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The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\" transaction and does not represent a discretionary transaction by the Reporting Person."}],"balance_after":269026,"source":{"system":"sec-edgar","filing":"0001628280-25-041688","document":"wk-form4_1757029236.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1449439/000162828025041688/wk-form4_1757029236.xml","form_type":"4"}},{"id":1113128,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":2550,"kind":"person","name":"Kim Paul","position":1,"cik":"0001253820","reported_name":"Kim Paul","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option(right to buy)","published_at":"2025-06-13T00:32:07.000Z","date":"2025-06-10","kind":"grant","planned":false,"acquired":true,"shares":9000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The entire number of shares subject to this option becomes fully vested and exercisable on the first to occur of (a) the first anniversary of the grant date or (b) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continued service on the board of directors of the Issuer through such vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"On June 12, 2025, the reporting person filed a Form 4 which inadvertently reported that, following his grant of 9,000 stock options, he beneficially owned 18,000 stock options. In fact, as reported in this amendment, the reporting person beneficially owned 9,000 stock options."}],"balance_after":9000,"derivative":{"exercise_price":7.36,"expiration_date":"2035-06-09","underlying":"Common Stock","underlying_shares":9000},"source":{"system":"sec-edgar","filing":"0001274737-25-000051","document":"wk-form4a_1749774721.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000127473725000051/wk-form4a_1749774721.xml","form_type":"4/A","original_submission_date":"2025-06-12"}},{"id":1113126,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":22194,"kind":"person","name":"Stokes Frank","position":1,"cik":"0001782815","reported_name":"Stokes Frank","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option(right to buy)","published_at":"2025-06-12T22:49:00.000Z","date":"2025-06-10","kind":"grant","planned":false,"acquired":true,"shares":9000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The entire number of shares subject to this option becomes fully vested and exercisable on the first to occur of (a) the first anniversary of the grant date or (b) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continued service on the board of directors of the Issuer through such vesting date."}],"balance_after":9000,"derivative":{"exercise_price":7.36,"expiration_date":"2035-06-09","underlying":"Common Stock","underlying_shares":9000},"source":{"system":"sec-edgar","filing":"0001274737-25-000048","document":"wk-form4_1749768534.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000127473725000048/wk-form4_1749768534.xml","form_type":"4"}},{"id":1113127,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":2550,"kind":"person","name":"Kim Paul","position":1,"cik":"0001253820","reported_name":"Kim Paul","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option(right to buy)","published_at":"2025-06-12T21:57:17.000Z","date":"2025-06-10","kind":"grant","planned":false,"acquired":true,"shares":9000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The entire number of shares subject to this option becomes fully vested and exercisable on the first to occur of (a) the first anniversary of the grant date or (b) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continued service on the board of directors of the Issuer through such vesting date."}],"balance_after":18000,"derivative":{"exercise_price":7.36,"expiration_date":"2035-06-09","underlying":"Common Stock","underlying_shares":9000},"source":{"system":"sec-edgar","filing":"0001274737-25-000046","document":"wk-form4_1749765431.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000127473725000046/wk-form4_1749765431.xml","form_type":"4"}},{"id":1113125,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":36297,"kind":"person","name":"KAHN SCOTT D","position":1,"cik":"0001198577","reported_name":"KAHN SCOTT D","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option(right to buy)","published_at":"2025-06-12T21:50:58.000Z","date":"2025-06-10","kind":"grant","planned":false,"acquired":true,"shares":9000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"1. The entire number of shares subject to this option becomes fully vested and exercisable on the first to occur of (a) the first anniversary of the grant date or (b) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continued service on the board of directors of the Issuer through such vesting date."}],"balance_after":9000,"derivative":{"exercise_price":7.36,"expiration_date":"2035-06-09","underlying":"Common Stock","underlying_shares":9000},"source":{"system":"sec-edgar","filing":"0001274737-25-000042","document":"wk-form4_1749765053.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000127473725000042/wk-form4_1749765053.xml","form_type":"4"}},{"id":1113124,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":78549,"kind":"person","name":"Hooker Ana","position":1,"cik":"0001774825","reported_name":"Hooker Ana","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option(right to buy)","published_at":"2025-06-12T21:48:10.000Z","date":"2025-06-10","kind":"grant","planned":false,"acquired":true,"shares":9000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The entire number of shares subject to this option becomes fully vested and exercisable on the first to occur of (a) the first anniversary of the grant date or (b) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continued service on the board of directors of the Issuer through such vesting date."