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person · Reporting owner

Topalian Leon J

Disclosed activity across 2 companies

Tapewire entity
21944
SEC CIK
0001706490

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
NUCOR CORPNUE · Entity 3010Chair and CEOAugust 14, 2026August 19, 2026
PPG INDUSTRIES INCPPG · Entity 3193DirectorSeptember 11, 2026September 14, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

NUCOR CORP

Report date August 14, 2026 · Filed August 19, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect136,354.47 Ending reported balance After 2026-08-17 transaction · row 4
4 source rows · reconciled sequence

Row 1 · 2026-08-14 · Exercise / conversion · Acquired 26,000 · Balance 164,154.47

Row 2 · 2026-08-14 · Sale · Disposed 25,898 · Balance 138,256.47

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $268.165 to $269.130, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Row 3 · 2026-08-14 · Sale · Disposed 102 · Balance 138,154.47

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $269.275 to $269.290, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Row 4 · 2026-08-17 · Gift · Disposed 1,800 · Balance 136,354.47

Stock OptionSEC Table II · derivative / convertible security · Conversion / exercise price $42.46 · Expires 2030-05-31Direct145,981 Reported balance After 2026-08-14 transaction · row 6 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 6 · 2026-08-14 · Exercise / conversion · Disposed 26,000 · Balance 145,981

F4: Employee Stock Option (right to buy)

Common StockSEC Table I · non-derivativeIndirectIn Profit Sharing Plan1,357.03 Reported balance Holding disclosure · report date 2026-08-14 · row 5 Holding and transaction disclosures are not merged.
1 source row

Row 5 · Balance 1,357.03

F3: As of August 14, 2026, the reporting person had a balance of $364,917.61 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.

Filing footnotes · ownership attribution and instrument terms

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $268.165 to $269.130, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $269.275 to $269.290, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

F3: As of August 14, 2026, the reporting person had a balance of $364,917.61 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.

F4: Employee Stock Option (right to buy)

PPG INDUSTRIES INC

Report date September 11, 2026 · Filed September 14, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Phantom Stock UnitsSEC Table II · derivative / convertible securityDirect1,273.0923 Reported balance After 2026-09-11 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2026-09-11 · Grant · Acquired 22.25 · Balance 1,273.0923

F1: The security converts to common stock on a one-for-one basis.

F2: After termination of service as a Director of PPG Industries, Inc.

F3: Total of all phantom stock units held by the reporting person in the PPG Industries, Inc. Deferred Compensation Plan for Directors. Phantom stock units represent interests in an unfunded unitized company stock fund comprised of stock and cash. The number of shares attributed to the reporting person as a Plan participant may change from time to time without the volition of the reporting person depending on the fair market value of the issuer's common stock and the amount of cash in the fund.

Filing footnotes · ownership attribution and instrument terms

F1: The security converts to common stock on a one-for-one basis.

F2: After termination of service as a Director of PPG Industries, Inc.

F3: Total of all phantom stock units held by the reporting person in the PPG Industries, Inc. Deferred Compensation Plan for Directors. Phantom stock units represent interests in an unfunded unitized company stock fund comprised of stock and cash. The number of shares attributed to the reporting person as a Plan participant may change from time to time without the volition of the reporting person depending on the fair market value of the issuer's common stock and the amount of cash in the fund.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
June 01, 2021 Filed Jun 3, 2021 14:56 UTC NUCOR CORP NUE · Entity 3010 Tax withholdingCommon Stock 3,741 $102.54 $383,602.14
Disclosure

SEC source: 0001127602-21-018849 · form4.xml · nonDerivative · entry 1

Topalian Leon J · CIK 0001706490 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108,039

Read SEC document
March 26, 2021 Filed Mar 29, 2021 17:18 UTC NUCOR CORP NUE · Entity 3010 Exercise / conversionStock Option · Derivative 47,581 $0.00 Strike: $59.07 $0.00
Disclosure

SEC source: 0001127602-21-012186 · form4.xml · derivative · entry 4

Topalian Leon J · CIK 0001706490 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 47,581 shares

Expires 2027-05-31

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.

