Transaction · 0000929638-26-003767

West Alfred P Jr

WEST ALFRED P JR, CHAIR, reported an open-market or private sale at SEI INVESTMENTS CO involving 28394.000000 shares for an estimated $2936024.78. Reported holdings after the transaction were 6790057.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SCHAIR
SEICSEI INVESTMENTS CO
Trade date
Sep 29, 2026
Filing date
Oct 01, 2026
View on SEC Insider profile
Estimated value-$2.93MShares × reported price
Shares traded28.3k$103.40 per share
Holdings after6.79MDirect
% of reported position traded0.42%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 6,818,451 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

SEIC price since this filing

Daily closing prices, with the filing date and available return windows
SEIC · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +7.5%1w ago -0.1%1d ago +0.9%
Returns since7d -0.6%30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0000929638-26-003767
Common Stock
Transaction date
Sep 29, 2026
Filed Oct 01, 2026, 08:05 PM · 2d delay
Shares
28,394 sh
$103.40 per share
Estimated value
-$2.93M
Computed from shares × price
Holdings after
6,790,057 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Cluster Selling Direct Ownership Large Sale
Filing-only score

+10 points

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 2

    Filing reported within two business days of the transaction.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector No10% NoOther Yes
Footnotes & amended
  1. F1

    Represents the weighted average of a range of sale prices from $103.17 to $103.67. The reporting person undertakes to provide to the Staff of the Securities and Exchange Commission, the Company, or an…

  2. F2

    Represents the weighted average of a range of sale prices from $102.96 to $103.89. The reporting person undertakes to provide to the Staff of the Securities and Exchange Commission, the Company, or an…

Original filing · 0000929638-26-003767
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