{"transactions":[{"id":693277,"issuer":{"id":3869,"kind":"organization","name":"Sotera Health Co"},"owners":[{"id":25496,"kind":"person","name":"Lyons Jonathan M.","position":1,"cik":"0001983511","reported_name":"Lyons Jonathan M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, CFO"}}],"security":"Common Stock, $0.01 par value per share","published_at":"2026-08-07T20:16:11.000Z","date":"2026-08-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":11316,"price":17.98,"value":203461.68,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities represent the number of shares of Common Stock withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations due upon the vesting of 25,657 Restricted Stock Units (\"RSUs\"), which represents 33% of the RSU awards granted to the Reporting Person on August 7, 2023. These awards were granted pursuant to the terms of RSU agreements under the Sotera Health Company 2020 Omnibus Incentive Plan (\"2020 Incentive Plan\"). Each RSU represents the Reporting Person's right to receive one share of Common Stock, subject to vesting conditions."}],"balance_after":217304,"source":{"system":"sec-edgar","filing":"0001193125-26-340288","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1983511/000119312526340288/ownership.xml","form_type":"4"}},{"id":862169,"issuer":{"id":3869,"kind":"organization","name":"Sotera Health Co"},"owners":[{"id":25496,"kind":"person","name":"Lyons Jonathan M.","position":1,"cik":"0001983511","reported_name":"Lyons Jonathan M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, CFO"}}],"security":"Performance RSUs","published_at":"2026-03-05T01:54:25.000Z","date":"2026-03-02","kind":"grant","planned":false,"acquired":true,"shares":29678,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"These securites consist of the maximum number of additional performance-based RSUs that were granted on March 2, 2026, prusuant to the terms of an RSU agreement under the 2020 Incentive Plan. Each additional RSU represents the Reporting Person's right to receive one share of Common Stock, subject to stock price-related conditions. The additional RSUs generally vest annually in 60%, 20% and 20% installments, respectfully, commencing March 2027, subject to performance."},{"field":"shares","element":"transactionShares","label":"F7","text":"These securites consist of the maximum number of additional performance-based RSUs that were granted on March 2, 2026, prusuant to the terms of an RSU agreement under the 2020 Incentive Plan. Each additional RSU represents the Reporting Person's right to receive one share of Common Stock, subject to stock price-related conditions. The additional RSUs generally vest annually in 60%, 20% and 20% installments, respectfully, commencing March 2027, subject to performance."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"These securites consist of the maximum number of additional performance-based RSUs that were granted on March 2, 2026, prusuant to the terms of an RSU agreement under the 2020 Incentive Plan. Each additional RSU represents the Reporting Person's right to receive one share of Common Stock, subject to stock price-related conditions. The additional RSUs generally vest annually in 60%, 20% and 20% installments, respectfully, commencing March 2027, subject to performance."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"These securites consist of the maximum number of additional performance-based RSUs that were granted on March 2, 2026, prusuant to the terms of an RSU agreement under the 2020 Incentive Plan. Each additional RSU represents the Reporting Person's right to receive one share of Common Stock, subject to stock price-related conditions. The additional RSUs generally vest annually in 60%, 20% and 20% installments, respectfully, commencing March 2027, subject to performance."}],"balance_after":29678,"derivative":{"underlying":"Common Stock","underlying_shares":29678},"source":{"system":"sec-edgar","filing":"0001193125-26-092207","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1983511/000119312526092207/ownership.xml","form_type":"4"}},{"id":862168,"issuer":{"id":3869,"kind":"organization","name":"Sotera Health Co"},"owners":[{"id":25496,"kind":"person","name":"Lyons Jonathan M.","position":1,"cik":"0001983511","reported_name":"Lyons Jonathan M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, CFO"}}],"security":"Performance RSUs","published_at":"2026-03-05T01:54:25.000Z","date":"2026-03-02","kind":"exercise","planned":false,"acquired":false,"shares":17937,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"These securities consist of additional performance-based RSUs that were granted on March 3, 2025, pursuant to the terms of an RSU Agreement under the 2020 Incentive Plan. Each additional RSU represented the Reporting Person's right to receive one share of Common Stock subject to stock price-related performance conditions. Regarding the additional RSUs, the Reporting Person vested in 17,937 shares of Common Stock on March 2, 2026. The remaining additional RSUs under the award vest annually in equal installments in March 2027 and March 2028, subject to performance."