Standard Lithium posts quarterly ATM share sales

Standard Lithium Ltd. reports quarterly activity under its previously announced at-the-market equity program.

Rhea-AI Filing Summary

Standard Lithium Ltd. reports quarterly activity under its previously announced at-the-market equity program. The program permits issuances of up to US$50,000,000 of common shares from treasury through agents Canaccord Genuity and Evercore ISI.

For the quarter ended March 31, 2026, the Company issued 2,267,842 common shares on the NYSE American at an average price of US$4.86, generating gross proceeds of US$11,026,050. A commission of US$275,651 was paid to the agents in connection with these sales.

Key Figures

ATM Program capacity: US$50,000,000 Shares issued under ATM: 2,267,842 shares Average share price: US$4.86 +2 more

5 metrics

ATM Program capacity US$50,000,000 Maximum common shares that may be sold under the program

Shares issued under ATM 2,267,842 shares Quarter ended March 31, 2026

Average share price US$4.86 Average price for ATM issuances on NYSE American

Gross proceeds from ATM US$11,026,050 Quarter ended March 31, 2026

Agent commissions US$275,651 Paid to Canaccord Genuity and Evercore ISI for ATM distributions

Key Terms

at-the-market equity program, ATM Program, Direct Lithium Extraction, lithium-brine properties, +1 more

5 terms

at-the-market equity program financial

"the Company’s previously announced “at-the-market” equity program (the “ATM 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.

ATM Program financial

"The ATM Program allows the Company to issue and sell, from time to time, up to US$50,000,000"

An at-the-market (ATM) program is an arrangement that lets a publicly traded company sell newly issued shares gradually into the open market at prevailing prices, through a designated broker-dealer, instead of raising money in one large offering. It gives the company flexible, lower-cost fundraising; for existing shareholders it matters because each sale adds to the share count, which can dilute their ownership stake.

Direct Lithium Extraction technical

"via the application of a scalable and fully integrated Direct Lithium Extraction and purification process"

A method for pulling lithium directly out of salty water or other raw sources using special materials and electrical or chemical processes, instead of relying on long evaporation ponds or mining rock. It matters to investors because it can speed up production, lower costs and environmental impact, and make lithium supply for batteries more reliable—like replacing a slow, weather-dependent harvest with a faster, machine-driven picker that boosts output and predictability.

lithium-brine properties technical

"a portfolio of large, high-grade lithium-brine properties in the United States"

Smackover Formation technical

"The Company’s flagship projects are in the Smackover Formation, a world-class lithium brine asset"

A thick, ancient layer of limestone and dolomite rock in the Gulf Coast region that can act like a sponge, holding oil and natural gas within its pores and fractures. Investors care because the presence, quality and accessibility of hydrocarbons in this formation affect a producer’s potential reserves, drilling costs and future revenue — similar to how finding a larger, easier-to-drain water well increases the value of a property.

FAQ

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

What ATM Program did Standard Lithium (SLI) update in this 6-K filing?

Standard Lithium updated investors on its at-the-market equity program allowing issuance of up to US$50,000,000 in common shares. Shares are sold from treasury through agents Canaccord Genuity and Evercore ISI at the Company’s discretion under a previously announced sales agreement.

How many shares did Standard Lithium (SLI) issue under the ATM in the March 2026 quarter?

During the quarter ended March 31, 2026, Standard Lithium issued 2,267,842 common shares on the NYSE American under its ATM Program. These shares were sold directly from treasury as part of the ongoing at-the-market equity sales arrangement.

What proceeds did Standard Lithium (SLI) receive from its ATM share sales?

The Company generated gross proceeds of US$11,026,050 from ATM Program share issuances in the quarter ended March 31, 2026. These proceeds result from selling 2,267,842 common shares at an average price of US$4.86 on the NYSE American.

What commissions did Standard Lithium (SLI) pay on recent ATM sales?

Standard Lithium paid a US$275,651 commission to its agents, Canaccord Genuity and Evercore ISI, on ATM Program distributions in the quarter ended March 31, 2026. This commission relates directly to the 2,267,842 common shares sold during the period.

How is Standard Lithium’s ATM Program structured for common share issuance?

The ATM Program permits Standard Lithium to issue and sell up to US$50,000,000 of common shares from treasury to the public over time. Sales occur on the market through agents under a sales agreement, with pricing based on prevailing trading levels.

What business focus does Standard Lithium (SLI) highlight in this report?

Standard Lithium describes itself as a near-commercial lithium development company focused on lithium-brine properties in the United States. It emphasizes sustainable development, Direct Lithium Extraction technology, and flagship projects in the Smackover Formation across Arkansas and Texas.

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

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Accepted by SEC EDGAR 04/10/2026 - 05:12 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	April		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 x

INCORPORATION BY REFERENCE

Exhibit 99.1 of this Report on Form 6-K is incorporated by reference into the Registration Statements on Form F-10EF (File No. 333-289110) and Form S-8 (File No. 333-262400) of the Registrant, as amended or supplemented.

DOCUMENTS INCLUDED AS PART OF THIS REPORT

Exhibit
99.1	Press Release dated April 10, 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:		April 10, 2026		By:	/s/ Salah Gamoudi
					Name:	Salah Gamoudi
					Title:	Chief Financial Officer

Exhibit 99.1

STANDARD LITHIUM PROVIDES QUARTERLY ATM SALES UPDATE

VANCOUVER, BC, April 10, 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 March 31, 2026, the Company issued a total of 2,267,842 Common Shares on the NYSE American LLC (the “NYSE American”) at an average price of US$4.86 under the ATM Program, providing gross proceeds of US$11,026,050. A commission of US$275,651 was 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, a world-class lithium brine asset, focused in Arkansas and Texas. In partnership with global energy leader Equinor, Standard Lithium is advancing the SWA 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 (the “TSXV”) and the NYSE American under the symbol “SLI”.

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 EXHIBIT 99.1 5.8 KB