BreachCensus

NUCOR CORP

public companyManufacturingUnited States of America

SEC EDGAR CIK 0000073309

NUCOR CORP is a manufacturing organisation in Massachusetts. It appears on the Massachusetts Attorney General breach-notification register and an SEC 8-K filing with 3 confirmed incidents; the most recent notice was filed on June 27, 2025.

Headquarters
Charlotte, United States
Employees
31,400 (as of 2022)
ISIN
US6703461052
Wikidata
Q1645081

Data as of September 13, 2026.

Sources

Confirmed incident

US-MA

Disclosed
June 27, 2025

Timeline

  1. June 27, 2025
    Reported to regulator Regulator

    MA AG breach notification: 1 Massachusetts residents affected

    source
What a Massachusetts notice means

Governed by M.G.L. c. 93H. Notice to the Attorney General is required for a breach affecting any number of Massachusetts residents' personal information -- the statute sets no minimum count.

Note: the count is Massachusetts residents only, not a total.

Massachusetts breach-notification register ↗

Confirmed incident

US

Disclosed
May 14, 2025

Timeline

  1. May 14, 2025
    Acknowledged by organisation Self-reported

    Form 8-K Item 1.05 filed 2025-05-14

    source
  2. June 20, 2025
    Acknowledged by organisation Self-reported

    Form 8-K/A amendment

    source
Confirmed incident

US-MA

Disclosed
June 30, 2023

Timeline

  1. June 30, 2023
    Reported to regulator Regulator

    MA AG breach notification: 7 Massachusetts residents affected

    source

Related

Same sector and location

Disclosed around the same time