F3 · security: Employee Stock Option (right to buy)

Read SEC document
March 26, 2021 Filed Mar 29, 2021 17:18 UTC NUCOR CORP NUE · Entity 3010 SaleCommon Stock 47,581 $77.18 $3,672,301.58
Disclosure

SEC source: 0001127602-21-012186 · form4.xml · nonDerivative · entry 2

Topalian Leon J · CIK 0001706490 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 111,780

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $77.04 to $77.58, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. Cancel

Read SEC document
March 26, 2021 Filed Mar 29, 2021 17:18 UTC NUCOR CORP NUE · Entity 3010 Exercise / conversionCommon Stock 47,581 $59.07 $2,810,609.67
Disclosure

SEC source: 0001127602-21-012186 · form4.xml · nonDerivative · entry 1

Topalian Leon J · CIK 0001706490 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 159,361

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.

Read SEC document
February 22, 2021 Filed Feb 24, 2021 14:15 UTC NUCOR CORP NUE · Entity 3010 GrantCommon Stock 11,203 $0.00 $0.00
Disclosure

SEC source: 0001127602-21-007477 · form4.xml · nonDerivative · entry 1

Topalian Leon J · CIK 0001706490 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 111,780

Read SEC document
December 21, 2020 Filed Dec 23, 2020 13:19 UTC NUCOR CORP NUE · Entity 3010 SaleCommon Stock 10,000 $53.88 $538,800.00
Disclosure

SEC source: 0001127602-20-032269 · form4.xml · nonDerivative · entry 1

Topalian Leon J · CIK 0001706490 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,577

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $53.70 to $54.05, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
July 28, 2020 Filed Jul 30, 2020 13:52 UTC NUCOR CORP NUE · Entity 3010 SaleCommon Stock 7,513 $43.18 $324,424.86
Disclosure

SEC source: 0001127602-20-022272 · form4.xml · nonDerivative · entry 2

Topalian Leon J · CIK 0001706490 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 110,577

Read SEC document
July 28, 2020 Filed Jul 30, 2020 13:52 UTC NUCOR CORP NUE · Entity 3010 SaleCommon Stock 1,876 $43.18 $81,005.68
Disclosure

SEC source: 0001127602-20-022272 · form4.xml · nonDerivative · entry 1

Topalian Leon J · CIK 0001706490 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,090

Read SEC document
June 01, 2020 Filed Jun 3, 2020 14:16 UTC NUCOR CORP NUE · Entity 3010 GrantStock Option · Derivative 231,481 $0.00 Strike: $42.46 $0.00
Disclosure

SEC source: 0001127602-20-018596 · form4.xml · derivative · entry 4

Topalian Leon J · CIK 0001706490 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 231,481

Underlying: Common Stock · 231,481 shares

Expires 2030-05-31

F3 · security: Employee Stock Option (right to buy)

Read SEC document
June 01, 2020 Filed Jun 3, 2020 14:16 UTC NUCOR CORP NUE · Entity 3010 GrantCommon Stock 36,796 $0.00 $0.00
Disclosure

SEC source: 0001127602-20-018596 · form4.xml · nonDerivative · entry 2

Topalian Leon J · CIK 0001706490 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 119,966

F1 · shares: The shares of common stock reported are issuable to the reporting person upon vesting of restricted stock units that represent the right to receive one share of common stock. The restricted stock units vest in three annual installments commencing on June 1, 2021, subject to acceleration upon the date of termination of the reporting person's employment with the company by reason of death, disability or retirement or upon a change in control of the company. The company will issue the shares of common stock represented by the units to the reporting person or, if applicable, his or her estate, as soon as administratively practicable after the units become vested.

Read SEC document
June 01, 2020 Filed Jun 3, 2020 14:16 UTC NUCOR CORP NUE · Entity 3010 Tax withholdingCommon Stock 13,190 $42.26 $557,409.40
Disclosure

SEC source: 0001127602-20-018596 · form4.xml · nonDerivative · entry 1

Topalian Leon J · CIK 0001706490 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,170

Read SEC document
February 17, 2020 Filed Feb 19, 2020 16:49 UTC NUCOR CORP NUE · Entity 3010 GrantCommon Stock 2,801 $0.00 $0.00
Disclosure

SEC source: 0001127602-20-006282 · form4.xml · nonDerivative · entry 1

Topalian Leon J · CIK 0001706490 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,360

