Lieser Brian

SEC source: 0001193125-26-393292 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP - Chief Comm. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,144

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

SEC source: 0001193125-26-297445 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP - Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,044

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, 2026) or (ii) the price at the end of the offering period (June 30, 2026). Employees elect their level of participation and the purchases are funded via payroll deductions through the offering period.

SEC source: 0001193125-26-155165 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP - Chief Comm. Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 32,959

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

SEC source: 0001193125-26-101814 · ownership.xml · nonDerivative · entry 2

Lieser Brian · CIK 0001967061 · EVP - Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,678

F3 · shares: Shares withheld for tax purposes related to portion of March 7, 2023 restricted stock unit grant that vested on March 7, 2026. The resulting shares were delivered on March 11, 2026.

SEC source: 0001193125-26-101814 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP - Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,711

F1 · shares: On March 7, 2023, the Reporting Person received a grant of 4,113 performance stock units ("PSUs"). Following the three-year performance period, a conversion factor of 1.055 was approved by the Company's Compensation Committee and applied to the PSUs, resulting in an award of 4,340 shares, subject to tax withholding. The number in this cell reflects the after-tax number of shares delivered to the Reporting Person on March 11, 2026.

SEC source: 0001193125-26-085870 · ownership.xml · nonDerivative · entry 2

Lieser Brian · CIK 0001967061 · EVP - Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,551

F3 · shares: Pursuant to the Company's Stretch Achievement Share Award program, certain PSUs granted in 2022 and 2023 were subject to enhancement based on company performance from 2022 through 2024 (the "Prior PSUs") and the achievement of an adjusted earnings per share ("EPS") goal in 2025. Based on the Company's 2025 EPS of $7.54, for each share received in 2025 from the vesting and distribution of the Prior PSUs awardees received a supplemental distribution of 0.54 shares, subject to tax withholding. The number in this cell reflects the after-tax number of shares delivered to the Reporting Person on March 2, 2026.

SEC source: 0001193125-26-085870 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP - Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,703

F1 · shares: Shares withheld for tax purposes related to portion of February 26, 2025 restricted stock unit grant that vested on February 26, 2026. The resulting shares were delivered on March 2, 2026.

SEC source: 0001193125-26-072161 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP - Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,511

F1 · shares: Shares withheld for tax purposes related to portion of February 21, 2024 restricted stock unit grant that vested on February 21, 2026. The resulting shares were delivered on February 25, 2026.

SEC source: 0001193125-26-082024 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP - Chief Comm. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,152

F1 · shares: Represents a grant of RSUs granted by the Company's Compensation Committee on February 25, 2026. 25% of the RSUs will vest on February 25, 2027, 25% of the RSUs will vest on February 25, 2028 and 50% of the RSUs will vest on February 25, 2029. Additional terms apply in the event of the holder's termination, death, disability or retirement.

SEC source: 0001193125-26-010688 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,098

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, 2025) or (ii) the price at the end of the offering period (December 31, 2025). Employees elect their level of participation and the purchases are funded via payroll deductions through the offering period.

SEC source: 0001193125-25-311352 · ownership.xml · nonDerivative · entry 7

Lieser Brian · CIK 0001967061 · EVP, Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 29,074

F6 · kind: The sale reported was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Lieser on August 11, 2025.

SEC source: 0001193125-25-311352 · ownership.xml · derivative · entry 11

Lieser Brian · CIK 0001967061 · EVP, Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,516 shares

Expires 2032-02-22

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

F7 · derivative.exercise_date: The original grant of stock appreciation rights became exercisable in equal portions on the first three anniversaries of the grant date.

SEC source: 0001193125-25-311352 · ownership.xml · derivative · entry 10

Lieser Brian · CIK 0001967061 · EVP, Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,225 shares

Expires 2028-02-28

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

F7 · derivative.exercise_date: The original grant of stock appreciation rights became exercisable in equal portions on the first three anniversaries of the grant date.

SEC source: 0001193125-25-311352 · ownership.xml · derivative · entry 9

Lieser Brian · CIK 0001967061 · EVP, Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,210 shares

Expires 2027-02-22

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

F7 · derivative.exercise_date: The original grant of stock appreciation rights became exercisable in equal portions on the first three anniversaries of the grant date.

