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).
United Therapeutics approved a share repurchase program of up to $2.0 billion through March 9, 2027, and on March 9, 2026 entered two accelerated share repurchase agreements with Citibank for $1.5 billion of its common stock. The company will make a $1.5 billion upfront payment to Citi by March 11, 2026, and leaves $500 million of the authorization available for future repurchases.
Board approved up to $2.0 billion in share repurchases on March 8, 2026, with the program running before March 9, 2027.
Two ASRs with Citi: $750 million uncollared and $750 million collared, with an aggregate upfront payment of $1.5 billion on or before March 11, 2026.
Initial share deliveries on March 11, 2026 of about 992,120 shares (uncollared) and 708,657 shares (collared), with final share counts set by VWAP averages.
Uncollared ASR is scheduled to terminate in Q2 2026 and collared ASR in Q3 2026; $500 million remains available for repurchases over the next year.
CACI completed its $2.6 billion all-cash acquisition of ARKA Group, L.P. on March 9, 2026, after signing the purchase agreement on December 19, 2025. The company also amended its Term Loan B credit agreement to add an $800 million tranche of incremental term loans maturing in 2033, which helped fund the deal along with revolver borrowings and cash on hand. The filing does not disclose ARKA's revenue or earnings, so shareholders cannot yet assess the acquisition's financial effect.
Purchase price of $2.6 billion in cash, subject to a customary post-closing working capital adjustment
New $800 million Incremental Term B-2 Loans maturing March 9, 2033, at a floating rate based on Term SOFR or a base rate, plus a margin
Funding came from the term loans, revolving credit facility borrowings and cash on hand, and the loans are secured by substantially all assets of the company and its material domestic subsidiaries
ARKA adds about 1,100 employees, according to CEO John Mengucci, and expands CACI's space-based sensor and geospatial intelligence offerings
Planet Fitness said Chief Financial Officer Jay Stasz left the company effective March 9, 2026, and named former CFO Tom Fitzgerald as interim CFO the same day. The company said Stasz's departure did not involve any dispute over reported financial statements, is conducting a search for a permanent CFO, and reaffirmed its 2026 financial guidance.
Jay Stasz departed as CFO effective March 9, 2026; the filing says the exit was not related to any dispute over financial statements or results.
Tom Fitzgerald, 65, serves as interim CFO under a six-month initial employment agreement dated March 5, 2026, with up to three month-to-month extensions, at a salary of $250,000 per month.
Fitzgerald was CFO from January 2020 through November 14, 2024, and is not eligible for the Executive Severance & Change in Control Policy.
The company reaffirmed its 2026 financial guidance, first announced on February 24, 2026.
Casey's reported third-quarter results for the period ended January 31, 2026, with diluted EPS of $3.49, up from $2.33, and net income of $130.1 million, up 49.3%. The company now expects fiscal 2026 EBITDA to rise 18% to 20%, citing strong year-to-date financial performance, which is a higher outlook for shareholders.
Diluted EPS of $3.49 vs. $2.33 a year earlier; net income of $130.1 million vs. $87.1 million
Fiscal 2026 EBITDA now expected to increase 18% to 20%; inside same-store sales outlook raised to 3.5% to 4.5%
Company repurchased about $76 million of shares in the quarter and declared a $0.57 quarterly dividend payable May 15, 2026
Earnings conference call scheduled for March 10, 2026 at 7:30 a.m. CDT
Amplify Energy reported fourth-quarter 2025 net income of approximately $64.4 million, compared with a net loss of $21.0 million in the third quarter, mainly due to a gain on the sale of its East Texas and Oklahoma assets. Excluding the gain and other one-time items, the company reported an adjusted net loss of $10.4 million, versus adjusted net income of $3.2 million in the prior quarter, and it issued 2026 guidance of $45 million to $65 million in capital investment and $20 million to $45 million in adjusted EBITDA.
Q4 2025 net income of approximately $64.4 million versus a net loss of $21.0 million in Q3 2025, driven by the East Texas and Oklahoma asset sale gain
Total revenues excluding hedges were $56.6 million in Q4 2025, down from $66.4 million in Q3 2025; adjusted EBITDA was $21.5 million versus $20.3 million
2026 guidance: total capital investment of $45 million to $65 million and adjusted EBITDA of $20 million to $45 million, based on flat oil prices of $65 per barrel (WTI)
All outstanding credit facility debt was repaid; cash and cash equivalents were approximately $61 million as of December 31, 2025
CEO Eric Green told the Board on March 6, 2026 that he intends to retire as President, Chief Executive Officer and Chair once a successor is hired. The Board is engaging an executive recruiting firm and expects the transition in the second half of 2026. The company also reaffirmed its 2026 financial guidance from its February 12, 2026 earnings release, which matters to shareholders because it is a leadership change at the top of the company with no change to the outlook.
Eric M. Green informed the Board on March 6, 2026 of his intent to retire as President, CEO and Chair of the Board once his successor is hired.
The Board expects the transition to occur in the second half of 2026 and is engaging a leading executive recruiting firm.
The company reaffirmed the 2026 financial guidance provided in its February 12, 2026 earnings release.
