{"transactions":[{"id":4638497,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-10-09T19:51:18.000Z","date":"2026-10-09","kind":"grant","planned":false,"acquired":true,"shares":105,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's 2023 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":51705,"source":{"system":"sec-edgar","filing":"0001022671-26-000156","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1597069/000102267126000156/form4.xml","form_type":"4"}},{"id":710071,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-14T15:15:43.000Z","date":"2026-07-10","kind":"grant","planned":false,"acquired":true,"shares":109,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's 2023 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":51600,"source":{"system":"sec-edgar","filing":"0001022671-26-000140","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000140/form4.xml","form_type":"4"}},{"id":757769,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-01T20:45:04.000Z","date":"2026-06-01","kind":"grant","planned":false,"acquired":true,"shares":712,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Issued as deferred stock units (DSUs) in connection with reporting person's retainer as a director under the Company's 2023 Equity Incentive Plan and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3). These DSUs are reportable, however, as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in common stock. See Lincoln National Corp. (March 20, 1992) (Q.3). The DSUs vest as follows: 1/4 on 8/31/2026, 1/4 on 11/30/2026, 1/4 on 2/28/2027 and 1/4 on 5/31/2027."}],"balance_after":51491,"source":{"system":"sec-edgar","filing":"0001022671-26-000127","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000127/form4.xml","form_type":"4"}},{"id":809933,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-13T18:58:14.000Z","date":"2026-04-10","kind":"grant","planned":false,"acquired":true,"shares":129,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's 2023 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":50779,"source":{"system":"sec-edgar","filing":"0001022671-26-000093","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000093/form4.xml","form_type":"4"}},{"id":941426,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-01-12T21:30:26.000Z","date":"2026-01-09","kind":"grant","planned":false,"acquired":true,"shares":135,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's 2023 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":50650,"source":{"system":"sec-edgar","filing":"0001022671-26-000015","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000015/form4.xml","form_type":"4"}},{"id":1019605,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-10-14T17:40:51.000Z","date":"2025-10-10","kind":"grant","planned":false,"acquired":true,"shares":155,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's 2023 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":50515,"source":{"system":"sec-edgar","filing":"0001022671-25-000017","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267125000017/form4.xml","form_type":"4"}},{"id":1088196,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-07-14T19:44:02.000Z","date":"2025-07-11","kind":"grant","planned":false,"acquired":true,"shares":166,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's 2023 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":50360,"source":{"system":"sec-edgar","filing":"0001062993-25-012818","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299325012818/form4.xml","form_type":"4"}},{"id":1126064,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-06-03T18:32:23.000Z","date":"2025-06-02","kind":"grant","planned":false,"acquired":true,"shares":1504,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Issued as deferred stock units (DSUs) in connection with reporting person's retainer as a director under the Company's 2023 Equity Incentive Plan and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3). These DSUs are reportable, however, as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in common stock. See Lincoln National Corp. (March 20, 1992) (Q.3). The DSUs vest as follows: 1/4 on 8/31/2025, 1/4 on 11/30/2025, 1/4 on 2/28/2026 and 1/4 on 5/31/2026."}],"balance_after":50194,"source":{"system":"sec-edgar","filing":"0001062993-25-010792","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299325010792/form4.xml","form_type":"4"}},{"id":1172917,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-04-14T19:03:27.000Z","date":"2025-04-11","kind":"grant","planned":false,"acquired":true,"shares":190,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's 2023 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":48690,"source":{"system":"sec-edgar","filing":"0001062993-25-007434","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299325007434/form4.xml","form_type":"4"}},{"id":1304525,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-01-13T15:34:38.000Z","date":"2025-01-10","kind":"grant","planned":false,"acquired":true,"shares":175,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's 2023 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":48500,"source":{"system":"sec-edgar","filing":"0001062993-25-000705","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299325000705/form4.xml","form_type":"4"}},{"id":1387740,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-10-11T15:23:01.000Z","date":"2024-10-11","kind":"grant","planned":false,"acquired":true,"shares":160,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's 2023 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":48325,"source":{"system":"sec-edgar","filing":"0001062993-24-017591","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299324017591/form4.xml","form_type":"4"}},{"id":1454835,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-07-15T20:22:01.000Z","date":"2024-07-12","kind":"grant","planned":false,"acquired":true,"shares":157,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's 2023 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":48165,"source":{"system":"sec-edgar","filing":"0001062993-24-013770","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299324013770/form4.xml","form_type":"4"}},{"id":1495648,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-06-03T19:17:18.000Z","date":"2024-06-03","kind":"grant","planned":false,"acquired":true,"shares":1233,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Issued as deferred stock units (DSUs) in connection with reporting person's retainer as a director under the Company's 2023 Equity Incentive Plan and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3). These DSUs are reportable, however, as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in common stock. See Lincoln National Corp. (March 20, 1992) (Q.3)."