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"These securities consist of additional performance-based RSUs that were granted on March 3, 2025, pursuant to the terms of an RSU Agreement under the 2020 Incentive Plan. Each additional RSU represented the Reporting Person's right to receive one share of Common Stock subject to stock price-related performance conditions. Regarding the additional RSUs, the Reporting Person vested in 17,937 shares of Common Stock on March 2, 2026. The remaining additional RSUs under the award vest annually in equal installments in March 2027 and March 2028, subject to performance."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These securities consist of additional performance-based RSUs that were granted on March 3, 2025, pursuant to the terms of an RSU Agreement under the 2020 Incentive Plan. Each additional RSU represented the Reporting Person's right to receive one share of Common Stock subject to stock price-related performance conditions. Regarding the additional RSUs, the Reporting Person vested in 17,937 shares of Common Stock on March 2, 2026. The remaining additional RSUs under the award vest annually in equal installments in March 2027 and March 2028, subject to performance."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"These securities consist of additional performance-based RSUs that were granted on March 3, 2025, pursuant to the terms of an RSU Agreement under the 2020 Incentive Plan. Each additional RSU represented the Reporting Person's right to receive one share of Common Stock subject to stock price-related performance conditions. Regarding the additional RSUs, the Reporting Person vested in 17,937 shares of Common Stock on March 2, 2026. The remaining additional RSUs under the award vest annually in equal installments in March 2027 and March 2028, subject to performance."}],"balance_after":11958,"derivative":{"underlying":"Common Stock","underlying_shares":17937},"source":{"system":"sec-edgar","filing":"0001193125-26-092207","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1983511/000119312526092207/ownership.xml","form_type":"4"}},{"id":862167,"issuer":{"id":3869,"kind":"organization","name":"Sotera Health Co"},"owners":[{"id":25496,"kind":"person","name":"Lyons Jonathan M.","position":1,"cik":"0001983511","reported_name":"Lyons Jonathan M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, CFO"}}],"security":"Common Stock","published_at":"2026-03-05T01:54:25.000Z","date":"2026-03-02","kind":"grant","planned":false,"acquired":true,"shares":59355,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F6","text":"These securities consist of RSUs that were granted on March 2, 2026, pursuant to the terms of an RSU agreement under the 2020 Incentive Plan. Each RSU represents the Reporting Person's right to receive one share of Common Stock, subject to vesting conditions. The RSUs generally vest annually in 60%, 20%, and 20% installments, respectively, commencing March 2027."}],"balance_after":228620,"source":{"system":"sec-edgar","filing":"0001193125-26-092207","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1983511/000119312526092207/ownership.xml","form_type":"4"}},{"id":862166,"issuer":{"id":3869,"kind":"organization","name":"Sotera Health Co"},"owners":[{"id":25496,"kind":"person","name":"Lyons Jonathan M.","position":1,"cik":"0001983511","reported_name":"Lyons Jonathan M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, CFO"}}],"security":"Common Stock","published_at":"2026-03-05T01:54:25.000Z","date":"2026-03-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":8240,"price":15.91,"value":131098.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"These securities represent the number of shares of Common Stock withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations due upon the vesting of 18,684 RSUs granted to the Reporting Person on March 3, 2025. This award was granted pursuant to the terms of an RSU agreement under the 2020 Incentive Plan. Each RSU represents the Reporting Person's right to receive one share of Common Stock, subject to vesting conditions."