{"transactions":[{"id":4638498,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30619,"kind":"person","name":"Sierra Luis Manuel","position":1,"cik":"0001905141","reported_name":"Sierra Luis Manuel","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-10-09T19:51:36.000Z","date":"2026-10-09","kind":"grant","planned":false,"acquired":true,"shares":7,"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":11530,"source":{"system":"sec-edgar","filing":"0001022671-26-000157","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1905141/000102267126000157/form4.xml","form_type":"4"}},{"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":4638495,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":14326,"kind":"person","name":"Hamann Jennifer L","position":1,"cik":"0001798280","reported_name":"Hamann Jennifer L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-10-09T19:50:56.000Z","date":"2026-10-09","kind":"grant","planned":false,"acquired":true,"shares":18,"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":5394,"source":{"system":"sec-edgar","filing":"0001022671-26-000155","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1798280/000102267126000155/form4.xml","form_type":"4"}},{"id":4638496,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30617,"kind":"person","name":"DOLAN TRACI M","position":1,"cik":"0001251631","reported_name":"DOLAN TRACI M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-10-09T19:50:41.000Z","date":"2026-10-09","kind":"grant","planned":false,"acquired":true,"shares":97,"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":59067,"source":{"system":"sec-edgar","filing":"0001022671-26-000154","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1251631/000102267126000154/form4.xml","form_type":"4"}},{"id":4638494,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30616,"kind":"person","name":"Cornew Kenneth W.","position":1,"cik":"0001482379","reported_name":"Cornew Kenneth W.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-10-09T19:50:14.000Z","date":"2026-10-09","kind":"grant","planned":false,"acquired":true,"shares":2,"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":32015,"source":{"system":"sec-edgar","filing":"0001022671-26-000153","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1482379/000102267126000153/form4.xml","form_type":"4"}},{"id":4638493,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30615,"kind":"person","name":"BARGABOS SHEREE L","position":1,"cik":"0001228300","reported_name":"BARGABOS SHEREE L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-10-09T19:49:57.000Z","date":"2026-10-09","kind":"grant","planned":false,"acquired":true,"shares":40,"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":27145,"source":{"system":"sec-edgar","filing":"0001022671-26-000152","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1228300/000102267126000152/form4.xml","form_type":"4"}},{"id":687279,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":14326,"kind":"person","name":"Hamann Jennifer L","position":1,"cik":"0001798280","reported_name":"Hamann Jennifer L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-08-14T18:37:40.000Z","date":"2026-08-13","kind":"grant","planned":false,"acquired":true,"shares":72,"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 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. 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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":11523,"source":{"system":"sec-edgar","filing":"0001022671-26-000141","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000141/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":710070,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":14326,"kind":"person","name":"Hamann Jennifer L","position":1,"cik":"0001798280","reported_name":"Hamann Jennifer L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-14T15:15:28.000Z","date":"2026-07-10","kind":"grant","planned":false,"acquired":true,"shares":18,"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":5304,"source":{"system":"sec-edgar","filing":"0001022671-26-000139","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000139/form4.xml","form_type":"4"}},{"id":710069,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30617,"kind":"person","name":"DOLAN TRACI M","position":1,"cik":"0001251631","reported_name":"DOLAN TRACI M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-14T15:15:14.000Z","date":"2026-07-10","kind":"grant","planned":false,"acquired":true,"shares":102,"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":58970,"source":{"system":"sec-edgar","filing":"0001022671-26-000138","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000138/form4.xml","form_type":"4"}},{"id":710068,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30616,"kind":"person","name":"Cornew Kenneth W.","position":1,"cik":"0001482379","reported_name":"Cornew Kenneth W.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-14T15:14:57.000Z","date":"2026-07-10","kind":"grant","planned":false,"acquired":true,"shares":2,"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":32013,"source":{"system":"sec-edgar","filing":"0001022671-26-000137","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000137/form4.xml","form_type":"4"}},{"id":710067,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30615,"kind":"person","name":"BARGABOS SHEREE L","position":1,"cik":"0001228300","reported_name":"BARGABOS SHEREE L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-07-14T15:14:40.000Z","date":"2026-07-10","kind":"grant","planned":false,"acquired":true,"shares":43,"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":27105,"source":{"system":"sec-edgar","filing":"0001022671-26-000136","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000136/form4.xml","form_type":"4"}},{"id":746848,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":40656,"kind":"person","name":"Anderson James Stanley","position":1,"cik":"0001921061","reported_name":"Anderson James Stanley","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2026-06-08T18:38:14.000Z","date":"2026-06-05","kind":"sale","planned":false,"acquired":false,"shares":322,"price":269.93,"value":86917.46,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $269.89 to $269.98, inclusive. The reporting person undertakes to provide to Steel Dynamics, Inc., any securityholder 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 (4) to this Form 4."