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Lieser Brian

Disclosed activity across 1 company

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31829
SEC CIK
0001967061

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
BELDEN INC.BDC · Entity 4002EVP - Chief Comm. OfficerSeptember 15, 2026September 16, 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.

BELDEN INC.

Report date September 15, 2026 · Filed September 16, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect31,144 Reported balance After 2026-09-15 transaction · row 1
1 source row

Row 1 · 2026-09-15 · Sale · Disposed 1,900 · Balance 31,144

F1: The sale reported was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Lieser on August 11, 2025.

Common StockSEC Table I · non-derivativeIndirectBy 401(k) Plan636.2114 Reported balance Holding disclosure · report date 2026-09-15 · row 2 Holding and transaction disclosures are not merged.
1 source row

Row 2 · Balance 636.2114

F2: Represents the balance of shares of Belden Inc. common stock held in the Belden Retirement Savings Plan as of the date of this filing.

Filing footnotes · ownership attribution and instrument terms

F1: The sale reported was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Lieser on August 11, 2025.

F2: Represents the balance of shares of Belden Inc. common stock held in the Belden Retirement Savings Plan as of the date of this filing.

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
November 01, 2024 Filed Nov 5, 2024 18:51 UTC BELDEN INC. BDC · Entity 4002 Exercise / conversionStock Appreciation Rights · Derivative 1,450 $0.00 Strike: $52.89 $0.00
Disclosure

SEC source: 0000950170-24-121288 · ownership.xml · derivative · entry 11

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,450 shares

Expires 2026-02-24

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.

F6 · derivative.exercise_date: The original grant of stock appreciation rights became exercisable in equal portions on the first three anniversaries of the grant date.

Read SEC document
November 01, 2024 Filed Nov 5, 2024 18:51 UTC BELDEN INC. BDC · Entity 4002 Exercise / conversionStock Appreciation Rights · Derivative 944 $0.00 Strike: $89.23 $0.00
Disclosure

SEC source: 0000950170-24-121288 · ownership.xml · derivative · entry 10

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 944 shares

Expires 2025-02-25

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.

F6 · derivative.exercise_date: The original grant of stock appreciation rights became exercisable in equal portions on the first three anniversaries of the grant date.

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November 01, 2024 Filed Nov 5, 2024 18:51 UTC BELDEN INC. BDC · Entity 4002 Disposition to issuerCommon Stock 1,549 $115.89 $179,508.96
Disclosure

SEC source: 0000950170-24-121288 · ownership.xml · nonDerivative · entry 8

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,716

F5 · shares: This represents the difference between the number of SARs exercised (2,245) and the number of shares issued as a result of the exercise (696). The number of shares to be issued under a SAR exercise is determined by multiplying the number of SARs being exercised by the difference between the FMV on the date of exercise ($115.887) and the exercise price ($45.11). Additional shares were then withheld to satisfy the Company's tax withholding obligations.

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November 01, 2024 Filed Nov 5, 2024 18:51 UTC BELDEN INC. BDC · Entity 4002 Exercise / conversionCommon Stock 2,245 $45.11 $101,271.95
Disclosure

SEC source: 0000950170-24-121288 · ownership.xml · nonDerivative · entry 7

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,265

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
November 01, 2024 Filed Nov 5, 2024 18:51 UTC BELDEN INC. BDC · Entity 4002 Disposition to issuerCommon Stock 1,281 $115.89 $148,451.25
Disclosure

SEC source: 0000950170-24-121288 · ownership.xml · nonDerivative · entry 6

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,020

F4 · shares: This represents the difference between the number of SARs exercised (1,788) and the number of shares issued as a result of the exercise (507). The number of shares to be issued under a SAR exercise is determined by multiplying the number of SARs being exercised by the difference between the FMV on the date of exercise ($115.887) and the exercise price ($51.14). Additional shares were then withheld to satisfy the Company's tax withholding obligations.

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November 01, 2024 Filed Nov 5, 2024 18:51 UTC BELDEN INC. BDC · Entity 4002 Exercise / conversionCommon Stock 1,788 $51.14 $91,438.32
Disclosure

SEC source: 0000950170-24-121288 · ownership.xml · nonDerivative · entry 5

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,301

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
November 01, 2024 Filed Nov 5, 2024 18:51 UTC BELDEN INC. BDC · Entity 4002 Disposition to issuerCommon Stock 1,050 $115.89 $121,681.35
Disclosure

SEC source: 0000950170-24-121288 · ownership.xml · nonDerivative · entry 4

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,513

F3 · shares: This represents the difference between the number of SARs exercised (1,450) and the number of shares issued as a result of the exercise (400). The number of shares to be issued under a SAR exercise is determined by multiplying the number of SARs being exercised by the difference between the FMV on the date of exercise ($115.887) and the exercise price ($52.89). Additional shares were then withheld to satisfy the Company's tax withholding obligations.

