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8-K ·Filed Oct 13, 2026

TPC

TUTOR PERINI CORP
NEUTRAL
Impact 3/10
Horizonweeks Processed14d 19h ago SEC0000077543-26-000204
8-K context-dependent: Items 5.02
Actionable Insight • Neutral

Monitor whether the board reduction signals further insider selling or a shift in control dynamics. The SC 13D/A within 60 days suggests activist or insider activity may be influencing governance structure.

DirectionNeutral
Confidencehigh
Horizonweeks
Latest settled — T+5d
TPC ▼ -6.44% at T+5d
NEUTRAL call -6.44% · α vs SPY -5.29% · entry $83.26 → $77.90
Next anchor: T+20d in 13d
Latest observation: T+8 -2.85% FF3 residual α
Entry = T+0 close
Oct 13, 2026
via day close
T+1d
-4.54%
call -4.54% · α -3.46%
$79.48
settled 14d ago
T+5d
-6.44%
call -6.44% · α -5.29%
$77.90
settled 8d ago
T+20d
Pending
in 13d
T+60d
Pending
in 2mo

Price Chart

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Executive Summary

Board designee Sidney Feltenstein resigned effective Oct 30, 2026, after founder Ronald Tutor's beneficial ownership fell below the 11.25% threshold due to recent share sales by affiliated trusts. The board will be reduced in size. This is a routine governance adjustment triggered by a contractual provision, not a management shakeup.

Key Facts

  • Sidney Feltenstein resigned from the board effective October 30, 2026.
  • Resignation triggered by Ronald Tutor's beneficial ownership falling below 11.25% following recent share sales by affiliated trusts.
  • Board size expected to be reduced after Feltenstein's departure.
  • No replacement named; the board designee slot is eliminated under the shareholders agreement.
  • Recent SC 13D/A (filed Sep 2, 2026) disclosed block trades by Tutor-affiliated trusts totaling 2.3M shares at ~$85.57/share.

Financial Impact

No direct financial impact. The resignation is a governance formality tied to a contractual ownership threshold.

Risk Factors

  • Further reduction in founder ownership could signal lack of confidence or succession risk.
  • Board downsizing may reduce independent oversight if not offset by new appointments.

Investment Themes

Industrials & Manufacturing

Documents Analyzed

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

DocumentAccession Number
8-K Filing (Primary)0000077543-26-000204
Document: 0000077543-26-000204-index-headers.html0000077543-26-000204
Document: 0000077543-26-000204-index.html0000077543-26-000204
Document: 0000077543-26-000204.txt0000077543-26-000204
14 reports for TPC
Performance horizon
50% Hit rate @ T+20 2 of 4 directional calls Went positive at some point 5 of 5 best @ T+60▲ +15.77%May 8, 2026
Filters
Rows
Reports for TPC — sortable, filterable
TypeNow
Oct 13, 2026
14d ago
8-K
NEUTRAL ★ 3/10
$83.26awaiting T+20—$80.81 (−2.94%)
Sep 30, 2026
28d ago
GOVT-CONTRACT
BULLISH ★ 5/10
$83.26awaiting T+20—$80.81 (−2.94%)
Sep 11, 2026
6w ago
GOVT-CONTRACT
BULLISH ★ 7/10
$84.51 $83.49▼ −1.21%▼ −3.72%$80.81 (−4.38%)
Sep 2, 2026
7w ago
Insider Cluster
BEARISH ★ 7/10
$87.32 $86.73▲ +0.68%▲ +0.47%$80.81 (+7.46%)
Sep 2, 2026
8w ago
GOVT-CONTRACT
NEUTRAL ★ 3/10
$87.32 $86.73▼ −0.68%▼ −0.22%$80.81 (−7.46%)
Aug 13, 2026
10w ago
GOVT-CONTRACT
NEUTRAL ★ 4/10
$96.82 $84.51▼ −12.71%▼ −10.72%$80.81 (−16.54%)
Jul 6, 2026
16w ago
8-K
NEUTRAL ★ 5/10
$79.91 $83.75▲ +4.81%▲ +5.37%$80.81 (+1.13%)
May 26, 2026
22w ago
8-K
NEUTRAL ★ 2/10
$74.47 $81.56▲ +9.52%▲ +11.42%$80.81 (+8.51%)
May 12, 2026
24w ago
GOVT-CONTRACT
NEUTRAL ★ 4/10
$80.50 $73.54▼ −8.65%▼ −8.03%$80.81 (+0.39%)
May 8, 2026
24w ago
GOVT-CONTRACT
NEUTRAL ★ 4/10
$82.64 $71.41▼ −13.59%▼ −13.29%$80.81 (−2.22%)
Showing 10 of 14

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Report published Oct 13, 2026