Company profile
SEI INVESTMENTS CO insider acquisitions
Company CIK 0000350894 · Reported insider acquisitions and filing context.
SEIC · Nasdaq
These are company listings. A transaction is linked to a particular security only when the filing provides enough information.
Company activity summary
By transaction date, as of October 21, 2026.
No records are loaded for this 30-day transaction window. This does not establish that no transactions occurred.
Known purchase value sums available amounts for non-derivative purchases only. Missing amounts are excluded. “Currency not specified” does not establish that the amounts share a currency. These summaries use all matching loaded records, while the timeline below covers only the current page.
Transaction timeline
Who reported an acquisition, and when the transaction occurred.
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition
27 dated transactions · 8 of 14 reporting owners shown. Select one owner to focus the chart.
View timeline as a table
| Transaction date | Company / security | Reporting owners | Acquisition type |
|---|---|---|---|
| Dec 12, 2025 | SEI INVESTMENTS COOption to Purchase Common Stock | Peterson Michael | Stock award |
| Dec 12, 2025 | SEI INVESTMENTS COCommon Stock | Peterson Michael | Stock award |
| Dec 12, 2025 | SEI INVESTMENTS COOption to Purchase Common Stock | Denham Sean | Stock award |
| Dec 12, 2025 | SEI INVESTMENTS COCommon Stock | Denham Sean | Stock award |
| Dec 12, 2025 | SEI INVESTMENTS COOption to Purchase Common Stock | LANE MICHAEL | Stock award |
| Dec 12, 2025 | SEI INVESTMENTS COCommon Stock | LANE MICHAEL | Stock award |
| Dec 12, 2025 | SEI INVESTMENTS COOption to Purchase Common Stock | McCabe Philip | Stock award |
| Dec 12, 2025 | SEI INVESTMENTS COCommon Stock | McCabe Philip | Stock award |
| Dec 12, 2025 | SEI INVESTMENTS COOption to Purchase Common Stock | Hicke Ryan | Stock award |
| Dec 12, 2025 | SEI INVESTMENTS COCommon Stock | Hicke Ryan | Stock award |
| Dec 12, 2025 | SEI INVESTMENTS COOption to Purchase Common Stock | Sharma Sanjay | Stock award |
| Dec 12, 2025 | SEI INVESTMENTS COCommon Stock | Sharma Sanjay | Stock award |
| Dec 12, 2025 | SEI INVESTMENTS COCommon Stock | Sharma Sanjay | Stock award |
| Dec 12, 2025 | SEI INVESTMENTS COCommon Stock | Risi Karin A. | Stock award |
| Dec 12, 2025 | SEI INVESTMENTS COCommon Stock | GUARINO CARL | Stock award |
| Dec 12, 2025 | SEI INVESTMENTS COCommon Stock | MCCARTHY KATHRYN | Stock award |
| Dec 12, 2025 | SEI INVESTMENTS COCOMMON STOCK | ROMEO CARMEN | Stock award |
| Dec 12, 2025 | SEI INVESTMENTS COCommon Stock | Naratil Thomas C. | Stock award |
| Dec 12, 2025 | SEI INVESTMENTS COCommon Stock | Brassington Jonathan | Stock award |
| Dec 12, 2025 | SEI INVESTMENTS COCommon Stock | DORAN WILLIAM | Stock award |
| Dec 4, 2025 | SEI INVESTMENTS COCommon Stock | McCabe Philip | Exercise / conversion |
| Dec 3, 2025 | SEI INVESTMENTS COCommon Stock | WEST ALFRED P JR | Exercise / conversion |
| Nov 17, 2025 | SEI INVESTMENTS COCommon Stock | DORAN WILLIAM | Exercise / conversion |
| Nov 12, 2025 | SEI INVESTMENTS COCommon Stock | Peterson Michael | Exercise / conversion |
| Nov 11, 2025 | SEI INVESTMENTS COCOMMON STOCK | ROMEO CARMEN | Exercise / conversion |
| Oct 24, 2025 | SEI INVESTMENTS COOption to Purchase Common Stock | McCabe Philip | Exercise / conversion |
| Oct 24, 2025 | SEI INVESTMENTS COCommon Stock | McCabe Philip | Exercise / conversion |
Only transactions on this page are shown. Date windows end on the latest transaction date in this sample. Joint filings may appear on more than one row. Sales are not included. Share-price charts use a separate data source.
