Brian Achenbach - Dec 8, 2021 Form 4 Insider Report for MUSTANG BIO, INC. (MBIO)

Role
SVP, Fin. & Corp. Controller
Signature
/s/ Brian Achenbach
Stock symbol
MBIO
Transactions as of
Dec 8, 2021
Transactions value $
-$8,004
Form type
4
Date filed
12/16/2021, 03:30 PM
Previous filing
Oct 21, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MBIO COMMON STOCK Award $0 +22.5K +17.77% $0.00 149K Dec 8, 2021 Direct F1, F4
transaction MBIO COMMON STOCK Sale -$8K -4.37K -2.93% $1.83 145K Dec 14, 2021 Direct F2, F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit represents the right to receive one share of Common Stock of Mustang Bio, Inc. The restricted stock units will vest at different times over a period of 4 years.
F2 4,374 shares were sold in connection with the vesting of 13,750 shares on December 4, 2021, these shares were sold by the Company's restricted stock administrator in order to satisfy Mr. Achenbach's tax withholding obligations. Mr. Achenbach had no discretion with respect to such sale, which was transacted automatically in accordance with the Company's corporate policies regarding the vesting of restricted stock.
F3 Represents the weighted average sales price.
F4 Includes restricted share units, which vest over various time periods.