{"transactions":[{"id":741881,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-06-11T20:43:50.000Z","date":"2026-06-10","kind":"purchase","planned":false,"acquired":true,"shares":14100,"price":4.879,"value":68793.9,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), were purchased in multiple transactions at per share prices ranging from $4.78 to $4.93 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 purchased at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (i)1,406,022 shares of Common Stock and (ii) 28,261 restricted stock units, which restricted stock units are subject to vesting as previously reported."}],"balance_after":1434283,"source":{"system":"sec-edgar","filing":"0001193125-26-267752","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000119312526267752/ownership.xml","form_type":"4"}},{"id":748209,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-06-05T20:10:35.000Z","date":"2026-06-04","kind":"grant","planned":false,"acquired":true,"shares":28261,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects a grant of restricted stock units (\"RSUs\") made to the Reporting Person under the Issuer's Non-Employee Director Compensation Program. Each RSU represents a contingent right to receive one share of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"). The number of RSUs granted is equal to approximately $130,000 of shares of Common Stock as determined by the closing price on the grant date, June 4, 2026. The RSUs vest on the earlier of June 4, 2027 and the date of the Issuer's 2027 annual meeting of stockholders, subject to the Reporting Person's continued service as a director on the Company's board of directors through such vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (i)1,391,922 shares of Common Stock and (ii) 28,261 RSUs which are subject to vesting as reported herein."}],"balance_after":1420183,"source":{"system":"sec-edgar","filing":"0001193125-26-259570","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000119312526259570/ownership.xml","form_type":"4"}},{"id":963253,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-12-18T23:10:08.000Z","date":"2025-12-16","kind":"purchase","planned":false,"acquired":true,"shares":13958,"price":8.308,"value":115963.064,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), were purchased in multiple transactions at per share prices ranging from $8.12 to $8.40 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 purchased at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (i)1,360,970 shares of Common Stock and (ii) 30,952 restricted stock units which are subject to vesting as previously reported."}],"balance_after":1391922,"source":{"system":"sec-edgar","filing":"0001193125-25-325277","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000119312525325277/ownership.xml","form_type":"4"}},{"id":1119921,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-06-07T01:10:58.000Z","date":"2025-06-06","kind":"purchase","planned":false,"acquired":true,"shares":27900,"price":4.22,"value":117738.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares of Common Stock were purchased in multiple transactions at per share prices ranging from $4.20 to $4.245 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 purchased at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes (i) 1,347,012 shares of Common Stock, and (ii) 30,952 restricted stock units which are subject to vesting as reported herein."}],"balance_after":1377964,"source":{"system":"sec-edgar","filing":"0000950170-25-083413","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017025083413/ownership.xml","form_type":"4"}},{"id":1119920,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-06-07T01:10:58.000Z","date":"2025-06-05","kind":"grant","planned":false,"acquired":true,"shares":30952,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Reflects a grant of restricted stock units (\"RSUs\") made to the Reporting Person under the Issuer's Non-Employee Director Compensation Program. Each RSU represents a contingent right to receive one share of Common Stock. The number of RSUs granted is equal to approximately $130,000 of shares of Common Stock as determined by the closing price on the grant date, June 5, 2025. The RSUs vest on the earlier of June 5, 2026 and the date of the Issuer's 2026 annual meeting of stockholders, subject to the Reporting Person's continued service as a director on the Company's board of directors through such vesting date."}],"balance_after":1350064,"source":{"system":"sec-edgar","filing":"0000950170-25-083413","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017025083413/ownership.xml","form_type":"4"}},{"id":1119919,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-06-07T01:10:58.000Z","date":"2025-06-05","kind":"purchase","planned":false,"acquired":true,"shares":40951,"price":4.244,"value":173796.044,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares of Common Stock were purchased in multiple transactions at per share prices ranging from $4.19 to $4.295 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 purchased at each separate price within the range set forth in this footnote."}],"balance_after":1319112,"source":{"system":"sec-edgar","filing":"0000950170-25-083413","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017025083413/ownership.xml","form_type":"4"}},{"id":1119918,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-06-07T01:10:58.000Z","date":"2025-06-04","kind":"purchase","planned":false,"acquired":true,"shares":21674,"price":4.172,"value":90423.928,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), were purchased in multiple transactions at per share prices ranging from $4.067 to $4.23 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 purchased at each separate price within the range set forth in this footnote."}],"balance_after":1278161,"source":{"system":"sec-edgar","filing":"0000950170-25-083413","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017025083413/ownership.xml","form_type":"4"}},{"id":1125366,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-06-04T01:57:16.000Z","date":"2025-06-03","kind":"purchase","planned":false,"acquired":true,"shares":25230,"price":3.967,"value":100087.41,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares of Common Stock were purchased in multiple transactions at per share prices ranging from $3.85 to $4.00 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 purchased at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes (i) 1,239,121 shares of Common Stock and (ii) 17,366 restricted stock units, which are subject to vesting as previously reported."