Green has been CEO since April 2015 and Chair since May 2022; the company says sales more than doubled and total shareholder return was approximately 350% during his tenure.
Abbott Laboratories completed a $20 billion offering of senior notes on March 9, 2026, in seven fixed-rate and floating-rate series maturing between 2029 and 2066. The company said it will use the proceeds, together with cash on hand and/or additional borrowings, mainly to fund the consideration for its pending acquisition of Exact Sciences, repay certain Exact Sciences debt, and cover fees and general corporate purposes. The notes add $20 billion of debt to Abbott's balance sheet, and if the acquisition is not completed by the outside deadline, Abbott must redeem the notes at 101% of principal plus accrued interest.
Total offering of $20 billion across eight note series, with the largest series being $3.75 billion each for the 5.500% notes due 2056 and 4.650% notes due 2036
Notes were sold under a pricing agreement dated February 23, 2026, with Morgan Stanley, Barclays, BofA Securities and J.P. Morgan among the underwriters
Proceeds are earmarked for the Exact Sciences acquisition under a merger agreement dated November 19, 2025
If the acquisition is not consummated by five business days after the later of February 17, 2027 or any later agreed End Date, or Abbott notifies the trustee it will not pursue the deal, the notes must be redeemed at 101% of principal plus
HPE reported fiscal first-quarter 2026 revenue of $9.3 billion, up 18% from a year earlier, with non-GAAP diluted EPS of $0.65, up $0.16. GAAP diluted EPS was $0.31, down $0.13 from the prior-year period. The company raised its fiscal 2026 non-GAAP diluted EPS outlook to $2.30 to $2.50 and its GAAP outlook to $1.02 to $1.22, which matters to shareholders because it signals higher expected profit for the full year.
Q1 revenue was $9.3 billion, up 18% from the prior-year period; Networking revenue was $2.7 billion, up 151.5%
Non-GAAP diluted EPS was $0.65, up $0.16 year over year; GAAP diluted EPS was $0.31, down $0.13
Fiscal 2026 outlook raised: non-GAAP diluted EPS $2.30 to $2.50, GAAP diluted EPS $1.02 to $1.22, free cash flow at least $2.0 billion
Quarterly dividend of $0.1425 per share, payable April 23, 2026 to holders of record as of March 24, 2026
Vail Resorts reported lower second-quarter fiscal 2026 results, with net income attributable to the company down from a year earlier, and reduced its full-year fiscal 2026 guidance. The company attributed the results to the worst Rockies winter in its history, with lowest snowfall levels in more than 30 years at its Colorado and Utah resorts, and it declared a $2.22 quarterly dividend.
Q2 fiscal 2026 net income attributable to Vail Resorts was $210.0 million, compared with $244.4 million a year earlier.
Resort Reported EBITDA was $421.3 million, down 8.3% from $459.7 million, while resort net revenue fell 4.7% to $1.08 billion.
Fiscal 2026 guidance was cut to net income attributable of $144 million to $190 million and Resort Reported EBITDA of $745 million to $775 million.
Quarterly dividend of $2.22 per share is payable April 9, 2026, to shareholders of record as of March 26, 2026.
Sun Communities appointed John B. McLaren, its current President, as Chief Operating Officer on March 9, 2026, with added responsibility for the operations team. The same day, Bruce D. Thelen left his role as Executive Vice President and Chief Operating Officer to focus on other opportunities.
McLaren, age 55, has worked for the company for 24 years and has been President since November 2024.
His employment agreement has an initial three-year term and a base salary of $600,000, with a target bonus of 150% of base salary.
If the company terminates him without cause or he resigns for good reason, he would receive 1.50 times his base salary plus target bonus, subject to a release.
FTI Consulting's board elected Eun Angela Nam as Chief Financial Officer, with her start date expected on or about May 1, 2026. She will oversee all finance functions and the information technology function, succeeding interim CFO Paul Linton, who returns to his prior role as Chief Strategy and Transformation Officer.
Nam was elected by the board on March 6, 2026; her employment start date is expected on or about May 1, 2026.
Offer letter sets an initial base salary of $700,000, an annual bonus target of $950,000 and an expected long-term incentive target of $950,000.
Nam will receive a one-time restricted stock award valued at $3,000,000 on the grant date, vesting equally over four years.
Nam previously served as CFO and Chief Accounting Officer of FTAI Aviation Ltd.
Gulfport Energy's President, CEO and director John Reinhart resigned effective immediately, after notifying the board on March 6, 2026. The company said the resignation was not due to any disagreement over operations, policies or practices, and an Office of the Chairman led by Chairman Timothy Cutt will run the company while a search for a new CEO is conducted. The company's press release says its 2026 development plan, outlook and strategy remain unchanged.
Reinhart resigned as President, CEO and director effective immediately; he notified the board on March 6, 2026.
Office of the Chairman led by Timothy Cutt, with Michael Hodges (CFO), Matthew Rucker (COO) and Patrick Craine (Chief Legal and Administrative Officer).
Cutt will receive an equity award of about $1,000,000 in time-based restricted stock units vesting over three years.
Hodges, Craine and Rucker signed retention agreements effective March 8, 2026; each payment equals base salary, 50% paid when a new CEO is hired and 50% six months later.
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.