1,853 material Form 8-K filings that 1,500 companies we cover made with the SEC in September 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).
On September 18, 2026, RiverNorth Opportunities Fund issued 3,000,000 Series B Mandatory Redeemable Preferred shares to purchasers in a private placement, with gross proceeds of approximately $75 million before expenses. The Fund says it will use the proceeds mainly to refinance existing debt and make new portfolio investments. The shares carry a fixed 6.476% annual dividend, must be redeemed on September 18, 2031, and rank ahead of common stock, so they add senior claims that common shareholders sit behind.
3,000,000 Series B MRP shares issued September 18, 2026, with a $25.00 liquidation preference per share
Monthly dividend at an annual rate of 6.476%, or $1.619 per share per year, first payable September 30, 2026
Mandatory redemption of all shares on September 18, 2031; shares rank senior to common stock and are subordinate to the BNP Paribas Prime Brokerage credit agreement dated March 9, 2023
Asset coverage tests can force redemptions if coverage is at or below 235% for five of ten business days, or below 225% at a Friday check date
On September 17, 2026, Flux Power Holdings and its subsidiary Flux Power, Inc. entered Amendment No. 7 to their Loan and Security Agreement with Gibraltar Business Capital, LLC (GBC). The filing states the company remains in default, and GBC has reserved the right to end access to its revolving credit facility and declare all obligations immediately due. The amendment adds a requirement to complete an equity sale with net proceeds of at least $4.0 million within 50 days, which shareholders should weigh against the default and lender remedies.
The company remains in default under the Loan and Security Agreement dated July 28, 2023; GBC has allowed continued revolver access but reserved its rights to terminate commitments and accelerate obligations.
An equity sale with net proceeds of at least $4.0 million must be completed within 50 days of September 17, 2026.
The company agreed to pay GBC a non-refundable amendment fee of $135,000, in three $45,000 installments due September 17, October 17 and November 16, 2026.
The EBITDA minimum financial covenant will be amended within 90 days, and material deviations from budgets constitute an immediate event of default.
HF Foods Group terminated its at-the-market (ATM) equity offering program, under which it could sell common stock for up to $100 million in aggregate gross proceeds. The Sales Agreement with D.A. Davidson & Co. and Roth Capital Partners, dated September 25, 2025, was terminated on September 17, 2026, with the termination effective September 24, 2026. For shareholders, the company no longer has this route to issue new shares under the program, and the filing does not state a reason for the termination.
Program allowed sales of common stock for aggregate gross proceeds of up to $100 million.
Sales Agreement with D.A. Davidson & Co. and Roth Capital Partners was dated September 25, 2025.
Agreement terminated September 17, 2026; termination effective September 24, 2026.
Company announced the termination in a press release dated September 18, 2026 (Exhibit 99.1).
On September 18, 2026, Constellation Brands entered into a Term Loan Credit Agreement with Manufacturers and Traders Trust Company as administrative agent, providing up to $300 million in delayed draw term loans in up to two draws. The company said it intends to use any proceeds for general corporate purposes, including repaying indebtedness, and the commitments expire no later than June 18, 2027, so the loan adds potential debt if drawn but no borrowing has been reported yet.
Facility size: up to $300 million in aggregate principal across up to two draws, with commitments terminating no later than June 18, 2027
Pricing: Term SOFR loans at a margin of 0.700% to 1.100% per year based on S&P or Moody's credit rating; ticking fee of 0.075% per year starting 30 days after September 18, 2026
Covenants: minimum consolidated interest coverage ratio of 2.50:1.00 and maximum net leverage ratio of 4.00:1.00, stepping up to 4.50:1.00 for four quarters after a Material Acquisition
BioStem Technologies entered a common stock purchase agreement with Roth Principal Investments that lets the company sell up to $40 million of its common stock at its own discretion over up to 36 months after a resale registration statement becomes effective. The company is under no obligation to sell any shares, and the filing notes potential dilution to existing shareholders from any sales.
Company may sell up to $40 million of common stock to Roth Principal Investments, at its sole discretion, with no obligation to sell.
A registration statement would cover the resale of up to 12,050,000 shares by Roth Principal Investments.
Without shareholder approval, the company may not issue more than 3,585,375 shares (19.99%) unless the average price meets $4.3056.
Certain purchases are priced at a fixed 3.0% discount to VWAP, and the company paid a $400,000 cash commitment fee.
AudioEye signed a Fourth Loan Modification Agreement with Western Alliance Bank on September 18, 2026, amending its existing loan agreement. The amendment lets the company add back certain litigation expenses when calculating adjusted EBITDA and EBIDA, and it restates the cap on permitted stock buybacks for fiscal 2025 through 2027 as a single aggregate limit.
