UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

                                  SCHEDULE 13G

                   Under the Securities Exchange Act of 1934
                               (Amendment No.  )*

                                 MANDIANT INC.
--------------------------------------------------------------------------------
                                (Name of Issuer)

                          COMMON STOCK, $0.01 PAR VALUE
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                   562662106
--------------------------------------------------------------------------------
                                 (CUSIP Number)

Check the following box if a fee is being paid with this statement / /. (A fee
is not required only if the filing person: (1) has a previous statement on file
reporting beneficial ownership of more than five percent of the class of
securities described in Item 1; and (2) has filed no amendment subsequent
thereto reporting beneficial ownership of five percent or less of such class.)
(See Rule 13d-7).

*The remainder of this cover shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).



Cusip No. 562662106                   13G                      Page 2 of 3 Pages


Schedule 13G Additional Information

Item #
1.  (a)  Name of Issuer: MANDIANT INC.

    (b)  Address of Issuer's Principal Executive Offices:
         11951 Freedom Drive
         6th Floor
         Reston, VA 20190
         Frank Verdeeanna

2.  (a)  Name of Person Filing:
         Louis S. Shapiro, SHAPIRO CAPITAL MANAGEMENT LLC

    (b)  Address of Principal Business Office for Each of the Above:
         3060 PEACHTREE ROAD,  SUITE 1555 N.W., ATLANTA, GEORGIA 30305

    (c)  Citizenship:
         SHAPIRO CAPITAL MANAGEMENT LLC -- Delaware Limited Liability Company

    (d)  Title of  Class of  Securities:
         COMMON STOCK, $0.01 PAR VALUE

    (e)  CUSIP Number:
         562662106

3.  If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b).  The
    person filing is a:
    IA

4. Ownership:
    (a) Amount Beneficially Owned:                                       25,200

    (b) Percent of Class:                                                  0.01%

    (c) Number of shares as to which such person has:
        (i)   sole power to vote or to direct the vote                   25,200
        (ii)  shared power to vote or to direct the vote                      0
        (iii) sole power to dispose or to direct the disposition of      25,200
        (iv)  shared power to dispose or to direct the disposition of         0



Cusip No. 562662106                   13G                      Page 3 of 3 Pages


5.  Ownership of Five Percent or Less of a Class:
    If this statement is being filed to report the fact that as of the date
    hereof the reporting person has ceased to be the beneficial owner of more
    than five percent of the class of securities, check the following. /X/

6.  This Schedule 13G is being filed by Shapiro Capital Management LLC, (SCM) an
    investment adviser under the Investment Advisers Act of 1940, which is
    deemed to be the beneficial owner of 25,200 representing 0.01% of the
    Issuer's outstanding shares. One or more of Shapiro Capital Management LLC's
    advisory clients is the legal owner of the securities covered by this
    statement. Pursuant to the investment advisory agreements with its clients,
    Shapiro Capital Management LLC has the authority to direct the investments
    of its advisory clients, and consequently to authorize the disposition of
    the Issuer's shares. SCM's clients have the right to receive dividends and
    proceeds from sales from the securities which it manages, however, no such
    client has an interest relating to more than five percent of the class to
    which this Schedule 13G applies.

7.  Identification and Classification of the Subsidiary which Acquired the
    Security Being Reported on by the Parent Holding Company
    N/A

8.  Identification and Classification of Members of the Group:
    N/A

9.  Notice of Dissolution of  Group:
    N/A

10. Certification:

    By signing below I certify that, to the best of my knowledge and belief, the
    securities referred to above were acquired in the ordinary course of
    business and were not acquired for the purpose of and do not have the effect
    of changing or influencing the control of the issuer of such securities and
    were not acquired in connection with or as a participant in any transaction
    having such purpose or effect.

                                   SIGNATURE

     After reasonable inquiry and to the best of my knowledge and belief, I
     certify that the information set forth in this statement is true, complete
     and correct.

BY:     Shapiro Capital Management LLC

DATE:   March 31, 2022

NAME:   Louis S. Shapiro
TITLE:  President