X0306 4 2021-06-11 0 0001404281 Eledon Pharmaceuticals, Inc. ELDN 0001749385 Little Paul Sean C/O ELEDON PHARMACEUTICALS, INC. 19900 MACARTHUR BLVD., SUITE 550 IRVINE CA 92612 0 1 0 0 CHIEF FINANCIAL OFFICER Common Stock 2021-06-11 4 P 0 10000 8.87 A 10000 D The reported price in Column 4 is a weighted average price. These shares were purchased in multiple open market transactions in accordance with the Issuer's trading policies at prices ranging from $8.76 to $8.99 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. /s/ Ryan A. Murr, as attorney-in-fact for Paul Little 2021-06-14