}],"balance_after":9000,"derivative":{"exercise_price":7.36,"expiration_date":"2035-06-09","underlying":"Common Stock","underlying_shares":9000},"source":{"system":"sec-edgar","filing":"0001274737-25-000040","document":"wk-form4_1749764884.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000127473725000040/wk-form4_1749764884.xml","form_type":"4"}},{"id":1113156,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":40442,"kind":"person","name":"Nova Tina Susan","position":1,"cik":"0001302605","reported_name":"Nova Tina Susan","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option(right to buy)","published_at":"2025-06-12T21:45:32.000Z","date":"2025-06-10","kind":"grant","planned":false,"acquired":true,"shares":13500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The entire number of shares subject to this option becomes fully vested and exercisable on the first to occur of (a) the first anniversary of the grant date or (b) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continued service on the board of directors of the Issuer through such vesting date."}],"balance_after":13500,"derivative":{"exercise_price":7.36,"expiration_date":"2035-06-09","underlying":"Common Stock","underlying_shares":13500},"source":{"system":"sec-edgar","filing":"0001274737-25-000038","document":"wk-form4_1749764726.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1302605/000127473725000038/wk-form4_1749764726.xml","form_type":"4"}},{"id":1189662,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":81472,"kind":"organization","name":"NMSIC Co-Investment Fund, L.P.","position":1,"cik":"0001788331","reported_name":"NMSIC Co-Investment Fund, L.P.","relationship":{"ten_percent_owner":true}},{"id":81473,"kind":"organization","name":"Sun Mountain Capital Partners LLC","position":2,"cik":"0001788530","reported_name":"Sun Mountain Capital Partners LLC","relationship":{"ten_percent_owner":true}}],"security":"Common Stock","published_at":"2025-03-27T20:15:57.000Z","date":"2025-03-25","kind":"sale","planned":false,"acquired":false,"shares":350000,"price":3.3,"value":1155000.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The shares reported on this form are held of record by NMSIC Co-Investment Fund, L.P. (\"NMSIC\"). Sun Mountain Capital Partners LLC (\"Sun Mountain\") is the general partner of NMSIC. The controlling members of Sun Mountain are Brian Birk, Sally Coming and Lee Rand. As such, each of these entities and individuals may be deemed to share beneficial ownership of the shares held of record by NMSIC. Each of Sun Mountain, Mr. Birk, Ms. Coming and Mr. Rand disclaims beneficial ownership of the securities held of record by NMSIC."}],"balance_after":1758958,"source":{"system":"sec-edgar","filing":"0001140361-25-010700","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000114036125010700/form4.xml","form_type":"4"}},{"id":1227438,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":60594,"kind":"person","name":"ABALLI JOHN","position":1,"cik":"0001843113","reported_name":"ABALLI JOHN","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2025-03-04T23:48:32.000Z","date":"2025-02-28","kind":"grant","planned":false,"acquired":true,"shares":8621,"price":2.465,"value":21250.765,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The reporting person is voluntarily reporting the acquisition of the Issuer's common stock pursuant to the Employee Stock Purchase Plan (\"ESPP\")."},{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares of common stock purchased through ESPP in transactions that were exempt under both Rule 16b-3(d) and Rule 16b-3(c)."}],"balance_after":746214,"source":{"system":"sec-edgar","filing":"0001274737-25-000013","document":"wk-form4_1741132105.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000127473725000013/wk-form4_1741132105.xml","form_type":"4"}},{"id":1245659,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":60594,"kind":"person","name":"ABALLI JOHN","position":1,"cik":"0001843113","reported_name":"ABALLI JOHN","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option(right to buy)","published_at":"2025-02-26T01:59:07.000Z","date":"2025-02-21","kind":"grant","planned":false,"acquired":true,"shares":75000,"price":3.58,"value":268500.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option is exercisable as it vests. 25% of the shares subject to the option vest on February 21, 2026, and 1/48th of the total number of shares subject to the option vest at the end of each calendar month thereafter, subject to the Reporting Person's continued service to the Issuer through each such vesting date. In addition, the stock option may become fully vested upon a qualifying termination of employment in connection with a change in control."}],"balance_after":75000,"derivative":{"exercise_price":3.58,"expiration_date":"2035-02-20","underlying":"Common Stock","underlying_shares":75000},"source":{"system":"sec-edgar","filing":"0001274737-25-000010","document":"wk-form4_1740535140.