$SEIC

Warner Mark Andrew sold $1.5M of SEIC

Warner Mark Andrew (See Remarks*) sold 15,000 shares of SEI INVESTMENTS CO (SEIC) at an average of $102.35 ($101.10–$102.97, $1.54M total) across 3 trades on 2026-07-28.

Original reporting
SEC EDGAR · Warner Mark Andrew
Published Jul 30, 2026, 4:00 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Aug 6, 2026, 6:09 AM 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
$SEIC
Neutral
medium confidence
Mentioned
$SEIC
Relevance
6/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$SEICNeutralLow
01

Why it matters

The disclosed open-market sale reduces the insider’s direct holdings to 921 shares, but the filing does not include any new operational or financial information about SEI.

02

Market read

Traders may monitor for follow-on insider activity, but this disclosure alone is unlikely to change valuation without additional company catalysts.

03

What to watch

The article notes no 10b5-1 plan, but it does not provide intent, option exercises, or broader insider activity context beyond this single reporter.

Relevance 6/10Novelty 3/10Timing: filed 2026-07-30, covering sales dated 2026-07-28

Background

The article is an SEC Form 4 insider transaction for SEI Investments Co, reported by an officer, Warner Mark Andrew.

Company-level read

Ticker impact

$SEICNeutralMedium confidence
Context

SEI Investments disclosed an officer open-market sale of 15,000 shares for about $1.54M at $101.11 to $102.97 on 2026-07-28.

Expected impact

Likely limited near-term impact; any effect would be sentiment-driven rather than fundamental.

Evidence & confidence

The filing is primary-source and time-stamped, but insider sales are common and the article provides no accompanying company-specific catalyst (earnings, guidance, deal, or investigation).

Market effects

No sector-level signal; this is company-specific insider transaction disclosure.

None indicated.

None indicated.

Counterpoint

The sale may be unrelated to fundamentals (taxes, diversification, or pre-existing personal liquidity needs), so price reaction may be overstated.

Key entities

  • SEI Investments Co

    Company subject of the Form 4 insider sale disclosure.

  • Warner Mark Andrew

    Officer who sold 15,000 shares in open-market transactions.

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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