{"transactions":[{"id":1149848,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2025-05-14T21:09:22.000Z","date":"2025-05-13","kind":"tax_withholding","planned":false,"acquired":false,"shares":7335,"price":0.94,"value":6894.9,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Shares withheld, at an average vesting price of $0.94 per share, for the payment of income taxes"}],"balance_after":210296,"source":{"system":"sec-edgar","filing":"0001628280-25-025561","document":"wk-form4_1747256954.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828025025561/wk-form4_1747256954.xml","form_type":"4"}},{"id":1149847,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2025-05-14T21:09:22.000Z","date":"2025-05-12","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":750,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares of restricted stock forfeited in accordance with the terms of grant"}],"balance_after":217631,"source":{"system":"sec-edgar","filing":"0001628280-25-025561","document":"wk-form4_1747256954.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828025025561/wk-form4_1747256954.xml","form_type":"4"}},{"id":1168743,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2025-04-21T20:55:23.000Z","date":"2025-04-17","kind":"tax_withholding","planned":false,"acquired":false,"shares":3856,"price":0.805,"value":3104.08,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average vesting price of $0.805 per share, for the payment of income taxes."}],"balance_after":218381,"source":{"system":"sec-edgar","filing":"0001628280-25-018655","document":"wk-form4_1745268916.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828025018655/wk-form4_1745268916.xml","form_type":"4"}},{"id":1184740,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2025-04-02T22:28:25.000Z","date":"2025-03-31","kind":"grant","planned":false,"acquired":true,"shares":250,"price":0.62,"value":155.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Voluntary disclosure with respect to shares acquired under the Smith Micro Software, Inc. Employee Stock Purchase Plan in a transaction exempt under both Rule 16b-3(d) and Rule 16b-3(c)."}],"balance_after":222237,"source":{"system":"sec-edgar","filing":"0001628280-25-016310","document":"wk-form4_1743632898.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828025016310/wk-form4_1743632898.xml","form_type":"4"}},{"id":1208322,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2025-03-13T23:07:00.000Z","date":"2025-03-13","kind":"tax_withholding","planned":false,"acquired":false,"shares":3778,"price":0.71,"value":2682.38,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Shares withheld, at an average vesting price of $0.71 per share, for the payment of income taxes."}],"balance_after":221987,"source":{"system":"sec-edgar","filing":"0001628280-25-012694","document":"wk-form4_1741907214.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828025012694/wk-form4_1741907214.xml","form_type":"4"}},{"id":1208321,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2025-03-13T23:07:00.000Z","date":"2025-03-11","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":379,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares of restricted stock forfeited in accordance with the terms of grant."}],"balance_after":225765,"source":{"system":"sec-edgar","filing":"0001628280-25-012694","document":"wk-form4_1741907214.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828025012694/wk-form4_1741907214.xml","form_type":"4"}},{"id":1218292,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2025-03-07T12:36:43.000Z","date":"2025-03-05","kind":"grant","planned":false,"acquired":true,"shares":57851,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Restricted stock subject to performance-based vesting. Shares will vest in installments subject to satisfaction of performance criteria for the first and second quarters of 2025."}],"balance_after":226144,"source":{"system":"sec-edgar","filing":"0001628280-25-011142","document":"wk-form4_1741350997.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828025011142/wk-form4_1741350997.xml","form_type":"4"}},{"id":1218291,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2025-03-07T12:36:43.000Z","date":"2025-03-05","kind":"grant","planned":false,"acquired":true,"shares":100000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock subject to time-based and performance-based vesting. 50% of shares vest in equal monthly installments over 48 months, subject to continuing employment. 50% of shares vest subject to satisfaction of 2025 financial performance criteria, with 25% of such amount to vest approximately March 2026 and the remainder in equal monthly installments over the next 36 months."}],"balance_after":168293,"source":{"system":"sec-edgar","filing":"0001628280-25-011142","document":"wk-form4_1741350997.