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000127473725000010/wk-form4_1740535140.xml","form_type":"4"}},{"id":1245658,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":60594,"kind":"person","name":"ABALLI JOHN","position":1,"cik":"0001843113","reported_name":"ABALLI JOHN","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2025-02-26T01:59:07.000Z","date":"2025-02-21","kind":"grant","planned":false,"acquired":true,"shares":112500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The securities awarded are in the form of restricted stock units under the issuer's 2019 Incentive Award Plan. Each restricted stock unit represents a contingent right to receive one share of the Issuer's  common stock. The restricted stock unit will vest with respect to 25% of the restricted stock units on each of the first, second, third and fourth anniversaries of February 21, 2025, subject to the Reporting Person's continued service through the applicable vesting date. In addition, the award may become fully vested upon a qualifying termination of employment in connection with a change in control."}],"balance_after":737593,"source":{"system":"sec-edgar","filing":"0001274737-25-000010","document":"wk-form4_1740535140.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000127473725000010/wk-form4_1740535140.xml","form_type":"4"}},{"id":1245932,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":936,"kind":"person","name":"Black Jeffrey G.","position":1,"cik":"0001449439","reported_name":"Black Jeffrey G.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option(right to buy)","published_at":"2025-02-25T20:59:29.000Z","date":"2025-02-21","kind":"grant","planned":false,"acquired":true,"shares":10000,"price":3.58,"value":35800.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option is exercisable as it vests. 25% of the shares subject to the option vest on February 21, 2026, and 1/48th of the total number of shares subject to the option vest at the end of each calendar month thereafter, subject to the Reporting Person's continued service to the Issuer through each such vesting date. In addition, the stock option may become fully vested upon a qualifying termination of employment in connection with a change in control."}],"balance_after":10000,"derivative":{"exercise_price":3.58,"expiration_date":"2035-02-20","underlying":"Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0001274737-25-000011","document":"wk-form4_1740535163.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1449439/000127473725000011/wk-form4_1740535163.xml","form_type":"4"}},{"id":1245931,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":936,"kind":"person","name":"Black Jeffrey G.","position":1,"cik":"0001449439","reported_name":"Black Jeffrey G.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2025-02-25T20:59:29.000Z","date":"2025-02-21","kind":"grant","planned":false,"acquired":true,"shares":15000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The securities awarded are in the form of restricted stock units under the issuer's 2019 Incentive Award Plan. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock unit will vest with respect to 25% of the restricted stock units on each of the first, second, third and fourth anniversaries of February 21, 2025, subject to the Reporting Person's continued service through the applicable vesting date. In addition, the award may become fully vested upon a qualifying termination of employment in connection with a change in control."}],"balance_after":289492,"source":{"system":"sec-edgar","filing":"0001274737-25-000011","document":"wk-form4_1740535163.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1449439/000127473725000011/wk-form4_1740535163.xml","form_type":"4"}},{"id":1349097,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":81472,"kind":"organization","name":"NMSIC Co-Investment Fund, L.P.","position":1,"cik":"0001788331","reported_name":"NMSIC Co-Investment Fund, L.P.","relationship":{"ten_percent_owner":true}},{"id":81473,"kind":"organization","name":"Sun Mountain Capital Partners LLC","position":2,"cik":"0001788530","reported_name":"Sun Mountain Capital Partners LLC","relationship":{"ten_percent_owner":true}}],"security":"Common Stock","published_at":"2024-11-27T21:18:57.000Z","date":"2024-11-20","kind":"sale","planned":false,"acquired":false,"shares":200000,"price":3.3002,"value":660040.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The shares reported on this form are held of record by NMSIC Co-Investment Fund, L.P. (\"NMSIC\"). Sun Mountain Capital Partners LLC (\"Sun Mountain\") is the general partner of NMSIC. The controlling members of Sun Mountain are Brian Birk, Sally Coming and Lee Rand. As such, each of these entities and individuals may be deemed to share beneficial ownership of the shares held of record by NMSIC. Each of Sun Mountain, Mr. Birk, Ms. Coming and Mr. Rand disclaims beneficial ownership of the securities held of record by NMSIC."}],"balance_after":2108958,"source":{"system":"sec-edgar","filing":"0001140361-24-047978","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000114036124047978/form4.xml","form_type":"4"}},{"id":1358937,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":936,"kind":"person","name":"Black Jeffrey G.","position":1,"cik":"0001449439","reported_name":"Black Jeffrey G.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2024-11-19T19:24:38.000Z","date":"2024-11-15","kind":"purchase","planned":false,"acquired":true,"shares":22298,"price":2.98,"value":66448.04,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.84 to $3.25, inclusive. The reporting person undertakes to provide Exagen Inc., any security holder of Exagen Inc., 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 footnote (1) to this form 4."}],"balance_after":274492,"source":{"system":"sec-edgar","filing":"0001274737-24-000096","document":"wk-form4_1732062271.