}],"balance_after":1256487,"source":{"system":"sec-edgar","filing":"0000950170-25-081367","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017025081367/ownership.xml","form_type":"4"}},{"id":1125365,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-06-04T01:57:16.000Z","date":"2025-06-02","kind":"purchase","planned":false,"acquired":true,"shares":30799,"price":3.878,"value":119438.522,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares of Common Stock were purchased in multiple transactions at per share prices ranging from $3.65 to $3.91 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 purchased at each separate price within the range set forth in this footnote."}],"balance_after":1231257,"source":{"system":"sec-edgar","filing":"0000950170-25-081367","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017025081367/ownership.xml","form_type":"4"}},{"id":1125364,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-06-04T01:57:16.000Z","date":"2025-05-30","kind":"purchase","planned":false,"acquired":true,"shares":42753,"price":3.67,"value":156903.51,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), were purchased in multiple transactions at per share prices ranging from $3.505 to $3.715 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 purchased at each separate price within the range set forth in this footnote."}],"balance_after":1200458,"source":{"system":"sec-edgar","filing":"0000950170-25-081367","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017025081367/ownership.xml","form_type":"4"}},{"id":1130693,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-05-30T01:31:17.000Z","date":"2025-05-29","kind":"purchase","planned":false,"acquired":true,"shares":60128,"price":3.588,"value":215739.264,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares of Common Stock were purchased in multiple transactions at per share prices ranging from $3.50 to $3.71 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 purchased at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes (i) 1,140,339 shares of Common Stock and (ii) 17,366 restricted stock units, which are subject to vesting as previously reported."}],"balance_after":1157705,"source":{"system":"sec-edgar","filing":"0000950170-25-079292","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017025079292/ownership.xml","form_type":"4"}},{"id":1130692,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-05-30T01:31:17.000Z","date":"2025-05-28","kind":"purchase","planned":false,"acquired":true,"shares":26715,"price":3.516,"value":93929.94,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares of Common Stock were purchased in multiple transactions at per share prices ranging from $3.325 to $3.60 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 purchased at each separate price within the range set forth in this footnote."}],"balance_after":1097577,"source":{"system":"sec-edgar","filing":"0000950170-25-079292","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017025079292/ownership.xml","form_type":"4"}},{"id":1130691,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-05-30T01:31:17.000Z","date":"2025-05-27","kind":"purchase","planned":false,"acquired":true,"shares":41346,"price":3.436,"value":142064.856,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), were purchased in multiple transactions at per share prices ranging from $3.29 to $3.46 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 purchased at each separate price within the range set forth in this footnote."}],"balance_after":1070862,"source":{"system":"sec-edgar","filing":"0000950170-25-079292","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017025079292/ownership.xml","form_type":"4"}},{"id":1207922,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-03-13T23:22:02.000Z","date":"2025-03-12","kind":"other","planned":false,"acquired":true,"shares":243000,"price":2.77,"value":673110.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), are held of record by Allegro Investment Fund, L.P. (\"Allegro Investment Fund\"). The Reporting Person is the President and sole director of Allegro Investment Inc., which is the investment manager of Allegro Investment Fund, and may be deemed to beneficially own the shares held by Allegro Investment Fund for purposes of Rule 13d-3 under the Securities Exchange Act of 1934 (the \"Exchange Act\"). However, the Reporting Person does not have any pecuniary interest in the shares held by Allegro Investment Fund and disclaims beneficial ownership with respect to all such shares. Accordingly, this report is being provided voluntarily by the Reporting Person for informational purposes only and shall not be deemed an admission that the Reporting Person is the beneficial owner of any such shares for purposes of Section 16 under the Exchange Act or for any other purpose."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares of Common Stock were purchased in multiple transactions at per share prices ranging from $2.665 to $2.90 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 purchased at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"These shares of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), are held of record by Allegro Investment Fund, L.P. (\"Allegro Investment Fund\"). The Reporting Person is the President and sole director of Allegro Investment Inc., which is the investment manager of Allegro Investment Fund, and may be deemed to beneficially own the shares held by Allegro Investment Fund for purposes of Rule 13d-3 under the Securities Exchange Act of 1934 (the \"Exchange Act\"). However, the Reporting Person does not have any pecuniary interest in the shares held by Allegro Investment Fund and disclaims beneficial ownership with respect to all such shares. Accordingly, this report is being provided voluntarily by the Reporting Person for informational purposes only and shall not be deemed an admission that the Reporting Person is the beneficial owner of any such shares for purposes of Section 16 under the Exchange Act or for any other purpose."