Sec Form 4 Filing - NAPOLITAN RAYMOND S JR @ NUCOR CORP - 2019-10-24

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person NAPOLITAN RAYMOND S JR 2. Issuer Name and Ticker or Trading Symbol NUCOR CORP [ NUE] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Executive Vice President (Last) (First) (Middle) 1915 REXFORD ROAD 3. Date of Earliest Transaction (MM/DD/YY) 10/24/2019 (Street) CHARLOTTE, NC28211 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 10/24/2019 S 90 D $ 52.651 142,393.01 D Common Stock 10/24/2019 S 2,779 D $ 52.6528 139,614.01 D Common Stock 10/24/2019 S 500 D $ 52.6564 139,114.01 D Common Stock 10/24/2019 S 30 D $ 52.661 139,084.01 D Common Stock 10/24/2019 S 870 D $ 52.6626 138,214.01 D Common Stock 10/24/2019 S 200 D $ 52.6628 138,014.01 D Common Stock 10/24/2019 S 970 D $ 52.6647 137,044.01 D Common Stock 10/24/2019 S 45 D $ 52.6693 136,999.01 D Common Stock 10/24/2019 S 100 D $ 52.67 136,899.01 D Common Stock 10/24/2019 S 600 D $ 52.6718 136,299.01 D Common Stock 10/24/2019 S 100 D $ 52.6728 136,199.01 D Common Stock 10/24/2019 S 400 D $ 52.6756 135,799.01 D Common Stock 10/24/2019 S 12 D $ 52.6799 135,787.01 D Common Stock 10/24/2019 S 100 D $ 52.6856 135,687.01 D Common Stock 10/24/2019 S 200 D $ 52.6956 135,487.01 D Common Stock 10/24/2019 S 300 D $ 52.7024 135,187.01 D Common Stock 10/24/2019 S 200 D $ 52.7028 134,987.01 D Common Stock 10/24/2019 S 200 D $ 52.7029 134,787.01 D Common Stock 10/24/2019 S 100 D $ 52.7043 134,687.01 D Common Stock 10/24/2019 S 100 D $ 52.7044 134,587.01 D Common Stock 10/24/2019 S 46 D $ 52.7045 134,541.01 D Common Stock 10/24/2019 S 58 D $ 52.7056 134,483.01 D Common Stock 2,947.991 ( 1 ) I In Profit Sharing Plan

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Benef icial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other NAPOLITAN RAYMOND S JR 1915 REXFORD ROAD CHARLOTTE, NC28211 Executive Vice President Signatures /s/ Kelly J. Wilmoth, attorney-in-fact for Mr. Napolitan 10/25/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )As of October 24, 2019, the reporting person had a balance of $155,388.61 in the Nucor Stock Fund in the Nucor Profit Sharing Plan. The number of shares has been calculated by the plan administrator of such plan.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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