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1449439/000127473724000096/wk-form4_1732062271.xml","form_type":"4"}},{"id":1361582,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":60594,"kind":"person","name":"ABALLI JOHN","position":1,"cik":"0001843113","reported_name":"ABALLI JOHN","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2024-11-18T23:32:33.000Z","date":"2024-11-14","kind":"purchase","planned":false,"acquired":true,"shares":24305,"price":2.81,"value":68297.05,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.72 to $2.94, inclusive. 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Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock unit will vest with respect to 25% of the restricted stock units on each of the first, second, third and fourth anniversaries of September 1, 2024, subject to the Reporting Person's continued service through the applicable vesting date. 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fully vested and exercisable on the first to occur of (a) the first anniversary of the grant date or (b) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continued service on the board of directors of the Issuer through such vesting date."}],"balance_after":9000,"derivative":{"exercise_price":5.25,"expiration_date":"2032-06-15","underlying":"Common Stock","underlying_shares":9000},"source":{"system":"sec-edgar","filing":"0001274737-22-000040","document":"wf-form4_165581472086924.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000127473722000040/wf-form4_165581472086924.xml","form_type":"4"}},{"id":2225430,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":112387,"kind":"person","name":"Johnson Wendy S.","position":1,"cik":"0001652822","reported_name":"Johnson Wendy S.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option(right to buy)","published_at":"2022-06-21T08:34:01.000Z","date":"2022-06-16","kind":"grant","acquired":true,"shares":9000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The entire number of shares subject to this option becomes fully vested and exercisable on the first to occur of (a) the first anniversary of the grant date or (b) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continued service on the board of directors of the Issuer through such vesting date."}],"balance_after":9000,"derivative":{"exercise_price":5.25,"expiration_date":"2032-06-15","underlying":"Common 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Reporting Person to satisfy the tax withholding obligations that arose upon the vesting of certain restricted stock units granted on February 23, 2021."}],"balance_after":84259,"source":{"system":"sec-edgar","filing":"0001274737-22-000019","document":"wf-form4_164625724694463.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1807743/000127473722000019/wf-form4_164625724694463.xml","form_type":"4"}},{"id":2360063,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":69242,"kind":"person","name":"Adawi Kamal","position":1,"cik":"0001788393","reported_name":"Adawi Kamal","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO and Corporate Secretary"}}],"security":"Common 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2021."}],"balance_after":120678,"source":{"system":"sec-edgar","filing":"0001274737-22-000016","document":"wf-form4_164625703760601.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1492734/000127473722000016/wf-form4_164625703760601.xml","form_type":"4"}},{"id":2361292,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":116039,"kind":"person","name":"Hazeltine Mark","position":1,"cik":"0001852986","reported_name":"Hazeltine Mark","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2022-03-02T16:40:07.000Z","date":"2022-03-01","kind":"tax_withholding","acquired":false,"shares":3241,"price":7.12,"value":23075.92,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares were withheld from the Reporting Person to satisfy the tax withholding obligations that arose upon the vesting of certain restricted stock units granted on February 23, 2021."}],"balance_after":99693,"source":{"system":"sec-edgar","filing":"0001274737-22-000018","document":"wf-form4_164625718287172.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1852986/000127473722000018/wf-form4_164625718287172.xml","form_type":"4"}},{"id":2408532,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":25877,"kind":"person","name":"Zack Debra","position":1,"cik":"0001807743","reported_name":"Zack Debra","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2022-02-08T21:23:02.000Z","date":"2022-02-04","kind":"grant","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 50,000 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock unit will vest with respect to 25% of the restricted stock units on each of the first, second, third and fourth anniversaries of February 4, 2022, subject to the Reporting Person's continued service through the applicable vesting date. In addition, the award may become fully vested upon a qualifying termination of employment in connection with a change in control."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents 50,000 shares of restricted stock units granted on February 4, 2022 and 37,500 shares of restricted stock units granted on February 23, 2021."}],"balance_after":87500,"source":{"system":"sec-edgar","filing":"0001274737-22-000011","document":"wf-form4_164435534136243.