SecBot SecBot
SC 13D/A ·Filed Oct 14, 2026

CABO

Cable One, Inc.
BEARISH
Impact 6/10
Horizondays Processed13d 3h ago SEC0000950157-26-001101
Activist stake amendment (position change)
Actionable Insight ▼ Bearish

The stated intent to sell 'some or all' of his stake, combined with rapid two-day selling at declining prices ($13.02 down to $9.00), suggests an accelerated exit. Monitor for further 13D amendments or Form 4 filings indicating additional sales. The selling by a founder-linked insider at these levels may pressure the stock and signal lack of confidence in near-term value.

DirectionBearish
Confidencehigh
Horizondays
Latest settled — T+5d
CABO ▼ -33.77% at T+5d
SHORT call ✓ call won +33.77% · α vs SPY +32.75% · entry $8.47 → $5.61
Next anchor: T+20d in 14d
Latest observation: T+6 +40.15% FF3 residual α
Entry = T+0 close
Oct 14, 2026
via day close
T+1d
-14.64%
call +14.64% · α +13.53%
$7.23
settled 13d ago
T+5d
-33.77%
call +33.77% · α +32.75%
$5.61
settled 7d ago
T+20d
Pending
in 14d
T+60d
Pending
in 3mo

Price Chart

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Executive Summary

Donald E. Graham, Chairman Emeritus of Graham Holdings Company, filed an amended Schedule 13D disclosing a 6.88% stake in Cable One, Inc. as of October 14, 2026. The amendment states that Graham intends in the near term to sell some or all of his shares, and reports open-market sales of 48,029 shares on October 13-14, 2026 at prices ranging from $9.00 to $13.02 per share. This signals a clear de-escalation and potential full exit by a long-time insider holder.

Key Financial Metrics

Stake
6.88%
Investor
Donald E. Graham

Key Facts

  • Donald E. Graham beneficially owns 390,361 shares (6.88% of outstanding) as of October 14, 2026.
  • Graham states he currently intends in the near term to make dispositions of some or all of his Common Stock.
  • On October 13-14, 2026, trusts associated with Graham sold a total of 48,029 shares in open-market transactions.
  • Sales on October 13 were at weighted average prices of $11.72, $13.02, and $12.27 per share.
  • Sales on October 14 were at weighted average prices of $9.44, $9.00, and $9.44 per share.
  • The filing amends the prior Schedule 13D, which had been in effect since 2015.

Financial Impact

48,029 shares sold over two days for total proceeds of approximately $500,000-$600,000 based on reported prices.

ownership stakeshare price

Risk Factors

  • Continued insider selling could further depress the stock price.
  • Graham's full exit would remove a stabilizing long-term holder, potentially increasing volatility.
  • The rapid selling at declining prices may indicate adverse private information about the company's prospects.

Investment Themes

Media & Telecom

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
SC 13D/A Filing (Primary)0000950157-26-001101
Document: 0000950157-26-001101-index.html0000950157-26-001101
Document: 0000950157-26-001101.txt0000950157-26-001101
9 reports for CABO
Performance horizon
75% Hit rate @ T+5 3 of 4 directional calls Went positive at some point 4 of 4 best @ T+60▲ +65.38%Jul 8, 2026
Filters
Rows
Reports for CABO — sortable, filterable
TypeNow
Oct 19, 2026
8d ago
SC 13D/A
BEARISH ★ 6/10
$6.21 $5.09▲ +18.04%▲ +18.11%$5.09 (+18.04%)
Oct 14, 2026
13d ago
SC 13D/A
BEARISH ★ 6/10
$8.47 $5.61▲ +33.77%▲ +32.75%$5.09 (+39.91%)
Oct 2, 2026
25d ago
8-K
NEUTRAL ★ 4/10
$12.21 $11.14▼ −8.76%▼ −9.92%$5.09 (−58.31%)
Sep 22, 2026
5w ago
8-K
NEUTRAL ★ 3/10
$15.83 $11.02▼ −30.39%▼ −29.71%$5.09 (−67.85%)
Aug 14, 2026
10w ago
8-K
NEUTRAL ★ 3/10
$34.48 $22.82▼ −33.82%▼ −32.45%$5.09 (−85.24%)
Aug 7, 2026
11w ago
Institutional Cluster
BEARISH ★ 5/10
$37.32 $34.48▲ +7.61%▲ +8.01%$5.09 (+86.36%)
Jul 8, 2026
15w ago
8-K
BEARISH ★ 6/10
$35.27 $41.49▼ −17.64%▼ −17.77%$5.09 (+85.57%)
Jun 11, 2026
19w ago
Institutional Cluster
MIXED ★ 5/10
$41.57 $43.07▲ +3.61%▲ +3.17%$5.09 (−87.76%)
Apr 30, 2026
25w ago
8-K
BEARISH ★ 6/10
$75.01 $62.39▲ +16.82%▲ +19.17%$5.09 (+93.21%)
Showing 9 of 9

US Market Status

Market Closed — Opens in 8h 11m

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Report published Oct 14, 2026