Share price & reported acquisitions
Daily closing prices from a separate source. The date window above also filters prices; reporting-owner and transaction-type selections filter the markers.
Price history is not available
Market-price history is not connected yet.
SEIC · Currency not specified. A marker uses that day's closing price, not the reported transaction price. No price is substituted for a missing trading day.
Reported acquisitions
Filing-date filters apply to the list and timeline. The summary above uses transaction dates.
| Filed / transacted | Reporting owners | Type / security | Quantity | Price / reference value | Details |
|---|---|---|---|---|---|
| Trade: | Peterson MichaelEXECUTIVE VICE PRESIDENT | Stock awardOption to Purchase Common StockDerivative security · Code A | 43,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Peterson MichaelEXECUTIVE VICE PRESIDENT | Stock awardCommon StockNon-derivative security · Code A | 7,711 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Denham SeanExecutive Vice President, CFO | Stock awardOption to Purchase Common StockDerivative security · Code A | 49,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Denham SeanExecutive Vice President, CFO | Stock awardCommon StockNon-derivative security · Code A | 13,254 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | LANE MICHAELExecutive Vice President | Stock awardOption to Purchase Common StockDerivative security · Code A | 49,650 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | LANE MICHAELExecutive Vice President | Stock awardCommon StockNon-derivative security · Code A | 8,916 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | McCabe PhilipSee Remarks | Stock awardOption to Purchase Common StockDerivative security · Code A | 47,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | McCabe PhilipSee Remarks | Stock awardCommon StockNon-derivative security · Code A | 8,434 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Hicke RyanCHIEF EXECUTIVE OFFICER · Director | Stock awardOption to Purchase Common StockDerivative security · Code A | 288,333 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Hicke RyanCHIEF EXECUTIVE OFFICER · Director | Stock awardCommon StockNon-derivative security · Code A | 25,904 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Sharma SanjaySee Remarks* | Stock awardOption to Purchase Common StockDerivative security · Code A | 47,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Sharma SanjaySee Remarks* | Stock awardCommon StockNon-derivative security · Code A | 7,500 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Sharma SanjaySee Remarks* | Stock awardCommon StockNon-derivative security · Code A | 8,434 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Risi Karin A.Director | Stock awardCommon StockNon-derivative security · Code A | 2,266 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | GUARINO CARLDirector | Stock awardCommon StockNon-derivative security · Code A | 2,266 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | MCCARTHY KATHRYNDirector | Stock awardCommon StockNon-derivative security · Code A | 2,266 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | ROMEO CARMENDirector | Stock awardCOMMON STOCKNon-derivative security · Code A | 2,266 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Naratil Thomas C.Director | Stock awardCommon StockNon-derivative security · Code A | 2,266 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Brassington JonathanDirector | Stock awardCommon StockNon-derivative security · Code A | 2,266 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | DORAN WILLIAMDirector | Stock awardCommon StockNon-derivative security · Code A | 2,266 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | McCabe PhilipSee Remarks | Exercise / conversionCommon StockNon-derivative security · Code M | 12,000 | 53.34Value: 640,080Currency not specified | View ↗ |
| Trade: | WEST ALFRED P JRExecutive Chairman · Director | Exercise / conversionCommon StockNon-derivative security · Code M | 30,000 | 53.34Value: 1,600,200Currency not specified | View ↗ |
| Trade: | DORAN WILLIAMDirector | Exercise / conversionCommon StockNon-derivative security · Code M | 10,000 | 53.34Value: 533,400Currency not specified | View ↗ |
| Trade: | Peterson MichaelEXECUTIVE VICE PRESIDENT | Exercise / conversionCommon StockNon-derivative security · Code M | 25,000 | 54.34Value: 1,358,500Currency not specified | View ↗ |
| Trade: | ROMEO CARMENDirector | Exercise / conversionCOMMON STOCKNon-derivative security · Code M | 5,000 | 53.34Value: 266,700Currency not specified | View ↗ |
| Trade: | McCabe PhilipSee Remarks | Exercise / conversionOption to Purchase Common StockDerivative security · Code M | 12,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | McCabe PhilipSee Remarks | Exercise / conversionCommon StockNon-derivative security · Code M | 12,000 | 53.34Value: 640,080Currency not specified | View ↗ |
27 transactions on this page. Filing date, newest first.
Reporting owners are associated with a filing. Jointly reported amounts are not allocated to individual owners. Historical coverage is still being built. Read the methodology →