Read SEC document
July 23, 2019 Filed Jul 25, 2019 18:43 UTC NUCOR CORP NUE · Entity 3010 SaleCommon Stock 5,798 $56.47 $327,413.06
Disclosure

SEC source: 0001127602-19-025184 · form4.xml · nonDerivative · entry 1

Topalian Leon J · CIK 0001706490 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 93,559

Read SEC document
June 01, 2019 Filed Jun 4, 2019 17:11 UTC NUCOR CORP NUE · Entity 3010 GrantStock Option · Derivative 28,768 $0.00 Strike: $48.00 $0.00
Disclosure

SEC source: 0001127602-19-020622 · form4.xml · derivative · entry 4

Topalian Leon J · CIK 0001706490 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,768

Underlying: Common Stock · 28,768 shares

Expires 2029-05-31

F3 · security: Employee Stock Option (right to buy)

Read SEC document
June 01, 2019 Filed Jun 4, 2019 17:11 UTC NUCOR CORP NUE · Entity 3010 Tax withholdingCommon Stock 4,689 $48.00 $225,072.00
Disclosure

SEC source: 0001127602-19-020622 · form4.xml · nonDerivative · entry 2

Topalian Leon J · CIK 0001706490 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 99,357

Read SEC document
June 01, 2019 Filed Jun 4, 2019 17:11 UTC NUCOR CORP NUE · Entity 3010 GrantCommon Stock 58,333 $0.00 $0.00
Disclosure

SEC source: 0001127602-19-020622 · form4.xml · nonDerivative · entry 1

Topalian Leon J · CIK 0001706490 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,046

F1 · shares: The shares of common stock reported are issuable to the reporting person upon vesting of restricted stock units that represent the right to receive one share of common stock. The restricted stock units vest in three annual installments commencing on June 1, 2020, subject to acceleration upon the date of termination of the reporting person's employment with the company by reason of death, disability or retirement or upon a change in control of the company. The company will issue the shares of common stock represented by the units to the reporting person or, if applicable, his or her estate, as soon as administratively practicable after the units become vested.

Read SEC document
April 26, 2019 Filed Apr 30, 2019 14:31 UTC NUCOR CORP NUE · Entity 3010 GiftCommon Stock 880 $0.00 $0.00
Disclosure

SEC source: 0001127602-19-016519 · form4.xml · nonDerivative · entry 2

Topalian Leon J · CIK 0001706490 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,713

Read SEC document
April 26, 2019 Filed Apr 30, 2019 14:31 UTC NUCOR CORP NUE · Entity 3010 SaleCommon Stock 1,253 $56.99 $71,402.83
Disclosure

SEC source: 0001127602-19-016519 · form4.xml · nonDerivative · entry 1

Topalian Leon J · CIK 0001706490 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,593

Read SEC document
February 18, 2019 Filed Feb 20, 2019 13:38 UTC NUCOR CORP NUE · Entity 3010 GrantCommon Stock 4,476 $0.00 $0.00
Disclosure

SEC source: 0001127602-19-007025 · form4.xml · nonDerivative · entry 1

Topalian Leon J · CIK 0001706490 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,846

Read SEC document
June 21, 2018 Filed Jun 25, 2018 13:14 UTC NUCOR CORP NUE · Entity 3010 SaleCommon Stock 3,115 $64.98 $202,411.45
Disclosure

SEC source: 0001127602-18-021803 · form4.xml · nonDerivative · entry 1

Topalian Leon J · CIK 0001706490 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,370

Read SEC document
June 01, 2018 Filed Jun 5, 2018 18:51 UTC NUCOR CORP NUE · Entity 3010 GrantStock Option · Derivative 16,589 $0.00 Strike: $65.80 $0.00
Disclosure

SEC source: 0001127602-18-019971 · form4.xml · derivative · entry 4

Topalian Leon J · CIK 0001706490 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,589

Underlying: Common Stock · 16,589 shares

Expires 2028-05-31

F3 · security: Employee Stock Option (right to buy)

Read SEC document
June 01, 2018 Filed Jun 5, 2018 18:51 UTC NUCOR CORP NUE · Entity 3010 GrantCommon Stock 25,106 $0.00 $0.00
Disclosure

