STLD

SEC source: 0001022671-16-000054 · edgar.xml · nonDerivative · entry 2

SCHNEIDER BARRY · CIK 0001397059 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,573

F2 · shares: Represents disposition to issuer to cover taxes payable upon vesting of previously issued and reported restricted stock units, exempt pursuant to Rule 16b-3.

SEC source: 0001022671-16-000054 · edgar.xml · nonDerivative · entry 1

SCHNEIDER BARRY · CIK 0001397059 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,314

F1 · shares: Represents grant of restricted stock units equal to the same number of underlying shares, received as an award under the Company's equity incentive plan, for no consideration, and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3). The restricted stock units are subject to a two year vesting requirement, following which settlement is to be made solely in the same number of shares of the company's common stock shown in Column 4.

SEC source: 0001022671-16-000053 · edgar.xml · nonDerivative · entry 2

Graham Christopher A · CIK 0001607477 · Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,159

F2 · shares: Represents disposition to issuer to cover taxes payable upon vesting of previously issued and reported restricted stock units, exempt pursuant to Rule 16b-3.

SEC source: 0001022671-16-000053 · edgar.xml · nonDerivative · entry 1

Graham Christopher A · CIK 0001607477 · Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,897

F1 · shares: Represents grant of restricted stock units equal to the same number of underlying shares, received as an award under the Company's equity incentive plan, for no consideration, and exempt from Section 16b by virtue of Rule 16b-3(d)(1) and (3). The restricted stock units are subject to a two year vesting requirement, following which settlement is to be made solely in the same number of shares of the company's common stock shown in Column 4.

SEC source: 0001022671-16-000052 · edgar.xml · nonDerivative · entry 2

Pushis Glenn · CIK 0001301742 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,598

F2 · shares: Represents disposition to issuer to cover taxes payable upon vesting of previously issued and reported restricted stock units, exempt pursuant to Rule 16b-3.

SEC source: 0001022671-16-000052 · edgar.xml · nonDerivative · entry 1

Pushis Glenn · CIK 0001301742 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,336

F1 · shares: Represents grant of restricted stock units equal to the same number of underlying shares, received as an award under the Company's equity incentive plan, for no consideration, and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3). The restricted stock units are subject to a two year vesting requirement, following which settlement is to be made solely in the same number of shares of the company's common stock shown in Column 4.

SEC source: 0001022671-16-000051 · edgar.xml · nonDerivative · entry 2

Wagler Theresa E · CIK 0001301637 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 235,555

F2 · shares: Represents disposition to issuer to cover taxes payable upon vesting of previously issued and reported restricted stock units, exempt pursuant to Rule 16b-3.

SEC source: 0001022671-16-000051 · edgar.xml · nonDerivative · entry 1

Wagler Theresa E · CIK 0001301637 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 236,539

F1 · shares: Represents grant of restricted stock units equal to the same number of underlying shares, received as an award under the Company's equity incentive plan, for no consideration, and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3). The restricted stock units are subject to a two year vesting requirement, following which settlement is to be made solely in the same number of shares of the company's common stock shown in Column 4.

SEC source: 0001022671-16-000050 · edgar.xml · nonDerivative · entry 2

RINN RUSSELL B · CIK 0001186730 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 101,880

F2 · shares: Represents disposition to issuer to cover taxes payable upon vesting of previously issued and reported restricted stock units, exempt pursuant to Rule 16b-3.

SEC source: 0001022671-16-000050 · edgar.xml · nonDerivative · entry 1

RINN RUSSELL B · CIK 0001186730 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,864

F1 · shares: Represents grant of restricted stock units equal to the same number of underlying shares, received as an award under the Company's equity incentive plan, for no consideration, and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3). The restricted stock units are subject to a two year vesting requirement, following which settlement is to be made solely in the same number of shares of the company's common stock shown in Column 4.

SEC source: 0001022671-16-000049 · edgar.xml · nonDerivative · entry 2

MILLETT MARK D · CIK 0001195949 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,007,368

F2 · shares: Represents disposition to issuer to cover taxes payable upon vesting of previously issued and reported restricted stock units, exempt pursuant to Rule 16b-3.

SEC source: 0001022671-16-000049 · edgar.xml · nonDerivative · entry 1

MILLETT MARK D · CIK 0001195949 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,009,185

F1 · shares: Represents grant of restricted stock units equal to the same number of underlying shares, received as an award under the Company's equity incentive plan, for no consideration, and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3). The restricted stock units are subject to a two year vesting requirement, following which settlement is to be made solely in the same number of shares of the company's common stock shown in Column 4.

