1,796 material Form 8-K filings that 1,448 companies we cover made with the SEC in May 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).
West Enclave Merger Corp., a Cayman Islands blank-check company with no operations, closed its initial public offering of 10,000,000 units at $10.00 per unit on May 1, 2026, generating $100 million in gross proceeds. The underwriters later bought 1,500,000 additional units in full for $15 million, and $101 million was placed in a trust account, which holders can redeem for if the company does not complete a business combination within 21 months.
IPO of 10,000,000 units at $10.00 per unit closed on May 1, 2026, with $100 million in gross proceeds.
On May 4, 2026, underwriters exercised the over-allotment option in full, buying 1,500,000 additional units for $15 million.
$101 million ($10.10 per unit) was placed in the trust account; a private placement of 425,000 units raised $4.25 million.
From May 13, 2026, holders may separate ordinary shares and rights, which will trade on the NYSE as WENC and WENC RT.
Solaris Energy Infrastructure's subsidiary issued $1.3 billion of 6.375% senior notes due 2031 in a private placement on May 12, 2026, for net proceeds of about $1,276.1 million. The company also entered a credit agreement that provides a $650.0 million revolving credit facility, and it used part of the note proceeds to repay outstanding borrowings.
$1.3 billion of 6.375% senior notes due May 15, 2031, issued May 12, 2026
Net proceeds of approximately $1,276.1 million after initial purchasers' discount and estimated expenses
Proceeds used in part to repay certain outstanding borrowings; remainder for general corporate purposes, including growth capital expenditures
New $650.0 million revolving credit facility with MUFG Bank, Ltd. as administrative agent
Cinemark Holdings and its subsidiary Cinemark USA entered into a Fifth Amendment to their Credit Agreement with Barclays Bank PLC as administrative agent, dated May 12, 2026. The amendment reduces the interest rate on the term loans by 0.25% and resets the 101% soft call for six months, which lowers borrowing costs for the company.
Term loan interest rate reduced by 0.25%
101% soft call period reset for six months
Amendment dated May 12, 2026; Barclays Bank PLC is administrative agent
Pono Capital Four, Inc., a special purpose acquisition company, issued an unsecured promissory note of up to $100,000 to its sponsor, Mehana Capital LLC, to fund costs related to its business combination. The note bears no interest and is payable in full only upon completion of an initial business combination, and it would be repaid from funds outside the trust account if no combination is completed.
Note principal of up to $100,000, dated as of May 6, 2026, issued to sponsor Mehana Capital LLC
Company can draw down the full $100,000; sponsor funds each request within five business days
Note bears no interest and is due upon consummation of an initial business combination
If no business combination is completed, repayment comes only from funds outside the trust account
Amphenol issued €600 million of 3.375% senior notes due 2029 and €500 million of 3.875% senior notes due 2034, with net proceeds of approximately €1,093.1 million after underwriting discounts and estimated expenses. The company plans to use the proceeds to repay commercial paper and a 364-day delayed draw term loan, and for general corporate purposes, which shifts debt into longer-dated fixed-rate notes.
2029 Notes: €600 million at 3.375%, maturing May 12, 2029
2034 Notes: €500 million at 3.875%, maturing May 12, 2034
Estimated net proceeds of approximately €1,093.1 million, to repay U.S. commercial paper and a 364-day term loan
Notes are unsecured senior obligations, with interest paid annually starting May 12, 2027
Visa settled its exchange offer for its Class B-1 and Class B-2 common stock on May 12, 2026, and entered into Makewhole Agreements with participating holders that require them to reimburse Visa in cash for certain future U.S. covered litigation escrow deposits. The filing also estimates the interchange reimbursement fees at issue in unresolved U.S. covered litigation claims at $17.4 billion as of May 11, 2026, a figure the company says will continue to increase.