}],"balance_after":5086920,"source":{"system":"sec-edgar","filing":"0000950170-25-039010","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017025039010/ownership.xml","form_type":"4"}},{"id":1207921,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-03-13T23:22:02.000Z","date":"2025-03-11","kind":"other","planned":false,"acquired":true,"shares":150000,"price":2.71,"value":406500.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), are held of record by Allegro Investment Fund, L.P. (\"Allegro Investment Fund\"). The Reporting Person is the President and sole director of Allegro Investment Inc., which is the investment manager of Allegro Investment Fund, and may be deemed to beneficially own the shares held by Allegro Investment Fund for purposes of Rule 13d-3 under the Securities Exchange Act of 1934 (the \"Exchange Act\"). However, the Reporting Person does not have any pecuniary interest in the shares held by Allegro Investment Fund and disclaims beneficial ownership with respect to all such shares. Accordingly, this report is being provided voluntarily by the Reporting Person for informational purposes only and shall not be deemed an admission that the Reporting Person is the beneficial owner of any such shares for purposes of Section 16 under the Exchange Act or for any other purpose."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares of Common Stock were purchased in multiple transactions at per share prices ranging from $2.465 to $2.875 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 purchased at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"These shares of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), are held of record by Allegro Investment Fund, L.P. (\"Allegro Investment Fund\"). The Reporting Person is the President and sole director of Allegro Investment Inc., which is the investment manager of Allegro Investment Fund, and may be deemed to beneficially own the shares held by Allegro Investment Fund for purposes of Rule 13d-3 under the Securities Exchange Act of 1934 (the \"Exchange Act\"). However, the Reporting Person does not have any pecuniary interest in the shares held by Allegro Investment Fund and disclaims beneficial ownership with respect to all such shares. Accordingly, this report is being provided voluntarily by the Reporting Person for informational purposes only and shall not be deemed an admission that the Reporting Person is the beneficial owner of any such shares for purposes of Section 16 under the Exchange Act or for any other purpose."}],"balance_after":4843920,"source":{"system":"sec-edgar","filing":"0000950170-25-039010","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017025039010/ownership.xml","form_type":"4"}},{"id":1207920,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-03-13T23:22:02.000Z","date":"2025-03-10","kind":"other","planned":false,"acquired":true,"shares":120000,"price":2.53,"value":303600.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), are held of record by Allegro Investment Fund, L.P. (\"Allegro Investment Fund\"). The Reporting Person is the President and sole director of Allegro Investment Inc., which is the investment manager of Allegro Investment Fund, and may be deemed to beneficially own the shares held by Allegro Investment Fund for purposes of Rule 13d-3 under the Securities Exchange Act of 1934 (the \"Exchange Act\"). However, the Reporting Person does not have any pecuniary interest in the shares held by Allegro Investment Fund and disclaims beneficial ownership with respect to all such shares. Accordingly, this report is being provided voluntarily by the Reporting Person for informational purposes only and shall not be deemed an admission that the Reporting Person is the beneficial owner of any such shares for purposes of Section 16 under the Exchange Act or for any other purpose."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares of Common Stock were purchased in multiple transactions at per share prices ranging from $2.455 to $2.55 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 purchased at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"These shares of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), are held of record by Allegro Investment Fund, L.P. (\"Allegro Investment Fund\"). The Reporting Person is the President and sole director of Allegro Investment Inc., which is the investment manager of Allegro Investment Fund, and may be deemed to beneficially own the shares held by Allegro Investment Fund for purposes of Rule 13d-3 under the Securities Exchange Act of 1934 (the \"Exchange Act\"). However, the Reporting Person does not have any pecuniary interest in the shares held by Allegro Investment Fund and disclaims beneficial ownership with respect to all such shares. Accordingly, this report is being provided voluntarily by the Reporting Person for informational purposes only and shall not be deemed an admission that the Reporting Person is the beneficial owner of any such shares for purposes of Section 16 under the Exchange Act or for any other purpose."}],"balance_after":4693920,"source":{"system":"sec-edgar","filing":"0000950170-25-039010","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017025039010/ownership.xml","form_type":"4"}},{"id":1355908,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2024-11-22T02:12:29.000Z","date":"2024-11-21","kind":"purchase","planned":false,"acquired":true,"shares":551802,"price":3.73,"value":2058221.46,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 551,802 shares of Common Stock previously held directly by the Trust, which were sold to Allegro Investment Fund, L.P. (\"Allegro Investment Fund\") as reported herein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"These shares of Common Stock are held of record by 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."