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828025011142/wk-form4_1741350997.xml","form_type":"4"}},{"id":1256945,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2025-02-20T22:09:39.000Z","date":"2025-02-19","kind":"tax_withholding","planned":false,"acquired":false,"shares":213,"price":1.39,"value":296.07,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average vesting price of $1.39 per share, for the payment of income taxes."}],"balance_after":68293,"source":{"system":"sec-edgar","filing":"0001628280-25-006850","document":"wk-form4_1740089373.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828025006850/wk-form4_1740089373.xml","form_type":"4"}},{"id":1299108,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2025-01-21T12:49:26.000Z","date":"2025-01-17","kind":"tax_withholding","planned":false,"acquired":false,"shares":1640,"price":1.23,"value":2017.2,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average vesting price of $1.23 per share, for the payment of income taxes."}],"balance_after":68506,"source":{"system":"sec-edgar","filing":"0001628280-25-001945","document":"wk-form4_1737463760.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828025001945/wk-form4_1737463760.xml","form_type":"4"}},{"id":1327323,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-12-18T23:11:16.000Z","date":"2024-12-17","kind":"tax_withholding","planned":false,"acquired":false,"shares":183,"price":0.76,"value":139.08,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Shares withheld, at an average vesting price of $0.76 per share, for the payment of income taxes."}],"balance_after":70146,"source":{"system":"sec-edgar","filing":"0001628280-24-051922","document":"wk-form4_1734563468.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024051922/wk-form4_1734563468.xml","form_type":"4"}},{"id":1327322,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-12-18T23:11:16.000Z","date":"2024-12-16","kind":"sale","planned":false,"acquired":false,"shares":437,"price":0.7886,"value":344.6182,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares were sold for tax planning purposes at a price of $0.7886 per share."}],"balance_after":70329,"source":{"system":"sec-edgar","filing":"0001628280-24-051922","document":"wk-form4_1734563468.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024051922/wk-form4_1734563468.xml","form_type":"4"}},{"id":1365650,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-11-14T22:15:35.000Z","date":"2024-11-13","kind":"tax_withholding","planned":false,"acquired":false,"shares":3097,"price":0.9,"value":2787.3,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Shares withheld, at an average vesting price of $0.90 per share, for the payment of income taxes."}],"balance_after":70767,"source":{"system":"sec-edgar","filing":"0001628280-24-047966","document":"wk-form4_1731622528.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024047966/wk-form4_1731622528.xml","form_type":"4"}},{"id":1365649,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-11-14T22:15:35.000Z","date":"2024-11-12","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":322,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares of restricted stock forfeited in accordance with the terms of grant"}],"balance_after":73864,"source":{"system":"sec-edgar","filing":"0001628280-24-047966","document":"wk-form4_1731622528.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024047966/wk-form4_1731622528.xml","form_type":"4"}},{"id":1383215,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-10-22T20:46:58.000Z","date":"2024-10-17","kind":"tax_withholding","planned":false,"acquired":false,"shares":1386,"price":1.02,"value":1413.72,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average vesting price of $1.02 per share, for the payment of income taxes."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 219 shares acquired on September 30, 2024, at a price of $0.867 per share, pursuant to the Smith Micro Software, Inc. Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c)."}],"balance_after":74186,"source":{"system":"sec-edgar","filing":"0001628280-24-043293","document":"wk-form4_1729630012.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024043293/wk-form4_1729630012.xml","form_type":"4"}},{"id":1402771,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-09-19T23:18:56.000Z","date":"2024-09-17","kind":"tax_withholding","planned":false,"acquired":false,"shares":183,"price":0.598,"value":109.434,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average vesting price of $0.598 per share, for the payment of income taxes."}],"balance_after":75353,"source":{"system":"sec-edgar","filing":"0001628280-24-040969","document":"wk-form4_1726787930.