SEC source: 0001193125-25-311352 · ownership.xml · nonDerivative · entry 6

Lieser Brian · CIK 0001967061 · EVP, Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 30,344

F5 · shares: This represents the difference between the number of SARs exercised (1,225) and the number of shares issued as a result of the exercise (264). 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 ($120.695) and the exercise price ($72.73). Additional shares were then withheld to satisfy the Company's tax withholding obligations.

SEC source: 0001193125-25-311352 · ownership.xml · nonDerivative · entry 5

Lieser Brian · CIK 0001967061 · EVP, Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,305

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

SEC source: 0001193125-25-311352 · ownership.xml · nonDerivative · entry 4

Lieser Brian · CIK 0001967061 · EVP, Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 30,080

F4 · shares: This represents the difference between the number of SARs exercised (1,210) and the number of shares issued as a result of the exercise (249). 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 ($120.695) and the exercise price ($74.91). Additional shares were then withheld to satisfy the Company's tax withholding obligations.

SEC source: 0001193125-25-311352 · ownership.xml · nonDerivative · entry 3

Lieser Brian · CIK 0001967061 · EVP, Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,041

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

SEC source: 0001193125-25-311352 · ownership.xml · nonDerivative · entry 2

Lieser Brian · CIK 0001967061 · EVP, Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 29,831

F3 · shares: This represents the difference between the number of SARs exercised (2,516) and the number of shares issued as a result of the exercise (757). 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 ($120.695) and the exercise price ($53.79). Additional shares were then withheld to satisfy the Company's tax withholding obligations.

SEC source: 0001193125-25-311352 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,590

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

SEC source: 0001193125-25-307834 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 29,074

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

SEC source: 0000950170-25-113086 · ownership.xml · nonDerivative · entry 6

Lieser Brian · CIK 0001967061 · EVP, Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 30,787

F4 · kind: The sale reported was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Lieser on November 7, 2024.

SEC source: 0000950170-25-113086 · ownership.xml · nonDerivative · entry 5

Lieser Brian · CIK 0001967061 · EVP, Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 34,587

F6 · shares: 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). This cell represents the number of shares withheld for tax purposes upon vesting. The resulting shares were delivered on September 3, 2025.

SEC source: 0000950170-25-113086 · ownership.xml · nonDerivative · entry 4

Lieser Brian · CIK 0001967061 · EVP, Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 40,959

F5 · shares: Shares withheld for tax purposes related to portion of August 30, 2021 restricted stock unit grant that vested on August 30, 2025. The resulting shares were delivered on September 3, 2025.

SEC source: 0000950170-25-113086 · ownership.xml · nonDerivative · entry 3

Lieser Brian · CIK 0001967061 · EVP, Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,145

F4 · kind: The sale reported was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Lieser on November 7, 2024.

SEC source: 0000950170-25-113086 · ownership.xml · derivative · entry 8

Lieser Brian · CIK 0001967061 · EVP, Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,066 shares

Expires 2029-02-28

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: The exercise reported was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Lieser on November 7, 2024.

F7 · derivative.exercise_date: The original grant of stock appreciation rights became exercisable in equal portions on the first three anniversaries of the grant date.

SEC source: 0000950170-25-113086 · ownership.xml · nonDerivative · entry 2

Lieser Brian · CIK 0001967061 · EVP, Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,442

F3 · shares: This represents the difference between the number of SARs exercised (1,066) and the number of shares issued as a result of the exercise (297). 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 ($127.11) and the exercise price ($61.79). Additional shares were then withheld to satisfy the Company's tax withholding obligations.

SEC source: 0000950170-25-113086 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 45,211

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: The exercise reported was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Lieser on November 7, 2024.

SEC source: 0000950170-25-095245 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,145

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, 2025) or (ii) the price at the end of the offering period (June 30, 2025). Employees elect their level of participation and the purchases are funded via payroll deductions through the offering period.

SEC source: 0000950170-25-094056 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Automation Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,075

F1 · kind: Represents a grant of RSUs granted by the Company's Compensation Committee on July 1, 2025. The RSUs will vest on December 31, 2027. Additional terms apply in the event of the holder's termination, death or disability.

SEC source: 0000950170-25-090332 · ownership.xml · nonDerivative · entry 3

Lieser Brian · CIK 0001967061 · EVP, Automation Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,405

F4 · kind: The sale reported was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Lieser on November 7, 2024.

SEC source: 0000950170-25-090332 · ownership.xml · derivative · entry 5

Lieser Brian · CIK 0001967061 · EVP, Automation Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,066

Underlying: Common Stock · 1,200 shares

Expires 2029-02-28

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: The exercise reported was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Lieser on November 7, 2024.

