{"transactions":[{"id":2763471,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP of Sales"}}],"security":"Common Stock","published_at":"2021-04-01T21:13:49.000Z","date":"2021-03-31","kind":"sale","acquired":false,"shares":60000,"price":6.02,"value":361200.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.85 to $6.37 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":1019312,"source":{"system":"sec-edgar","filing":"0001209191-21-024158","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919121024158/doc4.xml","form_type":"4"}},{"id":2763470,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP of Sales"}}],"security":"Common Stock","published_at":"2021-04-01T21:13:49.000Z","date":"2021-03-30","kind":"sale","acquired":false,"shares":40000,"price":5.69,"value":227600.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.47 to $5.89 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":1079312,"source":{"system":"sec-edgar","filing":"0001209191-21-024158","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919121024158/doc4.xml","form_type":"4"}},{"id":2835293,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Restricted Stock Unit","published_at":"2021-02-24T23:54:41.000Z","date":"2021-02-22","kind":"exercise","acquired":false,"shares":833,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Restricted stock units convert into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Prior to the Initial Vesting Date, the Vested Ratio shall be zero. On the Initial Vesting Date, the Vested Ratio shall be 1/6, provided the Grantee's service has not been terminated prior to the Initial Vesting Date. For each six month period of Grantee service from the Initial Vesting Date until the Vested Ratio equals 1/1, the Vested Ratio shall be increased by 1/6. This Restricted Stock Unit will be fully vested after three (3) years of service. The Initial Vesting Date shall be six months following the Date of Restricted Stock Unit Grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Prior to the Initial Vesting Date, the Vested Ratio shall be zero. On the Initial Vesting Date, the Vested Ratio shall be 1/6, provided the Grantee's service has not been terminated prior to the Initial Vesting Date. For each six month period of Grantee service from the Initial Vesting Date until the Vested Ratio equals 1/1, the Vested Ratio shall be increased by 1/6. This Restricted Stock Unit will be fully vested after three (3) years of service. The Initial Vesting Date shall be six months following the Date of Restricted Stock Unit Grant."}],"balance_after":1668,"derivative":{"underlying":"Common Stock","underlying_shares":833},"source":{"system":"sec-edgar","filing":"0001209191-21-013976","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919121013976/doc4.xml","form_type":"4"}},{"id":2835292,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Common Stock","published_at":"2021-02-24T23:54:41.000Z","date":"2021-02-22","kind":"tax_withholding","acquired":false,"shares":220,"price":6.17,"value":1357.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The reporting person received 833 shares of common stock upon vesting of the Restricted Stock Units, as reported in this Form 4. The reporting person forfeited 220 shares of common stock underlying the vested and outstanding Restricted Stock Units to cover tax withholdings, using the market price of the issuer's common stock at the time of forfeiture."}],"balance_after":1119312,"source":{"system":"sec-edgar","filing":"0001209191-21-013976","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919121013976/doc4.xml","form_type":"4"}},{"id":2835291,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Common Stock","published_at":"2021-02-24T23:54:41.000Z","date":"2021-02-22","kind":"exercise","acquired":true,"shares":833,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Restricted stock units convert into common stock on a one-for-one basis."}],"balance_after":1119532,"source":{"system":"sec-edgar","filing":"0001209191-21-013976","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919121013976/doc4.xml","form_type":"4"}},{"id":3043576,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Restricted Stock Unit","published_at":"2020-08-31T20:48:03.000Z","date":"2020-08-27","kind":"exercise","acquired":false,"shares":833,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Restricted stock units convert into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Prior to the Initial Vesting Date, the Vested Ratio shall be zero.  On the Initial Vesting Date, the Vested Ratio shall be 1/6, provided the Grantee's service has not been terminated prior to the Initial Vesting Date.  For each six month period of Grantee service from the Initial Vesting Date until the Vested Ratio equals 1/1, the Vested Ratio shall be increased by 1/6. This Restricted Stock Unit will be fully vested after three (3) years of service.  The Initial Vesting Date shall be six months following the Date of Restricted Stock Unit Grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Prior to the Initial Vesting Date, the Vested Ratio shall be zero.  On the Initial Vesting Date, the Vested Ratio shall be 1/6, provided the Grantee's service has not been terminated prior to the Initial Vesting Date.  For each six month period of Grantee service from the Initial Vesting Date until the Vested Ratio equals 1/1, the Vested Ratio shall be increased by 1/6. This Restricted Stock Unit will be fully vested after three (3) years of service.  