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SEC EDGARAUG 122 min read$FUN

Reilly John T purchased $248K of FUN

Reilly John T (President & CEO) purchased 15,713 shares of Six Flags Entertainment Corporation/NEW (FUN) at $15.80 ($0.25M total) on 2026-08-12 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Reilly John T
Published Aug 12, 2026, 8:43 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Aug 12, 2026, 8:49 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.
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AlphAI market briefInsider activity
Primary signal
$FUN
Neutral
medium confidence
Mentioned
$FUN
Relevance
4/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$FUNNeutralLow
01

Why it matters

A new insider purchase is disclosed with exact share count and price, but the presence of a pre-arranged 10b5-1 plan typically lowers the probability of a strong, durable market repricing.

02

Market read

Traders may note the insider buy as a sentiment input, but it is unlikely to be a standalone fundamental catalyst.

03

What to watch

The article does not disclose whether the CEO has recently sold shares, nor does it provide context on total insider activity or changes in operating outlook.

Relevance 4/10Novelty 5/10Timing: filed 2026-08-12, transaction dated 2026-08-12

Background

The article is an SEC Form 4 insider transaction disclosure for Six Flags Entertainment Corporation (FUN).

Company-level read

Ticker impact

$FUNNeutralMedium confidence
Context

Six Flags CEO Reilly John T bought 15,713 shares of FUN at $15.80 on 2026-08-12 under a pre-arranged 10b5-1 plan.

Expected impact

Limited immediate price impact; any reaction is likely modest and sentiment-driven rather than fundamental.

Evidence & confidence

Form 4 provides a new transaction and price, but the 10b5-1 structure reduces the signal strength versus discretionary buys.

Market effects

Sector

No sector-level implications; this is company-specific insider activity.

Regional

None indicated.

Global

None indicated.

Counterpoint

What could challenge this read

Because the buy is explicitly under a pre-arranged 10b5-1 plan, it may reflect scheduled liquidity rather than a new bullish view.

Key entities

  • issuer
    Six Flags Entertainment Corporation

    Subject of the Form 4 insider transaction disclosure.

  • insider
    Reilly John T

    President and CEO who purchased shares.

Read at source← All news

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.

FUN insider trading history →

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