}],"balance_after":169265,"source":{"system":"sec-edgar","filing":"0001193125-26-092207","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1983511/000119312526092207/ownership.xml","form_type":"4"}},{"id":862165,"issuer":{"id":3869,"kind":"organization","name":"Sotera Health Co"},"owners":[{"id":25496,"kind":"person","name":"Lyons Jonathan M.","position":1,"cik":"0001983511","reported_name":"Lyons Jonathan M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, CFO"}}],"security":"Common Stock","published_at":"2026-03-05T01:54:25.000Z","date":"2026-03-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":23988,"price":15.91,"value":381649.08,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"These securities represent the number of shares of Common Stock withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations due upon the vesting of 53,811 RSUs granted to the Reporting Person on March 3, 2025. This award was granted pursuant to the terms of an RSU agreement under the 2020 Incentive Plan. Each RSU represents the Reporting Person's right to recieve one share of Common Stock, subject to vesting conditions or performance, as applicable."}],"balance_after":177505,"source":{"system":"sec-edgar","filing":"0001193125-26-092207","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1983511/000119312526092207/ownership.xml","form_type":"4"}},{"id":862164,"issuer":{"id":3869,"kind":"organization","name":"Sotera Health Co"},"owners":[{"id":25496,"kind":"person","name":"Lyons Jonathan M.","position":1,"cik":"0001983511","reported_name":"Lyons Jonathan M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, CFO"}}],"security":"Common Stock","published_at":"2026-03-05T01:54:25.000Z","date":"2026-03-02","kind":"exercise","planned":false,"acquired":true,"shares":17937,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"A portion of the Reporting Person's March 3, 2025 additional performance-based RSUs vested on March 2, 2026 based upon the achievement of performance conditions. As a result, the Reporting Person received an additional 17,937 shares of Common Stock."},{"field":"shares","element":"transactionShares","label":"F3","text":"These securities consist of additional performance-based RSUs that were granted on March 3, 2025, pursuant to the terms of an RSU Agreement under the 2020 Incentive Plan. Each additional RSU represented the Reporting Person's right to receive one share of Common Stock subject to stock price-related performance conditions. Regarding the additional RSUs, the Reporting Person vested in 17,937 shares of Common Stock on March 2, 2026. The remaining additional RSUs under the award vest annually in equal installments in March 2027 and March 2028, subject to performance."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"These securities consist of additional performance-based RSUs that were granted on March 3, 2025, pursuant to the terms of an RSU Agreement under the 2020 Incentive Plan. Each additional RSU represented the Reporting Person's right to receive one share of Common Stock subject to stock price-related performance conditions. Regarding the additional RSUs, the Reporting Person vested in 17,937 shares of Common Stock on March 2, 2026. The remaining additional RSUs under the award vest annually in equal installments in March 2027 and March 2028, subject to performance."}],"balance_after":201493,"source":{"system":"sec-edgar","filing":"0001193125-26-092207","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1983511/000119312526092207/ownership.xml","form_type":"4"}},{"id":862163,"issuer":{"id":3869,"kind":"organization","name":"Sotera Health Co"},"owners":[{"id":25496,"kind":"person","name":"Lyons Jonathan M.","position":1,"cik":"0001983511","reported_name":"Lyons Jonathan M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, CFO"}}],"security":"Common Stock, $0.01 par value per share (\"Common Stock\")","published_at":"2026-03-05T01:54:25.000Z","date":"2026-03-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":6046,"price":15.91,"value":96191.86,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities represent the number of shares of Common Stock withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations due upon the vesting of 13,708 Restricted Stock Units (\"RSUs\") granted to the Reporting Person on March 4, 2024. This award was granted pursuant to the terms of an RSU agreement under the Sotera Health Company 2020 Omnibus Incentive Plan (\"2020 Incentive Plan\"). Each RSU represents the Reporting Person's right to receive one share of Common Stock, subject to vesting conditions."