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8-K ·Filed Oct 6, 2026

TENB

Tenable Holdings, Inc.
NEUTRAL
Impact 3/10
Horizonimmediate Processed20d 11h ago SEC0001660280-26-000042
8-K context-dependent: Items 5.02, 7.01
Actionable Insight • Neutral

Routine board appointment of a high-profile industry veteran. No immediate trading catalyst; monitor for any future strategic shifts or product announcements tied to Bell's cybersecurity committee role.

DirectionNeutral
Confidencehigh
Horizonimmediate
Latest settled — T+5d
TENB ▲ +4.62% at T+5d
NEUTRAL call +4.62% · α vs SPY +4.76% · entry $39.47 → $41.29
Next anchor: T+20d in 7d
Latest observation: T+13 +20.88% FF3 residual α
Entry = T+0 close
Oct 6, 2026
via day close
T+1d
-1.33%
call -1.33% · α -1.09%
$38.94
settled 20d ago
T+5d
+4.62%
call +4.62% · α +4.76%
$41.29
settled 14d ago
T+20d
Pending
in 7d
T+60d
Pending
in 2mo

Price Chart

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Executive Summary

Tenable appointed Charles Bell, a senior Microsoft and AWS executive with deep in engineering and former AWS SVP, to its Board of Directors, effective October 5, 2026. The appointment expands the board from 10 to 11 directors and includes a grant of 10,386 RSUs vesting over three years. This is a routine board appointment of a highly credentialed industry veteran with no financial material impact.

Key Facts

  • Board expanded from 10 to 11 directors; Charles Bell appointed as Class III director with term expiring at 2027 Annual Meeting.
  • Charles Bell is EVP, Engineer at Microsoft (since Feb 2026), former EVP Security, Compliance, Identity, and Management at Microsoft, and former SVP at AWS.
  • Bell received 10,386 RSUs vesting in three equal annual installments.
  • Annual board compensation: $35,000 board retainer + $5,000 Cybersecurity Committee retainer, prorated for 2026.

Financial Impact

No material financial impact; director compensation is routine and immaterial relative to company size.

Risk Factors

  • No material risks identified from this filing.

Investment Themes

Documents Analyzed

This report is based on 5 SEC documents filed with EDGAR.

DocumentAccession Number
8-K Filing (Primary)0001660280-26-000042
Document: a100626pressrelease.htm0001660280-26-000042
Document: 0001660280-26-000042-index-headers.html0001660280-26-000042
Document: 0001660280-26-000042-index.html0001660280-26-000042
Document: 0001660280-26-000042.txt0001660280-26-000042
9 reports for TENB
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for TENB — sortable, filterable
TypeNow
Oct 13, 2026
13d ago
8-K
NEUTRAL ★ 4/10
$38.12awaiting T+20—$44.59 (+16.97%)
Oct 6, 2026
20d ago
3
NEUTRAL ★ 1/10
$38.94awaiting T+20—$44.59 (+14.51%)
Oct 6, 2026
20d ago
8-K
NEUTRAL ★ 3/10
$39.47awaiting T+20—$44.59 (+12.99%)
Sep 10, 2026
6w ago
Press Release
BEARISH ★ 6/10
$30.11 $41.59▼ −38.13%▼ −36.26%$44.59 (−48.09%)
Sep 3, 2026
7w ago
Press Release
NEUTRAL ★ 4/10
$34.25 $38.51▲ +12.44%▲ +11.84%$44.59 (+30.19%)
Jul 15, 2026
14w ago
Press Release
NEUTRAL ★ 1/10
$40.19 $37.00▼ −7.94%▼ −10.28%$44.59 (+10.95%)
Jun 29, 2026
17w ago
Press Release
BULLISH ★ 6/10
$33.49 $32.25▼ −3.70%▼ −3.42%$44.59 (+33.14%)
May 21, 2026
22w ago
8-K
NEUTRAL ★ 5/10
$25.45 $26.92▲ +5.78%▲ +7.19%$44.59 (+75.21%)
May 20, 2026
22w ago
Press Release
NEUTRAL ★ 4/10
$25.50 $26.87▲ +5.37%▲ +4.63%$44.59 (+74.86%)
Showing 9 of 9

US Market Status

Market Closed — Opens Wed (13h 19m)

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Report published Oct 6, 2026