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024040969/wk-form4_1726787930.xml","form_type":"4"}},{"id":1434108,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-08-14T22:05:28.000Z","date":"2024-08-13","kind":"tax_withholding","planned":false,"acquired":false,"shares":1202,"price":0.85,"value":1021.7,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Shares withheld, at an average vesting price of $0.85 per share, for the payment of income taxes."}],"balance_after":75536,"source":{"system":"sec-edgar","filing":"0001628280-24-037311","document":"wk-form4_1723673123.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024037311/wk-form4_1723673123.xml","form_type":"4"}},{"id":1434107,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-08-14T22:05:28.000Z","date":"2024-08-12","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":141,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares of restricted stock forfeited in accordance with the terms of grant"}],"balance_after":76738,"source":{"system":"sec-edgar","filing":"0001628280-24-037311","document":"wk-form4_1723673123.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024037311/wk-form4_1723673123.xml","form_type":"4"}},{"id":1449613,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-07-24T12:19:30.000Z","date":"2024-07-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":602,"price":2.28,"value":1372.56,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average vesting price of $2.28 per share, for the payment of income taxes."}],"balance_after":76879,"source":{"system":"sec-edgar","filing":"0001628280-24-032725","document":"wk-form4_1721823564.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024032725/wk-form4_1721823564.xml","form_type":"4"}},{"id":1457100,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-07-10T20:50:08.000Z","date":"2024-07-08","kind":"grant","planned":false,"acquired":true,"shares":29538,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock subject to performance-based vesting. Shares will vest in installments subject to satisfaction of performance criteria for the third and fourth quarters of 2024."}],"balance_after":77481,"source":{"system":"sec-edgar","filing":"0001628280-24-031607","document":"wk-form4_1720644601.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024031607/wk-form4_1720644601.xml","form_type":"4"}},{"id":1469901,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-06-25T10:09:02.000Z","date":"2024-06-20","kind":"tax_withholding","planned":false,"acquired":false,"shares":214,"price":2.22,"value":475.08,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average vesting price of $2.22 per share, for the payment of income taxes."}],"balance_after":47943,"source":{"system":"sec-edgar","filing":"0001628280-24-029691","document":"wk-form4_1719310136.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024029691/wk-form4_1719310136.xml","form_type":"4"}},{"id":1506055,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-05-22T21:36:15.000Z","date":"2024-05-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":1826,"price":2.51,"value":4583.26,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Shares withheld, at an average vesting price of $2.51 per share, for the payment of income taxes."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Effective at 11:59pm ET on April 10, 2024, Smith Micro Software, Inc. effected a 1:8 reverse stock split.  Shareholdings reported herein reflect the effects of the reverse stock split."}],"balance_after":48157,"source":{"system":"sec-edgar","filing":"0001628280-24-024774","document":"wk-form4_1716413763.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024024774/wk-form4_1716413763.xml","form_type":"4"}},{"id":1506054,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-05-22T21:36:15.000Z","date":"2024-05-20","kind":"tax_withholding","planned":false,"acquired":false,"shares":432,"price":2.43,"value":1049.76,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average vesting price of $2.43 per share, for the payment of income taxes."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Effective at 11:59pm ET on April 10, 2024, Smith Micro Software, Inc. effected a 1:8 reverse stock split.  Shareholdings reported herein reflect the effects of the reverse stock split."}],"balance_after":49983,"source":{"system":"sec-edgar","filing":"0001628280-24-024774","document":"wk-form4_1716413763.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024024774/wk-form4_1716413763.xml","form_type":"4"}},{"id":1556897,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-04-01T20:39:47.000Z","date":"2024-04-01","kind":"grant","planned":false,"acquired":true,"shares":250,"price":0.289,"value":72.25,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Voluntary disclosure with respect to shares acquired under the Smith Micro Software, Inc. Employee Stock Purchase Plan in a transaction exempt under both Rule 16b-3(d) and Rule 16b-3(c)"}],"balance_after":403317,"source":{"system":"sec-edgar","filing":"0001628280-24-014068","document":"wk-form4_1712003977.