SEC source: 0001022671-16-000047 · edgar.xml · derivative · entry 3

RINN RUSSELL B · CIK 0001186730 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,785 shares

Expires 2016-11-21

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: Exercise of stock option exempt pursuant to Rule 16b-6(b).

SEC source: 0001022671-16-000047 · edgar.xml · nonDerivative · entry 2

RINN RUSSELL B · CIK 0001186730 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,778

F3 · kind: Disposition to Issuer: Shares withheld by Issuer in payment of reporting person's exercise price under stock option in accordance with Exchange Act Rule 16b-3(d)(1) approved in advance by Compensation Committee and exempt from Section 16(b) of Exchange Act in accordance with Exchange Act Rule 16b-3(e).

SEC source: 0001022671-16-000047 · edgar.xml · nonDerivative · entry 1

RINN RUSSELL B · CIK 0001186730 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,575

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Acquisition of stock pursuant to exercise of employee stock option, exempt under Exchange Act Rule 16b-6(b) and Rule 16b-3(d)(1).

SEC source: 0001022671-16-000048 · edgar.xml · nonDerivative · entry 1

BATES JOHN C · CIK 0001027286 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,010

F1 · shares: Represents the number of shares of common stock underlying deferred stock units (DSUs) issued to the reporting person in connection with a portion of this person's retainer as a director under the Steel Dynamics, Inc. 2015 Equity Incentive Plan. This transaction is exempt from the provisions of Section 16(b), by virtue of Rule 16b-3(d)(1) and (3).

F2 · shares: 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).

F3 · balance_after: Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total.

SEC source: 0001022671-16-000046 · edgar.xml · nonDerivative · entry 1

BUSSE KEITH E · CIK 0001195948 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,004,923

SEC source: 0001022671-16-000038 · edgar.xml · nonDerivative · entry 1

BYRNE FRANK D · CIK 0001216806 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,914

F1 · shares: 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).

F2 · shares: 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).

F3 · balance_after: Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total.

SEC source: 0001022671-16-000039 · edgar.xml · nonDerivative · entry 1

Cornew Kenneth W. · CIK 0001482379 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,923

F1 · shares: 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).

F2 · shares: 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).

F3 · balance_after: Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total.

SEC source: 0001022671-16-000045 · edgar.xml · nonDerivative · entry 1

TEETS RICHARD P JR · CIK 0001195950 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,183,214

F1 · shares: 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).

F2 · shares: 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).

F3 · balance_after: Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total.

SEC source: 0001022671-16-000044 · edgar.xml · nonDerivative · entry 1

Shaheen Gabriel · CIK 0001411393 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,479

F1 · shares: 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).

F2 · shares: 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).

F3 · balance_after: Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total.

SEC source: 0001022671-16-000043 · edgar.xml · nonDerivative · entry 1

Seaman Bradley S · CIK 0001597069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,200

F1 · shares: 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).

F2 · shares: 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).

F3 · balance_after: Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total.

SEC source: 0001022671-16-000042 · edgar.xml · nonDerivative · entry 1

MARCUCCILLI JAMES C · CIK 0001321944 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,496

F1 · shares: 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).

F2 · shares: 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).

F3 · balance_after: Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total.

SEC source: 0001022671-16-000041 · edgar.xml · nonDerivative · entry 1

KOLB JURGEN DR · CIK 0001195958 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,143

F1 · shares: 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).

F2 · shares: 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).

F3 · balance_after: Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total.

SEC source: 0001022671-16-000040 · edgar.xml · nonDerivative · entry 1

DOLAN TRACI M · CIK 0001251631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,153

F1 · shares: 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).

F2 · shares: 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).

F3 · balance_after: Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total.

SEC source: 0001022671-16-000037 · edgar.xml · nonDerivative · entry 1

BUSSE KEITH E · CIK 0001195948 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,006,923

F1 · shares: 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).

F2 · shares: 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).

F3 · balance_after: Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total.

SEC source: 0001022671-16-000036 · edgar.xml · nonDerivative · entry 1

BATES JOHN C · CIK 0001027286 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,335

F1 · shares: 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).

F2 · shares: 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).

F3 · balance_after: Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total.

SEC source: 0001022671-17-000066 · edgar.xml · nonDerivative · entry 1

BUSSE KEITH E · CIK 0001195948 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Custodian for minor grandchild

Disclosed balance after: 6,000

F1 · kind: On September 1, 2016, Reporting Person became the custodian of 6,000 shares of Issuer's common stock previously held by another custodian for the benefit of Reporting Person's granddaughter, under the Uniform Transfers to Minors Act.