}],"balance_after":4573920,"source":{"system":"sec-edgar","filing":"0000950170-24-129885","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017024129885/ownership.xml","form_type":"4"}},{"id":1355907,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2024-11-22T02:12:29.000Z","date":"2024-11-21","kind":"sale","planned":false,"acquired":false,"shares":551802,"price":3.73,"value":2058221.46,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"These shares of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), 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."}],"balance_after":632456,"source":{"system":"sec-edgar","filing":"0000950170-24-129885","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017024129885/ownership.xml","form_type":"4"}},{"id":1485168,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-06-10T23:30:54.000Z","date":"2024-06-06","kind":"grant","planned":false,"acquired":true,"shares":17366,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects a grant of restricted stock units (\"RSUs\") made to the Reporting Person under the Issuer's Non-Employee Director Compensation Program. Each RSU represents a contingent right to receive one share of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"). The number of RSUs granted is equal to $120,000 divided by the closing price of the Common Stock on the grant date, June 6, 2024. The RSUs vest on the earlier of June 6, 2025 and the date of the Issuer's 2025 annual meeting of stockholders, subject to the Reporting Person's continued service as a director on the Company's board of directors through such vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (i) 1,012,150 shares of Common Stock and (ii) 17,366 RSUs, which are subject to vesting as reported herein."}],"balance_after":1029516,"source":{"system":"sec-edgar","filing":"0000950170-24-071516","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017024071516/ownership.xml","form_type":"4"}},{"id":1725655,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-12-02T00:39:42.000Z","date":"2023-11-30","kind":"purchase","planned":false,"acquired":true,"shares":140777,"price":3.4568,"value":486637.9336,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Reflects the weighted average price at which these shares of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), were purchased. The shares were purchased in multiple transactions at prices ranging from $3.38 to $3.50, 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 purchased at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 15,094 restricted stock units (\"RSUs\") granted to the Reporting Person on June 8, 2023 under the Issuer's Non-Employee Director Compensation Program, which are subject to vesting as previously reported. Each RSU represents a contingent right to receive one share of Common Stock."}],"balance_after":1012150,"source":{"system":"sec-edgar","filing":"0000950170-23-067435","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017023067435/ownership.xml","form_type":"4"}},{"id":1725654,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-12-02T00:39:42.000Z","date":"2023-11-29","kind":"purchase","planned":false,"acquired":true,"shares":3223,"price":3.5,"value":11280.5,"ownership":{"direct":true},"balance_after":871373,"source":{"system":"sec-edgar","filing":"0000950170-23-067435","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017023067435/ownership.xml","form_type":"4"}},{"id":1728790,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-11-29T01:32:46.000Z","date":"2023-11-28","kind":"purchase","planned":false,"acquired":true,"shares":253669,"price":3.4578,"value":877136.6682,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Reflects the weighted average price at which these shares of Common Stock were purchased. The shares were purchased in multiple transactions at prices ranging from $3.275 to $3.50, 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 purchased at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 15,094 restricted stock units (\"RSUs\") granted to the Reporting Person on June 8, 2023 under the Issuer's Non-Employee Director Compensation Program, which are  subject to vesting as previously reported. Each RSU represents a contingent right to receive one share of Common Stock."}],"balance_after":868150,"source":{"system":"sec-edgar","filing":"0000950170-23-066532","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017023066532/ownership.xml","form_type":"4"}},{"id":1728789,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-11-29T01:32:46.000Z","date":"2023-11-27","kind":"purchase","planned":false,"acquired":true,"shares":246331,"price":3.3124,"value":815946.8044,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Reflects the weighted average price at which these shares of Common Stock were purchased. The shares were purchased in multiple transactions at prices ranging from $3.035 to $3.355, 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 purchased at each separate price within the range set forth in this footnote."}],"balance_after":614481,"source":{"system":"sec-edgar","filing":"0000950170-23-066532","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017023066532/ownership.xml","form_type":"4"}},{"id":1728788,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-11-29T01:32:46.000Z","date":"2023-11-24","kind":"purchase","planned":false,"acquired":true,"shares":21855,"price":3.0852,"value":67427.046,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Reflects the weighted average price at which these shares of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), were purchased. The shares were purchased in multiple transactions at prices ranging from $2.96 to $3.10, 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 purchased at each separate price within the range set forth in this footnote."}],"balance_after":368150,"source":{"system":"sec-edgar","filing":"0000950170-23-066532","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017023066532/ownership.xml","form_type":"4"}},{"id":1731473,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-11-22T23:19:42.000Z","date":"2023-11-22","kind":"purchase","planned":false,"acquired":true,"shares":41085,"price":2.4999,"value":102708.3915,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Reflects the weighted average price at which these shares of Common Stock were purchased. The shares were purchased in multiple transactions at prices ranging from $2.495 to $2.50, 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 purchased at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 15,094 restricted stock units (\"RSUs\") granted to the Reporting Person on June 8, 2023 under the Issuer's Non-Employee Director Compensation Program, which are subject to vesting as previously reported.Each RSU represents a contingent right to receive one share of Common Stock."