}],"balance_after":48008,"source":{"system":"sec-edgar","filing":"0001062993-24-011628","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299324011628/form4.xml","form_type":"4"}},{"id":1542198,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-04-15T20:38:06.000Z","date":"2024-04-12","kind":"grant","planned":false,"acquired":true,"shares":144,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's 2023 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":46775,"source":{"system":"sec-edgar","filing":"0001062993-24-008425","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299324008425/form4.xml","form_type":"4"}},{"id":1678343,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-01-17T19:03:12.000Z","date":"2024-01-16","kind":"grant","planned":false,"acquired":true,"shares":169,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's 2023 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":46631,"source":{"system":"sec-edgar","filing":"0001062993-24-000946","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299324000946/form4.xml","form_type":"4"}},{"id":1746984,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-11-08T21:40:16.000Z","date":"2023-11-07","kind":"sale","planned":false,"acquired":false,"shares":4717,"price":109.72,"value":517549.24,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $109.64 to $109.83, inclusive. The reporting person undertakes to provide to Steel Dynamics, Inc., any security holder of Steel Dynamics, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4."}],"balance_after":46462,"source":{"system":"sec-edgar","filing":"0001062993-23-020327","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299323020327/form4.xml","form_type":"4"}},{"id":1759248,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-10-17T15:30:14.000Z","date":"2023-10-16","kind":"grant","planned":false,"acquired":true,"shares":177,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's 2023 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":51179,"source":{"system":"sec-edgar","filing":"0001062993-23-019421","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299323019421/form4.xml","form_type":"4"}},{"id":1829817,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-07-14T19:32:33.000Z","date":"2023-07-14","kind":"grant","planned":false,"acquired":true,"shares":175,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's 2023 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":51002,"source":{"system":"sec-edgar","filing":"0001062993-23-014912","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299323014912/form4.xml","form_type":"4"}},{"id":1869080,"issuer":{"id":5850,"kind":"organization","name":"CPI Card Group Inc.","symbol":"PMTS"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true}}],"security":"Restricted Stock Units","published_at":"2023-06-03T01:25:38.000Z","date":"2023-05-31","kind":"grant","planned":false,"acquired":true,"shares":820,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents the right to receive one common share of the Issuer upon vesting of such RSU."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The 820 RSUs reported on this line vest on the first anniversary of the May 31, 2023 award date, subject to the reporting person's continued service through such date or as otherwise provided for in the applicable award agreement."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The 820 RSUs reported on this line vest on the first anniversary of the May 31, 2023 award date, subject to the reporting person's continued service through such date or as otherwise provided for in the applicable award agreement."}],"balance_after":820,"derivative":{"underlying":"Common Stock","underlying_shares":820},"source":{"system":"sec-edgar","filing":"0001140361-23-028186","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1597069/000114036123028186/form4.xml","form_type":"4"}},{"id":1870765,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-06-02T19:13:08.000Z","date":"2023-06-01","kind":"grant","planned":false,"acquired":true,"shares":1796,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Issued as deferred stock units (DSUs) in connection with reporting person's retainer as a director under the Company's 2023 Equity Incentive Plan and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3). These DSUs are reportable, however, as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in common stock. See Lincoln National Corp. (March 20, 1992) (Q.3)."}],"balance_after":50827,"source":{"system":"sec-edgar","filing":"0001062993-23-012720","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299323012720/form4.xml","form_type":"4"}},{"id":1918412,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-04-18T19:22:53.000Z","date":"2023-04-14","kind":"grant","planned":false,"acquired":true,"shares":176,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's Amended and Restated 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":49031,"source":{"system":"sec-edgar","filing":"0001062993-23-009271","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299323009271/form4.xml","form_type":"4"}},{"id":1926796,"issuer":{"id":5850,"kind":"organization","name":"CPI Card Group Inc.","symbol":"PMTS"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true}}],"security":"Restricted Stock Units","published_at":"2023-04-04T23:12:49.000Z","date":"2023-03-31","kind":"grant","planned":false,"acquired":true,"shares":627,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents the right to receive one common share of the Issuer upon vesting of such RSU."