$TPC

Lieber Robert C sold $1.3M of TPC

Lieber Robert C sold 17,500 shares of TUTOR PERINI CORP (TPC) at $75.36 ($1.32M total) on 2026-05-27.

Original reporting
SEC EDGAR · Lieber Robert C
Published May 29, 2026, 8:59 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai May 29, 2026, 9:02 PM UTC. Informational, not investment advice.
How this was made
alphai summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
alphai market briefInsider activity
Primary signal
$TPC
Neutral
medium confidence
Mentioned
$TPC
Relevance
6/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$TPCNeutralLow
01

Why it matters

The disclosure provides a concrete datapoint on insider behavior but lacks accompanying company-specific fundamental news.

02

Market read

Traders may treat it as a mild sentiment/flow input, but it is unlikely to drive a sustained repricing without additional catalysts.

03

What to watch

Insider sales can be scheduled around personal needs; without follow-on buys/sells or linkage to corporate catalysts, the trading signal is weak.

Relevance 6/10Novelty 6/10Timing: Filed May 29; sale executed May 27 (post-transaction disclosure).

Background

This is an SEC Form 4 insider transaction by a director of Tutor Perini Corp (TPC).

Company-level read

Ticker impact

$TPCNeutralMedium confidence
Context

Director Lieber Robert C sold 17,500 TPC shares in an open-market transaction disclosed on SEC Form 4.

Expected impact

Likely limited/short-lived impact; any move would be more sentiment/flow-driven than fundamental.

Evidence & confidence

The filing is a disclosed sale (not a buy) with a stated price and size, but it’s not tied to a new corporate event (earnings, guidance, deal, or litigation).

Market effects

Minimal; insider Form 4 typically does not reset sector expectations.

None indicated.

None indicated.

Counterpoint

The sale may be routine liquidity/portfolio management rather than a bearish signal, especially given no 10b5-1 plan disclosure.

Key entities

  • Tutor Perini Corp

    Subject of the Form 4 insider sale disclosure.

  • Lieber Robert C

    Director who sold 17,500 shares at $75.36 on May 27, 2026.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

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