}],"balance_after":102837,"source":{"system":"sec-edgar","filing":"0001022671-26-000129","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000129/form4.xml","form_type":"4"}},{"id":746847,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":40656,"kind":"person","name":"Anderson James Stanley","position":1,"cik":"0001921061","reported_name":"Anderson James Stanley","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2026-06-08T18:38:14.000Z","date":"2026-06-05","kind":"sale","planned":false,"acquired":false,"shares":4401,"price":269.22,"value":1184837.22,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $268.83 to $269.67, inclusive. The reporting person undertakes to provide to Steel Dynamics, Inc., any securityholder 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 (3) to this Form 4."}],"balance_after":103159,"source":{"system":"sec-edgar","filing":"0001022671-26-000129","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000129/form4.xml","form_type":"4"}},{"id":746846,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":40656,"kind":"person","name":"Anderson James Stanley","position":1,"cik":"0001921061","reported_name":"Anderson James Stanley","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2026-06-08T18:38:14.000Z","date":"2026-06-05","kind":"sale","planned":false,"acquired":false,"shares":4177,"price":268.42,"value":1121190.34,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $267.83 to $268.78, inclusive. The reporting person undertakes to provide to Steel Dynamics, Inc., any securityholder 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 (2) to this Form 4."}],"balance_after":107560,"source":{"system":"sec-edgar","filing":"0001022671-26-000129","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000129/form4.xml","form_type":"4"}},{"id":746845,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":40656,"kind":"person","name":"Anderson James Stanley","position":1,"cik":"0001921061","reported_name":"Anderson James Stanley","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2026-06-08T18:38:14.000Z","date":"2026-06-05","kind":"sale","planned":false,"acquired":false,"shares":1100,"price":267.35,"value":294085.0,"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 $266.77 to $267.70, inclusive. The reporting person undertakes to provide to Steel Dynamics, Inc., any securityholder 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":111737,"source":{"system":"sec-edgar","filing":"0001022671-26-000129","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000129/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":757768,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":14326,"kind":"person","name":"Hamann Jennifer L","position":1,"cik":"0001798280","reported_name":"Hamann Jennifer L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-01T20:44:46.000Z","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":5286,"source":{"system":"sec-edgar","filing":"0001022671-26-000126","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000126/form4.xml","form_type":"4"}},{"id":757767,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30617,"kind":"person","name":"DOLAN TRACI M","position":1,"cik":"0001251631","reported_name":"DOLAN TRACI M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-01T20:44:29.000Z","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":58868,"source":{"system":"sec-edgar","filing":"0001022671-26-000125","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000125/form4.xml","form_type":"4"}},{"id":757766,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30616,"kind":"person","name":"Cornew Kenneth W.","position":1,"cik":"0001482379","reported_name":"Cornew Kenneth W.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-01T20:44:14.000Z","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":32011,"source":{"system":"sec-edgar","filing":"0001022671-26-000124","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000124/form4.xml","form_type":"4"}},{"id":757765,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30615,"kind":"person","name":"BARGABOS SHEREE L","position":1,"cik":"0001228300","reported_name":"BARGABOS SHEREE L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-01T20:43:49.000Z","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":27062,"source":{"system":"sec-edgar","filing":"0001022671-26-000123","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000123/form4.xml","form_type":"4"}},{"id":757764,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30619,"kind":"person","name":"Sierra Luis Manuel","position":1,"cik":"0001905141","reported_name":"Sierra Luis Manuel","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-01T20:43:28.000Z","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":11516,"source":{"system":"sec-edgar","filing":"0001022671-26-000122","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000122/form4.xml","form_type":"4"}},{"id":777747,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":47029,"kind":"person","name":"Graham Christopher A","position":1,"cik":"0001607477","reported_name":"Graham Christopher A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common 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These DSUs are reportable, however, as directly owned shares of common stock, rather than as 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":4574,"source":{"system":"sec-edgar","filing":"0001022671-26-000109","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000109/form4.xml","form_type":"4"}},{"id":788958,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":49208,"kind":"person","name":"TEETS RICHARD P JR","position":1,"cik":"0001195950","reported_name":"TEETS RICHARD P JR","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-07T18:32:36.000Z","date":"2026-05-06","kind":"grant","planned":false,"acquired":true,"shares":158,"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 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. 