The Initial Vesting Date shall be six months following the Date of Restricted Stock Unit Grant."}],"balance_after":2501,"derivative":{"underlying":"Common Stock","underlying_shares":833},"source":{"system":"sec-edgar","filing":"0001209191-20-048785","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919120048785/doc4.xml","form_type":"4"}},{"id":3043575,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Common Stock","published_at":"2020-08-31T20:48:03.000Z","date":"2020-08-27","kind":"tax_withholding","acquired":true,"shares":788,"price":2.56,"value":2017.28,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents a \"net stock issuance\" of vested and outstanding Restricted Stock Units.  The reporting person received 788 shares of common stock on the net stock issuance of 833 shares of common stock.  The reporting person forfeited 45 shares of common stock underlying the vested and outstanding Restricted Stock Units to cover tax withholdings, using the closing stock price on August 26, 2020 of $2.56."}],"balance_after":1118699,"source":{"system":"sec-edgar","filing":"0001209191-20-048785","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919120048785/doc4.xml","form_type":"4"}},{"id":3047425,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Common Stock","published_at":"2020-08-25T21:59:14.000Z","date":"2020-08-25","kind":"sale","acquired":false,"shares":61723,"price":2.59,"value":159862.57,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reporting person undertakes to provide One Stop Systems, Inc., any security holder of One Stop Systems, Inc., or the staff of the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the range set forth in footnotes (1) and (3) to this Form 4."},{"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 $2.46 to $2.64 per share, inclusive."}],"balance_after":1117911,"source":{"system":"sec-edgar","filing":"0001209191-20-048279","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919120048279/doc4.xml","form_type":"4"}},{"id":3047424,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Common Stock","published_at":"2020-08-25T21:59:14.000Z","date":"2020-08-24","kind":"sale","acquired":false,"shares":11942,"price":2.47,"value":29496.74,"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 $2.37 to $2.53 per share, inclusive."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reporting person undertakes to provide One Stop Systems, Inc., any security holder of One Stop Systems, Inc., or the staff of the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the range set forth in footnotes (1) and (3) to this Form 4."}],"balance_after":1179634,"source":{"system":"sec-edgar","filing":"0001209191-20-048279","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919120048279/doc4.xml","form_type":"4"}},{"id":3047423,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Common Stock","published_at":"2020-08-25T21:59:14.000Z","date":"2020-08-21","kind":"sale","acquired":false,"shares":6954,"price":2.51,"value":17454.54,"ownership":{"direct":true},"balance_after":1191576,"source":{"system":"sec-edgar","filing":"0001209191-20-048279","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919120048279/doc4.xml","form_type":"4"}},{"id":3049664,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Common Stock","published_at":"2020-08-21T20:18:07.000Z","date":"2020-08-20","kind":"sale","acquired":false,"shares":18537,"price":2.51,"value":46527.87,"ownership":{"direct":true},"balance_after":1198530,"source":{"system":"sec-edgar","filing":"0001209191-20-047920","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919120047920/doc4.xml","form_type":"4"}},{"id":3049663,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Common Stock","published_at":"2020-08-21T20:18:07.000Z","date":"2020-08-19","kind":"sale","acquired":false,"shares":844,"price":2.35,"value":1983.4,"ownership":{"direct":true},"balance_after":1217067,"source":{"system":"sec-edgar","filing":"0001209191-20-047920","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919120047920/doc4.xml","form_type":"4"}},{"id":3101629,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Common Stock","published_at":"2020-06-23T20:57:28.000Z","date":"2020-06-22","kind":"sale","acquired":false,"shares":20000,"price":2.1105,"value":42210.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"The reporting person undertakes to provide One Stop Systems, Inc., any security holder of One Stop Systems, Inc., or the staff of the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the range set forth in footnotes (1) and (3) to this Form 4."},{"field":"shares","element":"transactionShares","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 $2.03 to $2.29 per share, inclusive."}],"balance_after":1217911,"source":{"system":"sec-edgar","filing":"0001209191-20-038506","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919120038506/doc4.xml","form_type":"4"}},{"id":3101628,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Common Stock","published_at":"2020-06-23T20:57:28.000Z","date":"2020-06-19","kind":"sale","acquired":false,"shares":3519,"price":2,"value":7038.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at $2.00 per share."},{"field":"shares","element":"transactionShares","label":"F2","text":"The reporting person undertakes to provide One Stop Systems, Inc., any security holder of One Stop Systems, Inc., or the staff of the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the range set forth in footnotes (1) and (3) to this Form 4."