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Insider Trading Intelligence
MP

Michael Peterson

SEIC
EXECUTIVE VICE PRESIDENT · SEI INVESTMENTS CO · CIK 0001745371
FILING MIX · LIFETIME48%/52%
BUYS
21
SELLS
23
TOTAL VALUE
$28.36M
COMPANIES
1
ACTIVE SINCE
Dec 2020
HOLDINGS NOW
0
AVG SELL PX
$78.50
TRADE KIND
SHOWING 44 / 44
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
11 backtested trades · 8 horizons · 16 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Michael Peterson, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d11+54.55%-0.66%-0.56%-0.09%+0.24%
14d11+45.45%+0.22%+0.58%-0.36%-0.06%
30d11+45.45%+0.81%+1.11%-0.16%-1.18%
60d11+54.55%+1.86%+3.23%-1.38%+1.01%
90d11(1 pending)+50.00%+0.01%+4.64%-4.63%-4.52%
180d11(1 pending)+60.00%+1.07%+5.95%-4.87%-4.59%
1y11(5 pending)+0.00%+7.89%+20.70%-12.82%-12.99%
2y11(9 pending)+0.00%+40.72%+47.63%-6.92%-6.92%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
SEIC · 0 shares · as of Apr 23, 2026
018,75037,50056,25075,000202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 21 buys / 23 sellsCOVERAGE · 23 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
SEIC
SEI INVESTMENTS CO
SALE
EXECUTIVE VICE PRESIDENT
10,000$90.00$900.0K20,148Apr 23, 2026Apr 23, 2026View →
SEIC
SEI INVESTMENTS CO
PURCHASE
EXECUTIVE VICE PRESIDENT
10,000$48.47$484.7K30,148Apr 23, 2026Apr 23, 2026View →
SEIC
SEI INVESTMENTS CO
SALE
EXECUTIVE VICE PRESIDENT
10,0000Apr 23, 2026Apr 23, 2026View →
SEIC
SEI INVESTMENTS CO
PURCHASEGRANT
Stock grant
7,71121,211Dec 12, 2025Dec 16, 2025View →
SEIC
SEI INVESTMENTS CO
PURCHASEGRANT
Stock grant
43,00043,000Dec 12, 2025Dec 16, 2025View →
SEIC
SEI INVESTMENTS CO
SALE
EXECUTIVE VICE PRESIDENT
1,063$81.25$86.4K20,148Dec 5, 2025Dec 29, 2025View →
SEIC
SEI INVESTMENTS CO
SALE
EXECUTIVE VICE PRESIDENT
25,0000Nov 12, 2025Nov 13, 2025View →
SEIC
SEI INVESTMENTS CO
SALE
EXECUTIVE VICE PRESIDENT
25,000$84.21$2.11M13,500Nov 12, 2025Nov 13, 2025View →
SEIC
SEI INVESTMENTS CO
PURCHASE
EXECUTIVE VICE PRESIDENT
25,000$54.34$1.36M38,500Nov 12, 2025Nov 13, 2025View →
SEIC
SEI INVESTMENTS CO
SALE
EXECUTIVE VICE PRESIDENT
7,0890Aug 7, 2025Aug 8, 2025View →
SEIC
SEI INVESTMENTS CO
PURCHASE
EXECUTIVE VICE PRESIDENT
7,089$61.81$438.2K20,589Aug 7, 2025Aug 8, 2025View →
SEIC
SEI INVESTMENTS CO
SALE
EXECUTIVE VICE PRESIDENT
7,089$88.55$627.7K13,500Aug 7, 2025Aug 8, 2025View →
SEIC
SEI INVESTMENTS CO
PURCHASE
EXECUTIVE VICE PRESIDENT
684$61.81$42.3K14,184Aug 5, 2025Aug 6, 2025View →
SEIC
SEI INVESTMENTS CO
SALE
EXECUTIVE VICE PRESIDENT
684$88.69$60.7K13,500Aug 5, 2025Aug 6, 2025View →
SEIC
SEI INVESTMENTS CO
SALE
EXECUTIVE VICE PRESIDENT
6847,089Aug 5, 2025Aug 6, 2025View →
SEIC
SEI INVESTMENTS CO
SALE
EXECUTIVE VICE PRESIDENT
4,7277,773Jul 31, 2025Aug 4, 2025View →
SEIC
SEI INVESTMENTS CO
SALE
EXECUTIVE VICE PRESIDENT
4,727$88.51$418.4K13,500Jul 31, 2025Aug 4, 2025View →
SEIC
SEI INVESTMENTS CO
PURCHASE
EXECUTIVE VICE PRESIDENT