}],"balance_after":183556,"source":{"system":"sec-edgar","filing":"0001193125-26-092207","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1983511/000119312526092207/ownership.xml","form_type":"4"}},{"id":1072447,"issuer":{"id":3869,"kind":"organization","name":"Sotera Health Co"},"owners":[{"id":25496,"kind":"person","name":"Lyons Jonathan M.","position":1,"cik":"0001983511","reported_name":"Lyons Jonathan M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, CFO"}}],"security":"Common Stock, $0.01 par value per share (\"Common Stock\")","published_at":"2025-08-07T22:09:02.000Z","date":"2025-08-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":11508,"price":11.19,"value":128774.52,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities represent the number of shares of Common Stock withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations due upon the vesting of 25,655 Restricted Stock Units (\"RSUs\"), which represents 33% of the RSU award granted to the Reporting Person on August 7, 2023. These awards were granted pursuant to the terms of RSU agreements under the Sotera Health Company 2020 Omnibus Incentive Plan (\"2020 Incentive Plan\"). Each RSU represents the Reporting Person's right to receive one share of Common Stock, subject to vesting conditions."}],"balance_after":189602,"source":{"system":"sec-edgar","filing":"0000950170-25-105286","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1983511/000095017025105286/ownership.xml","form_type":"4"}},{"id":1229740,"issuer":{"id":3869,"kind":"organization","name":"Sotera Health Co"},"owners":[{"id":25496,"kind":"person","name":"Lyons Jonathan M.","position":1,"cik":"0001983511","reported_name":"Lyons Jonathan M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, CFO"}}],"security":"Performance RSUs","published_at":"2025-03-05T01:36:07.000Z","date":"2025-03-03","kind":"grant","planned":false,"acquired":true,"shares":29895,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"These securities consist of a maximum number of additional performance-based RSUs that were granted on March 3, 2025, pursuant to the terms of an RSU agreement under the 2020 Incentive Plan. Each additional RSU represents the Reporting Person's right to receive one share of Common Stock, subject to stock price-related performance conditions. The additional RSUs generally vest annually in 60%, 20%, and 20% installments, respectively, commencing March 3, 2026, subject to performance."},{"field":"shares","element":"transactionShares","label":"F5","text":"These securities consist of a maximum number of additional performance-based RSUs that were granted on March 3, 2025, pursuant to the terms of an RSU agreement under the 2020 Incentive Plan. Each additional RSU represents the Reporting Person's right to receive one share of Common Stock, subject to stock price-related performance conditions. The additional RSUs generally vest annually in 60%, 20%, and 20% installments, respectively, commencing March 3, 2026, subject to performance."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"These securities consist of a maximum number of additional performance-based RSUs that were granted on March 3, 2025, pursuant to the terms of an RSU agreement under the 2020 Incentive Plan. Each additional RSU represents the Reporting Person's right to receive one share of Common Stock, subject to stock price-related performance conditions. The additional RSUs generally vest annually in 60%, 20%, and 20% installments, respectively, commencing March 3, 2026, subject to performance."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"These securities consist of a maximum number of additional performance-based RSUs that were granted on March 3, 2025, pursuant to the terms of an RSU agreement under the 2020 Incentive Plan. Each additional RSU represents the Reporting Person's right to receive one share of Common Stock, subject to stock price-related performance conditions. The additional RSUs generally vest annually in 60%, 20%, and 20% installments, respectively, commencing March 3, 2026, subject to performance."}],"balance_after":29895,"derivative":{"underlying":"Common Stock","underlying_shares":29895},"source":{"system":"sec-edgar","filing":"0000950170-25-032829","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1983511/000095017025032829/ownership.xml","form_type":"4"}},{"id":1229739,"issuer":{"id":3869,"kind":"organization","name":"Sotera Health Co"},"owners":[{"id":25496,"kind":"person","name":"Lyons Jonathan M.","position":1,"cik":"0001983511","reported_name":"Lyons Jonathan M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, CFO"}}],"security":"Common Stock","published_at":"2025-03-05T01:36:07.000Z","date":"2025-03-03","kind":"grant","planned":false,"acquired":true,"shares":37369,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These securities consist of RSUs that were granted on March 3, 2025, pursuant to the terms of an RSU agreement under the 2020 Incentive Plan.  