}],"balance_after":346295,"source":{"system":"sec-edgar","filing":"0000950170-23-065919","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017023065919/ownership.xml","form_type":"4"}},{"id":1731472,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-11-22T23:19:42.000Z","date":"2023-11-21","kind":"purchase","planned":false,"acquired":true,"shares":68477,"price":2.4758,"value":169535.3566,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Reflects the weighted average price at which these shares of Common Stock were purchased. The shares were purchased in multiple transactions at prices ranging from $2.34 to $2.50, 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 purchased at each separate price within the range set forth in this footnote."}],"balance_after":305210,"source":{"system":"sec-edgar","filing":"0000950170-23-065919","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017023065919/ownership.xml","form_type":"4"}},{"id":1731471,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-11-22T23:19:42.000Z","date":"2023-11-20","kind":"purchase","planned":false,"acquired":true,"shares":79234,"price":2.2489,"value":178189.3426,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Reflects the weighted average price at which these shares of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), were purchased. The shares were purchased in multiple transactions at prices ranging from $2.225  to $2.25, 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 purchased at each separate price within the range set forth in this footnote."}],"balance_after":236733,"source":{"system":"sec-edgar","filing":"0000950170-23-065919","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017023065919/ownership.xml","form_type":"4"}},{"id":1734866,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-11-21T02:45:13.000Z","date":"2023-11-17","kind":"purchase","planned":false,"acquired":true,"shares":126664,"price":2.1892,"value":277292.8288,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Reflects the weighted average price at which the shares of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), were purchased. The shares were purchased in multiple transactions at prices ranging from $2.09 to $2.25, 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 purchased at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 15,094 restricted stock units (\"RSUs\") granted to the Reporting Person on June 8, 2023 under the Issuer's Non-Employee Director Compensation Program (the \"Program\"), which are subject to vesting as previously reported. Each RSU represents a contingent right to receive one share of Common Stock."}],"balance_after":157499,"source":{"system":"sec-edgar","filing":"0000950170-23-065273","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017023065273/ownership.xml","form_type":"4"}},{"id":1734865,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-11-21T02:45:13.000Z","date":"2023-11-16","kind":"purchase","planned":false,"acquired":true,"shares":339,"price":2,"value":678.0,"ownership":{"direct":true},"balance_after":30835,"source":{"system":"sec-edgar","filing":"0000950170-23-065273","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017023065273/ownership.xml","form_type":"4"}},{"id":1739326,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-11-16T22:44:00.000Z","date":"2023-11-14","kind":"purchase","planned":false,"acquired":true,"shares":3462,"price":1.997,"value":6913.614,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"Includes 15,094 restricted stock units (\"RSUs\") granted to the Reporting Person on June 8, 2023 under the Issuer's Non-Employee Director Compensation Program (the \"Program\") as previously reported. Each RSU represents a contingent right to receive one share of the Issuer's common stock, par value $0.001 per share (\"Common Stock\")."}],"balance_after":30496,"source":{"system":"sec-edgar","filing":"0000950170-23-064582","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017023064582/ownership.xml","form_type":"4"}},{"id":1739321,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-11-16T22:35:20.000Z","date":"2023-06-08","kind":"grant","planned":false,"acquired":true,"shares":15094,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Reflects a grant of RSUs made to the Reporting Person under the Program. Each RSU represents a contingent right to receive one share of Common Stock. The RSUs vest on the earlier of June 8, 2024 and the date of the Issuer's 2024 annual meeting of stockholders, subject to the Reporting Person's continued service as a director on the Issuer's board of directors through such vesting date."}],"balance_after":27034,"source":{"system":"sec-edgar","filing":"0000950170-23-064579","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017023064579/ownership.xml","form_type":"4/A","original_submission_date":"2023-06-12"}},{"id":1739320,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-11-16T22:35:20.000Z","date":"2023-06-08","kind":"grant","planned":false,"acquired":true,"shares":11940,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects the vesting in full of 11,940 restricted stock units (\"RSUs\") granted to the Reporting Person on June 8, 2022 under the Issuer's Non-Employee Director Compensation Program (the \"Program\"), as reported in Table II on the Reporting Person's Form 4 filed with the Securities and Exchange Commission on August 5, 2022. Each RSU represented a contingent right to receive one share of the Issuer's common stock, par value $0.001 per share (\"Common Stock\")."