NASDAQ:SEIC

Sei Investments Company Stock Insider Trading

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*Your capital is at risk
$96.18
+0.730 (+0.765%)
At Close: Jul 13, 2026

SEI Investments Company Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be negative at -65.04. In total, the insiders bought 1.08M and sold 421.21K SEIC shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
-65.04
Buy 1.08M shares
Sell 421.21K shares
62% Buy Activity
Weak Negative Correlation
Sell Signal Medium Confidence
Jun 26, 2026

Analysis Breakdown:

  • Strongly supported by a very low Insider Power Score of -65.04.
  • Confidence increased due to high data reliability score of 100.

Historical Insider Trades

Date Type Person Role Amount
Jun 29, 2026
Sell
Common Stock
S-Sale
West Alfred P Jr
Chairman Emeritus
CEO / President 1 680
Value: $148.0K
Jun 29, 2026
Sell
Common Stock
S-Sale
West Alfred P Jr
Chairman Emeritus
CEO / President 5 652
Value: $492.7K
Jun 26, 2026
Sell
Common Stock
S-Sale
West Alfred P Jr
Chairman Emeritus
CEO / President 3 838
Value: $336.5K
Jun 26, 2026
Sell
Common Stock
S-Sale
West Alfred P Jr
Chairman Emeritus
CEO / President 46 162
Value: $4.03M
Jun 09, 2026
Sell
Common Stock
S-Sale
Doran William
Director
Director 5 000
Value: $452.5K
May 04, 2026
Buy
STOCK OPTION (RIGHT TO PURCHASE)
M-Exempt
Mccarthy Kathryn
Director
Director 5 000
Value: $248.2K
May 04, 2026
Buy
Common Stock
M-Exempt
Mccarthy Kathryn
Director
Director 5 000
Value: $248.2K
May 04, 2026
Buy
Common Stock
M-Exempt
Mccarthy Kathryn
Director
Director 5 000
Value: $248.2K
May 04, 2026
Sell
Common Stock
S-Sale
Mccarthy Kathryn
Director
Director 10 000
Value: $910.7K
Apr 28, 2026
Sell
Common Stock
S-Sale
Warner Mark Andrew
In Remarks
Officer 4 000
Value: $364.6K
Apr 28, 2026
Buy
Common Stock
M-Exempt
Warner Mark Andrew
In Remarks
Officer 4 000
Value: $193.9K
Apr 28, 2026
Buy
STOCK OPTION RIGHT TO PURCHASE
M-Exempt
Warner Mark Andrew
In Remarks
Officer 2 000
Value: $96.9K
Apr 23, 2026
Sell
Common Stock
S-Sale
Mccabe Philip
See Remarks
Officer 15 000
Value: $1.38M
Apr 23, 2026
Buy
Option to Purchase Common Stock
M-Exempt
Sharma Sanjay
See Remarks*
Officer 12 500
Value: $620.4K
Apr 23, 2026
Sell
Common Stock
S-Sale
Sharma Sanjay
See Remarks*
Officer 1 559
Value: $141.4K
Apr 23, 2026
Sell
Common Stock
S-Sale
Sharma Sanjay
See Remarks*
Officer 23 441
Value: $2.11M
Apr 23, 2026
Buy
Common Stock
M-Exempt
Sharma Sanjay
See Remarks*
Officer 12 500
Value: $620.4K
Apr 23, 2026
Buy
Common Stock
M-Exempt
Sharma Sanjay
See Remarks*
Officer 12 500
Value: $620.4K
Apr 23, 2026
Buy
Common Stock
M-Exempt
Peterson Michael
Executive Vice President
CEO / President 10 000
Value: $484.7K
Apr 23, 2026
Sell
Common Stock
S-Sale
Peterson Michael
Executive Vice President
CEO / President 10 000
Value: $900.0K
Apr 23, 2026
Buy
Option to Purchase Common Stock
M-Exempt
Peterson Michael
Executive Vice President
CEO / President 10 000
Value: $484.7K
Mar 31, 2026
Buy
Common Stock
J-Other
Hicke Ryan
Chief Executive Officer
CEO / President 0
Value: $0
Mar 31, 2026
Sell
Common Stock
F-InKind
Hicke Ryan
Chief Executive Officer
CEO / President 4 349
Value: $335.8K
Mar 18, 2026
Sell
Common Stock
F-InKind
Denham Sean
Executive Vp, CFO, COO
C-Suite Officer 7 673
Value: $604.4K
Mar 11, 2026
Sell
Common Stock
S-Sale
West Alfred P Jr
Chairman Emeritus
CEO / President 1 371
Value: $109.6K

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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ABOUT SEI INVESTMENTS COMPANY
SEI Investments Company
SEI Investments Company is a publicly owned asset management holding company. Through its subsidiaries, the firm provides wealth management, retirement and investment solutions, asset management, asset administration, investment processing outsourcing solutions, financial services, and investment advisory services to its clients. It provides its services to private banks, independent financial advisers, institutional investors, investment manager...
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