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All transactions are exempt from Section 16(b) pursuant to Rule 16b-3(e)."},{"field":"kind","element":"transactionCoding","label":"F4","text":"At the Effective Time, each outstanding and unexercised stock option converted into a corresponding option with respect to Fifth Third Common Stock in accordance with the terms set forth in the Merger Agreement. All transactions are exempt from Section 16(b) pursuant to Rule 16b-3(e)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"At the Effective Time, each outstanding and unexercised stock option converted into a corresponding option with respect to Fifth Third Common Stock in accordance with the terms set forth in the Merger Agreement. 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All transactions are exempt from Section 16(b) pursuant to Rule 16b-3(e)."},{"field":"kind","element":"transactionCoding","label":"F4","text":"At the Effective Time, each outstanding and unexercised stock option converted into a corresponding option with respect to Fifth Third Common Stock in accordance with the terms set forth in the Merger Agreement. All transactions are exempt from Section 16(b) pursuant to Rule 16b-3(e)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"At the Effective Time, each outstanding and unexercised stock option converted into a corresponding option with respect to Fifth Third Common Stock in accordance with the terms set forth in the Merger Agreement. All transactions are exempt from Section 16(b) pursuant to Rule 16b-3(e)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"At the Effective Time, each outstanding and unexercised stock option converted into a corresponding option with respect to Fifth Third Common Stock in accordance with the terms set forth in the Merger Agreement. All transactions are exempt from Section 16(b) pursuant to Rule 16b-3(e)."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F4","text":"At the Effective Time, each outstanding and unexercised stock option converted into a corresponding option with respect to Fifth Third Common Stock in accordance with the terms set forth in the Merger Agreement. All transactions are exempt from Section 16(b) pursuant to Rule 16b-3(e)."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1340},"source":{"system":"sec-edgar","filing":"0001628280-26-005053","document":"wk-form4_1770154476.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/28412/000162828026005053/wk-form4_1770154476.xml","form_type":"4"}},{"id":924252,"issuer":{"id":68125,"kind":"organization","name":"COMERICA INC","symbol":"CMA"},"owners":[{"id":50945,"kind":"person","name":"Sefzik Peter L","position":1,"cik":"0001652659","reported_name":"Sefzik Peter L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr EVP & Chief Banking Officer"}}],"security":"Common Stock","published_at":"2026-02-03T16:34:39.000Z","date":"2026-02-01","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":101877,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"As previously disclosed in a Current Report on Form 8-K filed with the SEC on February 2, 2026, at 12:01 a.m. ET on February 1, 2026 (the \"Effective Time\"), the issuer completed its previously\nannounced merger with Fifth Third Bancorp (\"Fifth Third\"), and each share of the issuer's common stock, $5.00 par value per share, was converted into 1.8663 shares of Fifth Third common stock, no\npar value (\"Fifth Third Common Stock\"). All transactions reflected herein are dispositions in connection with the merger. The closing price of Fifth Third Common Stock on the Nasdaq Stock Market LLC on the last trading day prior to the Effective Time was $50.22 per share."},{"field":"kind","element":"transactionCoding","label":"F2","text":"At the Effective Time, all equity awards held by the reporting person were converted to (i) an equivalent Fifth Third equity award or (ii) Fifth Third Common Stock, in accordance with the terms set\nforth in the merger agreement, which was previously filed as Exhibit 2.1 to the Current Report on Form 8-K filed with the SEC on October 9, 2025 (the \"Merger Agreement\")."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"As previously disclosed in a Current Report on Form 8-K filed with the SEC on February 2, 2026, at 12:01 a.m. ET on February 1, 2026 (the \"Effective Time\"), the issuer completed its previously\nannounced merger with Fifth Third Bancorp (\"Fifth Third\"), and each share of the issuer's common stock, $5.00 par value per share, was converted into 1.8663 shares of Fifth Third common stock, no\npar value (\"Fifth Third Common Stock\"). 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