In re January 2021 Short Squeeze Trading — Marcel Poirier Certification (Exhibit 62, dated 2023-06-07)

Summary

Exhibit 62 (Document 567-62) in Case 1:21-md-02989-CMA, entered on the FLSD docket June 7, 2023, is a three-page Certification in which Marcel Poirier authorizes The Rosen Law Firm to file an action under the federal securities laws against Robinhood Financial, LLC, Robinhood Securities LLC and Robinhood Markets, Inc. over AMC, BBBY, BB, EXPR, GME, KOSS, TR, NOK and TRVG, the Affected Stocks. The Plaintiff states having reviewed a complaint, not having traded at the direction of counsel, and being willing to serve as a lead plaintiff. Schedule A lists BB purchases of 5,000, 3,000, 5,000 and 4,000 shares between 1/28/2021 and 2/2/2021, a sale of 8,000 shares on 1/28/2021, and a minimum opening position of 15,000 shares.

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Full text

Case 1:21-md-02989-CMA Document 567-62 Entered on FLSD Docket 06/07/2023 Page 1 of 3




                                Exhibit 62
DocuSign Fa ye!4Po'P: FER PS SS2C HR PBSC ERPSE7-62 Entered on FLSD Docket 06/07/2023 Page 2 of 3

CERTIFICATION

Marcel Poirier (the “Plaintiff’) authorizes The Rosen Law Firm, P.A. to file an action or
amend a current action under the federal securities laws to recover damages and to seek other relief
against ROBINHOOD FINANCIAL, LLC, ROBINHOOD SECURITIES LLC, ROBINHOOD
MARKETS, INC. (collectively “RH’’) and others in connection with the purchase and sale of one
or more of the common stock of AMC Entertainment Holdings, Inc. (NYSE: AMC), Bed Bath &
Beyond Inc. (NASDAQ: BBBY), BlackBerry Ltd. (NYSE BB), Express Inc. (NYSE: EXPR),
GameStop Corp. (NYSE: GME), Koss Corp. (NASDAQ: KOSS), Tootsie Roll Industries Inc.
(NYSE: TR), or the American Depositary Shares of foreign-issuers Nokia Corp. (NYSE: NOK)
and Trivago N.V. (NASDAQ: TRVG) (collectively “the Affected Stocks”).

Plaintiff declares, as to the claims asserted under the federal securities laws, that:

1. Plaintiff has reviewed a complaint against RH and retained The Rosen Law Firm,
P.A.

2. Plaintiff did not engage in transactions in the securities that are the subject of this
action at the direction of Plaintiffs counsel or in order to participate in this or any other litigation
under the securities laws of the United States.

3. Plaintiff is willing to serve as a lead plaintiff either individually or as part of a
group. A lead plaintiff is a representative party who acts on behalf of other class members in
directing the action, and whose duties may include testifying at deposition and trial.

4. The following is a list of all of the transactions Plaintiff has made in the Affected
Stocks during the class period set forth in the consolidated complaint:

See Schedule A

5. Plaintiff has not, within the three years preceding the date of this certification,
sought to serve or served as a representative party on behalf ofa class in an action involving alleged
violations of the federal securities laws, except: for the following company(ies):

6. Plaintiff will not accept any payment for serving as a representative party beyond
Plaintiff's pro rata share of any recovery, except reasonable costs and expenses, such as travel
expenses and lost wages directly related to the class representation, as ordered or approved by the
court pursuant to law.

I declare under penalty of perjury under the laws of the United States of America that the
foregoing is true and correct.

DocuSigned by:
1/9/2023 [MA fe.

6F6B73C3549D4D8... ——————
Marcel Poirier

Executed on

DocuSign Saye lqro lp: PAPO PSSSt CHR PBOCEARSE7-62 Entered on FLSD Docket 06/07/2023 Page 3 of 3

SCHEDULE A
MARCEL POIRIER
PURCHASES SALES
DATE SHARES PRICE DATE SHARES PRICE
Minimum BB 1/28/2021 5,000 $16.03

opening BB 1/29/2021 3,000 $14.21
position BB 2/1/2021 5,000 $14.77

15,000 BB 2/2/2021 4,000 $11.58

shares

BB 1/28/2021 8,000 ($19.49)

*Rounded to the nearest cent.
**May include averaged prices.

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