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024014068/wk-form4_1712003977.xml","form_type":"4"}},{"id":1565222,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-03-21T20:56:33.000Z","date":"2024-03-19","kind":"tax_withholding","planned":false,"acquired":false,"shares":4906,"price":0.34,"value":1668.04,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average vesting price of $0.34 per share, for the payment of income taxes."}],"balance_after":403067,"source":{"system":"sec-edgar","filing":"0001628280-24-012566","document":"wk-form4_1711054584.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024012566/wk-form4_1711054584.xml","form_type":"4"}},{"id":1575473,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-03-15T20:34:40.000Z","date":"2024-03-13","kind":"sale","planned":true,"acquired":false,"shares":4804,"price":0.35,"value":1681.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Sell-to-cover transaction to satisfy withholding tax obligation in connection with the vesting of a restricted stock award"}],"balance_after":407973,"source":{"system":"sec-edgar","filing":"0001628280-24-011493","document":"wk-form4_1710534867.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024011493/wk-form4_1710534867.xml","form_type":"4"}},{"id":1623436,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-02-23T11:49:34.000Z","date":"2024-02-22","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":7291,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Shares of restricted stock forfeited in accordance with the terms of grant."}],"balance_after":412777,"source":{"system":"sec-edgar","filing":"0001628280-24-006506","document":"wk-form4_1708688966.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024006506/wk-form4_1708688966.xml","form_type":"4"}},{"id":1623435,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-02-23T11:49:34.000Z","date":"2024-02-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":1018,"price":0.77,"value":783.86,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares withheld, at an average vesting price of $0.77 per share, for the payment of income taxes."}],"balance_after":420068,"source":{"system":"sec-edgar","filing":"0001628280-24-006506","document":"wk-form4_1708688966.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024006506/wk-form4_1708688966.xml","form_type":"4"}},{"id":1623434,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-02-23T11:49:34.000Z","date":"2024-02-21","kind":"grant","planned":false,"acquired":true,"shares":86422,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Restricted stock subject to performance-based vesting. Shares will vest in installments subject to satisfaction of performance criteria for the first and second quarters of 2024."}],"balance_after":421086,"source":{"system":"sec-edgar","filing":"0001628280-24-006506","document":"wk-form4_1708688966.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024006506/wk-form4_1708688966.xml","form_type":"4"}},{"id":1623433,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-02-23T11:49:34.000Z","date":"2024-02-21","kind":"grant","planned":false,"acquired":true,"shares":100000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock subject to time-based and performance-based vesting. 50% of shares vest in equal monthly installments over 48 months, subject to continuing employment. 50% of shares vest subject to satisfaction of 2024 financial performance criteria, with 25% of such amount to vest approximately March 2025 and the remainder in equal monthly installments over the next 36 months."}],"balance_after":334664,"source":{"system":"sec-edgar","filing":"0001628280-24-006506","document":"wk-form4_1708688966.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024006506/wk-form4_1708688966.xml","form_type":"4"}},{"id":1672334,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-01-24T21:36:59.000Z","date":"2024-01-23","kind":"sale","planned":true,"acquired":false,"shares":2293,"price":0.7651,"value":1754.3743,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Sell-to-cover transaction to satisfy withholding tax obligation in connection with the vesting of a restricted stock award"}],"balance_after":234664,"source":{"system":"sec-edgar","filing":"0001628280-24-002068","document":"wk-form4_1706132210.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024002068/wk-form4_1706132210.xml","form_type":"4"}},{"id":1674560,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2024-01-22T21:32:32.000Z","date":"2024-01-18","kind":"tax_withholding","planned":false,"acquired":false,"shares":1016,"price":0.77,"value":782.32,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average vesting price of $0.77 per share, for the payment of income taxes."}],"balance_after":236957,"source":{"system":"sec-edgar","filing":"0001628280-24-001858","document":"wk-form4_1705959143.