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The price reported in Column 4 is a weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The reportable securities are owned directly by Hatteras Venture Partners III, LP (\"HVP\") and Hatteras Venture Affiliates III, LP (\"HVA\"). Hatteras Venture Advisors III, LLC is the general partner of HVP and HVA (the \"GP\"). The shares directly held by HVP and HVA are indirectly held by the individual managing members of GP (each, a \"GP Managing Member\" and collectively, the \"GP Managing Members\"). The GP Managing Members are John Crumpler, Clay Thorp, Ken Lee, Douglas Reed and Robert Ingram. The GP Managing Members may share voting and dispositive power over the securities directly held by HVP and HVA. Each GP Managing Member disclaims beneficial ownership of these securities and this report is not an admission that any GP Managing Member is a beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of his pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"HVP holds 1,611,407 shares and HVA holds 146,312 shares of the Issuer's common stock directly."}],"balance_after":1757719,"source":{"system":"sec-edgar","filing":"0001578563-17-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1674107/000157856317000002/primary_doc.xml","form_type":"4"}},{"id":4486680,"issuer":{"id":82875,"kind":"organization","name":"Clearside Biomedical, Inc.","symbol":"CLSD"},"owners":[{"id":162807,"kind":"organization","name":"Hatteras Venture Advisors III, LLC","position":1,"cik":"0001674177","reported_name":"Hatteras Venture Advisors III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"May be part of a 13(d) Group"}},{"id":162808,"kind":"organization","name":"Hatteras Ventures Partners III LP","position":2,"cik":"0001390733","reported_name":"Hatteras Ventures Partners III LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"May be part of a 13(d) Group"}},{"id":162809,"kind":"organization","name":"Hatteras Venture Affiliates III Lp","position":3,"cik":"0001390738","reported_name":"Hatteras Venture Affiliates III Lp","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"May be part of a 13(d) Group"}},{"id":162814,"kind":"person","name":"Crumpler John","position":4,"cik":"0001674107","reported_name":"Crumpler John","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"May be part of a 13(d) Group"}},{"id":16884,"kind":"person","name":"INGRAM ROBERT ALEXANDER","position":5,"cik":"0001219890","reported_name":"INGRAM ROBERT ALEXANDER","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"May be part of a 13(d) Group"}},{"id":112297,"kind":"person","name":"LEE KENNETH B JR","position":6,"cik":"0001208570","reported_name":"LEE KENNETH B JR","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"May be part of a 13(d) Group"}},{"id":162813,"kind":"person","name":"Reed Douglas MD","position":7,"cik":"0001291262","reported_name":"Reed Douglas MD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"May be part of a 13(d) Group"}},{"id":82876,"kind":"person","name":"Thorp Clay","position":8,"cik":"0001592380","reported_name":"Thorp Clay","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"May be part of a 13(d) Group"}}],"security":"Common Stock","published_at":"2017-01-19T17:53:47.000Z","date":"2017-01-18","kind":"sale","acquired":false,"shares":10457,"price":8.64,"value":90348.48,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $8.42 to $8.79. The price reported in Column 4 is a weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The reportable securities are owned directly by Hatteras Venture Partners III, LP (\"HVP\") and Hatteras Venture Affiliates III, LP (\"HVA\"). Hatteras Venture Advisors III, LLC is the general partner of HVP and HVA (the \"GP\"). The shares directly held by HVP and HVA are indirectly held by the individual managing members of GP (each, a \"GP Managing Member\" and collectively, the \"GP Managing Members\"). The GP Managing Members are John Crumpler, Clay Thorp, Ken Lee, Douglas Reed and Robert Ingram. The GP Managing Members may share voting and dispositive power over the securities directly held by HVP and HVA. Each GP Managing Member disclaims beneficial ownership of these securities and this report is not an admission that any GP Managing Member is a beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of his pecuniary interest therein."}],"balance_after":1764197,"source":{"system":"sec-edgar","filing":"0001578563-17-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1674107/000157856317000002/primary_doc.xml","form_type":"4"}},{"id":4486679,"issuer":{"id":82875,"kind":"organization","name":"Clearside Biomedical, Inc.","symbol":"CLSD"},"owners":[{"id":162807,"kind":"organization","name":"Hatteras Venture Advisors III, LLC","position":1,"cik":"0001674177","reported_name":"Hatteras Venture Advisors III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"May be part of a 13(d) Group"}},{"id":162808,"kind":"organization","name":"Hatteras Ventures Partners III LP","position":2,"cik":"0001390733","reported_name":"Hatteras Ventures Partners III LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"May be part of a 13(d) Group"}},{"id":162809,"kind":"organization","name":"Hatteras Venture Affiliates III Lp","position":3,"cik":"0001390738","reported_name":"Hatteras Venture Affiliates III Lp","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"May be part of a 13(d) Group"}},{"id":162814,"kind":"person","name":"Crumpler John","position":4,"cik":"0001674107","reported_name":"Crumpler John","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"May be part of a 13(d) Group"}},{"id":16884,"kind":"person","name":"INGRAM ROBERT ALEXANDER","position":5,"cik":"0001219890","reported_name":"INGRAM ROBERT ALEXANDER","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"May be part of a 13(d) Group"}},{"id":112297,"kind":"person","name":"LEE KENNETH B JR","position":6,"cik":"0001208570","reported_name":"LEE KENNETH B JR","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"May be part of a 13(d) Group"}},{"id":162813,"kind":"person","name":"Reed Douglas MD","position":7,"cik":"0001291262","reported_name":"Reed Douglas MD","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"May be part of a 13(d) Group"}},{"id":82876,"kind":"person","name":"Thorp Clay","position":8,"cik":"0001592380","reported_name":"Thorp Clay","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"May be part of a 13(d) Group"}}],"security":"Common Stock","published_at":"2017-01-19T17:53:47.000Z","date":"2017-01-17","kind":"sale","acquired":false,"shares":8366,"price":8.92,"value":74624.72,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades at prices ranging from $8.68 to $9.22. The price reported in Column 4 is a weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The reportable securities are owned directly by Hatteras Venture Partners III, LP (\"HVP\") and Hatteras Venture Affiliates III, LP (\"HVA\"). Hatteras Venture Advisors III, LLC is the general partner of HVP and HVA (the \"GP\"). The shares directly held by HVP and HVA are indirectly held by the individual managing members of GP (each, a \"GP Managing Member\" and collectively, the \"GP Managing Members\"). The GP Managing Members are John Crumpler, Clay Thorp, Ken Lee, Douglas Reed and Robert Ingram. The GP Managing Members may share voting and dispositive power over the securities directly held by HVP and HVA. Each GP Managing Member disclaims beneficial ownership of these securities and this report is not an admission that any GP Managing Member is a beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of his pecuniary interest therein."}],"balance_after":1774654,"source":{"system":"sec-edgar","filing":"0001578563-17-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1674107/000157856317000002/primary_doc.xml","form_type":"4"}}]}