Summary
Updated Aug 30, 2026
Stephanie D. Miller is Director of SEI INVESTMENTS CO (SEIC). 1 SEC Form 4 filing on record, dated 16 December 2024.
Recent Transactions
1Every recent SEC Form 4 transaction Stephanie D. Miller has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Stephanie D. Miller go back to 2024: 1 primary Form 4 filing, an average of 0.3 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Stephanie D. Miller files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Alfred P. West Jr. - $12.01M of SEIC open-market activity in the last 12 months
- Ryan Hicke - $6.99M of SEIC open-market activity in the last 12 months
- Michael Peterson - $5.56M of SEIC open-market activity in the last 12 months
- Philip McCabe - $4.53M of SEIC open-market activity in the last 12 months
- Sanjay Sharma - $4.24M of SEIC open-market activity in the last 12 months
- Kathryn McCarthy - $2.80M of SEIC open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Stephanie D. Miller?
Stephanie D. Miller is a corporate insider, tracked as Director of SEI INVESTMENTS CO (SEIC). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Stephanie D. Miller last file a Form 4?
The only primary Form 4 on record is dated 16 December 2024.
Where can I see all of Stephanie D. Miller's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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