}],"balance_after":1237911,"source":{"system":"sec-edgar","filing":"0001209191-20-038506","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919120038506/doc4.xml","form_type":"4"}},{"id":3106492,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Common Stock","published_at":"2020-06-17T20:46:21.000Z","date":"2020-06-16","kind":"sale","acquired":false,"shares":731,"price":2.0014,"value":1463.0234,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"The reporting person undertakes to provide One Stop Systems, Inc., any security holder of One Stop Systems, Inc., or the staff of the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the range set forth in footnotes (1) and (2) to this Form 4."},{"field":"shares","element":"transactionShares","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 $2.00 to $2.01 per share, inclusive."}],"balance_after":1241430,"source":{"system":"sec-edgar","filing":"0001209191-20-037286","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919120037286/doc4.xml","form_type":"4"}},{"id":3106491,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Common Stock","published_at":"2020-06-17T20:46:21.000Z","date":"2020-06-15","kind":"sale","acquired":false,"shares":25750,"price":1.9873,"value":51172.975,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","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 $1.97 to $2.01 per share, inclusive."},{"field":"shares","element":"transactionShares","label":"F2","text":"The reporting person undertakes to provide One Stop Systems, Inc., any security holder of One Stop Systems, Inc., or the staff of the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the range set forth in footnotes (1) and (2) to this Form 4."}],"balance_after":1242161,"source":{"system":"sec-edgar","filing":"0001209191-20-037286","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919120037286/doc4.xml","form_type":"4"}},{"id":3266241,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Restricted Stock Unit","published_at":"2020-02-18T22:37:13.000Z","date":"2020-02-13","kind":"exercise","acquired":false,"shares":833,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Restricted stock units convert into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Prior to the Initial Vesting Date, the Vested Ratio shall be zero.  On the Initial Vesting Date, the Vested Ratio shall be 1/6, provided the Grantee's service has not been terminated prior to the Initial Vesting Date.  For each six month period of Grantee service from the Initial Vesting Date until the Vested Ratio equals 1/1, the Vested Ratio shall be increased by 1/6. This Restricted Stock Unit will be fully vested after three (3) years of service.  The Initial Vesting Date shall be six months following the Date of Restricted Stock Unit Grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Prior to the Initial Vesting Date, the Vested Ratio shall be zero.  On the Initial Vesting Date, the Vested Ratio shall be 1/6, provided the Grantee's service has not been terminated prior to the Initial Vesting Date.  For each six month period of Grantee service from the Initial Vesting Date until the Vested Ratio equals 1/1, the Vested Ratio shall be increased by 1/6. This Restricted Stock Unit will be fully vested after three (3) years of service.  The Initial Vesting Date shall be six months following the Date of Restricted Stock Unit Grant."}],"balance_after":3334,"derivative":{"underlying":"Common Stock","underlying_shares":833},"source":{"system":"sec-edgar","filing":"0001209191-20-010301","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919120010301/doc4.xml","form_type":"4"}},{"id":3266240,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Common Stock","published_at":"2020-02-18T22:37:13.000Z","date":"2020-02-13","kind":"tax_withholding","acquired":true,"shares":726,"price":2.73,"value":1981.98,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents a \"net stock issuance\" of vested and outstanding Restricted Stock Units.  The reporting person received 726 shares of common stock on the net stock issuance of 833 shares of common stock.  The reporting person forfeited 107 shares of common stock underlying the vested and outstanding Restricted Stock Units to cover tax withholdings, using the closing stock price on February 13, 2020 of $2.73."}],"balance_after":1267911,"source":{"system":"sec-edgar","filing":"0001209191-20-010301","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919120010301/doc4.xml","form_type":"4"}},{"id":3431806,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Restricted Stock Unit","published_at":"2019-08-22T00:32:24.000Z","date":"2019-08-16","kind":"exercise","acquired":false,"shares":833,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Restricted stock units convert into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Prior to the Initial Vesting Date, the Vested Ratio shall be zero.  On the Initial Vesting Date, the Vested Ratio shall be 1/6, provided the Grantee's service has not been terminated prior to the Initial Vesting Date.  For each six month period of Grantee service from the Initial Vesting Date until the Vested Ratio equals 1/1, the Vested Ratio shall be increased by 1/6. This Restricted Stock Unit will be fully vested after three (3) years of service.  The Initial Vesting Date shall be six months following the Date of Restricted Stock Unit Grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Prior to the Initial Vesting Date, the Vested Ratio shall be zero.  On the Initial Vesting Date, the Vested Ratio shall be 1/6, provided the Grantee's service has not been terminated prior to the Initial Vesting Date.  