}],"balance_after":11940,"source":{"system":"sec-edgar","filing":"0000950170-23-064579","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000095017023064579/ownership.xml","form_type":"4/A","original_submission_date":"2023-06-12"}},{"id":1859102,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-06-12T21:44:19.000Z","date":"2023-06-08","kind":"grant","planned":false,"acquired":true,"shares":15094,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Reflects a grant of RSUs made to the Reporting Person under the Issuer's Non-Employee Director Compensation Program. Each RSU represents a contingent right to receive one share of Common Stock. The number of RSUs granted is equal to approximately $120,000 of shares of Common Stock as determined by the closing price on the grant date, June 8, 2023. The RSUs vest on the earlier of June 8, 2024 and the date of the Issuer's 2024 annual meeting of stockholders, subject to the Reporting Person's continued service as a director on the Company's board of directors through such vesting date."}],"balance_after":11940,"source":{"system":"sec-edgar","filing":"0000899243-23-015385","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924323015385/doc4.xml","form_type":"4"}},{"id":1859101,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-06-12T21:44:19.000Z","date":"2023-06-08","kind":"grant","planned":false,"acquired":true,"shares":11940,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects a grant of restricted stock units (\"RSUs\") made to the Reporting Person on June 8, 2022 under the Issuer's Non-Employee Director Compensation Program, as reported in Table II on the Reporting Person's Form 4 filed with the Securities and Exchange Commission on August 5, 2022. Each RSU represented a contingent right to receive one share of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"). The RSUs vested in full on June 8, 2023."}],"balance_after":11940,"source":{"system":"sec-edgar","filing":"0000899243-23-015385","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924323015385/doc4.xml","form_type":"4"}},{"id":2193480,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2022-08-05T20:14:36.000Z","date":"2022-06-08","kind":"grant","acquired":true,"shares":11940,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The RSUs vest on the earlier of (i) June 8, 2023 and (ii) one day prior to the Company's 2023 annual meeting of shareholders, subject to the Reporting Person's continued service with the Issuer through such vesting date. The RSUs have no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The RSUs vest on the earlier of (i) June 8, 2023 and (ii) one day prior to the Company's 2023 annual meeting of shareholders, subject to the Reporting Person's continued service with the Issuer through such vesting date. The RSUs have no expiration date."}],"balance_after":11940,"derivative":{"underlying":"Common Stock","underlying_shares":11940},"source":{"system":"sec-edgar","filing":"0000899243-22-027828","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924322027828/doc4.xml","form_type":"4"}},{"id":2268455,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-05-18T01:40:07.000Z","date":"2022-05-17","kind":"purchase","acquired":true,"shares":250000,"price":8.4949,"value":2123725.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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)."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"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."}],"balance_after":551802,"source":{"system":"sec-edgar","filing":"0000899243-22-018500","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924322018500/doc4.xml","form_type":"4"}},{"id":2268454,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-05-18T01:40:07.000Z","date":"2022-05-16","kind":"purchase","acquired":true,"shares":300000,"price":8.2,"value":2460000.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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)."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"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."}],"balance_after":301802,"source":{"system":"sec-edgar","filing":"0000899243-22-018500","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924322018500/doc4.xml","form_type":"4"}},{"id":2268453,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-05-18T01:40:07.000Z","date":"2022-05-13","kind":"purchase","acquired":true,"shares":1802,"price":7.9811,"value":14381.9422,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"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."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"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."}],"balance_after":1802,"source":{"system":"sec-edgar","filing":"0000899243-22-018500","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924322018500/doc4.xml","form_type":"4"}},{"id":2490848,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-12-02T02:27:10.000Z","date":"2021-12-01","kind":"purchase","acquired":true,"shares":62959,"price":22.92,"value":1443020.28,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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), (5), (6), (7), (8) , (9) and (10)."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $22.835 to $22.975, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"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."}],"balance_after":4022118,"source":{"system":"sec-edgar","filing":"0000899243-21-046456","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924321046456/doc4.xml","form_type":"4"}},{"id":2490847,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-12-02T02:27:10.000Z","date":"2021-12-01","kind":"purchase","acquired":true,"shares":123931,"price":22.36,"value":2771097.16,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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), (5), (6), (7), (8) , (9) and (10)."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $21.835 to $22.83, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"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."}],"balance_after":3959159,"source":{"system":"sec-edgar","filing":"0000899243-21-046456","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924321046456/doc4.xml","form_type":"4"}},{"id":2490846,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-12-02T02:27:10.000Z","date":"2021-12-01","kind":"purchase","acquired":true,"shares":27716,"price":21.43,"value":593953.88,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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), (5), (6), (7), (8) , (9) and (10)."