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1807743/000127473722000011/wf-form4_164435534136243.xml","form_type":"4"}},{"id":2408058,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":69242,"kind":"person","name":"Adawi Kamal","position":1,"cik":"0001788393","reported_name":"Adawi Kamal","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO and Corporate Secretary"}}],"security":"Common Stock","published_at":"2022-02-08T21:20:47.000Z","date":"2022-02-04","kind":"grant","acquired":true,"shares":63500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 63,500 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock unit will vest with respect to 25% of the restricted stock units on each of the first, second, third and fourth anniversaries of February 4, 2022, subject to the Reporting Person's continued service through the applicable vesting date. In addition, the award may become fully vested upon a qualifying termination of employment in connection with a change in control."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents 63,500 shares of restricted stock units granted on February 4, 2022 and 37,500 shares of restricted stock units granted on February 23, 2021."}],"balance_after":101000,"source":{"system":"sec-edgar","filing":"0001274737-22-000009","document":"wf-form4_164435521542460.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000127473722000009/wf-form4_164435521542460.xml","form_type":"4"}},{"id":2408335,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":21449,"kind":"person","name":"Rocca Fortunato R.","position":1,"cik":"0001492734","reported_name":"Rocca Fortunato R.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2022-02-08T21:19:37.000Z","date":"2022-02-04","kind":"grant","acquired":true,"shares":75000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 75,000 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock unit will vest with respect to 25% of the restricted stock units on each of the first, second, third and fourth anniversaries of February 4, 2022, subject to the Reporting Person's continued service through the applicable vesting date. In addition, the award may become fully vested upon a qualifying termination of employment in connection with a change in control."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents 75,000 shares of restricted stock units granted on February 4, 2022 and 50,000 shares of restricted stock units granted on February 23, 2021."}],"balance_after":125000,"source":{"system":"sec-edgar","filing":"0001274737-22-000008","document":"wf-form4_164435515279183.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1492734/000127473722000008/wf-form4_164435515279183.xml","form_type":"4"}},{"id":2408618,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":116039,"kind":"person","name":"Hazeltine Mark","position":1,"cik":"0001852986","reported_name":"Hazeltine Mark","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2022-02-08T16:21:48.000Z","date":"2022-02-04","kind":"grant","acquired":true,"shares":63500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 63,500 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock unit will vest with respect to 25% of the restricted stock units on each of the first, second, third and fourth anniversaries of February 4, 2022, subject to the Reporting Person's continued service through the applicable vesting date. In addition, the award may become fully vested upon a qualifying termination of employment in connection with a change in control."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents 63,500 shares of restricted stock units granted on February 4, 2022, 37,500 shares of restricted stock units granted on February 23, 2021 and 1,934 shares of common stock."}],"balance_after":102934,"source":{"system":"sec-edgar","filing":"0001274737-22-000010","document":"wf-form4_164435529026997.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1852986/000127473722000010/wf-form4_164435529026997.xml","form_type":"4"}},{"id":2577236,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":112387,"kind":"person","name":"Johnson Wendy S.","position":1,"cik":"0001652822","reported_name":"Johnson Wendy S.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-09-07T08:25:27.000Z","date":"2021-09-03","kind":"purchase","acquired":true,"shares":1000,"price":14.02,"value":14020.0,"ownership":{"direct":true},"balance_after":1000,"source":{"system":"sec-edgar","filing":"0001274737-21-000101","document":"wf-form4_163101751499196.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1652822/000127473721000101/wf-form4_163101751499196.xml","form_type":"4"}},{"id":2611291,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":750,"kind":"person","name":"TULLIS JAMES L L","position":1,"cik":"0001230641","reported_name":"TULLIS JAMES L L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-08-06T20:15:26.000Z","date":"2021-08-05","kind":"sale","acquired":false,"shares":6800,"price":10.7151,"value":72862.68,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These sales were effected by Tullis Growth Fund, L.P. (\"Tullis Growth\") pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.47 to $11.40, 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 sold at each separate price within the range."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The shares reported on this form are held of record by Tullis-Dickerson Capital Focus III, L.P. (\"Tullis\"), Tullis Growth and Tullis Growth Fund II, L.P. (\"Tullis Growth II\"). Tullis-Dickerson Partners III, LLC (\"Tullis Partners\") is the general partner of Tullis and may be deemed to beneficially own the securities held by Tullis. Tullis Growth Partners, LLC and Tullis Growth Partners II, LLC are the general partners of Tullis Growth and Tullis Growth II, respectively, and may be deemed to beneficially own the securities held by Tullis Growth and Tullis Growth II. James L.L. Tullis is a Principal of each of the foregoing entities and may be deemed to possess voting and investment control over, and may be deemed to have an indirect beneficial ownership with respect to, the shares held by Tullis, Tullis Growth and Tullis Growth II."