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The 627 RSUs reported on this line vest on the first anniversary of the March 31, 2023 award date, subject to the reporting person's continued service through such date or as otherwise provided for in the applicable award agreement."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The 627 RSUs reported on this line vest on the first anniversary of the March 31, 2023 award date, subject to the reporting person's continued service through such date or as otherwise provided for in the applicable award agreement."}],"balance_after":627,"derivative":{"underlying":"Common Stock","underlying_shares":627},"source":{"system":"sec-edgar","filing":"0001140361-23-016421","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1597069/000114036123016421/form4.xml","form_type":"4"}},{"id":1939953,"issuer":{"id":5850,"kind":"organization","name":"CPI Card Group Inc.","symbol":"PMTS"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true}}],"security":"Restricted Stock Units","published_at":"2023-03-23T23:44:05.000Z","date":"2023-03-21","kind":"exercise","planned":false,"acquired":false,"shares":5064,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents the right to receive one common share of the Issuer upon vesting of such RSU."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This line reports 100% of the RSUs that were awarded on September 21, 2021 (the \"award date\"), which vested on the 18 month anniversary of the award date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"This line reports 100% of the RSUs that were awarded on September 21, 2021 (the \"award date\"), which vested on the 18 month anniversary of the award date."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":5064},"source":{"system":"sec-edgar","filing":"0001140361-23-013524","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1597069/000114036123013524/form4.xml","form_type":"4"}},{"id":1939952,"issuer":{"id":5850,"kind":"organization","name":"CPI Card Group Inc.","symbol":"PMTS"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true}}],"security":"Common Stock","published_at":"2023-03-23T23:44:05.000Z","date":"2023-03-21","kind":"exercise","planned":false,"acquired":true,"shares":5064,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit (\"RSU\") represents the right to receive one common share of the Issuer upon vesting of such RSU."}],"balance_after":5064,"source":{"system":"sec-edgar","filing":"0001140361-23-013524","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1597069/000114036123013524/form4.xml","form_type":"4"}},{"id":2054043,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-01-17T21:14:51.000Z","date":"2023-01-13","kind":"grant","acquired":true,"shares":137,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's Amended and Restated 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":48855,"source":{"system":"sec-edgar","filing":"0001062993-23-000988","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299323000988/form4.xml","form_type":"4"}},{"id":2136602,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-10-17T19:45:39.000Z","date":"2022-10-14","kind":"grant","acquired":true,"shares":183,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's Amended and Restated 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":48718,"source":{"system":"sec-edgar","filing":"0001062993-22-020858","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299322020858/form4.xml","form_type":"4"}},{"id":2207219,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-07-15T20:13:59.000Z","date":"2022-07-15","kind":"grant","acquired":true,"shares":223,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's Amended and Restated 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":48535,"source":{"system":"sec-edgar","filing":"0001062993-22-016402","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299322016402/form4.xml","form_type":"4"}},{"id":2248096,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-06-02T18:08:30.000Z","date":"2022-06-01","kind":"grant","acquired":true,"shares":1687,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Issued as deferred stock units (DSUs) in connection with reporting person's retainer as a director under the Company's Amended and Restated 2015 Equity Incentive Plan and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3). These DSUs are reportable, however, as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in common stock. See Lincoln National Corp. (March 20, 1992) (Q.3)."}],"balance_after":48312,"source":{"system":"sec-edgar","filing":"0001062993-22-014105","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299322014105/form4.xml","form_type":"4"}},{"id":2292079,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-04-22T18:47:34.000Z","date":"2022-04-21","kind":"grant","acquired":true,"shares":160,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's Amended and Restated 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":46625,"source":{"system":"sec-edgar","filing":"0001062993-22-010661","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299322010661/form4.xml","form_type":"4"}},{"id":2434114,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-01-18T15:23:23.000Z","date":"2022-01-14","kind":"grant","acquired":true,"shares":170,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's Amended and Restated 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":46465,"source":{"system":"sec-edgar","filing":"0001062993-22-001148","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299322001148/form4.xml","form_type":"4"}},{"id":2540918,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-10-18T19:46:06.000Z","date":"2021-10-15","kind":"grant","acquired":true,"shares":174,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's Amended and Restated 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":46295,"source":{"system":"sec-edgar","filing":"0001062993-21-009676","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000106299321009676/form4.xml","form_type":"4"}},{"id":2560603,"issuer":{"id":5850,"kind":"organization","name":"CPI Card Group Inc.","symbol":"PMTS"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true}}],"security":"Restricted Stock Units","published_at":"2021-09-24T00:31:16.000Z","date":"2021-09-21","kind":"grant","acquired":true,"shares":5064,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents the right to receive one common share of Issuer upon vesting of such RSU."