X0508 4 2024-02-21 false 0001496963 Squarespace, Inc. SQSP 0001950202 Gooden Nathan C/O SQUARESPACE, INC., 225 VARICK STREET, 12TH FLOOR NEW YORK NY 10014 false true false false Chief Financial Officer true Class A Common Stock 2024-02-22 4 S false 5129.00 31.85 D 66503.00 D Restricted Stock Units 0.00 2024-02-21 4 A false 85783.00 0.00 A Class A Common Stock 85783.00 85783.00 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 14, 2023. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.43 to $32.19, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, on request, full information regarding the number of shares sold at each separate price within the range set forth above. On February 21, 2024, the reporting person received a grant of 85,783 restricted stock units, which vests as follows: (a) 25% on February 20, 2025 and (b) 6.25% quarterly thereafter, subject to continued employment through the applicable vesting date, provided, that if such date falls on a weekend or holiday, the vesting date shall be the first business day after such date. /s/ Allyson Wilkinson, as Attorney-in-Fact 2024-02-23