}],"balance_after":1515672,"source":{"system":"sec-edgar","filing":"0000899243-21-031918","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000089924321031918/doc4.xml","form_type":"4"}},{"id":2614578,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":750,"kind":"person","name":"TULLIS JAMES L L","position":1,"cik":"0001230641","reported_name":"TULLIS JAMES L L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-08-04T22:29:03.000Z","date":"2021-08-04","kind":"sale","acquired":false,"shares":2100,"price":11.3891,"value":23917.11,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These sales were effected by Tullis Growth Fund, L.P. (\"Tullis Growth\") pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.26 to $11.61, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The shares reported on this form are held of record by Tullis-Dickerson Capital Focus III, L.P. (\"Tullis\"), Tullis Growth and Tullis Growth Fund II, L.P. (\"Tullis Growth II\"). Tullis-Dickerson Partners III, LLC (\"Tullis Partners\") is the general partner of Tullis and may be deemed to beneficially own the securities held by Tullis. Tullis Growth Partners, LLC and Tullis Growth Partners II, LLC are the general partners of Tullis Growth and Tullis Growth II, respectively, and may be deemed to beneficially own the securities held by Tullis Growth and Tullis Growth II. James L.L. Tullis is a Principal of each of the foregoing entities and may be deemed to possess voting and investment control over, and may be deemed to have an indirect beneficial ownership with respect to, the shares held by Tullis, Tullis Growth and Tullis Growth II."}],"balance_after":1522472,"source":{"system":"sec-edgar","filing":"0000899243-21-031644","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000089924321031644/doc4.xml","form_type":"4"}},{"id":2614577,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":750,"kind":"person","name":"TULLIS JAMES L L","position":1,"cik":"0001230641","reported_name":"TULLIS JAMES L L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-08-04T22:29:03.000Z","date":"2021-08-03","kind":"sale","acquired":false,"shares":4300,"price":11.7716,"value":50617.88,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These sales were effected by Tullis Growth Fund, L.P. (\"Tullis Growth\") pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.65 to $12.07, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The shares reported on this form are held of record by Tullis-Dickerson Capital Focus III, L.P. (\"Tullis\"), Tullis Growth and Tullis Growth Fund II, L.P. (\"Tullis Growth II\"). Tullis-Dickerson Partners III, LLC (\"Tullis Partners\") is the general partner of Tullis and may be deemed to beneficially own the securities held by Tullis. Tullis Growth Partners, LLC and Tullis Growth Partners II, LLC are the general partners of Tullis Growth and Tullis Growth II, respectively, and may be deemed to beneficially own the securities held by Tullis Growth and Tullis Growth II. James L.L. Tullis is a Principal of each of the foregoing entities and may be deemed to possess voting and investment control over, and may be deemed to have an indirect beneficial ownership with respect to, the shares held by Tullis, Tullis Growth and Tullis Growth II."}],"balance_after":1524572,"source":{"system":"sec-edgar","filing":"0000899243-21-031644","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000089924321031644/doc4.xml","form_type":"4"}},{"id":2614576,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":750,"kind":"person","name":"TULLIS JAMES L L","position":1,"cik":"0001230641","reported_name":"TULLIS JAMES L L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-08-04T22:29:03.000Z","date":"2021-08-02","kind":"sale","acquired":false,"shares":1800,"price":11.9191,"value":21454.38,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These sales were effected by Tullis Growth Fund, L.P. (\"Tullis Growth\") pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.68 to $12.11, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The shares reported on this form are held of record by Tullis-Dickerson Capital Focus III, L.P. (\"Tullis\"), Tullis Growth and Tullis Growth Fund II, L.P. (\"Tullis Growth II\"). Tullis-Dickerson Partners III, LLC (\"Tullis Partners\") is the general partner of Tullis and may be deemed to beneficially own the securities held by Tullis. Tullis Growth Partners, LLC and Tullis Growth Partners II, LLC are the general partners of Tullis Growth and Tullis Growth II, respectively, and may be deemed to beneficially own the securities held by Tullis Growth and Tullis Growth II. James L.L. Tullis is a Principal of each of the foregoing entities and may be deemed to possess voting and investment control over, and may be deemed to have an indirect beneficial ownership with respect to, the shares held by Tullis, Tullis Growth and Tullis Growth II."