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $20.83 to $21.82, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"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."}],"balance_after":3835228,"source":{"system":"sec-edgar","filing":"0000899243-21-046456","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924321046456/doc4.xml","form_type":"4"}},{"id":2490845,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-12-02T02:27:10.000Z","date":"2021-11-30","kind":"purchase","acquired":true,"shares":56836,"price":20.96,"value":1191282.56,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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), (5), (6), (7), (8) , (9) and (10)."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $20.85 to $21.00, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"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."}],"balance_after":3807512,"source":{"system":"sec-edgar","filing":"0000899243-21-046456","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924321046456/doc4.xml","form_type":"4"}},{"id":2490844,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-12-02T02:27:10.000Z","date":"2021-11-30","kind":"purchase","acquired":true,"shares":94969,"price":20.4,"value":1937367.6,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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), (5), (6), (7), (8) , (9) and (10)."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $19.84 to $20.825, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"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."}],"balance_after":3750676,"source":{"system":"sec-edgar","filing":"0000899243-21-046456","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924321046456/doc4.xml","form_type":"4"}},{"id":2490843,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-12-02T02:27:10.000Z","date":"2021-11-30","kind":"purchase","acquired":true,"shares":72135,"price":19.44,"value":1402304.4,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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), (5), (6), (7), (8) , (9) and (10)."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $18.80 to $19.79, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"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."}],"balance_after":3655707,"source":{"system":"sec-edgar","filing":"0000899243-21-046456","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924321046456/doc4.xml","form_type":"4"}},{"id":2490842,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-12-02T02:27:10.000Z","date":"2021-11-29","kind":"purchase","acquired":true,"shares":2200,"price":19.06,"value":41932.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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), (5), (6), (7), (8) , (9) and (10)."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $19.05 to $19.06, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"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."}],"balance_after":3583572,"source":{"system":"sec-edgar","filing":"0000899243-21-046456","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924321046456/doc4.xml","form_type":"4"}},{"id":2490841,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-12-02T02:27:10.000Z","date":"2021-11-29","kind":"purchase","acquired":true,"shares":84254,"price":18.84,"value":1587345.36,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $18.05 to $19.03, inclusive."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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), (5), (6), (7), (8) , (9) and (10)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"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."}],"balance_after":3581372,"source":{"system":"sec-edgar","filing":"0000899243-21-046456","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924321046456/doc4.xml","form_type":"4"}},{"id":2538326,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-10-21T00:30:13.000Z","date":"2021-10-18","kind":"purchase","acquired":true,"shares":527048,"price":24,"value":12649152.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On September 2, 2021, the Reporting Person entered into a Stock Purchase Agreement to acquire these shares.  All material conditions to the completion of the purchase were satisfied as of October 18, 2021.  The closing of the stock purchase has not yet occurred."},{"field":"shares","element":"transactionShares","label":"F1","text":"On September 2, 2021, the Reporting Person entered into a Stock Purchase Agreement to acquire these shares.  All material conditions to the completion of the purchase were satisfied as of October 18, 2021.  The closing of the stock purchase has not yet occurred."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"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."}],"balance_after":3497118,"source":{"system":"sec-edgar","filing":"0000899243-21-040878","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924321040878/doc4.xml","form_type":"4"}},{"id":2630871,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series C Redeemable Convertible Preferred Stock","published_at":"2021-07-20T00:16:01.000Z","date":"2021-07-19","kind":"exercise","acquired":false,"shares":316228,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"This series of preferred stock has no expiration date and automatically converted into common stock on a 2 for 1 basis upon the closing of the Issuer's initial public offering."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This series of preferred stock has no expiration date and automatically converted into common stock on a 2 for 1 basis upon the closing of the Issuer's initial public offering."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This series of preferred stock has no expiration date and automatically converted into common stock on a 2 for 1 basis upon the closing of the Issuer's initial public offering."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"This series of preferred stock has no expiration date and automatically converted into common stock on a 2 for 1 basis upon the closing of the Issuer's initial public offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"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."