F5 · derivative.exercise_date: The original grant of stock appreciation rights became exercisable in equal portions on the first three anniversaries of the grant date.

SEC source: 0000950170-25-090332 · ownership.xml · nonDerivative · entry 2

Lieser Brian · CIK 0001967061 · EVP, Automation Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,701

F3 · shares: This represents the difference between the number of SARs exercised (1,200) and the number of shares issued as a result of the exercise (296). 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 ($113.51) and the exercise price ($61.79). Additional shares were then withheld to satisfy the Company's tax withholding obligations.

SEC source: 0000950170-25-090332 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Automation Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,605

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: The exercise reported was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Lieser on November 7, 2024.

SEC source: 0000950170-25-071671 · ownership.xml · nonDerivative · entry 3

Lieser Brian · CIK 0001967061 · EVP, Automation Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,405

F4 · kind: The sale reported was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Lieser on November 7, 2024.

SEC source: 0000950170-25-071671 · ownership.xml · derivative · entry 5

Lieser Brian · CIK 0001967061 · EVP, Automation Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,266

Underlying: Common Stock · 1,200 shares

Expires 2029-02-28

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: The exercise reported was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Lieser on November 7, 2024.

F5 · derivative.exercise_date: The original grant of stock appreciation rights became exercisable in equal portions on the first three anniversaries of the grant date.

SEC source: 0000950170-25-071671 · ownership.xml · nonDerivative · entry 2

Lieser Brian · CIK 0001967061 · EVP, Automation Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,702

F3 · shares: This represents the difference between the number of SARs exercised (1,200) and the number of shares issued as a result of the exercise (297). 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 ($113.85) and the exercise price ($61.79). Additional shares were then withheld to satisfy the Company's tax withholding obligations.

SEC source: 0000950170-25-071671 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Automation Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,605

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: The exercise reported was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Lieser on November 7, 2024.

SEC source: 0000950170-25-041801 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Automation Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,405

F1 · kind: The sale reported was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Lieser on November 7, 2024.

SEC source: 0000950170-25-035826 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Automation Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,176

F1 · kind: The sale reported was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Lieser on November 7, 2024.

SEC source: 0000950170-25-033918 · ownership.xml · nonDerivative · entry 1

Lieser Brian · CIK 0001967061 · EVP, Automation Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 41,494

F1 · kind: The sale reported was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Lieser on November 7, 2024.

SEC source: 0000950170-25-030218 · ownership.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 43,555

F4 · shares: Represents a grant of RSUs granted by the Company's Compensation Committee on February 26, 2025. 25% of the RSUs will vest on February 26, 2026, 25% of the RSUs will vest on February 26, 2027 and 50% of the RSUs will vest on February 26, 2028. Additional terms apply in the event of the holder's termination, death, disability or retirement.

SEC source: 0000950170-25-030218 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 39,978

F3 · shares: On February 22, 2022, the Reporting Person received a grant of 5,475 performance stock units ("PSUs"). Following the three-year performance period, a conversion factor of 1.935 was approved by the Company's Compensation Committee on February 26, 2025 and applied to the PSUs, resulting in an award of 10,594 shares, subject to tax withholding. The number in this cell reflects the after-tax number of shares delivered to the Reporting Person.

SEC source: 0000950170-25-030218 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 34,599

F1 · kind: The sale reported was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Lieser on November 7, 2024.

SEC source: 0000950170-25-027239 · ownership.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,131

F4 · kind: The sale reported was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Lieser on November 7, 2024.

SEC source: 0000950170-25-027239 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,682

F3 · shares: Shares withheld for tax purposes related to February 22, 2022 restricted stock unit grant that vested on February 24, 2025.

SEC source: 0000950170-25-027239 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 36,199

F1 · shares: Shares withheld for tax purposes related to portion of February 21, 2024 restricted stock unit grant that vested on February 21, 2025.

SEC source: 0000950170-25-004697 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,745

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, 2024) or (ii) the price at the end of the offering period (December 31, 2024). Employees elect their level of participation and the purchases are funded via payroll deductions through the offering period.

SEC source: 0000950170-24-121288 · ownership.xml · derivative · entry 13

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,245 shares

Expires 2031-02-16

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.

SEC source: 0000950170-24-121288 · ownership.xml · derivative · entry 12

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,788 shares

Expires 2030-02-11

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.