Michael Peterson
CIK: 0001745371
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
SEI INVESTMENTS CO
Discretionary Trading P&L
Holdings
Transaction History (25 total)
- Aug 28, 2026SEIC
SEI INVESTMENTS CO
Sale(S)Direct37.5K shares at avg. $111.51$4.2M - Aug 28, 2026SEIC
SEI INVESTMENTS CO
Exercise(M)Direct37.5K shares at avg. $56.54$2.1M - Jul 28, 2026SEIC
SEI INVESTMENTS CO
Sale(S)Direct25K shares at avg. $102.05$2.6M - Jul 28, 2026SEIC
SEI INVESTMENTS CO
Exercise(M)Direct25K shares at avg. $55.73$1.4M - Apr 23, 2026SEIC
SEI INVESTMENTS CO
Exercise(M)Direct10K shares at avg. $48.47$485K - Apr 23, 2026SEIC
SEI INVESTMENTS CO
Sale(S)Direct10K shares at avg. $90.00$900K - Dec 12, 2025SEIC
SEI INVESTMENTS CO
Award(A)Direct7.7K shares- - Dec 5, 2025SEIC
SEI INVESTMENTS CO
Tax Payment(F)Direct1.1K shares at avg. $81.25$86K - Nov 12, 2025SEIC
SEI INVESTMENTS CO
Sale(S)Direct25K shares at avg. $84.21$2.1M - Nov 12, 2025SEIC
SEI INVESTMENTS CO
Exercise(M)Direct25K shares at avg. $54.34$1.4M - Aug 7, 2025SEIC
SEI INVESTMENTS CO
Sale(S)Direct7.1K shares at avg. $88.55$628K - Aug 7, 2025SEIC
SEI INVESTMENTS CO
Exercise(M)Direct7.1K shares at avg. $61.81$438K - Aug 5, 2025SEIC
SEI INVESTMENTS CO
Sale(S)Direct684 shares at avg. $88.69$61K - Aug 5, 2025SEIC
SEI INVESTMENTS CO
Exercise(M)Direct684 shares at avg. $61.81$42K - Jul 31, 2025SEIC
SEI INVESTMENTS CO
Exercise(M)Direct4.7K shares at avg. $61.81$292K - Jul 31, 2025SEIC
SEI INVESTMENTS CO
Sale(S)Direct4.7K shares at avg. $88.51$418K - May 15, 2025SEIC
SEI INVESTMENTS CO
Sale(S)Direct50K shares at avg. $84.27$4.2M - May 15, 2025SEIC
SEI INVESTMENTS CO
Exercise(M)Direct12.5K shares at avg. $60.46$756K - May 15, 2025SEIC
SEI INVESTMENTS CO
Exercise(M)Direct37.5K shares at avg. $56.54$2.1M - Dec 12, 2024SEIC
SEI INVESTMENTS CO
Award(A)Direct7K shares- - Nov 6, 2024SEIC
SEI INVESTMENTS CO
Exercise(M)Direct10K shares at avg. $64.43$644K - Nov 6, 2024SEIC
SEI INVESTMENTS CO
Sale(S)Direct10K shares at avg. $79.14$791K - Oct 25, 2024SEIC
SEI INVESTMENTS CO
Sale(S)Direct20.4K shares at avg. $74.49$1.5M - Oct 25, 2024SEIC
SEI INVESTMENTS CO
Sale(S)Direct4.6K shares at avg. $75.04$342K - Oct 25, 2024SEIC
SEI INVESTMENTS CO
Exercise(M)Direct25K shares at avg. $55.73$1.4M
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 28, 2026 | SEIC SEI INVESTMENTS CO | Sale(S) | 37,500 | $111.51 | $4,181,625 | Direct |
| Aug 28, 2026 | SEIC SEI INVESTMENTS CO | Exercise(M) | 37,500 | $56.54 | $2,120,250 | Direct |
| Jul 28, 2026 | SEIC SEI INVESTMENTS CO | Sale(S) | 25,000 | $102.05 | $2,551,250 | Direct |
| Jul 28, 2026 | SEIC SEI INVESTMENTS CO | Exercise(M) | 25,000 | $55.73 | $1,393,250 | Direct |
| Apr 23, 2026 | SEIC SEI INVESTMENTS CO | Exercise(M) | 10,000 | $48.47 | $484,700 | Direct |
| Apr 23, 2026 | SEIC SEI INVESTMENTS CO | Sale(S) | 10,000 | $90.00 | $900,000 | Direct |
