Brian Lieser Sells $217K of Belden Inc (BDC) — SEC Form 4, Sep 16, 2026

Open-Market Net Sale · SEC Form 4

−$217,341

10b5-1 Plan

Equity position changed by -5.6%

Reporting Owner

Brian Lieser

EVP

TXN 2026-09-15 · FILED 2026-09-16

Equity Position 31.8K sh 33,680 → 31,780

Equity Change -5.6% shares held after vs before

Filing Lag 1 business day within 2-day SEC deadline

Form 4 · Statement of Changes in Beneficial Ownership

Belden Inc

BDC CIK 0000913142

Reporting Owner

Name	Relationship
Brian Lieser CIK 0001967061	EVP

Brian Lieser at Belden Inc Full insider history

Bought (12 mo) —

Sold (12 mo) $920,592

More from this insider at Belden Inc

Non-Derivative Securities Transactions

Title	Date	Type	Shares	Price	Net Total	Post-Txn	Ownership
Common StockF1	2026-09-15	S - Sale 10b5-1	1,900 D	$114.39	-$217,341	31,144	Direct

Non-Derivative Holdings

Title	Shares Held	Ownership
Common StockF2	636.2114	Indirect By 401(k) Plan

Footnotes (2)

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

Institutional Holders

Largest by reported value

5%+ Holders · 13D/G 4 filers

Latest Schedule 13D/G per filer; stakes the filer reported closed are left out.

Other insiders at Belden Inc

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