X0306 4 2022-02-22 false 0001496963 Squarespace, Inc. SQSP 0001856603 O'Connor Courtenay C/O SQUARESPACE, INC.,225 VARICK ST, 12TH FLOOR NEW YORK NY 10014 false true false false General Counsel and Secretary Class A Common Stock 2022-02-22 4 M false 3389.00 0.00 A 31941.00 D Class A Common Stock 2022-02-22 4 M false 8510.00 0.00 A 40451.00 D Class A Common Stock 2022-02-22 4 M false 7887.00 0.00 A 48338.00 D Class A Common Stock 2022-02-22 4 M false 6444.00 0.00 A 54782.00 D Class A Common Stock 2022-02-22 4 F false 10731.00 26.69 D 44051.00 D Class A Common Stock 2022-02-22 4 S false 5144.00 26.69 D 38907.00 D Class A Common Stock 2022-02-22 4 S false 1413.00 27.60 D 37494.00 D Restricted Stock Units 0.00 2022-02-22 4 M false 3389.00 0.00 D Class A Common Stock 3389.00 0.00 D Restricted Stock Units 0.00 2022-02-22 4 M false 8510.00 0.00 D Class A Common Stock 8510.00 8510.00 D Restricted Stock Units 0.00 2022-02-22 4 M false 7887.00 0.00 D Class A Common Stock 7887.00 15776.00 D Restricted Stock Units 0.00 2022-02-22 4 M false 6444.00 0.00 D Class A Common Stock 6444.00 19335.00 D Restricted Stock Units 0.00 2022-02-22 4 A false 56072.00 0.00 A Class A Common Stock 56072.00 56072.00 D Shares withheld by Issuer to satisfy applicable withholding tax upon vesting of restricted stock units. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 3, 2021. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.23 to $27.19, 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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.27 to $27.99, 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. The restricted stock units vested on February 22, 2022. On February 28, 2019, the reporting person received a grant of 17,020 restricted stock units, which vests as follows: (a) 50% on February 20, 2022 and (b) 50% on February 20, 2023, 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. On February 19, 2020, the reporting person received a grant of 23,663 restricted stock units, which vests as follows: (a) 33.33% on February 20, 2022, (b) 33.33% on February 20, 2023 and (c) 33.33% on February 20, 2024, 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. On January 20, 2021, the reporting person received a grant of 25,779 restricted stock units, which vests as follows: (a) 25% on February 20, 2022, (b) 25% on February 20, 2023, (c) 25% on February 20, 2024 and (d) 25% on February 20, 2025, 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. On February 22, 2022, the reporting person received a grant of 56,072 restricted stock units, which vests as follows: (a) 25% on February 20, 2023 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 2022-02-24