SecBot SecBot
DEFA14A ·Filed May 1, 2026

ADTN

ADTRAN Holdings, Inc.
NEUTRAL
Impact 3/10
Horizondays Processed5mo ago SEC0001193125-26-200826
Proxy solicitation materials
Actionable Insight • Neutral

Monitor the proxy vote outcome – if ISS's recommendation sways a significant portion of shareholders, it could signal governance concerns and potential pressure for board changes. Otherwise, this is a routine defense with no immediate trading catalyst.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d
ADTN ▼ -51.17% at T+60d
NEUTRAL call -51.17% · α vs SPY -54.23% · entry $18.45 → $9.01
Entry = T+0 close
May 1, 2026
via day close
T+1d
-0.60%
call -0.60% · α -0.25%
$18.34
settled 6mo ago
T+5d
-21.14%
call -21.14% · α -23.49%
$14.55
settled 6mo ago
T+20d
-3.14%
call -3.14% · α -8.43%
$17.87
settled 5mo ago
T+60d
-51.17%
call -51.17% · α -54.23%
$9.01
settled 3mo ago

Price Chart

Loading chart...

Executive Summary

ADTRAN Holdings filed additional proxy solicitation materials defending its Audit Committee members against ISS's recommendation to vote against their re-election due to persistent material weaknesses in internal controls. The board highlights remediation progress, timely 10-K filing, and Glass Lewis support. The annual meeting is May 13, 2026; the outcome will signal shareholder sentiment on governance.

Key Financial Metrics

Vote
director election
Meeting
2026-05-13
Seats Contested
4

Key Facts

  • ISS recommended voting against Audit Committee members H. Fenwick Huss, Gregory J. McCray, Jacqueline H. Rice, and Nikos Theodosopoulos due to material weaknesses.
  • Glass Lewis recommended voting FOR all Audit Committee members.
  • Annual meeting scheduled for May 13, 2026.
  • Company has taken remedial actions and hired new leadership in accounting and internal audit.
  • Material weaknesses remain outstanding but management believes remediation is progressing.

Financial Impact

No direct financial impact; governance-related filing.

Risk Factors

  • Shareholder dissent could lead to loss of Audit Committee seats, weakening oversight.
  • Persistent material weaknesses may erode investor confidence in financial reporting.

Market Snapshot

Exchange
Nasdaq
Sector
Telephone & Telegraph Apparatus
Analyst Consensus
69% bullish (16 analysts)

Investment Themes

Media & Telecom

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
DEFA14A Filing (Primary)0001193125-26-200826
Document: 0001193125-26-200826-index-headers.html0001193125-26-200826
Document: 0001193125-26-200826-index.html0001193125-26-200826
Document: 0001193125-26-200826.txt0001193125-26-200826
11 reports for ADTN
Performance horizon
100% Hit rate @ T+5 4 of 4 directional calls Went positive at some point 4 of 4 best @ T+60▲ +49.65%Feb 26, 2026
Filters
Rows
Reports for ADTN — sortable, filterable
TypeNow
Aug 10, 2026
10w ago
8-K
NEUTRAL ★ 2/10
$7.76 $8.10▲ +4.38%▲ +4.79%$6.59 (−15.14%)
Aug 8, 2026
11w ago
Institutional Cluster
BULLISH ★ 6/10
$7.63 $8.66▲ +13.43%▲ +13.48%$6.59 (−13.70%)
Aug 7, 2026
11w ago
Insider Buy
BULLISH ★ 5/10
$7.63 $8.66▲ +13.43%▲ +13.48%$6.59 (−13.70%)
Aug 4, 2026
11w ago
8-K
MIXED ★ 5/10
$8.76 $7.76▼ −11.42%▼ −11.32%$6.59 (−24.83%)
Jul 22, 2026
13w ago
8-K
BEARISH ★ 8/10
$10.45 $8.33▲ +20.29%▲ +17.89%$6.59 (+36.99%)
Jul 17, 2026
14w ago
S-3ASR
NEUTRAL ★ 3/10
$11.65 $10.15▼ −12.88%▼ −12.19%$6.59 (−43.48%)
Jun 11, 2026
19w ago
Institutional Cluster
MIXED ★ 4/10
$15.26 $15.18▼ −0.52%▼ −1.20%$6.59 (−56.85%)
May 1, 2026
25w ago
DEFA14A
NEUTRAL ★ 3/10
$18.45 $14.55▼ −21.14%▼ −23.49%$6.59 (−64.31%)
Apr 7, 2026
28w ago
8-K
NEUTRAL ★ 3/10
$13.73 $15.73▲ +14.57%▲ +11.05%$6.59 (−52.04%)
Mar 27, 2026
30w ago
DEFA14A
NEUTRAL ★ 2/10
$12.93 $12.93· 0.00%▼ −3.86%$6.59 (−49.07%)
Showing 10 of 11

US Market Status

Market Open — Closes in 4h 4m

Subscribe to SecBot

Get Real-Time SEC Filing Intelligence

Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.

Create a free account Live analysis, Telegram alerts, watchlists and the MCP server for subscribers
Report published May 1, 2026