FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Cook Brian Scott
 2. Date of Event Requiring Statement (Month/Day/Year)
06/07/2021		 3. Issuer Name and Ticker or Trading Symbol
Janus International Group, Inc. [JBI]
(Last)
(First)
(Middle)
C/O JANUS INTERNATIONAL GROUP, INC., 135 JANUS INTERNATIONAL BLVD.		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

TEMPLE, GA 30179		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock, par value $0.0001 per share 8,520,000
I (1)
By Juniper Industrial Sponsor, LLC (1) (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Warrant 07/07/2021 06/07/2026 Common Stock 5,075,000 $ 11.5 I See footnote (1) (3)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Cook Brian Scott
C/O JANUS INTERNATIONAL GROUP, INC.
135 JANUS INTERNATIONAL BLVD.
TEMPLE, GA 30179		   X      

Signatures

/s/ Brian Scott Cook 06/07/2021
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The securities reported herein are held by Juniper Industrial Sponsor, LLC (the "Sponsor"). The reporting person has voting and investment discretion with respect to the securities held by the Sponsor and may be deemed to have shared beneficial ownership of the securities held directly by the Sponsor. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.
(2) In connection with the issuer's business combination (the "Business Combination") with Juniper Industrial Holdings, Inc. ("Juniper"), the Sponsor exchanged its shares of Class B common stock, par value $0.0001 per share, of Juniper for 8,520,000 fully paid and non-assessable shares of common stock, par value U.S. $0.0001 per share, of Janus International Group, Inc. ("Janus Common Stock").
(3) In connection with the Business Combination, the Sponsor exchanged each of its warrants to purchase shares of Juniper Class A Common Stock on a two-for-one basis for 5,075,000 warrants to purchase shares of Janus Common Stock at a price of $11.50 per share.
 
Remarks:
Exhibit List: Exhibit 24.1 - Power of Attorney

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