X0306 4 2022-05-13 0 0001531177 Sight Sciences, Inc. SGHT 0001870875 Encrantz Staffan C/O SIGHT SCIENCES, INC. 4040 CAMPBELL AVE, SUITE 100 MENLO PARK CA 94025 1 0 1 0 Common Stock 2022-05-13 4 P 0 1802 7.9811 A 1802 I See Footnote Common Stock 2022-05-16 4 P 0 300000 8.20 A 301802 I See Footnote Common Stock 2022-05-17 4 P 0 250000 8.4949 A 551802 I See Footnote Common Stock 4022118 I See Footnote Common Stock 632456 I See Footnote The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $7.91 to $8.00 per share, 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, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1), (4) and (5). These shares are held of record by the 1997 Staffan Encrantz and Margareta Encrantz Revocable Trust (the "Trust"). The Reporting Person is a trustee of the Trust and may be deemed to beneficially own the shares held by the Trust. The Reporting Person disclaims beneficial ownership of the shares held by the Trust (and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such shares for purposes of Section 16 or for any other purpose), except to the extent of his pecuniary interest therein, if any. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.025 to $8.45 per share, inclusive. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.155 to $8.73 per share, inclusive. These shares are held of record by Allegro Investment Fund, L.P. ("Allegro Investment Fund"). The Reporting Person is the President of Allegro Investment Inc., the investment manager of Allegro Investment Fund, and may be deemed to beneficially own the shares held by Allegro Investment Fund. The Reporting Person disclaims beneficial ownership of the shares held by Allegro Investment Fund (and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such shares for purposes of Section 16 or for any other purpose), except to the extent of his pecuniary interest therein, if any. These shares are held of record by Allegro Investors LLC ("Allegro Investors"). The Reporting Person is a member of Allegro Investors and may be deemed to beneficially own the shares held by Allegro Investors. /s/ Jeremy Hayden, Attorney-in-Fact for Staffan Encrantz 2022-05-17