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828024001858/wk-form4_1705959143.xml","form_type":"4"}},{"id":1703681,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2023-12-20T22:04:46.000Z","date":"2023-12-19","kind":"tax_withholding","planned":false,"acquired":false,"shares":857,"price":0.74,"value":634.18,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average vesting price of $0.74 per share, for the payment of income taxes."}],"balance_after":237973,"source":{"system":"sec-edgar","filing":"0001628280-23-042287","document":"wk-form4_1703109876.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828023042287/wk-form4_1703109876.xml","form_type":"4"}},{"id":1725923,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2023-12-01T23:09:49.000Z","date":"2023-12-01","kind":"sale","planned":true,"acquired":false,"shares":6780,"price":0.67,"value":4542.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Sell-to-cover transaction to satisfy withholding tax obligation in connection with the vesting of a restricted stock award"}],"balance_after":238830,"source":{"system":"sec-edgar","filing":"0001628280-23-040478","document":"wk-form4_1701472180.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828023040478/wk-form4_1701472180.xml","form_type":"4"}},{"id":1725922,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2023-12-01T23:09:49.000Z","date":"2023-11-30","kind":"disposition_to_issuer","planned":true,"acquired":false,"shares":577,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares of restricted stock forfeited in accordance with the terms of grant"}],"balance_after":245610,"source":{"system":"sec-edgar","filing":"0001628280-23-040478","document":"wk-form4_1701472180.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828023040478/wk-form4_1701472180.xml","form_type":"4"}},{"id":1735232,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2023-11-20T21:27:12.000Z","date":"2023-11-17","kind":"tax_withholding","planned":false,"acquired":false,"shares":857,"price":0.81,"value":694.17,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average vesting price of $0.81 per share, for the payment of income taxes."}],"balance_after":246187,"source":{"system":"sec-edgar","filing":"0001628280-23-039623","document":"wk-form4_1700515622.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828023039623/wk-form4_1700515622.xml","form_type":"4"}},{"id":1757658,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2023-10-19T20:40:39.000Z","date":"2023-10-18","kind":"tax_withholding","planned":false,"acquired":false,"shares":857,"price":1.13,"value":968.41,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average vesting price of $1.13 per share, for the payment of income taxes."}],"balance_after":247044,"source":{"system":"sec-edgar","filing":"0001628280-23-034707","document":"wk-form4_1697748027.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828023034707/wk-form4_1697748027.xml","form_type":"4"}},{"id":1770851,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2023-10-02T20:48:25.000Z","date":"2023-10-02","kind":"grant","planned":false,"acquired":true,"shares":250,"price":1.0285,"value":257.125,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Voluntary disclosure with respect to shares acquired under the Smith Micro Software, Inc. Employee Stock Purchase Plan in a transaction exempt under both Rule 16b-3(d) and Rule 16b-3(c)."}],"balance_after":247901,"source":{"system":"sec-edgar","filing":"0001628280-23-033494","document":"wk-form4_1696279694.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828023033494/wk-form4_1696279694.xml","form_type":"4"}},{"id":1775793,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2023-09-21T20:55:05.000Z","date":"2023-09-20","kind":"tax_withholding","planned":false,"acquired":false,"shares":857,"price":1.34,"value":1148.38,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average vesting price of $1.34 per share, for the payment of income taxes."}],"balance_after":247651,"source":{"system":"sec-edgar","filing":"0001628280-23-032794","document":"wk-form4_1695329695.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828023032794/wk-form4_1695329695.xml","form_type":"4"}},{"id":1798074,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2023-08-24T22:47:23.000Z","date":"2023-08-23","kind":"grant","planned":false,"acquired":true,"shares":46360,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock subject to performance-based vesting. Shares will vest in installments subject to satisfaction of performance criteria for the third and fourth quarters of 2023."}],"balance_after":248508,"source":{"system":"sec-edgar","filing":"0001628280-23-030553","document":"wf-form4_169291723042188.