}],"balance_after":1528872,"source":{"system":"sec-edgar","filing":"0000899243-21-031644","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000089924321031644/doc4.xml","form_type":"4"}},{"id":2621111,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":78549,"kind":"person","name":"Hooker Ana","position":1,"cik":"0001774825","reported_name":"Hooker Ana","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option(right to buy)","published_at":"2021-07-30T12:27:19.000Z","date":"2021-07-29","kind":"grant","acquired":true,"shares":15000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option is exercisable as it vests. The total number of shares of common stock subject to the option vests in 36 equal monthly installments over the three-year period beginning on August 29, 2021, subject to the Reporting Person's continued service to the Issuer through each such vesting date."}],"balance_after":15000,"derivative":{"exercise_price":12.28,"expiration_date":"2031-07-28","underlying":"Common Stock","underlying_shares":15000},"source":{"system":"sec-edgar","filing":"0001274737-21-000087","document":"wf-form4_162764802438621.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000127473721000087/wf-form4_162764802438621.xml","form_type":"4"}},{"id":2651489,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":750,"kind":"person","name":"TULLIS JAMES L L","position":1,"cik":"0001230641","reported_name":"TULLIS JAMES L L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-29T21:10:27.000Z","date":"2021-06-29","kind":"sale","acquired":false,"shares":5379,"price":14.6701,"value":78910.4679,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These sales were effected by Tullis Growth Fund, L.P. (\"Tullis Growth\") pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.48 to $15.04, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The shares reported on this form are held of record by Tullis-Dickerson Capital Focus III, L.P. (\"Tullis\"), Tullis Growth and Tullis Growth Fund II, L.P. (\"Tullis Growth II\"). Tullis-Dickerson Partners III, LLC (\"Tullis Partners\") is the general partner of Tullis and may be deemed to beneficially own the securities held by Tullis. Tullis Growth Partners, LLC and Tullis Growth Partners II, LLC are the general partners of Tullis Growth and Tullis Growth II, respectively, and may be deemed to beneficially own the securities held by Tullis Growth and Tullis Growth II. James L.L. Tullis is a Principal of each of the foregoing entities and may be deemed to possess voting and investment control over, and may be deemed to have an indirect beneficial ownership with respect to, the shares held by Tullis, Tullis Growth and Tullis Growth II."}],"balance_after":1530672,"source":{"system":"sec-edgar","filing":"0000899243-21-026584","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000089924321026584/doc4.xml","form_type":"4"}},{"id":2651488,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":750,"kind":"person","name":"TULLIS JAMES L L","position":1,"cik":"0001230641","reported_name":"TULLIS JAMES L L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-29T21:10:27.000Z","date":"2021-06-28","kind":"sale","acquired":false,"shares":10858,"price":14.984,"value":162696.272,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These sales were effected by Tullis Growth Fund, L.P. (\"Tullis Growth\") pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.55 to $15.34, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The shares reported on this form are held of record by Tullis-Dickerson Capital Focus III, L.P. (\"Tullis\"), Tullis Growth and Tullis Growth Fund II, L.P. (\"Tullis Growth II\"). Tullis-Dickerson Partners III, LLC (\"Tullis Partners\") is the general partner of Tullis and may be deemed to beneficially own the securities held by Tullis. Tullis Growth Partners, LLC and Tullis Growth Partners II, LLC are the general partners of Tullis Growth and Tullis Growth II, respectively, and may be deemed to beneficially own the securities held by Tullis Growth and Tullis Growth II. James L.L. Tullis is a Principal of each of the foregoing entities and may be deemed to possess voting and investment control over, and may be deemed to have an indirect beneficial ownership with respect to, the shares held by Tullis, Tullis Growth and Tullis Growth II."}],"balance_after":1536051,"source":{"system":"sec-edgar","filing":"0000899243-21-026584","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000089924321026584/doc4.xml","form_type":"4"}},{"id":2651487,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":750,"kind":"person","name":"TULLIS JAMES L L","position":1,"cik":"0001230641","reported_name":"TULLIS JAMES L L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-29T21:10:27.000Z","date":"2021-06-25","kind":"sale","acquired":false,"shares":8763,"price":16.0337,"value":140503.3131,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These sales were effected by Tullis Growth Fund, L.P. 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Tullis Growth Partners, LLC and Tullis Growth Partners II, LLC are the general partners of Tullis Growth and Tullis Growth II, respectively, and may be deemed to beneficially own the securities held by Tullis Growth and Tullis Growth II. James L.L. Tullis is a Principal of each of the foregoing entities and may be deemed to possess voting and investment control over, and may be deemed to have an indirect beneficial ownership with respect to, the shares held by Tullis, Tullis Growth and Tullis Growth II."