Each RSU represents the Reporting Person's right to receive one share of Common Stock, subject to vesting condictions. The RSUs vest in two equal installments on each of March 3, 2026 and March 3, 2027, subject to the Reporting Person's continued service through each such date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"These securities consist of 175,887 RSUs and 25,223 shares of Common Stock."}],"balance_after":201110,"source":{"system":"sec-edgar","filing":"0000950170-25-032829","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1983511/000095017025032829/ownership.xml","form_type":"4"}},{"id":1229738,"issuer":{"id":3869,"kind":"organization","name":"Sotera Health Co"},"owners":[{"id":25496,"kind":"person","name":"Lyons Jonathan M.","position":1,"cik":"0001983511","reported_name":"Lyons Jonathan M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, CFO"}}],"security":"Common Stock","published_at":"2025-03-05T01:36:07.000Z","date":"2025-03-03","kind":"grant","planned":false,"acquired":true,"shares":59790,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These securities consist of RSUs that were granted on March 3, 2025, pursuant to the terms of an RSU agreement under the 2020 Incentive Plan. Each RSU represents the Reporting Person's right to receive one share of Common Stock, subject to vesting conditions. The RSUs generally vest annually in 60%, 20%, and 20% installments, respectively, commencing March 3, 2026."}],"balance_after":163741,"source":{"system":"sec-edgar","filing":"0000950170-25-032829","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1983511/000095017025032829/ownership.xml","form_type":"4"}},{"id":1229737,"issuer":{"id":3869,"kind":"organization","name":"Sotera Health Co"},"owners":[{"id":25496,"kind":"person","name":"Lyons Jonathan M.","position":1,"cik":"0001983511","reported_name":"Lyons Jonathan M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, CFO"}}],"security":"Common Stock, $0.01 par value per share (\"Common Stock\")","published_at":"2025-03-05T01:36:07.000Z","date":"2025-03-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":6481,"price":12.47,"value":80818.07,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities represent the number of shares of Common Stock withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations due upon the vesting of 13,708 Restricted Stock Units (\"RSUs\"), which represents 33% of the RSU award granted to the Reporting Person on March 4, 2024. This award was granted pursuant to the terms of an RSU agreement under the Sotera Health Company 2020 Omnibus Incentive Plan (\"2020 Incentive Plan\"). Each RSU represents the Reporting Person's right to receive one share of Common Stock, subject to vesting conditions."}],"balance_after":103951,"source":{"system":"sec-edgar","filing":"0000950170-25-032829","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1983511/000095017025032829/ownership.xml","form_type":"4"}},{"id":1438931,"issuer":{"id":3869,"kind":"organization","name":"Sotera Health Co"},"owners":[{"id":25496,"kind":"person","name":"Lyons Jonathan M.","position":1,"cik":"0001983511","reported_name":"Lyons Jonathan M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, CFO"}}],"security":"Common Stock, $0.01 par value per share (\"Common Stock\")","published_at":"2024-08-07T20:20:10.000Z","date":"2024-08-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":7659,"price":14.22,"value":108910.98,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities represent the number of shares of Common Stock withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations due upon the vesting of 25,655 Restricted Stock Units (\"RSUs\"), which represents 33% of the RSU awards granted to the Reporting Person on August 7, 2023. These awards were granted pursuant to the terms of RSU agreements under the Sotera Health Company 2020 Omnibus Incentive Plan (\"2020 Incentive Plan\"). Each RSU represents the Reporting Person's right to receive one share of Common Stock, subject to vesting conditions."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the closing price of the Common Stock on August 5, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"These securities consist of 92,436 RSUs and 17,996 shares of Common Stock."