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The 5,064 RSUs reported on this line vest on the 18 month anniversary of the September 21, 2021 award date, subject to the reporting person's continued service through such date or as otherwise provided for in the applicable award agreement."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The 5,064 RSUs reported on this line vest on the 18 month anniversary of the September 21, 2021 award date, subject to the reporting person's continued service through such date or as otherwise provided for in the applicable award agreement."}],"balance_after":5064,"derivative":{"underlying":"Common Stock","underlying_shares":5064},"source":{"system":"sec-edgar","filing":"0001140361-21-032351","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1597069/000114036121032351/form4.xml","form_type":"4"}},{"id":2630995,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-07-19T18:24:50.000Z","date":"2021-07-16","kind":"grant","acquired":true,"shares":174,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's Amended and Restated 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":46121,"source":{"system":"sec-edgar","filing":"0001022671-21-000087","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267121000087/edgar.xml","form_type":"4"}},{"id":2687396,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-06-02T17:28:35.000Z","date":"2021-06-01","kind":"grant","acquired":true,"shares":2307,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Issued as deferred stock units (DSUs) in connection with reporting person's retainer as a director under the Company's Amended and Restated 2015 Equity Incentive Plan and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3).  These DSUs are reportable, however, as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in common stock.  See Lincoln National Corp. (March 20, 1992) (Q.3)."}],"balance_after":45947,"source":{"system":"sec-edgar","filing":"0001022671-21-000076","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267121000076/edgar.xml","form_type":"4"}},{"id":2744301,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-04-20T17:34:38.000Z","date":"2021-04-16","kind":"grant","acquired":true,"shares":195,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's Amended and Restated 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":43640,"source":{"system":"sec-edgar","filing":"0001022671-21-000052","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267121000052/edgar.xml","form_type":"4"}},{"id":2904944,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-01-19T18:22:20.000Z","date":"2021-01-15","kind":"grant","acquired":true,"shares":233,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's Amended and Restated 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":43445,"source":{"system":"sec-edgar","filing":"0001022671-21-000007","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267121000007/edgar.xml","form_type":"4"}},{"id":3003252,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-10-20T17:42:20.000Z","date":"2020-10-16","kind":"grant","acquired":true,"shares":282,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's Amended and Restated 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":43212,"source":{"system":"sec-edgar","filing":"0001022671-20-000089","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267120000089/edgar.xml","form_type":"4"}},{"id":3084544,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-07-13T19:27:38.000Z","date":"2020-07-10","kind":"grant","acquired":true,"shares":376,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's Amended and Restated 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":42930,"source":{"system":"sec-edgar","filing":"0001022671-20-000076","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267120000076/edgar.xml","form_type":"4"}},{"id":3127745,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-06-02T17:00:48.000Z","date":"2020-06-01","kind":"grant","acquired":true,"shares":4895,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Issued as deferred stock units (DSUs) in connection with reporting person's retainer as a director under the Company's Amended and Restated 2015 Equity Incentive Plan and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3).  These DSUs are reportable, however, as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in common stock.  See Lincoln National Corp. (March 20, 1992) (Q.3)."}],"balance_after":42554,"source":{"system":"sec-edgar","filing":"0001022671-20-000067","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267120000067/edgar.xml","form_type":"4"}},{"id":3177401,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-04-14T18:30:38.000Z","date":"2020-04-10","kind":"grant","acquired":true,"shares":331,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's Amended and Restated 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":37659,"source":{"system":"sec-edgar","filing":"0001022671-20-000056","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267120000056/edgar.xml","form_type":"4"}},{"id":3216387,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-03-11T20:40:50.000Z","date":"2020-03-11","kind":"purchase","acquired":true,"shares":6000,"price":20.85,"value":125100.0,"ownership":{"direct":true},"balance_after":37328,"source":{"system":"sec-edgar","filing":"0001022671-20-000041","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267120000041/edgar.xml","form_type":"4"}},{"id":3311890,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-01-14T19:40:26.000Z","date":"2020-01-10","kind":"grant","acquired":true,"shares":226,"price":33.54,"value":7580.04,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's Amended and Restated 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock.  (See Lincoln National Corp. (March 20, 1992) (Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":31328,"source":{"system":"sec-edgar","filing":"0001022671-20-000008","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267120000008/edgar.xml","form_type":"4"}},{"id":3393877,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-10-15T14:46:58.000Z","date":"2019-10-11","kind":"grant","acquired":true,"shares":257,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the the Company's Amended and Restated 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock.  (See Lincoln National Corp. (March 20, 1992) (Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":31102,"source":{"system":"sec-edgar","filing":"0001022671-19-000083","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267119000083/edgar.xml","form_type":"4"}},{"id":3461133,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-07-16T19:09:35.000Z","date":"2019-07-12","kind":"grant","acquired":true,"shares":253,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the the Company's Amended and Restated 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock.  (See Lincoln National Corp. (March 20, 1992) (Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":30845,"source":{"system":"sec-edgar","filing":"0001022671-19-000070","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267119000070/edgar.xml","form_type":"4"}},{"id":3501054,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-06-05T15:13:02.000Z","date":"2019-06-03","kind":"grant","acquired":true,"shares":5169,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Issued as deferred stock units (DSUs) in connection with reporting person's retainer as a director under the Company's Amended and Restated 2015 Equity Incentive Plan and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3).  These DSUs are reportable, however, as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in common stock.  (See Lincoln National Corp. (March 20, 1992) (Q.3)."}],"balance_after":30592,"source":{"system":"sec-edgar","filing":"0001022671-19-000059","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267119000059/edgar.xml","form_type":"4"}},{"id":3555267,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-04-16T18:47:32.000Z","date":"2019-04-12","kind":"grant","acquired":true,"shares":182,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Steel Dynamics, Inc. 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock.  (See Lincoln National Corp. (March 20, 1992) (Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":25423,"source":{"system":"sec-edgar","filing":"0001022671-19-000046","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267119000046/edgar.xml","form_type":"4"}},{"id":3695756,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-01-15T18:30:47.000Z","date":"2019-01-11","kind":"grant","acquired":true,"shares":143,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Steel Dynamics, Inc. 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock.  (See Lincoln National Corp. (March 20, 1992) (Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":25241,"source":{"system":"sec-edgar","filing":"0001022671-19-000008","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267119000008/edgar.xml","form_type":"4"}},{"id":3791295,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-10-15T20:31:56.000Z","date":"2018-10-12","kind":"grant","acquired":true,"shares":113,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Steel Dynamics, Inc. 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock.  (See Lincoln National Corp. (March 20, 1992) (Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":25098,"source":{"system":"sec-edgar","filing":"0001022671-18-000073","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267118000073/edgar.xml","form_type":"4"}},{"id":3866606,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-07-17T15:58:40.000Z","date":"2018-07-13","kind":"grant","acquired":true,"shares":103,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Steel Dynamics, Inc. 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock.  (See Lincoln National Corp. (March 20, 1992) (Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":24985,"source":{"system":"sec-edgar","filing":"0001022671-18-000063","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267118000063/edgar.xml","form_type":"4"}},{"id":3906271,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-06-05T18:44:58.000Z","date":"2018-06-01","kind":"grant","acquired":true,"shares":2630,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Issued as deferred stock units (DSUs) in connection with reporting person's retainer as a director under the Steel Dynamics, Inc. 2015 Equity Incentive Plan and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3).  These DSUs are reportable, however, as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in common stock.  (See Lincoln National Corp. (March 20, 1992) (Q.3)."}],"balance_after":24882,"source":{"system":"sec-edgar","filing":"0001022671-18-000048","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267118000048/edgar.xml","form_type":"4"}},{"id":3963409,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-04-16T20:28:57.000Z","date":"2018-04-13","kind":"grant","acquired":true,"shares":94,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of additional shares of common stock underlying deferred stock units (DSUs) issued to the reporting person as a dividend equivalent on existing DSUs, in connection with this person's retainer as a director under the Steel Dynamics, Inc. 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock.  (See Lincoln National Corp. (March 20, 1992) (Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":22252,"source":{"system":"sec-edgar","filing":"0001022671-18-000036","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267118000036/edgar.xml","form_type":"4"}},{"id":4100718,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-01-12T18:35:02.000Z","date":"2018-01-10","kind":"grant","acquired":true,"shares":79,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of additional shares of common stock underlying deferred stock units (DSUs) issued to the reporting person as a dividend equivalent on existing DSUs, in connection with this person's retainer as a director under the Steel Dynamics, Inc. 