Director and 10% owner Nathan Fischel filed a Form 4 on November 12, 2026, disclosing that DAFNA Capital Management, LLC acquired $2,000,000 in convertible promissory notes issued by Stereotaxis, Inc. (NYSE American:STXS) on November 9, 2026.

Key Highlights

  • Transaction date: November 9, 2026, through a note purchase agreement between Stereotaxis and certain investors, including DAFNA Capital Management, LLC.
  • Principal amount: DAFNA acquired convertible promissory notes with an aggregate principal amount and total purchase price of $2,000,000.
  • Interest rate: The notes bear interest at 10% per annum, payable in cash or in kind by adding accrued interest to the principal balance.
  • Maturity date: November 9, 2029.
  • Conversion rate: The notes are convertible into common stock at $1.21 per share, representing up to 1,652,892 underlying shares of common stock.
  • Ownership blocker: Conversion is subject to a 19.9% beneficial ownership blocker and an NYSE American exchange cap requiring stockholder approval if applicable.
  • Relationship: Nathan Fischel is identified as a Director, 10% owner, and Chief Executive Officer of DAFNA Capital Management, LLC.

DAFNA Capital Management Purchases Stereotaxis Convertible Notes at $1.21 Per Share Conversion Rate

According to the filing, Stereotaxis, Inc. entered into a note purchase agreement on November 9, 2026 with certain investors, including DAFNA Capital Management, LLC, acting on behalf of funds for which it serves as investment manager and general partner. Under the agreement, DAFNA acquired convertible promissory notes in the aggregate principal amount of $2,000,000, for a total purchase price of $2,000,000. Nathan Fischel, the reporting person, is disclosed as the Chief Executive Officer of DAFNA Capital Management, LLC and also holds the roles of Director and 10% owner at Stereotaxis.

The filing states that the notes mature on November 9, 2029 and carry an interest rate of 10% per annum. Interest may be paid in cash or in kind by adding the accrued amount to the principal balance. The notes and any accrued interest are convertible into shares of Stereotaxis common stock at the election of the holders at any time prior to the maturity date or the consummation of a merger, sale, consolidation, or reorganization of the issuer, based on a conversion rate of $1.21 per share, which the filing indicates corresponds to up to 1,652,892 underlying shares.

The filing notes that conversion is subject to a 19.9% beneficial ownership blocker. Additionally, according to the filing, "If the Notes cannot be fully converted due to the NYSE American exchange cap, then no portion of the Notes will convert into the Issuer's Common Stock until the Issuer has obtained stockholder approval to the waiver of the exchange cap." The notes are held indirectly by funds managed and controlled by DAFNA. The Form 4 was signed by Kimberly R. Peery as attorney-in-fact for Nathan Fischel and filed on November 12, 2026.

What Was Disclosed

Nathan Fischel, a Director and 10% owner of Stereotaxis, filed a Form 4 reporting DAFNA Capital Management's acquisition of $2,000,000 in convertible promissory notes issued November 9, 2026, convertible into common stock at $1.21 per share, maturing November 9, 2029.