Litigation expense add-back of up to $5.0 million on a trailing twelve-month basis through December 31, 2026, then up to $3.0 million for 2027
Permitted Stock Buyback Amount for fiscal 2025, 2026 and 2027 capped at $7.0 million in aggregate, with a $2.0 million annual limit from fiscal 2028 onward
The original Loan and Security Agreement is dated March 31, 2025, and has been amended three times before this amendment
On September 17, 2026, CapsoVision agreed to sell 3,163,444 common shares at $5.69 each in a registered direct offering with no underwriter, for gross proceeds of about $18 million before expenses. The price is about 5% below the September 16 Nasdaq closing price, and all buyers are existing stockholders, including two related persons whose purchases the audit committee approved. The offering is expected to close on or about September 18, 2026, and the company will use the proceeds for general corporate purposes, which increases the number of shares outstanding.
3,163,444 shares offered at $5.69 each, a discount of about 5% to the September 16, 2026 Nasdaq closing price
Gross proceeds of about $18 million before offering expenses
Eliyahou Harari, a related person, is buying 1,757,469 shares for about $10.0 million; Star One Global Capital Limited is buying 878,734 shares for about $5.0 million
Expected closing on or about September 18, 2026; proceeds go to sales and marketing, research and development, general and administrative matters, and working capital
Hecla Mining entered a $500 million senior secured revolving credit agreement on September 16, 2026, with Bank of America as administrative agent, and terminated its existing credit agreement from July 21, 2022 the same day. The new facility matures September 16, 2030, and the filing says it restricts the company's ability to pay dividends and repurchase stock.
$500 million senior secured revolving facility, with an option to add up to $100 million in commitments
Revolving loans mature September 16, 2030, with a possible one-year extension on request to lenders
Secured by pledges of equity interests in subsidiaries tied to Greens Creek operations; no mortgage on the mine
Existing agreement from July 21, 2022 was terminated September 16, 2026; the company may issue up to $500 million of senior unsecured notes under the new terms
On September 15, 2026, Strawberry Fields REIT completed an offering of bond-and-warrant units solely within Israel under Regulation S, yielding gross proceeds of approximately $17 million. The bonds carry a fixed 7.5% annual interest rate and the warrants are exercisable into common stock at NIS 46 per share until December 30, 2027, so the offering adds debt and potential future share issuance for shareholders.
Gross proceeds of approximately $17 million from the September 15, 2026 offering of units in Israel
Each unit includes NIS 1,000 par value Series D bonds with a 7.5% fixed annual interest rate, with principal repayable in installments from 2027 to 2031
Up to 1,600,000 Series 2 warrants, each exercisable into one common share at NIS 46 until December 30, 2027
Shares underlying the warrants (1,034,940 shares) are to be registered on Form S-3 (File No. 333-295065) with a prospectus supplement filed on September 17, 2026
WhiteHawk Minerals Corp. agreed on September 18, 2026 to sell 2,873,563 Class A common shares at $26.10 each in a private placement, with expected gross proceeds of about $75.0 million before placement agent fees and expenses. The company plans to use the net proceeds to fund its recently announced acquisitions and for general corporate purposes, and the sale is expected to close on September 21, 2026. The filing adds new shares to the share count and commits the company to register the resale of those shares.
Private placement of 2,873,563 Class A common shares at $26.10 per share
Expected gross proceeds of approximately $75.0 million, before placement agent fees and other expenses
Closing expected September 21, 2026; Raymond James and Stifel are placement agents
Company must file a resale registration statement within 45 days after closing, or pay liquidated damages capped at 5.0% of purchase price
On September 17, 2026, AMC Robotics entered into a Standby Equity Purchase Agreement with Ayame Asset Holdings LLC, under which the company may choose to sell up to $50 million of common stock to the investor. The company also received the first $2.22 million of up to $3.88 million in convertible promissory notes, and the filing says share sales under the agreement could cause the market price to decline, with the notes convertible at discounted prices.
The company may sell up to $50 million of newly issued common stock to Ayame Asset Holdings LLC, at its discretion, over a term of up to 24 months, subject to conditions including an effective resale registration statement.
Pre-paid advances total up to $3.88 million in 0% convertible notes maturing September 17, 2027; the first $2.22 million was funded September 17, 2026, and the second $1.66 million is pending.
Conversion is at the lower of a fixed price of $4.017 per share or 92% of the lowest five-day VWAP; assuming a $0.25 floor price, up to 200,450,000 shares could be issued.
The company issued 450,000 commitment shares on September 17, 2026, and paid a $40,000 structuring fee.
Ready Capital's subsidiary priced a $225.0 million private placement of 10.00% senior secured notes due 2031, with closing expected September 28, 2026. Proceeds, with available cash, will redeem in full the company's $350.0 million 4.50% senior secured notes due 2026, which the company says reduces corporate secured debt by $125 million. The new notes carry a higher interest rate than the notes they replace.
New notes: $225.0 million of 10.00% senior secured notes due 2031, priced at 99.5% of principal
Existing notes: $350.0 million of 4.50% notes due 2026 to be redeemed at 100% of principal plus accrued interest on September 28, 2026
Company says its sole remaining 2026 corporate maturity after redemption will be $100.0 million due in November 2026
If the offering does not close by October 19, 2026, escrowed proceeds will be returned to the purchasers
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.