Form Type: 4

SEC EDGAR Link
Accession Number:0001104659-21-081556
Date:2021-06-14
Issuer: Y-MABS THERAPEUTICS, INC. (YMAB)
Original Submission Date:

Reporting Person:

GAD THOMAS
C/O Y-MABS THERAPEUTICS, INC.
230 PARK AVENUE, SUITE 3350 NEW YORK, NY 10169

Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
Title of SecurityTransaction Date2a. Deemed Execution Date Transaction CodeSharesAcquired or DisposedPrice per share 5. Amount of Securities Beneficially Owned Following Reported Transaction 6. Ownership Form Direct or IndirectNature of Indirect Ownership
COMMON STOCK 2021-06-14 S 4,000 d $35.80 1,599,927 indirect f3
Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, convertible securities
Title of Derivative Security Conversion or Exercise Price of Derivative Security Transaction Date Deemed Execution Date Transaction Code Number of Derivative Securities Acquired (A) or Disposed of (D) Date ExercisableExpiration Date Title and Amount of Securities Underlying Derivative Security Price of Derivative Security Number of derivative Securities Beneficially Owned Following Reported Transaction(s) Ownership Form: Direct (D) or Indirect (I) Nature of Indirect Beneficial Ownership
Footnotes
IDfootnote
f1 represents shares sold pursuant to a rule 10b5-1 trading plan adopted on march 25, 2021.
f2 this transaction was executed in multiple trades at prices ranging from $35.24 to $36.28. the price reported reflects the weighted average sale price. the reporting person hereby undertakes to provide upon request to the sec staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
f3 reporting person is sole member of gad enterprises, llc and the sole member and manager of gad management, llc, the manager of gad enterprises, llc, and as such reporting person has sole voting and dispositive power with respect to such shares.
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