X0306 4 2021-05-13 false 0001496963 Squarespace, Inc. SQSP 0001856597 Casalena Anthony C/O SQUARESPACE, INC., 225 VARICK STREET, 12TH FLOOR NEW YORK NY 10014 true true true false Chief Executive Officer Class A Common Stock 2021-05-13 5 G false E 4460858.00 0.00 D 0.00 D Class A Common Stock 2021-05-13 5 G false E 4460858.00 0.00 A 4930175.00 I See footnote Class A Common Stock 387500.00 I See Footnote The reporting person transferred these shares for no consideration to the Anthony Casalena Revocable Trust. Due to an administrative error, the Form 4 filed by the reporting person on May 21, 2021 included a sale of 89,597 shares of Class A common stock instead of the correct amount of 87,597 shares. This Form 4 reflects the correct number of shares of Class A common stock held by the Anthony Casalena Revocable Trust after the transfer reported herein. The shares are held of record by the Anthony Casalena Revocable Trust. The shares are held of record by the Anthony Casalena 2019 Family Trust. /s/ Jessica Krasner, as Attorney-in-Fact 2021-08-31