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828023030553/wf-form4_169291723042188.xml","form_type":"4"}},{"id":1801115,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2023-08-21T21:12:44.000Z","date":"2023-08-17","kind":"tax_withholding","planned":false,"acquired":false,"shares":857,"price":1.74,"value":1491.18,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average vesting price of $1.74 per share, for the payment of income taxes."}],"balance_after":202148,"source":{"system":"sec-edgar","filing":"0001628280-23-030145","document":"wf-form4_169265235186939.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828023030145/wf-form4_169265235186939.xml","form_type":"4"}},{"id":1825149,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2023-07-21T20:19:27.000Z","date":"2023-07-19","kind":"tax_withholding","planned":false,"acquired":false,"shares":857,"price":1.13,"value":968.41,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average vesting price of $1.13 per share, for the payment of income taxes."}],"balance_after":203005,"source":{"system":"sec-edgar","filing":"0001628280-23-025338","document":"wf-form4_168997075675020.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828023025338/wf-form4_168997075675020.xml","form_type":"4"}},{"id":1846977,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2023-06-23T00:05:40.000Z","date":"2023-06-20","kind":"tax_withholding","planned":false,"acquired":false,"shares":857,"price":1.15,"value":985.55,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average vesting price of $1.15 per share, for the payment of income taxes."}],"balance_after":203862,"source":{"system":"sec-edgar","filing":"0001628280-23-023190","document":"wf-form4_168747872823515.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828023023190/wf-form4_168747872823515.xml","form_type":"4"}},{"id":1854950,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2023-06-15T20:58:18.000Z","date":"2023-06-14","kind":"purchase","planned":false,"acquired":true,"shares":1000,"price":1.19,"value":1190.0,"ownership":{"direct":true},"balance_after":204719,"source":{"system":"sec-edgar","filing":"0001628280-23-022279","document":"wf-form4_168686268844513.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828023022279/wf-form4_168686268844513.xml","form_type":"4"}},{"id":1885613,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2023-05-19T21:19:29.000Z","date":"2023-05-18","kind":"tax_withholding","planned":false,"acquired":false,"shares":1018,"price":1.16,"value":1180.88,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average vesting price of $1.16 per share, for the payment of income taxes."}],"balance_after":203719,"source":{"system":"sec-edgar","filing":"0001628280-23-019124","document":"wf-form4_168453115566486.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828023019124/wf-form4_168453115566486.xml","form_type":"4"}},{"id":1917524,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2023-04-19T21:13:59.000Z","date":"2023-04-18","kind":"tax_withholding","planned":false,"acquired":false,"shares":1016,"price":1.13,"value":1148.08,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average vesting price of $1.13 per share, for the payment of income taxes."}],"balance_after":204737,"source":{"system":"sec-edgar","filing":"0001628280-23-012086","document":"wf-form4_168193882838680.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828023012086/wf-form4_168193882838680.xml","form_type":"4"}},{"id":1933010,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2023-04-03T21:43:34.000Z","date":"2023-04-03","kind":"grant","planned":false,"acquired":true,"shares":250,"price":0.986,"value":246.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Voluntary disclosure with respect to shares acquired under the Smith Micro Software, Inc. Employee Stock Purchase Plan in a transaction exempt under both Rule 16b-3(d) and Rule 16b-3(c)."}],"balance_after":205753,"source":{"system":"sec-edgar","filing":"0001628280-23-010424","document":"wf-form4_168055820241898.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828023010424/wf-form4_168055820241898.xml","form_type":"4"}},{"id":1943612,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2023-03-21T21:41:02.000Z","date":"2023-03-17","kind":"tax_withholding","planned":false,"acquired":false,"shares":4090,"price":1.17,"value":4785.3,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average vesting price of $1.17 per share, for the payment of income taxes."}],"balance_after":205503,"source":{"system":"sec-edgar","filing":"0001628280-23-008776","document":"wf-form4_167943485013856.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828023008776/wf-form4_167943485013856.xml","form_type":"4"}},{"id":1961636,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2023-03-09T22:50:23.000Z","date":"2023-03-09","kind":"disposition_to_issuer","acquired":false,"shares":5761,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares of restricted stock forfeited in accordance with the terms of grant"}],"balance_after":209593,"source":{"system":"sec-edgar","filing":"0001628280-23-007384","document":"wf-form4_167840221254880.