SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Accomplice Fund I, L.P.

(Last) (First) (Middle)
56 WAREHAM STREET
FLOOR 3

(Street)
BOSTON MA 02118

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Klaviyo, Inc. [ KVYO ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
10/23/2023
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Series A Common Stock 10/23/2023 S(1) 637,049 D $28.3218 26,720 D(2)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
1. Name and Address of Reporting Person*
Accomplice Fund I, L.P.

(Last) (First) (Middle)
56 WAREHAM STREET
FLOOR 3

(Street)
BOSTON MA 02118

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Accomplices Associates I, LLC

(Last) (First) (Middle)
56 WAREHAM STREET
FLOOR 3

(Street)
BOSTON MA 02118

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Fagnan Jeff

(Last) (First) (Middle)
56 WAREHAM STREET
FLOOR 3

(Street)
BOSTON MA 02118

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
Moore Ryan R

(Last) (First) (Middle)
56 WAREHAM STREET
FLOOR 3

(Street)
BOSTON MA 02118

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
Explanation of Responses:
1. The shares were sold pursuant to the underwriters' partial exercise of their over-allotment option in connection with the initial public offering of the Issuer's Series A Common Stock at a net price per share of $28.3218, after underwriting discounts and commissions. Accomplice Fund I, L.P. was a selling stockholder in the initial public offering.
2. Shares held by Accomplice Fund I, L.P. Accomplice Associates I, LLC is the general partner of Accomplice Fund I, L.P. Jeff Fagnan and Ryan Moore are Class A Members of Accomplice Associates I, LLC. Each Reporting Person disclaims beneficial ownership of the shares reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), except to the extent of his or its pecuniary interest therein, if any, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of any of the reported shares for purposes of Section 16 or any other purpose.
Remarks:
Accomplice Fund I, L.P., By: Accomplice Associates I, LLC, Its: General Partner, By: /s/ Frank Castellucci, Secretary 10/23/2023
Accomplice Associates I, LLC, By: /s/ Frank Castellucci, Secretary 10/23/2023
/s/ Frank Castellucci, Attorney-in-Fact for Jeff Fagnan 10/23/2023
/s/ Frank Castellucci, Attorney-in-Fact for Ryan Moore 10/23/2023
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (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).
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