}],"balance_after":110432,"source":{"system":"sec-edgar","filing":"0000950170-24-092827","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1983511/000095017024092827/ownership.xml","form_type":"4"}},{"id":1592183,"issuer":{"id":3869,"kind":"organization","name":"Sotera Health Co"},"owners":[{"id":25496,"kind":"person","name":"Lyons Jonathan M.","position":1,"cik":"0001983511","reported_name":"Lyons Jonathan M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, CFO"}}],"security":"Stock Options","published_at":"2024-03-06T21:54:29.000Z","date":"2024-03-04","kind":"grant","planned":false,"acquired":true,"shares":81676,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These options were granted on March 4, 2024, pursuant to the terms of a stock option agreement under the 2020 Incentive Plan. The options vest annually in three equal installments commencing March 2, 2025, subject to vesting conditions."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"These options were granted on March 4, 2024, pursuant to the terms of a stock option agreement under the 2020 Incentive Plan. The options vest annually in three equal installments commencing March 2, 2025, subject to vesting conditions."}],"balance_after":81676,"derivative":{"exercise_price":14.59,"expiration_date":"2034-03-04","underlying":"Common Stock","underlying_shares":81676},"source":{"system":"sec-edgar","filing":"0000950170-24-027276","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1983511/000095017024027276/ownership.xml","form_type":"4"}},{"id":1592182,"issuer":{"id":3869,"kind":"organization","name":"Sotera Health Co"},"owners":[{"id":25496,"kind":"person","name":"Lyons Jonathan M.","position":1,"cik":"0001983511","reported_name":"Lyons Jonathan M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, CFO"}}],"security":"Common Stock, $0.01 par value per share (\"Common Stock\")","published_at":"2024-03-06T21:54:29.000Z","date":"2024-03-04","kind":"grant","planned":false,"acquired":true,"shares":41124,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities consist of Restricted Stock Units (\"RSUs\") that were granted on March 4, 2024, pursuant to the terms of an RSU agreement under the Sotera Health Company 2020 Omnibus Incentive Plan (\"2020 Incentive Plan\"). Each RSU represents the Reporting Person's right to receive one share of Common Stock, subject to vesting conditions. The RSUs vest annually in three equal installments commencing March 2, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"These securites consist of 118,091 RSUs."}],"balance_after":118091,"source":{"system":"sec-edgar","filing":"0000950170-24-027276","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1983511/000095017024027276/ownership.xml","form_type":"4"}},{"id":1812234,"issuer":{"id":3869,"kind":"organization","name":"Sotera Health Co"},"owners":[{"id":25496,"kind":"person","name":"Lyons Jonathan M.","position":1,"cik":"0001983511","reported_name":"Lyons Jonathan M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, CFO"}}],"security":"Stock Options","published_at":"2023-08-09T22:32:42.000Z","date":"2023-08-07","kind":"grant","planned":false,"acquired":true,"shares":33640,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These options were granted on August 7, 2023, pursuant to the terms of a stock option agreement under the 2020 Incentive Plan.  The options vest annually in three equal installments commencing August 5, 2024, subject to the Reporting Person's continued service through each such date."}],"balance_after":33640,"derivative":{"exercise_price":16.89,"expiration_date":"2033-08-07","underlying":"Common Stock","underlying_shares":33640},"source":{"system":"sec-edgar","filing":"0001209191-23-045237","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1983511/000120919123045237/doc4.xml","form_type":"4"}},{"id":1812233,"issuer":{"id":3869,"kind":"organization","name":"Sotera Health Co"},"owners":[{"id":25496,"kind":"person","name":"Lyons Jonathan M.","position":1,"cik":"0001983511","reported_name":"Lyons Jonathan M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, CFO"}}],"security":"Common Stock, $0.01 par value per share (Common Stock)","published_at":"2023-08-09T22:32:42.000Z","date":"2023-08-07","kind":"grant","planned":false,"acquired":true,"shares":76967,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities consist of Restricted Stock Units (\"RSUs\") that were granted on August 7, 2023, pursuant to the terms of an RSU agreement under the Sotera Health Company 2020 Omnibus Incentive Plan (\"2020 Incentive Plan\"). Each RSU represents the Reporting Person's right to receive one share of Common Stock, subject to vesting conditions. The RSUs vest annually in three equal installments commencing on August 5, 2024, subject to the Reporting Person's continued service through each such date."}],"balance_after":76967,"source":{"system":"sec-edgar","filing":"0001209191-23-045237","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1983511/000120919123045237/doc4.xml","form_type":"4"}}]}