4,727$61.81$292.2K18,227Jul 31, 2025Aug 4, 2025View →
SEIC
SEI INVESTMENTS CO
PURCHASE
EXECUTIVE VICE PRESIDENT
12,500$60.46$755.8K63,500May 15, 2025May 16, 2025View →
SEIC
SEI INVESTMENTS CO
SALE
EXECUTIVE VICE PRESIDENT
37,5000May 15, 2025May 16, 2025View →
SEIC
SEI INVESTMENTS CO
SALE
EXECUTIVE VICE PRESIDENT
12,5000May 15, 2025May 16, 2025View →
SEIC
SEI INVESTMENTS CO
PURCHASE
EXECUTIVE VICE PRESIDENT
37,500$56.54$2.12M51,000May 15, 2025May 16, 2025View →
SEIC
SEI INVESTMENTS CO
SALE
EXECUTIVE VICE PRESIDENT
50,000$84.27$4.21M13,500May 15, 2025May 16, 2025View →
SEIC
SEI INVESTMENTS CO
PURCHASEGRANT
Stock grant
36,00036,000Dec 12, 2024Dec 16, 2024View →
SEIC
SEI INVESTMENTS CO
PURCHASEGRANT
Stock grant
7,00013,500Dec 12, 2024Dec 16, 2024View →
SEIC
SEI INVESTMENTS CO
PURCHASE
EXECUTIVE VICE PRESIDENT
10,000$64.43$644.3K16,500Nov 6, 2024Nov 8, 2024View →
SEIC
SEI INVESTMENTS CO
SALE
EXECUTIVE VICE PRESIDENT
10,0000Nov 6, 2024Nov 8, 2024View →
SEIC
SEI INVESTMENTS CO
SALE
EXECUTIVE VICE PRESIDENT
10,000$79.14$791.4K6,500Nov 6, 2024Nov 8, 2024View →
SEIC
SEI INVESTMENTS CO
SALE
EVP and General Counsel
20,438$74.49$1.52M11,062Oct 25, 2024Oct 28, 2024View →
SEIC
SEI INVESTMENTS CO
SALE
EVP and General Counsel
25,0000Oct 25, 2024Oct 28, 2024View →
SEIC
SEI INVESTMENTS CO
PURCHASE
EVP and General Counsel
25,000$55.73$1.39M31,500Oct 25, 2024Oct 28, 2024View →
SEIC
SEI INVESTMENTS CO
SALE
EVP and General Counsel
4,562$75.04$342.3K6,500Oct 25, 2024Oct 28, 2024View →
SEIC
SEI INVESTMENTS CO
PURCHASEGRANT
Stock grant
4,0006,500Dec 15, 2023Dec 19, 2023View →
SEIC
SEI INVESTMENTS CO
PURCHASEGRANT
Stock grant
12,50012,500Dec 15, 2023Dec 19, 2023View →
SEIC
SEI INVESTMENTS CO
PURCHASE
EVP and General Counsel
25,000$54.34$1.36M27,500Sep 19, 2023Sep 21, 2023View →
SEIC
SEI INVESTMENTS CO
SALE
EVP and General Counsel
25,000$61.29$1.53M2,500Sep 19, 2023Sep 21, 2023View →
SEIC
SEI INVESTMENTS CO
SALE
EVP and General Counsel
25,0000Sep 19, 2023Sep 21, 2023View →
SEIC
SEI INVESTMENTS CO
SALE
EVP and General Counsel
10,00010,000Jul 28, 2023Jul 31, 2023View →
SEIC
SEI INVESTMENTS CO
SALE
EVP and General Counsel
10,000$63.20$632.0K2,500Jul 28, 2023Jul 31, 2023View →
SEIC
SEI INVESTMENTS CO
PURCHASE
EVP and General Counsel
10,000$48.47$484.7K12,500Jul 28, 2023Jul 31, 2023View →
SEIC
SEI INVESTMENTS CO
PURCHASEGRANT
Stock grant
2,5002,500Dec 5, 2022Feb 28, 2023View →
SEIC
SEI INVESTMENTS CO
PURCHASEGRANT
Stock grant
12,50012,500Dec 5, 2022Feb 28, 2023View →
SEIC
SEI INVESTMENTS CO
PURCHASE
EXECUTIVE VICE PRESIDENT
25,000$60.46$1.51M25,000Dec 10, 2021Dec 14, 2021View →
SEIC
SEI INVESTMENTS CO
PURCHASE
Executive Vice President
75,000$56.54$4.24M75,000Dec 8, 2020Dec 10, 2020View →
Other insiders · SEIC
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About this filer
CIK 0001745371
ROLE
EXECUTIVE VICE PRESIDENT
PRIMARY
SEIC
COMPANIES
1
ACTIVE SINCE
Dec 2020
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