Interactive Strength Inc. (TRNR) ups ATM capacity to $6.06M after reverse split

Rhea-AI Filing Summary

Interactive Strength Inc. amends its prospectus supplement to increase the amount available under its at-the-market sales agreement with H.C. Wainwright & Co. to an aggregate offering price of $6,057,000.

The supplement reflects a 1-for-10 reverse stock split effected on February 24, 2026, reports sales of Common Stock totaling $1,673,180 from January 23, 2026 through March 6, 2026 under the Sales Agreement, and states 2,034,385 shares outstanding as of March 6, 2026. The company reports a public float of $23,191,875 based on a price of $11.40 per share as of January 7, 2026.

Insights

Capital Markets Strategist

Raises ATM capacity to fund operations; recent ATM sales shown.

The company increased its at-the-market (ATM) capacity to an aggregate offering price of $6,057,000, as stated in the prospectus supplement. The ATM program is being conducted through H.C. Wainwright & Co. under the Sales Agreement dated May 17, 2024.

The filing discloses $1,673,180 of sales from January 23, 2026 through March 6, 2026. Timing and exact amounts of future sales depend on the company’s decisions and market conditions; the supplement does not specify planned pacing or use of proceeds.

Corporate Finance Analyst

Reverse split and public-float calculation are restated for registration limits.

The prospectus supplement reflects a 1-for-10 reverse stock split effective February 24, 2026 and uses a public float of $23,191,875 calculated under General Instruction I.B.6 of Form S-3. The filing notes the one-third public-float limit for primary offerings while public float remains below $75.0 million.

Investors can infer the company is preserving ATM capacity; the filing does not provide details on proceeds allocation or a schedule for future sales.

Filed pursuant to Rule 424(b)(5)

Registration No. 333-288405

PROSPECTUS SUPPLEMENT

(To prospectus dated September 22, 2025

To Prospectus Supplement dated January 23, 2026)

INTERACTIVE STRENGTH INC.

Up to $6,057,000

Common Stock

This prospectus supplement amends, supplements and supersedes certain information contained in the prospectus supplement dated January 23, 2026 and its accompanying prospectus dated September 22, 2025 (collectively, the “Prior Prospectus”), relating to the offer and sale of our common stock, par value $0.0001 per share (the “Common Stock”) through H.C. Wainwright & Co., LLC (“Wainwright”), as sales agent, in “at the market offerings” as defined in Rule 415 promulgated under the Securities Act of 1933, as amended, pursuant to the At the Market Offering Agreement with Wainwright dated as of May 17, 2024 (the “Sales Agreement”).

Information in this prospectus supplement reflects a one for ten (1-for-10) reverse stock split of our Common Stock, which was effected on February 24, 2026.

From January 23, 2026 through March 6, 2026 we have sold shares of Common Stock with an aggregate value of $1,673,180 pursuant to the Sales Agreement.

Our common stock is listed on the Nasdaq Capital Market under the symbol “TRNR.” On March 5, 2026, the last reported sale price of our common stock was $1.73 per share.

As of March 6, 2026, the aggregate market value of our outstanding Common Stock held by non-affiliates, or public float calculated for purposes of General Instruction I.B.6 of Form S-3, was approximately $23,191,875, based on 2,034,385 shares of outstanding Common Stock as of March 6, 2026, of which 10 shares were held by affiliates, and a price of $11.40 per share, which was the price at which our Common Stock was last sold on the Nasdaq Capital Market on January 7, 2026.

We are filing this prospectus supplement to amend the Prior Prospectus to update the amount of shares we are eligible to sell under our Registration Statement. We are increasing the amount of shares of Common Stock we may offer and sell under the Sales Agreement to an aggregate offering price of up to $6,057,000 from time to time through Wainwright. We have sold shares of Common Stock with an aggregate value of $1,673,180 pursuant to General Instruction I.B.6 of Form S-3 during the prior 12-calendar month period that ends on and includes the date of this prospectus supplement. Pursuant to General Instruction I.B.6 of Form S-3, in no event will we sell securities in a public primary offering with a value exceeding one-third of our public float in any 12-month calendar period so long as our public float remains below $75.0 million.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or passed upon the adequacy or accuracy of this prospectus supplement and the accompanying prospectus. Any representation to the contrary is a criminal offense.

H.C. Wainwright & Co.

The date of this prospectus supplement is March 6, 2026.

FAQ

What offering amount did Interactive Strength Inc. (TRNR) register in this supplement?

The company registered an aggregate offering price of $6,057,000 for Common Stock. This increases the prior ATM capacity and is to be sold through H.C. Wainwright & Co.

How much Common Stock has TRNR sold under the Sales Agreement recently?

TRNR sold Common Stock with an aggregate value of $1,673,180 from January 23, 2026 through March 6, 2026. These sales were executed pursuant to the Sales Agreement with Wainwright.

What is TRNR's public float and shares outstanding used in the filing?

The prospectus supplement states a public float of $23,191,875 and 2,034,385 shares outstanding as of March 6, 2026. The float calculation uses the $11.40 per-share price on January 7, 2026.

Did Interactive Strength complete any corporate actions affecting share counts?

Yes. The supplement reflects a 1-for-10 reverse stock split of Common Stock that was effected on February 24, 2026, and the prospectus supplement incorporates that split in its figures.

Who is acting as sales agent for TRNR's at-the-market offering?

H.C. Wainwright & Co., LLC is the sales agent under the At the Market Offering Agreement dated May 17, 2024, as stated in the supplement.