SEI Investments Co Insider Trading
Every director, officer and 10% holder of SEI Investments Co has to report each trade in its stock within two business days of making it. This is those filings.
SEIC on carbonthat →Purchases and sales
Open-market trades only — the lines where someone chose to buy or sell at the going price.
| Insider | Action | Value |
|---|---|---|
| Michael LaneExecutive Vice President2026-09-222.4K shat $102.78 | Sale | $246.7K |
| Ryan HickeChief Executive Officer2026-09-0337.5K shat $110.71 | Sale | $4.2M |
| Carmen RomeoDirector2026-09-015K shat $109.70 | Sale | $548.5K |
| Michael PetersonExecutive Vice President2026-08-2837.5K shat $111.51 | Sale | $4.2M |
| Philip McCabeSee Remarks2026-08-055K shat $105.50 | Sale | $532K |
| Philip McCabeSee Remarks2026-08-0425K shat $105.04 | Sale | $2.6M |
| Kathryn McCarthyDirector2026-08-0310K shat $103.54 | Sale | $1M |
| Mark Andrew WarnerSee Remarks*2026-07-282.3K shat $101.11 | Sale | $232.5K |
| Mark Andrew WarnerSee Remarks*2026-07-285.3K shat $102.01 | Sale | $540.7K |
| Mark Andrew WarnerSee Remarks*2026-07-287.4K shat $102.97 | Sale | $762K |
| Michael PetersonExecutive Vice President2026-07-2825K shat $102.05 | Sale | $2.6M |
| Carl GuarinoDirector2026-07-2810K shat $103.20 | Sale | $1M |
| Sanjay SharmaSee Remarks*2026-07-2420K shat $99.33 | Sale | $2M |
| Alfred P West Jr2026-06-295.7K shat $87.18 | Sale | $492.7K |
| Alfred P West Jr2026-06-291.7K shat $88.09 | Sale | $148K |
| Alfred P West Jr2026-06-2646.2K shat $87.21 | Sale | $4M |
| Alfred P West Jr2026-06-263.8K shat $87.67 | Sale | $336.5K |
Source: SEC Form 4 filings, via EDGAR. A derivative line reports the shares underlying an option rather than stock outstanding, so it is marked and is not comparable with the rest. Value is shares times the reported price, and is blank where the filing priced the transaction at zero — a grant costs its recipient nothing. Insiders sell for reasons that have nothing to do with the company, which is why a sale is not read as a signal on its own.
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