in May 2024
Appointed to the Audit Committee and designated an audit committee financial expert under SEC rules
Compensation as a non-employee director will be consistent with other directors, prorated for his start date
LiveRamp Holdings disclosed that director Brian O'Kelley informed the Board on March 18, 2026, of his intention to resign, effective immediately. The company stated the resignation was not the result of a disagreement on its operations, policies or practices.
Brian O'Kelley had served as a LiveRamp director since 2023.
Resignation was communicated to the Board on March 18, 2026, and is effective immediately.
The filing states the departure was not due to a disagreement with the company on operations, policies or practices.
Reinsurance Group of America appointed Peter Babej, a former Citigroup executive, to its Board of Directors, effective April 1, 2026, increasing the Board to twelve directors. The filing discloses no financial results or transactions, so the change is a governance update rather than a financial event for shareholders.
Peter Babej, 62, appointed to the Board effective April 1, 2026, for a term ending at the 2026 annual meeting
Babej formerly served as CEO of Citi Asia, Chairman and Interim Head of Banking, and Global Head of Financial Institutions at Citigroup
Board size increases to twelve directors; he has not yet been named to any committees
The company reports no related-person transactions above $120,000 involving Babej since December 31, 2022
Tripadvisor said on March 18, 2026 that Chair Greg Maffei and board member Albert Rosenthaler will not stand for re-election at the company's 2026 Annual Meeting of Shareholders. The filing says their decisions were not the result of any disagreement with the company on its operations, policies, or practices. The departures remove two board members, including the chair, and the board will need to address that change before or at the 2026 meeting.
Greg B. Maffei, Chair of the Board, notified the company and board on March 18, 2026 that he will not stand for re-election.
Albert E. Rosenthaler, a board member, gave the same notice on March 18, 2026.
The departures apply to the company's 2026 Annual Meeting of Shareholders.
The filing states the retirements were not the result of any disagreement with the company.
TCW Strategic Income Fund announced preliminary results of its transferable rights offering, which expired March 18, 2026 and was oversubscribed. The offer is expected to issue 15,928,480 new common shares for approximately $71 million in gross proceeds, which would increase the number of shares outstanding for existing holders.
Expected issuance of 15,928,480 common shares, including notices of guaranteed delivery
Subscription price of $4.47 per share, set at 88% of net asset value per share at the March 18, 2026 close
Anticipated gross proceeds of approximately $71 million; the Fund plans to invest net proceeds and added borrowings under its investment objective
Offer commenced February 19, 2026 and expired March 18, 2026; results are preliminary and subject to change
Camden Property Trust entered into a Fifth Amended and Restated Credit Agreement dated March 17, 2026, amending its existing credit facility. The revolving credit facility's maturity was extended from August 2026 to March 2030, with two possible six-month extensions at the company's option, and a $300 million unsecured term loan with a delayed draw feature was removed. The filing says proceeds will fund general corporate purposes, including debt repayment, development and acquisitions.
Revolving credit facility maturity extended from August 2026 to March 2030
Option to extend for two additional consecutive six-month periods
$300 million unsecured term loan facility with delayed draw feature removed
Bank of America, N.A. serves as Administrative Agent; a subsidiary guarantees the company's obligations
KRAKacquisition Corp, a blank check company, said unit holders may separate their units into Class A ordinary shares and warrants starting March 20, 2026. Units not separated will keep trading as KRAQU, while the separated shares and warrants will trade as KRAQ and KRAQW on Nasdaq. The filing is administrative and does not mention a business combination target or any change in the company's financial position.
Separate trading of Class A ordinary shares and warrants begins March 20, 2026
Holders must have their brokers contact Continental Stock Transfer & Trust Company to separate units
Separated shares and warrants trade as KRAQ and KRAQW; unseparated units continue as KRAQU on Nasdaq
No fractional warrants will be issued; only whole warrants will trade
EchoStar and affiliates entered a Restructuring Support Agreement on March 19, 2026 with an ad hoc group holding more than 82% of DISH DBS notes. The company says the deal will significantly deleverage the business, and it includes dismissal of all pending litigation with prejudice between the company and noteholders.
RSA signed March 19, 2026 with an ad hoc group representing more than 82% of DDBS note holders
DBS SubscriberCo prepaid its 11.25% term loan and 13.75% preferred membership interests, totaling about $1.6 billion, on March 16, 2026
Company will prepay certain DDBS Notes without penalty; all pending litigation to be dismissed with prejudice
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.