1,298 material Form 8-K filings that 1,057 companies we cover made with the SEC in April 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).
CoreWeave closed a private offering of $1 billion in additional 9.750% senior notes due 2031, issued at 102.000% of principal under the indenture it set up on April 14, 2026. Total notes outstanding under the indenture are now $2.75 billion, and the company says it will use the proceeds for general corporate purposes, including repaying indebtedness. The added debt carries a high fixed interest rate, which means higher ongoing interest payments for the company.
Closed April 21, 2026: $1 billion of 9.750% senior notes due October 1, 2031, issued at 102.000% of principal
Total notes outstanding under the indenture: $2.75 billion, including $1.75 billion issued April 14, 2026
Interest is payable semi-annually on April 1 and October 1, starting October 1, 2026
Proceeds are for general corporate purposes, including repayment of outstanding debt and offering fees and expenses
Maywood Acquisition Corp. 2, a Cayman Islands blank check company, closed its initial public offering on April 15, 2026, selling 11,500,000 units at $10.00 each for gross proceeds of $115,000,000, including 1,500,000 units under the underwriters' over-allotment option. The audited April 15 balance sheet reflects $100,000,000 in the trust account and refers to 10,000,000 units, so the filing does not reconcile the final unit count. The company has not selected a target business, so shareholder funds remain in trust until a business combination is completed or the company liquidates.
IPO closed April 15, 2026: 11,500,000 units at $10.00 per unit, gross proceeds of $115,000,000, including 1,500,000 units under the over-allotment option
Private placement of 140,000 units at $10.00 per unit to sponsor West Pike, LLC, for proceeds of $1,400,000
Balance sheet as of April 15, 2026 shows $100,000,000 held in the trust account
Company has until 12 months after the IPO closing (15 months if a business combination agreement is announced) to complete a deal
APEX Tech Acquisition Inc. said the underwriters fully exercised their over-allotment option, buying 302,869 additional units at $10.00 per unit, with the closing on April 15, 2026 generating $3,028,690 in gross proceeds. The company also sold 3,029 private placement units to APEX INNOVATION ACQUISITION CORP. for $30,285 at the same closing. The filing attaches an unaudited pro forma balance sheet showing trust account assets of $115,490,807 and 11,500,000 redeemable shares after the closing.
Over-allotment: 302,869 units at $10.00 each, $3,028,690 gross proceeds; underwriters notified the company April 10, 2026 and closing occurred April 15, 2026
Private placement: 3,029 units sold to APEX INNOVATION ACQUISITION CORP. at $10.00 each, $30,285 gross proceeds
Pro forma cash and investments held in the Trust Account of $115,490,807 as of April 15, 2026, with 11,500,000 ordinary shares subject to redemption, as adjusted
Lightwave Logic, Inc. filed an 8-K reporting an amendment to its sales agreement with Roth Capital Partners, LLC, dated April 20, 2026, which is filed as Exhibit 10.1. The filing text does not state the amendment's terms, such as share amounts or pricing, so shareholders cannot assess its size or effect from this document alone.
Amendment to the sales agreement with Roth Capital Partners, LLC is dated April 20, 2026 (Exhibit 10.1)
Exhibit 5.1 is a legal opinion from Snell & Wilmer L.L.P., with its consent in Exhibit 23.1
The filing text does not disclose the amendment's financial terms
Report signed April 21, 2026 by Snizhana Quan, Principal Financial Officer and Principal Accounting Officer
Pulmatrix, Inc. closed a private placement of Series B Convertible Preferred Stock on April 16, 2026, with an affiliate of Eos SENOLYTIX, Inc. The company said the investment is part of its planned merger with Eos and was made as part of the signing of the definitive merger agreement. The gross proceeds of approximately $1 million are intended for working capital and general corporate purposes.
Closed on April 16, 2026; aggregate gross proceeds of approximately $1 million before offering expenses
Preferred stock convertible into common stock at $2.20 per share, exercisable from 90 days after issuance
Investment made with an affiliate of Eos SENOLYTIX, Inc. as part of the planned merger
Securities were issued under Section 4(a)(2) and Regulation D and are not registered
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.