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock.  (See Lincoln National Corp. (March 20, 1992) (Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":22158,"source":{"system":"sec-edgar","filing":"0001022671-18-000008","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267118000008/edgar.xml","form_type":"4"}},{"id":4186986,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-10-13T18:49:48.000Z","date":"2017-10-12","kind":"grant","acquired":true,"shares":97,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of additional shares of common stock underlying deferred stock units (DSUs) issued to the reporting person as a dividend equivalent on existing DSUs, in connection with this person's retainer as a director under the Steel Dynamics, Inc. 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock.  (See Lincoln National Corp. (March 20, 1992) (Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":22079,"source":{"system":"sec-edgar","filing":"0001022671-17-000086","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267117000086/edgar.xml","form_type":"4"}},{"id":4259252,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-07-11T19:30:36.000Z","date":"2017-07-07","kind":"grant","acquired":true,"shares":94,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of additional shares of common stock underlying deferred stock units (DSUs) issued to the reporting person as a dividend equivalent on existing DSUs, in connection with this person's retainer as a director under the Steel Dynamics, Inc. 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock.  (See Lincoln National Corp. (March 20, 1992) (Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":21982,"source":{"system":"sec-edgar","filing":"0001022671-17-000074","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267117000074/edgar.xml","form_type":"4"}},{"id":4291641,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-06-06T13:59:29.000Z","date":"2017-06-01","kind":"grant","acquired":true,"shares":3531,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Issued as deferred stock units (DSUs) in connection with reporting person's retainer, as a director, under the Steel Dynamics, Inc. 2015 Equity Incentive Plan and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3).  These DSUs are reportable, however, as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in common stock.  (See Lincoln National Corp. (March 20, 1992) (Q.3))."}],"balance_after":21888,"source":{"system":"sec-edgar","filing":"0001022671-17-000065","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267117000065/edgar.xml","form_type":"4/A","original_submission_date":"2017-06-05"}},{"id":4293736,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-06-05T18:25:34.000Z","date":"2017-06-01","kind":"grant","acquired":true,"shares":3531,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Issued as deferred stock units (DSUs) in connection with reporting person's retainer, as a director, under the Steel Dynamics, Inc. 2015 Equity Incentive Plan and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3).  These DSUs are reportable, however, as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in common stock.  (See Lincoln National Corp. (March 20, 1992) (Q.3)."}],"balance_after":21888,"source":{"system":"sec-edgar","filing":"0001022671-17-000060","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267117000060/edgar.xml","form_type":"4"}},{"id":4353859,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-04-12T16:46:40.000Z","date":"2017-04-10","kind":"grant","acquired":true,"shares":83,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of additional shares of common stock, underlying deferred stock units (DSUs), issued to the reporting person as a dividend equivalent on existing DSUs, in connection with this person's retainer as a director under the Steel Dynamics, Inc. 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11 and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock.  (See Lincoln National Corp. (March 20, 1992) (Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":18357,"source":{"system":"sec-edgar","filing":"0001022671-17-000042","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267117000042/edgar.xml","form_type":"4"}},{"id":4490200,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-01-17T15:44:11.000Z","date":"2017-01-13","kind":"grant","acquired":true,"shares":74,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of additional shares of common stock underlying deferred stock units (DSUs) issued to the reporting person as a dividend equivalent on existing DSUs, in connection with this person's retainer as a director under the Steel Dynamics, Inc. 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock.  (See Lincoln National Corp. (March 20, 1992) (Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":18274,"source":{"system":"sec-edgar","filing":"0001022671-17-000008","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267117000008/edgar.xml","form_type":"4"}},{"id":4579213,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30618,"kind":"person","name":"Seaman Bradley S","position":1,"cik":"0001597069","reported_name":"Seaman Bradley S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-10-17T20:29:38.000Z","date":"2016-10-14","kind":"grant","acquired":true,"shares":109,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of additional shares of common stock underlying deferred stock units (DSUs) issued to the reporting person as a dividend equivalent on existing DSUs, in connection with this person's retainer as a director under the Steel Dynamics, Inc. 2015 Equity Incentive Plan (the \"Plan\"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3)."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock.  (See Lincoln National Corp. (March 20, 1992) (Q.3)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total."}],"balance_after":18200,"source":{"system":"sec-edgar","filing":"0001022671-16-000043","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267116000043/edgar.xml","form_type":"4"}}]}