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.
How this was made
The 30-second read
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.
Market read
Traders may monitor for follow-on insider activity, but this disclosure alone is unlikely to change valuation without additional company catalysts.
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.
Background
The article is an SEC Form 4 insider transaction for SEI Investments Co, reported by an officer, Warner Mark Andrew.
Ticker impact
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.
Likely limited near-term impact; any effect would be sentiment-driven rather than fundamental.
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
- issuerSEI Investments Co
Company subject of the Form 4 insider sale disclosure.
- insiderWarner Mark Andrew
Officer who sold 15,000 shares in open-market transactions.