Exchange offer for Class B-1 and Class B-2 common stock settled May 12, 2026; Makewhole Agreements effective May 11, 2026
Participating holders must reimburse Visa in cash for future litigation escrow deposits once their Class B-3 stock value is depleted
Holders may transfer only up to one-third of Class C stock received before June 25, 2026, and up to two-thirds before August 9, 2026
Estimated interchange fees at issue in unresolved U.S. covered litigation claims: $17.4 billion as of May 11, 2026
Flowserve issued $500 million of 5.700% senior notes maturing May 15, 2036, on May 12, 2026. The notes must be redeemed at 101% of principal if the Trillium Flow Technologies Valves Division acquisition is not completed by February 4, 2027, or if the related purchase agreement is terminated first, which ties the debt directly to that pending deal.
$500 million principal of 5.700% Senior Notes due May 15, 2036, issued May 12, 2026
Interest payable semi-annually from November 15, 2026
Special Mandatory Redemption at 101% of principal if the Trillium Flow Acquisition is not consummated by February 4, 2027, or the purchase agreement is terminated
Notes are unsecured, not guaranteed by subsidiaries, and effectively subordinated to subsidiary and secured debt
Alaska Airlines issued and sold $500 million of 6.500% senior notes maturing June 1, 2031, fully guaranteed by Alaska Air Group. The company also added a $500 million senior secured term loan backed by Atmos Rewards loyalty program collateral, which increases the company's borrowing and the claims on that collateral.
$500 million of 6.500% senior notes issued May 12, 2026, maturing June 1, 2031, with semiannual interest starting December 1, 2026
Notes are callable before December 1, 2030 at the greater of par or a make-whole price at Treasury plus 50 basis points
$500 million incremental senior secured term loan at Term SOFR plus 2.00%, secured by Atmos Rewards loyalty collateral
Holders of the notes may require repurchase at 101% of principal upon specified changes of control
DHI Mortgage Company, a wholly-owned D.R. Horton subsidiary, signed a Fifth Amendment to its repurchase facility with U.S. Bank and other buyers, effective May 6, 2026. The amendment raises the maximum commitment to $1.925 billion and extends maturity to May 4, 2029, while modifying pricing, fees and financial covenants. The filing says the facility is not guaranteed by D.R. Horton, Inc. or its guarantor subsidiaries, and it provides financing for the mortgage unit's loan operations.
Maximum aggregate commitment increased to $1.925 billion
Maturity extended to May 4, 2029, subject to additional extension options
Pricing terms, fees and certain financial covenants modified
Amounts outstanding are not guaranteed by D.R. Horton, Inc. or its homebuilding, rental or Forestar guarantor subsidiaries
ACM Research agreed on May 12, 2026 to sell 2,884,615 Class A common shares at $52.00 each in a registered direct offering to institutional investors managed by Tekne Capital Management, with closing expected around May 15, 2026. The company expects net proceeds of approximately $149.85 million, which it plans to use for U.S. and global expansion and general corporate purposes, and it agreed to a 6-month lock-up on its Class A common stock and certain other securities.
Offering of 2,884,615 Class A common shares at $52.00 per share under an effective Form S-3 shelf registration
Expected net proceeds of approximately $149.85 million after offering expenses, per the filing's figure of $149,849,980
Closing expected on or about May 15, 2026, subject to customary closing conditions
Company agreed to a 6-month lock-up, waivable by the investors' investment advisor
Qwest Corporation, a subsidiary of Lumen Technologies, extended the early participation date and withdrawal deadline for its offers to exchange certain 2056 and 2057 notes for new notes, with all other terms unchanged. The extension is administrative, and holders have until May 22, 2026 to participate or withdraw, with the offers expiring after May 26, 2026, unless further extended.
Early participation date and withdrawal deadline moved from 5 p.m. ET on May 15, 2026 to 5 p.m. ET on May 22, 2026
Exchange offers expire immediately after 5 p.m. ET on May 26, 2026, subject to possible extension
Old 6.5% Notes due 2056 and 6.75% Notes due 2057 would be exchanged for new notes guaranteed on an unsecured basis by Lumen
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.