| Dec 12, 2025 | SEIC SEI INVESTMENTS CO | Award(A) | 7,711 | - | - | Direct |
| Dec 5, 2025 | SEIC SEI INVESTMENTS CO | Tax Payment(F) | 1,063 | $81.25 | $86,369 | Direct |
| Nov 12, 2025 | SEIC SEI INVESTMENTS CO | Sale(S) | 25,000 | $84.21 | $2,105,250 | Direct |
| Nov 12, 2025 | SEIC SEI INVESTMENTS CO | Exercise(M) | 25,000 | $54.34 | $1,358,500 | Direct |
| Aug 7, 2025 | SEIC SEI INVESTMENTS CO | Sale(S) | 7,089 | $88.55 | $627,731 | Direct |
| Aug 7, 2025 | SEIC SEI INVESTMENTS CO | Exercise(M) | 7,089 | $61.81 | $438,171 | Direct |
| Aug 5, 2025 | SEIC SEI INVESTMENTS CO | Sale(S) | 684 | $88.69 | $60,664 | Direct |
| Aug 5, 2025 | SEIC SEI INVESTMENTS CO | Exercise(M) | 684 | $61.81 | $42,278 | Direct |
| Jul 31, 2025 | SEIC SEI INVESTMENTS CO | Exercise(M) | 4,727 | $61.81 | $292,176 | Direct |
| Jul 31, 2025 | SEIC SEI INVESTMENTS CO | Sale(S) | 4,727 | $88.51 | $418,387 | Direct |
| May 15, 2025 | SEIC SEI INVESTMENTS CO | Sale(S) | 50,000 | $84.27 | $4,213,500 | Direct |
| May 15, 2025 | SEIC SEI INVESTMENTS CO | Exercise(M) | 12,500 | $60.46 | $755,750 | Direct |
| May 15, 2025 | SEIC SEI INVESTMENTS CO | Exercise(M) | 37,500 | $56.54 | $2,120,250 | Direct |
| Dec 12, 2024 | SEIC SEI INVESTMENTS CO | Award(A) | 7,000 | - | $0 | Direct |
| Nov 6, 2024 | SEIC SEI INVESTMENTS CO | Exercise(M) | 10,000 | $64.43 | $644,300 | Direct |
| Nov 6, 2024 | SEIC SEI INVESTMENTS CO | Sale(S) | 10,000 | $79.14 | $791,400 | Direct |
| Oct 25, 2024 | SEIC SEI INVESTMENTS CO | Sale(S) | 20,438 | $74.49 | $1,522,427 | Direct |
| Oct 25, 2024 | SEIC SEI INVESTMENTS CO | Sale(S) | 4,562 | $75.04 | $342,332 | Direct |
| Oct 25, 2024 | SEIC SEI INVESTMENTS CO | Exercise(M) | 25,000 | $55.73 | $1,393,250 | Direct |
1-25 of 25 transactions
About Peterson Michael
Peterson Michael (SEC CIK 0001745371) files insider reports with the SEC as Executive Vice President of SEI INVESTMENTS CO (SEIC).
Signal8 holds 13 ownership filings by Peterson Michael, all Form 4s, filed between Oct 29, 2024 and Sep 1, 2026. Those filings report 25 transactions, from Oct 25, 2024 to Aug 28, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Peterson Michael's filings is in OAKS, PA.
Recent filings by Peterson Michael
- Aug 28, 2026: Open-market sale of SEIC shares (Form 4, code S).
- Aug 28, 2026: Option exercise of SEIC shares (Form 4, code M).
- Jul 28, 2026: Open-market sale of SEIC shares (Form 4, code S).
- Jul 28, 2026: Option exercise of SEIC shares (Form 4, code M).
- Apr 23, 2026: Option exercise of SEIC shares (Form 4, code M).
Other insiders filing for SEI INVESTMENTS CO (SEIC)
- WEST ALFRED P JR, Officer
- LANE MICHAEL, Executive Vice President
- Hicke Ryan, Chief Executive Officer
- ROMEO CARMEN, Director
- McCabe Philip
- MCCARTHY KATHRYN, Director