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The RSUs vest over a three-year period, with approximately one-third (1/3) of the RSUs vesting on August 14, 2027, approximately one-third (1/3) of the RSUs vesting on August 14, 2028, and the remaining RSUs vesting on August 14, 2029."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The reporting person received an award of 87,500 restricted stock units (\"RSUs\") on August 14, 2026. The RSUs vest over a three-year period, with approximately one-third (1/3) of the RSUs vesting on August 14, 2027, approximately one-third (1/3) of the RSUs vesting on August 14, 2028, and the remaining RSUs vesting on August 14, 2029."}],"balance_after":87500,"derivative":{"underlying":"Common Stock","underlying_shares":87500},"source":{"system":"sec-edgar","filing":"0002063228-26-000015","document":"form4-08182026_080801.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1883814/000206322826000015/form4-08182026_080801.xml","form_type":"4"}},{"id":685012,"issuer":{"id":7398,"kind":"organization","name":"Southland Holdings, Inc."},"owners":[{"id":21982,"kind":"person","name":"Bassano Keith","position":1,"cik":"0002063228","reported_name":"Bassano Keith","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO AND TREASURER"}}],"security":"Restricted Stock Unit","published_at":"2026-08-18T00:00:06.000Z","date":"2026-08-15","kind":"exercise","planned":false,"acquired":false,"shares":10064,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit is equivalent to one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The reporting person received an award of 30,193 restricted stock units (\"RSUs\") on August 15, 2025. The RSUs vest over a three-year period, with approximately one-third (1/3) of the RSUs having vested on August 15, 2026, approximately one-third (1/3) of the RSUs vesting on August 15, 2027, and the remaining RSUs vesting on August 15, 2028."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The reporting person received an award of 30,193 restricted stock units (\"RSUs\") on August 15, 2025. The RSUs vest over a three-year period, with approximately one-third (1/3) of the RSUs having vested on August 15, 2026, approximately one-third (1/3) of the RSUs vesting on August 15, 2027, and the remaining RSUs vesting on August 15, 2028."}],"balance_after":20129,"derivative":{"underlying":"Common Stock","underlying_shares":10064},"source":{"system":"sec-edgar","filing":"0002063228-26-000013","document":"form4-08172026_080801.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1883814/000206322826000013/form4-08172026_080801.xml","form_type":"4"}},{"id":685011,"issuer":{"id":7398,"kind":"organization","name":"Southland Holdings, Inc."},"owners":[{"id":21982,"kind":"person","name":"Bassano Keith","position":1,"cik":"0002063228","reported_name":"Bassano Keith","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO AND TREASURER"}}],"security":"Common Stock","published_at":"2026-08-18T00:00:06.000Z","date":"2026-08-15","kind":"exercise","planned":false,"acquired":true,"shares":10064,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit is equivalent to one share of the Issuer's common stock."}],"balance_after":54281,"source":{"system":"sec-edgar","filing":"0002063228-26-000013","document":"form4-08172026_080801.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1883814/000206322826000013/form4-08172026_080801.xml","form_type":"4"}},{"id":735672,"issuer":{"id":7398,"kind":"organization","name":"Southland Holdings, Inc."},"owners":[{"id":21982,"kind":"person","name":"Bassano Keith","position":1,"cik":"0002063228","reported_name":"Bassano Keith","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO AND TREASURER"}}],"security":"Restricted Stock Unit","published_at":"2026-06-17T00:15:05.000Z","date":"2026-06-13","kind":"exercise","planned":false,"acquired":false,"shares":19009,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit is equivalent to one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The reporting person received an award of 57,029 restricted stock units (\"RSUs\") on June 13, 2025. 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The RSUs vest over a three-year period, with approximately one-third (1/3) of the RSUs having vested on June 13, 2026, approximately one-third (1/3) of the RSUs vesting on June 13, 2027, and the remaining RSUs vesting on June 13, 2028."}],"balance_after":38020,"derivative":{"underlying":"Common Stock","underlying_shares":19009},"source":{"system":"sec-edgar","filing":"0002063228-26-000010","document":"form4-06162026_080601.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1883814/000206322826000010/form4-06162026_080601.xml","form_type":"4"}},{"id":735671,"issuer":{"id":7398,"kind":"organization","name":"Southland Holdings, Inc."},"owners":[{"id":21982,"kind":"person","name":"Bassano Keith","position":1,"cik":"0002063228","reported_name":"Bassano Keith","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO AND TREASURER"}}],"security":"Common Stock","published_at":"2026-06-17T00:15:05.000Z","date":"2026-06-13","kind":"exercise","planned":false,"acquired":true,"shares":19009,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit is equivalent to one share of the Issuer's common stock."}],"balance_after":44217,"source":{"system":"sec-edgar","filing":"0002063228-26-000010","document":"form4-06162026_080601.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1883814/000206322826000010/form4-06162026_080601.xml","form_type":"4"}},{"id":811002,"issuer":{"id":7398,"kind":"organization","name":"Southland Holdings, Inc."},"owners":[{"id":21982,"kind":"person","name":"Bassano Keith","position":1,"cik":"0002063228","reported_name":"Bassano Keith","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO AND TREASURER"}}],"security":"Common Stock","published_at":"2026-04-10T00:00:06.000Z","date":"2026-04-07","kind":"grant","planned":false,"acquired":true,"shares":20662,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":25208,"source":{"system":"sec-edgar","filing":"0002063228-26-000007","document":"form4-04092026_080401.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1883814/000206322826000007/form4-04092026_080401.xml","form_type":"4"}},{"id":827928,"issuer":{"id":7398,"kind":"organization","name":"Southland Holdings, Inc."},"owners":[{"id":21982,"kind":"person","name":"Bassano Keith","position":1,"cik":"0002063228","reported_name":"Bassano Keith","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO AND TREASURER"}}],"security":"Restricted Stock Unit","published_at":"2026-03-26T00:00:09.000Z","date":"2026-03-23","kind":"exercise","planned":false,"acquired":true,"shares":4546,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock or the cash equivalent thereof, in the Issuer's discretion."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The reporting person received an award of restricted stock units on March 7, 2025. 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