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These DSUs are reportable, however, as directly owned shares of common stock, rather than as 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. 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These shares were sold in multiple transactions at prices ranging from $227.57 to $228.38, inclusive. The reporting person undertakes to provide to Steel Dynamics, Inc., any securityholder 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 (3) to this Form 4."}],"balance_after":122257,"source":{"system":"sec-edgar","filing":"0001022671-26-000100","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000100/form4.xml","form_type":"4"}},{"id":801260,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":51394,"kind":"person","name":"Alvarez Miguel","position":1,"cik":"0001767177","reported_name":"Alvarez Miguel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2026-04-24T19:16:30.000Z","date":"2026-04-23","kind":"sale","planned":false,"acquired":false,"shares":300,"price":226.36,"value":67908.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $226.13 to $226.81, inclusive. The reporting person undertakes to provide to Steel Dynamics, Inc., any securityholder 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 (2) to this Form 4."}],"balance_after":122957,"source":{"system":"sec-edgar","filing":"0001022671-26-000100","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000100/form4.xml","form_type":"4"}},{"id":801259,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":51394,"kind":"person","name":"Alvarez Miguel","position":1,"cik":"0001767177","reported_name":"Alvarez Miguel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior Vice President"}}],"security":"Common Stock","published_at":"2026-04-24T19:16:30.000Z","date":"2026-04-23","kind":"sale","planned":false,"acquired":false,"shares":3825,"price":225.11,"value":861045.75,"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 $225.00 to $225.53, inclusive. The reporting person undertakes to provide to Steel Dynamics, Inc., any securityholder 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":123257,"source":{"system":"sec-edgar","filing":"0001022671-26-000100","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000100/form4.xml","form_type":"4"}},{"id":801256,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30616,"kind":"person","name":"Cornew Kenneth W.","position":1,"cik":"0001482379","reported_name":"Cornew Kenneth W.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-24T19:16:14.000Z","date":"2026-04-23","kind":"sale","planned":false,"acquired":false,"shares":200,"price":225.39,"value":45078.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $225.37 to $225.41, inclusive. The reporting person undertakes to provide to Steel Dynamics, Inc., any securityholder 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 (2) to this Form 4."}],"balance_after":31299,"source":{"system":"sec-edgar","filing":"0001022671-26-000099","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000099/form4.xml","form_type":"4"}},{"id":801255,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30616,"kind":"person","name":"Cornew Kenneth W.","position":1,"cik":"0001482379","reported_name":"Cornew Kenneth W.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-24T19:16:14.000Z","date":"2026-04-23","kind":"sale","planned":false,"acquired":false,"shares":4800,"price":224.85,"value":1079280.0,"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 $224.36 to $225.29, inclusive. The reporting person undertakes to provide to Steel Dynamics, Inc., any securityholder 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":31499,"source":{"system":"sec-edgar","filing":"0001022671-26-000099","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000099/form4.xml","form_type":"4"}},{"id":809936,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":49208,"kind":"person","name":"TEETS RICHARD P JR","position":1,"cik":"0001195950","reported_name":"TEETS RICHARD P JR","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-13T18:59:04.000Z","date":"2026-04-10","kind":"grant","planned":false,"acquired":true,"shares":9,"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":4980094,"source":{"system":"sec-edgar","filing":"0001022671-26-000096","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000096/form4.xml","form_type":"4"}},{"id":809935,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":30619,"kind":"person","name":"Sierra Luis Manuel","position":1,"cik":"0001905141","reported_name":"Sierra Luis Manuel","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-13T18:58:47.000Z","date":"2026-04-10","kind":"grant","planned":false,"acquired":true,"shares":12,"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":10804,"source":{"system":"sec-edgar","filing":"0001022671-26-000095","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000095/form4.xml","form_type":"4"}},{"id":809934,"issuer":{"id":3119,"kind":"organization","name":"STEEL DYNAMICS INC","symbol":"STLD"},"owners":[{"id":52778,"kind":"person","name":"Shaheen Gabriel","position":1,"cik":"0001411393","reported_name":"Shaheen Gabriel","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-04-13T18:58:31.000Z","date":"2026-04-10","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":82520,"source":{"system":"sec-edgar","filing":"0001022671-26-000094","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022671/000102267126000094/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. 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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. 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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. 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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. 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