}],"balance_after":1546909,"source":{"system":"sec-edgar","filing":"0000899243-21-026584","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000089924321026584/doc4.xml","form_type":"4"}},{"id":2660601,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":112380,"kind":"person","name":"PALLARES EBETUEL","position":1,"cik":"0001614597","reported_name":"PALLARES EBETUEL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option(right to buy)","published_at":"2021-06-21T12:39:33.000Z","date":"2021-06-17","kind":"grant","acquired":true,"shares":9000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The entire number of shares subject to this option becomes fully vested and exercisable on the first to occur of (a) the first anniversary of the grant date or (b) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continued service on the board of directors of the Issuer through such vesting date."}],"balance_after":9000,"derivative":{"exercise_price":16.41,"expiration_date":"2031-06-16","underlying":"Common Stock","underlying_shares":9000},"source":{"system":"sec-edgar","filing":"0001274737-21-000078","document":"wf-form4_162427916173757.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000127473721000078/wf-form4_162427916173757.xml","form_type":"4"}},{"id":2660606,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":22194,"kind":"person","name":"Stokes Frank","position":1,"cik":"0001782815","reported_name":"Stokes Frank","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option(right to buy)","published_at":"2021-06-21T12:39:19.000Z","date":"2021-06-17","kind":"grant","acquired":true,"shares":15000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option is exercisable as it vests. The total number of shares of common stock subject to the option vests in 36 equal monthly installments over the three-year period beginning on July 17, 2021, subject to the Reporting Person's continued service to the Issuer through each such vesting date."}],"balance_after":15000,"derivative":{"exercise_price":16.41,"expiration_date":"2031-06-16","underlying":"Common Stock","underlying_shares":15000},"source":{"system":"sec-edgar","filing":"0001274737-21-000077","document":"wf-form4_162427914687839.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000127473721000077/wf-form4_162427914687839.xml","form_type":"4"}},{"id":2660655,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":20301,"kind":"person","name":"Robertson Bruce C","position":1,"cik":"0001289625","reported_name":"Robertson Bruce 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becomes fully vested and exercisable on the first to occur of (a) the first anniversary of the grant date or (b) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continued service on the board of directors of the Issuer through such vesting date."}],"balance_after":9000,"derivative":{"exercise_price":16.41,"expiration_date":"2031-06-16","underlying":"Common Stock","underlying_shares":9000},"source":{"system":"sec-edgar","filing":"0001274737-21-000075","document":"wf-form4_162427911766120.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1302605/000127473721000075/wf-form4_162427911766120.xml","form_type":"4"}},{"id":2660600,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":112381,"kind":"person","name":"Birk Brian","position":1,"cik":"0001616007","reported_name":"Birk 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becomes fully vested and exercisable on the first to occur of (a) the first anniversary of the grant date or (b) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continued service on the board of directors of the Issuer through such vesting date."}],"balance_after":9000,"derivative":{"exercise_price":16.41,"expiration_date":"2031-06-16","underlying":"Common Stock","underlying_shares":9000},"source":{"system":"sec-edgar","filing":"0001274737-21-000072","document":"wf-form4_162427907010300.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000127473721000072/wf-form4_162427907010300.xml","form_type":"4"}},{"id":2660995,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":112387,"kind":"person","name":"Johnson Wendy S.","position":1,"cik":"0001652822","reported_name":"Johnson Wendy 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In addition, the stock option may become fully vested upon a qualifying termination of employment in connection with a change in control."}],"balance_after":12500,"derivative":{"exercise_price":18.2,"expiration_date":"2031-02-22","underlying":"Common Stock","underlying_shares":12500},"source":{"system":"sec-edgar","filing":"0001274737-21-000010","document":"wf-form4_161429071161279.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000127473721000010/wf-form4_161429071161279.xml","form_type":"4"}},{"id":2832301,"issuer":{"id":935,"kind":"organization","name":"EXAGEN INC.","symbol":"XGN"},"owners":[{"id":69242,"kind":"person","name":"Adawi Kamal","position":1,"cik":"0001788393","reported_name":"Adawi Kamal","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2021-02-25T22:05:45.000Z","date":"2021-02-23","kind":"grant","acquired":true,"shares":37500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock units will vest with respect to 25% of the restricted stock units on each of the first, second, third and fourth anniversaries of March 1, 2020, subject to the Reporting Person's continued service through the applicable vesting date. In addition, the award may become fully vested upon a qualifying termination of employment in connection with a change in control."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Represents 37,500 shares of restricted stock units."}],"balance_after":37500,"source":{"system":"sec-edgar","filing":"0001274737-21-000010","document":"wf-form4_161429071161279.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274737/000127473721000010/wf-form4_161429071161279.xml","form_type":"4"}}],"next_cursor":"2021-02-25T22:05:45.000000Z,2832301"}