For each six month period of Grantee service from the Initial Vesting Date until the Vested Ratio equals 1/1, the Vested Ratio shall be increased by 1/6. This Restricted Stock Unit will be fully vested after three (3) years of service.  The Initial Vesting Date shall be six months following the Date of Restricted Stock Unit Grant."}],"balance_after":4167,"derivative":{"underlying":"Common Stock","underlying_shares":833},"source":{"system":"sec-edgar","filing":"0001209191-19-047065","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919119047065/doc4.xml","form_type":"4"}},{"id":3431805,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Common Stock","published_at":"2019-08-22T00:32:24.000Z","date":"2019-08-16","kind":"tax_withholding","acquired":true,"shares":821,"price":1.65,"value":1354.65,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents a \"net stock issuance\" of vested and outstanding Restricted Stock Units.  The reporting person received 821 shares of common stock on the net stock issuance of 833 shares of common stock.  The reporting person forfeited 12 shares of common stock underlying the vested and outstanding Restricted Stock Units to cover tax withholdings, using the closing stock price on August 12, 2019 of $1.65."}],"balance_after":1267185,"source":{"system":"sec-edgar","filing":"0001209191-19-047065","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919119047065/doc4.xml","form_type":"4"}},{"id":3439738,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Common Stock","published_at":"2019-08-13T21:14:02.000Z","date":"2019-08-12","kind":"sale","acquired":false,"shares":64132,"price":1.6866,"value":108165.0312,"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 $1.6100 to $1.7500 per share, inclusive."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reporting person undertakes to provide One Stop Systems, Inc., any security holder of One Stop Systems, Inc., or the staff of the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the range set forth in footnote (1) to this Form 4."}],"balance_after":1266364,"source":{"system":"sec-edgar","filing":"0001209191-19-045780","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919119045780/doc4.xml","form_type":"4"}},{"id":3582697,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Restricted Stock Unit","published_at":"2019-03-21T23:24:23.000Z","date":"2019-02-13","kind":"grant","acquired":true,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit represents a contingent right to receive one share of OSS common stock. The closing price of OSS on February 13, 2019 was $2.43."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Prior to the Initial Vesting Date, the Vested Ratio shall be zero. On the Initial Vesting Date, the Vested Ratio shall be 1/6, provided the Grantee's service has not been terminated prior to the Initial Vesting Date. For each six month period of Grantee service from the Initial Vesting Date until the\nVested Ratio equals 1/1, the Vested Ratio shall be increased by 1/6.  This Restricted Stock Unit will be fully vested after three (3) years of service.  The Initial Vesting Date shall be six months following the Date of Restricted Stock Unit Grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Prior to the Initial Vesting Date, the Vested Ratio shall be zero. On the Initial Vesting Date, the Vested Ratio shall be 1/6, provided the Grantee's service has not been terminated prior to the Initial Vesting Date. For each six month period of Grantee service from the Initial Vesting Date until the\nVested Ratio equals 1/1, the Vested Ratio shall be increased by 1/6.  This Restricted Stock Unit will be fully vested after three (3) years of service.  The Initial Vesting Date shall be six months following the Date of Restricted Stock Unit Grant."}],"balance_after":5000,"derivative":{"underlying":"Common Stock","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0001209191-19-020856","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919119020856/doc4.xml","form_type":"4"}},{"id":3824973,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Employee Stock Option (right to buy)","published_at":"2018-09-06T00:13:08.000Z","date":"2018-09-01","kind":"grant","acquired":true,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The stock option will vest as follows: (i) 1/3 of the total shares will vest on the one (1) year anniversary of August 31, 2018 and (ii) 1/12 of the total shares will vest each quarter thereafter."}],"balance_after":30000,"derivative":{"exercise_price":3.63,"expiration_date":"2028-08-31","underlying":"Common Stock","underlying_shares":30000},"source":{"system":"sec-edgar","filing":"0001209191-18-049694","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919118049694/doc4.xml","form_type":"4"}},{"id":3824972,"issuer":{"id":2767,"kind":"organization","name":"ONE STOP SYSTEMS, INC.","symbol":"OSS"},"owners":[{"id":140662,"kind":"person","name":"Reardon James M","position":1,"cik":"0001751953","reported_name":"Reardon James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, CDI"}}],"security":"Common Stock","published_at":"2018-09-06T00:13:08.000Z","date":"2018-08-31","kind":"grant","acquired":true,"shares":1266364,"price":3.89,"value":4926155.96,"ownership":{"direct":true},"balance_after":1330496,"source":{"system":"sec-edgar","filing":"0001209191-18-049694","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1394056/000120919118049694/doc4.xml","form_type":"4"}}]}