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828023007384/wf-form4_167840221254880.xml","form_type":"4"}},{"id":1961635,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2023-03-09T22:50:23.000Z","date":"2023-03-07","kind":"grant","acquired":true,"shares":100000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock subject to time-based and performance-based vesting. 50% of shares vest in equal monthly installments over 48 months, subject to continuing employment. 50% of shares vest subject to satisfaction of 2023 financial performance criteria, with 25% of such amount to vest approximately March 2024 and the remainder in equal monthly installments over the next 36 months."}],"balance_after":215354,"source":{"system":"sec-edgar","filing":"0001628280-23-007384","document":"wf-form4_167840221254880.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828023007384/wf-form4_167840221254880.xml","form_type":"4"}},{"id":2145781,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2022-10-04T22:08:47.000Z","date":"2022-10-03","kind":"grant","acquired":true,"shares":250,"price":1.921,"value":480.25,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Voluntary disclosure with respect to shares acquired under the Smith Micro Software Employee Stock Purchase Plan in a transaction exempt under both Rule 16b-3(d) and Rule 16b-3(c)."}],"balance_after":115354,"source":{"system":"sec-edgar","filing":"0001628280-22-025998","document":"wf-form4_166492130514459.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828022025998/wf-form4_166492130514459.xml","form_type":"4"}},{"id":2159628,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2022-09-14T22:18:36.000Z","date":"2022-09-13","kind":"purchase","acquired":true,"shares":2500,"price":2.6,"value":6500.0,"ownership":{"direct":true},"balance_after":115104,"source":{"system":"sec-edgar","filing":"0001628280-22-024930","document":"wf-form4_166319390177204.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000162828022024930/wf-form4_166319390177204.xml","form_type":"4"}},{"id":2264443,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2022-05-19T21:26:33.000Z","date":"2022-05-18","kind":"tax_withholding","acquired":false,"shares":288,"price":2.56,"value":737.28,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average price of $2.56 per share, for payment of income taxes."}],"balance_after":112604,"source":{"system":"sec-edgar","filing":"0001209191-22-030660","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000120919122030660/doc4.xml","form_type":"4"}},{"id":2294216,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2022-04-20T21:18:10.000Z","date":"2022-04-19","kind":"tax_withholding","acquired":false,"shares":352,"price":3.56,"value":1253.12,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average price of $3.56 per share, for payment of income taxes."}],"balance_after":112892,"source":{"system":"sec-edgar","filing":"0001209191-22-025042","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000120919122025042/doc4.xml","form_type":"4"}},{"id":2342690,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2022-03-09T23:32:56.000Z","date":"2022-03-07","kind":"grant","acquired":true,"shares":100000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Restricted stock subject to time-based and performance-based vesting. 50% of shares vest in equal monthly installments over 48 months, subject to continuing employment. 50% of shares vest subject to satisfaction of 2022 financial performance criteria, with 25% of such amount to vest approximately March 2023 and the remainder in equal monthly installments over the next 36 months."}],"balance_after":113244,"source":{"system":"sec-edgar","filing":"0001209191-22-017688","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000120919122017688/doc4.xml","form_type":"4"}},{"id":2525086,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2021-11-05T01:03:44.000Z","date":"2021-11-03","kind":"tax_withholding","acquired":false,"shares":6756,"price":6.03,"value":40738.68,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares withheld, at an average price of $6.03 per share, for payment of income taxes."