OS Therapies Inc (OSTX) Form 424B5 — Aug 21, 2026
OS Therapies filed a 424B5 prospectus supplement on August 21, 2026 establishing a new $75,000,000 at-the-market offering of common stock through Jefferies LLC, which earns a 3.0% commission on sales. At the $1.58 closing price on August 20, 2026, full utilization would issue up to 47,468,354 new shares against 46,470,790 shares outstanding — roughly doubling the share count. The new ATM replaces a prior $18,000,000 sales agreement with B. Riley Securities and JonesTrading that was terminated effective July 28, 2026 after only about 282,679 shares were sold for roughly $530,162 in gross proceeds.
Key figures
- Gross Proceeds
- 75000000
- Offering Price
- 1.58
- Shares Offered
- 47468354
- Shares Outstanding
- 46470790
- Prior Atm Unsold Usd
- 17469838
- Reference Price Date
- 2026-08-20
- Prior Atm Capacity Usd
- 18000000
- Warrants Outstanding
- 15234585
- Sales Agent Commission Pct
- 3
- Stock Options Outstanding
- 8594537
- Leonite Settlement Cash Usd
- 1900000
- Prior Atm Gross Proceeds Usd
- 530162
- Reference Closing Price Usd
- 1.58
- Secured Notes Interest Rate Pct
- 9
- August Bridge Note Principal Usd
- 2200000
- August Private Placement Cap Usd
- 10000000
- Estimated Offering Expenses Usd
- 350000
- Immediate Dilution Per Share Usd
- 0.98
- Pre Funded Warrants Outstanding
- 3324108
- Counsel Fee Reimbursement Cap Usd
- 100000
- Secured Notes Conversion Price Usd
- 2.05
- Leonite Note Aggregate Principal Cap Usd
- 10000000
- April2026 Registered Direct Net Proceeds Usd
- 4800000
Price after filing
Close on the filing date to close N calendar days later (from $1.59). Historical, not a forecast.
AI analysis
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