SEC source: 0001127602-18-019971 · form4.xml · nonDerivative · entry 2

Topalian Leon J · CIK 0001706490 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,485

F1 · shares: The shares of common stock reported are issuable to the reporting person upon vesting of restricted stock units that represent the right to receive one share of common stock. The restricted stock units vest in three annual installments commencing on June 1, 2019, subject to acceleration upon the date of termination of the reporting person's employment with the company by reason of death, disability or retirement or upon a change in control of the company. The company will issue the shares of common stock represented by the units to the reporting person or, if applicable, his or her estate, as soon as administratively practicable after the units become vested.

Read SEC document
June 01, 2018 Filed Jun 5, 2018 18:51 UTC NUCOR CORP NUE · Entity 3010 Tax withholdingCommon Stock 1,150 $64.19 $73,818.50
Disclosure

SEC source: 0001127602-18-019971 · form4.xml · nonDerivative · entry 1

Topalian Leon J · CIK 0001706490 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,379

Read SEC document
February 19, 2018 Filed Feb 21, 2018 18:58 UTC NUCOR CORP NUE · Entity 3010 GrantCommon Stock 2,919 $0.00 $0.00
Disclosure

SEC source: 0001127602-18-007493 · form4.xml · nonDerivative · entry 1

Topalian Leon J · CIK 0001706490 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,529

Read SEC document
July 24, 2017 Filed Jul 25, 2017 18:22 UTC NUCOR CORP NUE · Entity 3010 SaleCommon Stock 2,626 $60.23 $158,163.98
Disclosure

SEC source: 0001127602-17-024092 · form4.xml · nonDerivative · entry 1

Topalian Leon J · CIK 0001706490 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,610

Read SEC document
June 01, 2017 Filed Jun 5, 2017 17:09 UTC NUCOR CORP NUE · Entity 3010 GrantStock Option · Derivative 47,581 $0.00 Strike: $59.07 $0.00
Disclosure

SEC source: 0001127602-17-020471 · form4.xml · derivative · entry 5

Topalian Leon J · CIK 0001706490 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,581

Underlying: Common Stock · 47,581 shares

Expires 2027-05-31

F4 · security: Employee Stock Option (right to buy)

Read SEC document
June 01, 2017 Filed Jun 5, 2017 17:09 UTC NUCOR CORP NUE · Entity 3010 Tax withholdingCommon Stock 437 $58.10 $25,389.70
Disclosure

SEC source: 0001127602-17-020471 · form4.xml · nonDerivative · entry 3

Topalian Leon J · CIK 0001706490 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,236

Read SEC document
June 01, 2017 Filed Jun 5, 2017 17:09 UTC NUCOR CORP NUE · Entity 3010 GrantCommon Stock 5,078 $0.00 $0.00
Disclosure

SEC source: 0001127602-17-020471 · form4.xml · nonDerivative · entry 2

Topalian Leon J · CIK 0001706490 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,673

F2 · shares: The shares of common stock reported are issuable to the reporting person upon vesting of restricted stock units that represent the right to receive one share of common stock. The restricted stock units vest in three annual installments commencing on June 1, 2018, subject to acceleration upon the date of termination of the reporting person's employment with the company by reason of death, disability or retirement or upon a change in control of the company. The company will issue the shares of common stock represented by the units to the reporting person or, if applicable, his or her estate, as soon as administratively practicable after the units become vested.

Read SEC document
June 01, 2017 Filed Jun 5, 2017 17:09 UTC NUCOR CORP NUE · Entity 3010 GrantCommon Stock 2,194 $0.00 $0.00
Disclosure

SEC source: 0001127602-17-020471 · form4.xml · nonDerivative · entry 1

Topalian Leon J · CIK 0001706490 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,595

F1 · shares: The shares of common stock reported are issuable to the reporting person upon vesting of restricted stock units that represent the right to receive one share of common stock. The restricted stock units vest upon the date of termination of the reporting person's employment with the company by reason of death, disability or retirement or upon a change in control of the company. The company will issue the shares of common stock represented by the units to the reporting person or, if applicable, his or her estate, as soon as administratively practicable after the units become vested.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.