| CUSIP No. 82657M105 | 13D | Page 11 of 11 Pages |
EXHIBIT A
Agreement of Joint Filing
The undersigned hereby agree that a single Schedule 13D (or any amendment thereto) relating to the Common Stock of Sight Sciences, Inc. shall be filed on behalf of each of the undersigned and that this Agreement shall be filed as an exhibit to such Schedule 13D.
Date: May 19, 2022
| Allegro Investment Fund, L.P. | ||
| By: | /s/ Staffan Encrantz | |
| Staffan Encrantz, President of Allegro Investment Inc., Investment Manager of Allegro Investment Fund, L.P. | ||
| Allegro Investors LLC | ||
| By: | /s/ Staffan Encrantz | |
| Staffan Encrantz, Sole Member | ||
| Allegro Investment Inc. | ||
| By: | /s/ Staffan Encrantz | |
| Staffan Encrantz, President | ||
| By: | /s/ Staffan Encrantz | |
| Staffan Encrantz | ||