}],"balance_after":13244,"source":{"system":"sec-edgar","filing":"0001209191-21-063037","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/948708/000120919121063037/doc4.xml","form_type":"4"}},{"id":2525085,"issuer":{"id":7775,"kind":"organization","name":"SMITH MICRO SOFTWARE, INC.","symbol":"SMSI"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO and Treasurer"}}],"security":"Common Stock","published_at":"2021-11-05T01:03:44.000Z","date":"2021-11-03","kind":"grant","acquired":true,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":20000,"source":{"system":"sec-edgar","filing":"0001209191-21-063037","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/948708/000120919121063037/doc4.xml","form_type":"4"}},{"id":2823633,"issuer":{"id":5689,"kind":"organization","name":"FOSTER L B CO"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Controller &  PAO"}}],"security":"Performance Stock Units","published_at":"2021-03-02T21:11:48.000Z","date":"2021-03-01","kind":"grant","acquired":true,"shares":3333,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Performance-based stock unit award which expires on 02/28/26, 5 years after the grant date. Fifty percent of the award, or 1,666 shares, may be earned when the consecutive 30 day average closing stock price per share of the Company's common stock on the Nasdaq Stock Market is $25.00 per share or more and is generally  subject to continued employment with the Company until the third anniversary of the grant date. The remaining 50% of the award, or 1,667 shares, may be earned when the consecutive 30 day average closing stock price per share of the Company's common stock on the Nasdaq Stock Market is $30.00 per share or more and is generally subject to continued employment with the Company until the third anniversary of the grant date. If either or both of these measures are achieved after the third anniversary of the grant date, the shares will be issued upon attainment of such stock price goals and if the grantee is employed by the Company on the date of attainment of such goals."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Performance-based stock unit award which expires on 02/28/26, 5 years after the grant date. Fifty percent of the award, or 1,666 shares, may be earned when the consecutive 30 day average closing stock price per share of the Company's common stock on the Nasdaq Stock Market is $25.00 per share or more and is generally  subject to continued employment with the Company until the third anniversary of the grant date. The remaining 50% of the award, or 1,667 shares, may be earned when the consecutive 30 day average closing stock price per share of the Company's common stock on the Nasdaq Stock Market is $30.00 per share or more and is generally subject to continued employment with the Company until the third anniversary of the grant date. If either or both of these measures are achieved after the third anniversary of the grant date, the shares will be issued upon attainment of such stock price goals and if the grantee is employed by the Company on the date of attainment of such goals."}],"balance_after":3333,"derivative":{"expiration_date":"2026-02-28","underlying":"Common Stock","underlying_shares":3333},"source":{"system":"sec-edgar","filing":"0001567619-21-005352","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/352825/000156761921005352/doc1.xml","form_type":"4"}},{"id":2823632,"issuer":{"id":5689,"kind":"organization","name":"FOSTER L B CO"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Controller &  PAO"}}],"security":"Common Stock","published_at":"2021-03-02T21:11:48.000Z","date":"2021-02-26","kind":"grant","acquired":true,"shares":2100,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Award of time vested restricted stock, which will vest in 33-1/3% increments on each of the first, second, and third anniversaries of the date of the grant."}],"balance_after":3520,"source":{"system":"sec-edgar","filing":"0001567619-21-005352","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/352825/000156761921005352/doc1.xml","form_type":"4"}},{"id":2841583,"issuer":{"id":5689,"kind":"organization","name":"FOSTER L B CO"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Controller &  PAO"}}],"security":"Common Stock","published_at":"2021-02-23T22:10:53.000Z","date":"2021-02-20","kind":"tax_withholding","acquired":false,"shares":181,"price":17.63,"value":3191.03,"ownership":{"direct":true},"balance_after":1420,"source":{"system":"sec-edgar","filing":"0001567619-21-004710","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/352825/000156761921004710/doc1.xml","form_type":"4"}},{"id":3254882,"issuer":{"id":5689,"kind":"organization","name":"FOSTER L B CO"},"owners":[{"id":79845,"kind":"person","name":"Kempton James M","position":1,"cik":"0001456883","reported_name":"Kempton James M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Controller &  PAO"}}],"security":"Common Stock","published_at":"2020-02-24T21:38:33.000Z","date":"2020-02-20","kind":"grant","acquired":true,"shares":1601,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Award of time vested restricted stock, which will vest in 33-1/3 increments on each of the first, second and third anniversaries of the date of the grant."}],"balance_after":1601,"source":{"system":"sec-edgar","filing":"0001567619-20-004692","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/352825/000156761920004692/doc1.xml","form_type":"4"}}]}