Read SEC document
November 01, 2024 Filed Nov 5, 2024 18:51 UTC BELDEN INC. BDC · Entity 4002 Exercise / conversionCommon Stock 1,450 $52.89 $76,690.50
Disclosure

SEC source: 0000950170-24-121288 · ownership.xml · nonDerivative · entry 3

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,563

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
November 01, 2024 Filed Nov 5, 2024 18:51 UTC BELDEN INC. BDC · Entity 4002 Disposition to issuerCommon Stock 834 $115.89 $96,649.76
Disclosure

SEC source: 0000950170-24-121288 · ownership.xml · nonDerivative · entry 2

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,113

F2 · shares: This represents the difference between the number of SARs exercised (944) and the number of shares issued as a result of the exercise (110). The number of shares to be issued under a SAR exercise is determined by multiplying the number of SARs being exercised by the difference between the FMV on the date of exercise ($115.887) and the exercise price ($89.23). Additional shares were then withheld to satisfy the Company's tax withholding obligations.

Read SEC document
November 01, 2024 Filed Nov 5, 2024 18:51 UTC BELDEN INC. BDC · Entity 4002 Exercise / conversionCommon Stock 944 $89.23 $84,233.12
Disclosure

SEC source: 0000950170-24-121288 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,947

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
September 10, 2024 Filed Sep 10, 2024 17:31 UTC BELDEN INC. BDC · Entity 4002 GrantCommon Stock 13,972 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-105021 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,003

F1 · kind: The Reporting Person was awarded 6,986 performance stock units (PSUs) on August 30, 2021. Following the performance period, it was determined based on the total stockholder return during the performance period that the PSUs earned a conversion factor of 2.0. Therefore, the PSUs converted to 13,972 restricted stock units (RSUs). Assuming continued employment, the RSUs will vest on August 30, 2025.

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July 10, 2024 Filed Jul 10, 2024 21:03 UTC BELDEN INC. BDC · Entity 4002 SaleCommon Stock 819 $91.26 $74,741.94
Disclosure

SEC source: 0000950170-24-082755 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,031

F1 · kind: The sale reported was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Lieser on November 15, 2023.

Read SEC document
July 09, 2024 Filed Jul 10, 2024 20:42 UTC BELDEN INC. BDC · Entity 4002 OtherCommon Stock 78 $65.72 $5,126.00
Disclosure

SEC source: 0000950170-24-082731 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,850

F1 · shares: Shares acquired through the Belden Inc. 2021 Employee Stock Purchase Plan (the "Plan"). The Plan is broadly available to employees of Belden Inc. and its subsidiaries. Pursuant to the terms of the Plan, the purchase price is 85% of the lesser of (i) the price at the beginning of the offering period (January 1, 2024) or (ii) the price at the end of the offering period (June 30, 2024). Employees elect their level of participation and the purchases are funded via payroll deductions through the offering period.

Read SEC document
February 23, 2024 Filed Feb 26, 2024 17:09 UTC BELDEN INC. BDC · Entity 4002 SaleCommon Stock 2,056 $82.30 $169,208.80
Disclosure

SEC source: 0001209191-24-003931 · doc4.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,772

F1 · kind: The sale reported was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Lieser on November 14, 2023.

Read SEC document
February 21, 2024 Filed Feb 23, 2024 20:10 UTC BELDEN INC. BDC · Entity 4002 GrantCommon Stock 4,389 $0.00 $0.00
Disclosure

SEC source: 0001209191-24-003878 · doc4.xml · nonDerivative · entry 2

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,828

F2 · shares: Represents a grant of RSUs granted by the Company's Compensation Committee on February 21, 2024. The RSUs will vest on or about February 21, 2027. Additional terms apply in the event of the holder's termination, death, disability or retirement.

Read SEC document
February 21, 2024 Filed Feb 23, 2024 20:10 UTC BELDEN INC. BDC · Entity 4002 GrantCommon Stock 2,719 $0.00 $0.00
Disclosure

SEC source: 0001209191-24-003878 · doc4.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,439

F1 · shares: On February 16, 2021, the Reporting Person received a grant of 2,763 performance stock units ("PSUs"). Following the three-year performance period, a conversion factor of 1.95 was approved by the Company's Compensation Committee on February 21, 2024 and applied to the PSUs, resulting in an award of 5,374 shares, subject to tax withholding. The number in this cell reflects the after-tax number of shares delivered to the Reporting Person.

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February 16, 2024 Filed Feb 21, 2024 00:01 UTC BELDEN INC. BDC · Entity 4002 Tax withholdingCommon Stock 653 $84.19 $54,972.81
Disclosure

SEC source: 0001209191-24-003595 · doc4.xml · nonDerivative · entry 3

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,720

F2 · shares: Shares withheld for tax purposes related to February 16, 2021 restricted stock unit grant that vested on February 16, 2024.

