Astrotech lifts ATM ceiling to $50 million as ASTC retires prior $24.5 million shelf
A new $50 million at-the-market program is in focus for $ASTC after Astrotech Corporation filed a replacement prospectus supplement on August 19, 2026, closing out its prior $24.5 million shelf and redirecting all future common-stock sales to the expanded program. H.C. Wainwright & Co. remains the company's sales agent under the same offering agreement signed June 2, 2026. Watch for subsequent Form 424(b) filings to gauge the pace of any draw under the new ceiling.
Key takeaways
- Astrotech Corporation filed a replacement prospectus supplement on August 19, 2026, establishing a new $50 million at-the-market program that supersedes its prior $24.5 million shelf.
- H.C. Wainwright & Co. remains Astrotech's sales agent under the same offering agreement signed June 2, 2026.
- Under the earlier June 3, 2026 supplement, Astrotech sold 258,856 shares for gross proceeds of approximately $7.9 million before commissions and expenses.
- The new program ties to shelf registration File No. 333-297144, filed June 30, 2026 and declared effective by the SEC on July 7, 2026, superseding the prior shelf (File No. 333-293023).
- Astrotech common stock, par value $0.001, trades on Nasdaq under the ticker ASTC, and the company is based in Austin, Texas.
A new $50 million at-the-market program is in focus for $ASTC after Astrotech Corporation filed a replacement prospectus supplement on August 19, 2026, closing out its prior $24.5 million shelf and redirecting all future common-stock sales to the expanded program. H.C. Wainwright & Co. remains the company's sales agent under the same offering agreement signed June 2, 2026. Watch for subsequent Form 424(b) filings to gauge the pace of any draw under the new ceiling.
Prior draw and new shelf
Under the June 3, 2026 prospectus supplement the August 19 filing now replaces, Astrotech sold 258,856 shares of common stock for gross proceeds of approximately $7.9 million before commissions to Wainwright and other expenses, according to the 8-K. No further sales will be made under that earlier supplement.
The new prospectus supplement ties to a shelf registration statement (File No. 333-297144) Astrotech filed June 30, 2026, which the SEC declared effective July 7, 2026. That registration supersedes the prior shelf (File No. 333-293023), filed January 28, 2026, and effective January 30, 2026.
The setup from here
In an at-the-market program, the sales agent sells shares into the open market at prevailing prices over time, not at a fixed offering price. The size of the available pool sets the limit on how much stock can enter the float before another registration cycle is needed.
Here the pool roughly doubles. Wainwright can now sell up to $50 million of Astrotech common stock on behalf of the Austin, Texas company, versus the $24.5 million prior ceiling. Astrotech had drawn approximately $7.9 million under the old program before replacing it rather than drawing against remaining capacity.
The shares, common stock with a par value of $0.001 per share, trade on the Nasdaq Stock Market under the ticker ASTC. The 8-K attaches a legal opinion from Haynes and Boone, LLP as Exhibit 5.1. Chief Executive Officer, Chief Technology Officer, and Chairman Thomas B. Pickens III signed the filing on behalf of Astrotech Corporation.
Subsequent 424(b) disclosures will show how quickly the company pulls against the new $50 million limit.
Related reading
Filed by the newsroom of MarketPR on August 20, 2026. Source: sec.gov. Indicative figures are not investment advice.