Standard Lithium raises $300K in quarterly share sales

The ATM Program permits discretionary sales of up to US$50,000,000 in common shares, or the Canadian dollar equivalent.

Rhea-AI Filing Summary

Standard Lithium Ltd. (SLI) issued 107,631 common shares under its at-the-market equity program during the quarterly period ended September 30, 2026, at an average price of US$2.78, generating gross proceeds of US$299,569. The shares were issued on NYSE American LLC, and the company paid US$7,495 in commissions and fees to the program’s agents, Canaccord Genuity and Evercore ISI.

Launched August 8, 2025, the program allows the company to issue and sell common shares from treasury to the public at its discretion from time to time.

Key Figures

Common shares issued: 107,631 shares Average price: US$2.78 Gross proceeds: US$299,569 +2 more

5 metrics

Common shares issued 107,631 shares Under the ATM Program during the quarter ended September 30, 2026

Average price US$2.78 For common shares issued under the ATM Program during the quarter ended September 30, 2026

Gross proceeds US$299,569 ATM distributions during the quarter ended September 30, 2026

Commissions and fees US$7,495 Paid to the Agents in relation to the quarterly distributions

ATM Program capacity Up to US$50,000,000 (or the Canadian dollar equivalent) Common shares the program allows the company to issue and sell

Key Terms

at-the-market equity program, lithium-brine properties, direct lithium extraction and purification process

3 terms

at-the-market equity program financial

"previously announced "at-the-market" equity program"

An at-the-market equity program lets a company sell newly issued shares directly into the open market at the current trading price through a broker, rather than in a single, prearranged block. It provides flexible, on-demand access to cash—like drawing small amounts from a credit line—but increases the number of shares outstanding, which can reduce existing shareholders’ ownership percentage and put downward pressure on the stock price, so investors monitor program size and pacing.

lithium-brine properties technical

"portfolio of large, high-grade lithium-brine properties"

direct lithium extraction and purification process technical

"via the application of a scalable and fully integrated direct lithium extraction and purification process"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many shares did SLI issue through the ATM program for the quarter ended September 30, 2026?

Standard Lithium issued 107,631 common shares under the ATM Program during the quarter ended September 30, 2026, at an average price of US$2.78, generating US$299,569 in gross proceeds.

What is the maximum size of Standard Lithium (SLI)'s ATM Program?

The program permits Standard Lithium, at its discretion, to issue and sell from treasury up to US$50,000,000 (or the Canadian dollar equivalent) of common shares to the public from time to time.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/09/2026 - 04:50 PM Accepted by SEC EDGAR 10/09/2026 - 04:49 PM Learn about SEC filing dates

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A‑16 OR 15D‑16 OF THE SECURITIES EXCHANGE ACT OF 1934

For the month of October 2026

Commission File Number 001‑40569

Standard Lithium Ltd.

(Translation of registrant’s name into English)

Suite 1625, 1075 W Georgia Street

Vancouver, British Columbia, Canada V6E 3C9

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20‑F or Form 40‑F.

Form 20‑F  ☐ Form 40‑F  ☒

On October 9, 2026, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Exhibit
99.1		Press Release dated October 9, 2026

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

				Standard Lithium Ltd.
				(Registrant)
Date:	October 9, 2026			By:	/s/ Salah Gamoudi
					Name:	Salah Gamoudi
					Title:	Chief Financial Officer

Exhibit 99.1

STANDARD LITHIUM PROVIDES QUARTERLY ATM SALES UPDATE

VANCOUVER, BC, October 9, 2026 – Standard Lithium Ltd. ("Standard Lithium" or the "Company") (TSXV: SLI) (NYSE American: SLI), a leading near-commercial lithium company, today provided a quarterly update with respect to the Company's previously announced "at-the-market" equity program (the "ATM Program") launched on August 8, 2025. The ATM Program allows the Company to issue and sell, from time to time, up to US$50,000,000 (or the Canadian dollar equivalent) of its common shares ("Common Shares") from treasury to the public, at the Company's discretion, pursuant to a sales agreement (the "Sales Agreement") between the Company, Canaccord Genuity and Evercore ISI (collectively, the "Agents").

During the quarterly period ended September 30, 2026, the Company issued a total of 107,631 Common Shares on the NYSE American LLC (the "NYSE American") at an average price of US$2.78 under the ATM Program, providing gross proceeds of US$299,569. Commission and fees of US$7,495 were paid to the Agents, in relation to these distributions.

About Standard Lithium Ltd.

Standard Lithium is a leading near-commercial lithium development company focused on the sustainable development of a portfolio of large, high-grade lithium-brine properties in the United States. The Company prioritizes projects characterized by high-grade resources, robust infrastructure, skilled labor, and streamlined permitting. Standard Lithium aims to achieve sustainable, commercial-scale lithium production via the application of a scalable and fully integrated direct lithium extraction and purification process. The Company’s flagship projects are in the Smackover Formation, an attractive lithium brine asset, focused in Arkansas and Texas. In partnership with global energy leader Equinor, Standard Lithium is advancing the South West Arkansas project, a greenfield project located in southern Arkansas, and actively advancing a promising lithium brine resource position in East Texas, including the highest known lithium brine grade project in North America, the Franklin Project.

Standard Lithium trades on both the TSX Venture Exchange ("TSXV") and the NYSE American under the symbol "SLI". Visit the Company's website at www.standardlithium.com for more information.

Neither the TSXV nor its Regulation Services Provider (as that term is defined in policies of the TSXV) accepts responsibility for the adequacy or accuracy of this release.

Investor Inquiries

Daniel Rosen

+1 604 409 8154

investors@standardlithium.com

Media Inquiries

media@standardlithium.com

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 EX-99.1 10.3 KB