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":632456},"source":{"system":"sec-edgar","filing":"0000899243-21-028879","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924321028879/doc4.xml","form_type":"4"}},{"id":2630870,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series C Redeemable Convertible Preferred Stock","published_at":"2021-07-20T00:16:01.000Z","date":"2021-07-19","kind":"exercise","acquired":false,"shares":661653,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"This series of preferred stock has no expiration date and automatically converted into common stock on a 2 for 1 basis upon the closing of the Issuer's initial public offering."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This series of preferred stock has no expiration date and automatically converted into common stock on a 2 for 1 basis upon the closing of the Issuer's initial public offering."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This series of preferred stock has no expiration date and automatically converted into common stock on a 2 for 1 basis upon the closing of the Issuer's initial public offering."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"This series of preferred stock has no expiration date and automatically converted into common stock on a 2 for 1 basis upon the closing of the Issuer's initial public offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"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."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1323306},"source":{"system":"sec-edgar","filing":"0000899243-21-028879","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924321028879/doc4.xml","form_type":"4"}},{"id":2630869,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series B Redeemable Convertible Preferred Stock","published_at":"2021-07-20T00:16:01.000Z","date":"2021-07-19","kind":"exercise","acquired":false,"shares":98745,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"This series of preferred stock has no expiration date and automatically converted into common stock on a 2 for 1 basis upon the closing of the Issuer's initial public offering."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This series of preferred stock has no expiration date and automatically converted into common stock on a 2 for 1 basis upon the closing of the Issuer's initial public offering."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This series of preferred stock has no expiration date and automatically converted into common stock on a 2 for 1 basis upon the closing of the Issuer's initial public offering."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"This series of preferred stock has no expiration date and automatically converted into common stock on a 2 for 1 basis upon the closing of the Issuer's initial public offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"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."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":197490},"source":{"system":"sec-edgar","filing":"0000899243-21-028879","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924321028879/doc4.xml","form_type":"4"}},{"id":2630868,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series A Redeemable Convertible Preferred Stock","published_at":"2021-07-20T00:16:01.000Z","date":"2021-07-19","kind":"exercise","acquired":false,"shares":724637,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"This series of preferred stock has no expiration date and automatically converted into common stock on a 2 for 1 basis upon the closing of the Issuer's initial public offering."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This series of preferred stock has no expiration date and automatically converted into common stock on a 2 for 1 basis upon the closing of the Issuer's initial public offering."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This series of preferred stock has no expiration date and automatically converted into common stock on a 2 for 1 basis upon the closing of the Issuer's initial public offering."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"This series of preferred stock has no expiration date and automatically converted into common stock on a 2 for 1 basis upon the closing of the Issuer's initial public offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"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."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1449274},"source":{"system":"sec-edgar","filing":"0000899243-21-028879","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924321028879/doc4.xml","form_type":"4"}},{"id":2630867,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-07-20T00:16:01.000Z","date":"2021-07-19","kind":"exercise","acquired":true,"shares":632456,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This series of preferred stock has no expiration date and automatically converted into common stock on a 2 for 1 basis upon the closing of the Issuer's initial public offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"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."}],"balance_after":632456,"source":{"system":"sec-edgar","filing":"0000899243-21-028879","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924321028879/doc4.xml","form_type":"4"}},{"id":2630866,"issuer":{"id":5537,"kind":"organization","name":"Sight Sciences, Inc.","symbol":"SGHT"},"owners":[{"id":39313,"kind":"person","name":"Encrantz Staffan","position":1,"cik":"0001870875","reported_name":"Encrantz Staffan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-07-20T00:16:01.000Z","date":"2021-07-19","kind":"exercise","acquired":true,"shares":2970070,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This series of preferred stock has no expiration date and automatically converted into common stock on a 2 for 1 basis upon the closing of the Issuer's initial public offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"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."}],"balance_after":2970070,"source":{"system":"sec-edgar","filing":"0000899243-21-028879","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1870875/000089924321028879/doc4.xml","form_type":"4"}}]}