{"transactions":[{"id":753006,"issuer":{"id":3881,"kind":"organization","name":"ACI WORLDWIDE, INC.","symbol":"ACIW"},"owners":[{"id":41975,"kind":"person","name":"Lamouche Didier R","position":1,"cik":"0001831993","reported_name":"Lamouche Didier R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-03T22:59:48.000Z","date":"2026-06-02","kind":"grant","planned":false,"acquired":true,"shares":5720,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"Represents shares of restricted stock units awarded pursuant to the Company's 2020 Equity and Performance Incentive Plan, as amended. The restricted shares vest on the earlier to occur of (i) anniversary of the date of grant, (ii) the day immediately prior to the date of the Company's next annual meeting of the stockholders, or (iii) a change in control of the Company."}],"balance_after":8950,"source":{"system":"sec-edgar","filing":"0001831993-26-000002","document":"wk-form4_1780527585.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/935036/000183199326000002/wk-form4_1780527585.xml","form_type":"4"}},{"id":2188442,"issuer":{"id":3881,"kind":"organization","name":"ACI WORLDWIDE, INC.","symbol":"ACIW"},"owners":[{"id":41975,"kind":"person","name":"Lamouche Didier R","position":1,"cik":"0001831993","reported_name":"Lamouche Didier R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-08-11T20:27:10.000Z","date":"2022-08-09","kind":"grant","acquired":true,"shares":9667,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of restricted stock awarded on August 9, 2022 pursuant to the Company's 2020 Equity and Performance Incentive Plan. The restricted shares shall vest, and the restricted period for such restricted shares shall expire, (i) on the earlier to occur of the date which is one year following the date of grant or the day immediately prior to the date of the next annual meeting of the stockholders of the Company occurring following the date of grant, or (ii) a change in control of the Company."}],"balance_after":16107,"source":{"system":"sec-edgar","filing":"0001269847-22-000017","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/935036/000126984722000017/edgardoc.xml","form_type":"4"}},{"id":2664804,"issuer":{"id":3881,"kind":"organization","name":"ACI WORLDWIDE, INC.","symbol":"ACIW"},"owners":[{"id":41975,"kind":"person","name":"Lamouche Didier R","position":1,"cik":"0001831993","reported_name":"Lamouche Didier R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-17T20:28:50.000Z","date":"2021-06-15","kind":"sale","acquired":false,"shares":4368,"price":39.0311,"value":170487.8448,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The sale price ranged from $39.02 to $39.04, with a weighted average sale price of $39.031089.  Upon request, the reporting person hereby undertakes to provide to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":6440,"source":{"system":"sec-edgar","filing":"0001269847-21-000036","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/935036/000126984721000036/edgardoc.xml","form_type":"4"}},{"id":2681658,"issuer":{"id":3881,"kind":"organization","name":"ACI WORLDWIDE, INC.","symbol":"ACIW"},"owners":[{"id":41975,"kind":"person","name":"Lamouche Didier R","position":1,"cik":"0001831993","reported_name":"Lamouche Didier R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-04T21:23:22.000Z","date":"2021-06-02","kind":"grant","acquired":true,"shares":6440,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of restricted stock awarded on June 2, 2021 pursuant to the Company's 2020 Equity and Performance Incentive Plan. The restricted shares shall vest, and the restricted period for such restricted shares shall expire, (i) on the earlier to occur of the date which is one year following the date of grant or the day immediately prior to the date of the next annual meeting of the stockholders of the Company occurring following the date of grant, or (ii) a change in control of the Company."}],"balance_after":10808,"source":{"system":"sec-edgar","filing":"0001269847-21-000028","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/935036/000126984721000028/edgardoc.xml","form_type":"4"}},{"id":2959228,"issuer":{"id":3881,"kind":"organization","name":"ACI WORLDWIDE, INC.","symbol":"ACIW"},"owners":[{"id":41975,"kind":"person","name":"Lamouche Didier R","position":1,"cik":"0001831993","reported_name":"Lamouche Didier R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-12-03T22:38:38.000Z","date":"2020-12-01","kind":"grant","acquired":true,"shares":4368,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of restricted stock awarded on December 1, 2020 pursuant to the Company's 2020 Equity and Performance Incentive Plan.  The restricted shares shall vest and the restricted period for such restricted shares shall expire on the earlier to occur of (i) the date which is one year following the date of grant and (ii) the day immediately prior to the date of the next annual meeting of the stockholders of the Company occurring following the date of grant."}],"balance_after":4368,"source":{"system":"sec-edgar","filing":"0001269847-20-000055","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/935036/000126984720000055/edgardoc.xml","form_type":"4"}}]}