Read SEC document
February 15, 2024 Filed Feb 21, 2024 00:01 UTC BELDEN INC. BDC · Entity 4002 Exercise / conversionStock Appreciation Rights · Derivative 570 $0.00 Strike: $72.57 $0.00
Disclosure

SEC source: 0001209191-24-003595 · doc4.xml · derivative · entry 5

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 570 shares

Expires 2024-03-04

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 15, 2024 Filed Feb 21, 2024 00:01 UTC BELDEN INC. BDC · Entity 4002 Disposition to issuerCommon Stock 528 $84.54 $44,634.48
Disclosure

SEC source: 0001209191-24-003595 · doc4.xml · nonDerivative · entry 2

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,373

F1 · shares: This represents the difference between the number of SARs exercised (570) and the number of shares issued as a result of the exercise (42). The number of shares to be issued under a SAR exercise is determined by multiplying the number of SARs being exercised by the difference between the FMV on the date of exercise ($84.535) and the exercise price ($72.57). Additional shares are then withheld to satisfy the Company's tax withholding obligations.

Read SEC document
February 15, 2024 Filed Feb 21, 2024 00:01 UTC BELDEN INC. BDC · Entity 4002 Exercise / conversionCommon Stock 570 $72.57 $41,364.90
Disclosure

SEC source: 0001209191-24-003595 · doc4.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,901

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
January 10, 2024 Filed Jan 10, 2024 22:44 UTC BELDEN INC. BDC · Entity 4002 OtherCommon Stock 33 $66.27 $2,186.91
Disclosure

SEC source: 0001209191-24-001388 · doc4.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,331

F1 · shares: Shares acquired through the Belden Inc. 2021 Employee Stock Purchase Plan (the "Plan"). The Plan is broadly available to employees of Belden Inc. and its subsidiaries. Pursuant to the terms of the Plan, the purchase price is 85% of the lesser of (i) the price at the beginning of the offering period (July 1, 2023) or (ii) the price at the end of the offering period (December 31, 2023). Employees elect their level of participation and the purchases are funded via payroll deductions through the offering period. The resulting shares were delivered to participants on January 10, 2024.

Read SEC document
July 12, 2023 Filed Jul 13, 2023 14:24 UTC BELDEN INC. BDC · Entity 4002 OtherCommon Stock 87 $62.06 $5,398.87
Disclosure

SEC source: 0001209191-23-042151 · doc4.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,298

F1 · shares: Shares acquired through the Belden Inc. 2021 Employee Stock Purchase Plan (the "Plan"). The Plan is broadly available to employees of Belden Inc. and its subsidiaries. Pursuant to the terms of the Plan, the purchase price is 85% of the lesser of (i) the price at the beginning of the offering period (January 1, 2023) or (ii) the price at the end of the offering period (June 30, 2023). Employees elect their level of participation and the purchases are funded via payroll deductions through the offering period. The resulting shares were delivered to participants on July 12, 2023.

Read SEC document
July 03, 2023 Filed Jul 6, 2023 19:02 UTC BELDEN INC. BDC · Entity 4002 Tax withholdingCommon Stock 152 $95.93 $14,581.74
Disclosure

SEC source: 0001209191-23-041481 · doc4.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,211

F1 · shares: Shares withheld for tax purposes related to portion of July 1, 2020 restricted stock unit grant that vested on July 3, 2023.

Read SEC document
June 15, 2023 Filed Jun 16, 2023 17:36 UTC BELDEN INC. BDC · Entity 4002 SaleCommon Stock 1 $94.30 $94.30
Disclosure

SEC source: 0001209191-23-037764 · doc4.xml · nonDerivative · entry 3

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,363

Read SEC document
June 15, 2023 Filed Jun 16, 2023 17:36 UTC BELDEN INC. BDC · Entity 4002 SaleCommon Stock 530 $94.34 $50,000.20
Disclosure

SEC source: 0001209191-23-037764 · doc4.xml · nonDerivative · entry 2

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,364

Read SEC document
June 15, 2023 Filed Jun 16, 2023 17:36 UTC BELDEN INC. BDC · Entity 4002 SaleCommon Stock 298 $94.35 $28,116.30
Disclosure

SEC source: 0001209191-23-037764 · doc4.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,894

Read SEC document
March 07, 2023 Filed Mar 9, 2023 22:31 UTC BELDEN INC. BDC · Entity 4002 GrantStock Appreciation Rights · Derivative 4,418 $0.00 Strike: $85.77 $0.00
Disclosure

SEC source: 0001209191-23-017616 · doc4.xml · derivative · entry 3

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,418

Underlying: Common Stock · 4,418 shares

Expires 2033-03-07

F3 · derivative.exercise_date: One-third of the SARs will vest on the first (3/7/2024), second (3/7/2025), and third (3/7/2026) anniversaries of the grant.

Read SEC document
March 07, 2023 Filed Mar 9, 2023 22:31 UTC BELDEN INC. BDC · Entity 4002 GrantCommon Stock 2,057 $0.00 $0.00
Disclosure

SEC source: 0001209191-23-017616 · doc4.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Indust. Automation Solut.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,192

F1 · shares: Represents a grant of RSUs granted by the Company's Compensation Committee on March 7, 2023. The RSUs will vest on March 7, 2026. Additional terms apply in the event of the holder's termination, death, disability or retirement.

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.