ADTRAN Holdings ($ADTN) Insider Trading & Smart Money Activity

ADTRAN Holdings, Inc. · Communication Equipment · Latest filing May 14, 2026

ADTRAN Holdings, Inc. ($ADTN) has 2 13F position changes on file.

Insider buyers (12 mo): 0
Insider sellers (12 mo): 0
Net insider $ (12 mo): $0
Congress trades (12 mo): 0
13F moves on file: 2
Analyst ratings on file: 0

ADTN insider buying and selling by quarter

Quarter	Congress buys / sales	13F added / cut
Q1 2026	0 / 0	0 / 0
Q2 2026	0 / 0	2 / 0
Q3 2026	0 / 0	0 / 0
Q4 2026	0 / 0	0 / 0

Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.

All ADTN insider, congress, 13F and analyst activity

Date	Source	Who	Action	Shares	Value / amount	ΔOwn	1W	1M	6M	Filing	Story
May 14, 2026	13F	Simplex Trading	Added	+82.74K sh	$1.35M						—
May 11, 2026	13F	Walleye Trading	Added	+138.90K sh	$2.14M						—

1W / 1M / 6M = how ADTN moved from the trade or filing date.

Institutions moving ADTN (13F)

Frequently asked questions

Which institutions changed their ADTN positions?

Recent 13F filers moving the stock include Simplex Trading and Walleye Trading.

Other communication equipment stocks

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Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.

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