Insider · CIK 0001745371
Michael Peterson
Files at SEIC (SEI INVESTMENTS CO). First filing Oct 29, 2024, latest Sep 1, 2026.
Michael Peterson files SEC Form 4 as officer at SEIC (SEI INVESTMENTS CO). Since Oct 29, 2024, Michael Peterson has reported 0 open-market buys worth $0 and 8 open-market sells worth $14M, the latest filed on Sep 1, 2026.
A track record needs three past buys with six months of prices behind them; Michael Peterson has 0, so none is measured yet.
The newest scored trade: sold $4.2M of SEIC on Aug 28, 2026, filed Sep 1, 2026, scored 60 (notable). In the last 12 months: 0 buys worth $0 and 2 sells worth $6.3M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
SEIC: SEI INVESTMENTS CO
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 60Notable | SEI INVESTMENTS CO | $4.2M 37,500 shares | -65% | +49% from low0% from high | |
| 53Moderate | SEI INVESTMENTS CO | $2.1M 25,000 shares | -65% | +27% from low-11% from high | |
| 45Moderate | SEI INVESTMENTS CO | $628k 7,089 shares | -34% | +33% from low-7% from high | |
| 22Weak | SEI INVESTMENTS CO | $61k 684 shares | -5% | +34% from low-6% from high | |
| 34Weak | SEI INVESTMENTS CO | $418k 4,727 shares | -26% | +35% from low-6% from high | |
| 60Notable | SEI INVESTMENTS CO | $4.2M 50,000 shares | -79% | +29% from low-2% from high | |
| 57Moderate | SEI INVESTMENTS CO | $791k 10,000 shares | -61% | - | |
| 60Notable | SEI INVESTMENTS CO | $1.9M 25,000 shares | -79% | - |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Nov 12, 2025 | SEIC SEI INVESTMENTS CO | 25,000 0.02% of outstanding | $2.1M | Nov 12, 2025 | none |
| Jul 31, 2025 | SEIC SEI INVESTMENTS CO | 12,500 0.01% of outstanding | $1.1M | Jul 31, 2025 | $4.2M |
| May 15, 2025 | SEIC SEI INVESTMENTS CO | 50,000 0.04% of outstanding | $4.2M | May 15, 2025 | none |
| Nov 6, 2024 | SEIC SEI INVESTMENTS CO | 10,000 0.01% of outstanding | $791k | Nov 6, 2024 | $1.9M |
| Oct 25, 2024 | SEIC SEI INVESTMENTS CO | 25,000 0.02% of outstanding | $1.9M | Oct 25, 2024 | none |
Transactions
Every row this insider has filed, 32 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 28, 2026 | SEIC SEI INVESTMENTS CO | MOption exercise Common Stock | +37,500 | $56.54 | $2.1M | 57,648 | 42 d ago |
| Aug 28, 2026 | SEIC SEI INVESTMENTS CO | SOpen-market sale Common Stock | -37,500 | $111.51 | $4.2M | 20,148 | 42 d ago |
| Aug 28, 2026 | SEIC SEI INVESTMENTS CO | MOption exercise Option to Purchase Common Stockderivative | -37,500 | - | - | 0 | 42 d ago |
| Dec 5, 2025 | SEIC SEI INVESTMENTS CO | FTax withholding Common Stock | -1,063 | $81.25 | $86k | 20,148 | Dec 29, 2025 |
| Dec 12, 2025 | SEIC SEI INVESTMENTS CO | AGrant or award Common Stock | +7,711 | - | - | 21,211 | Dec 16, 2025 |
| Dec 12, 2025 | SEIC SEI INVESTMENTS CO | AGrant or award Option to Purchase Common Stockderivative | +43,000 | - | - | 43,000 | Dec 16, 2025 |
| Nov 12, 2025 | SEIC SEI INVESTMENTS CO | MOption exercise Common Stock | +25,000 | $54.34 | $1.4M | 38,500 | Nov 13, 2025 |
| Nov 12, 2025 | SEIC SEI INVESTMENTS CO | SOpen-market sale Common Stock | -25,000 | $84.21 | $2.1M | 13,500 | Nov 13, 2025 |
| Nov 12, 2025 | SEIC SEI INVESTMENTS CO | MOption exercise Option to Purchase Common Stockderivative | -25,000 | - | - | 0 | Nov 13, 2025 |
| Aug 7, 2025 | SEIC SEI INVESTMENTS CO | MOption exercise Common Stock | +7,089 | $61.81 | $438k | 20,589 | Aug 8, 2025 |
| Aug 7, 2025 | SEIC SEI INVESTMENTS CO | SOpen-market sale Common Stock | -7,089 | $88.55 | $628k | 13,500 | Aug 8, 2025 |
| Aug 7, 2025 | SEIC SEI INVESTMENTS CO | MOption exercise Option to Purchase Common Stockderivative | -7,089 | - | - | 0 | Aug 8, 2025 |
| Aug 5, 2025 | SEIC SEI INVESTMENTS CO | MOption exercise Common Stock | +684 | $61.81 | $42k | 14,184 | Aug 6, 2025 |
| Aug 5, 2025 | SEIC SEI INVESTMENTS CO | SOpen-market sale Common Stock | -684 | $88.69 | $61k | 13,500 | Aug 6, 2025 |
| Aug 5, 2025 | SEIC SEI INVESTMENTS CO | MOption exercise Option to Purchase Common Stockderivative | -684 | - | - | 7,089 | Aug 6, 2025 |
| Jul 31, 2025 | SEIC SEI INVESTMENTS CO | MOption exercise Common Stock | +4,727 | $61.81 | $292k | 18,227 | Aug 4, 2025 |
| Jul 31, 2025 | SEIC SEI INVESTMENTS CO | SOpen-market sale Common Stock | -4,727 | $88.51 | $418k | 13,500 | Aug 4, 2025 |
| Jul 31, 2025 | SEIC SEI INVESTMENTS CO | MOption exercise Option to Purchase Common Stockderivative | -4,727 | - | - | 7,773 | Aug 4, 2025 |
| May 15, 2025 | SEIC SEI INVESTMENTS CO | MOption exercise Common Stock | +37,500 | $56.54 | $2.1M | 51,000 | May 16, 2025 |
| May 15, 2025 | SEIC SEI INVESTMENTS CO | MOption exercise Common Stock | +12,500 | $60.46 | $756k | 63,500 | May 16, 2025 |
| May 15, 2025 | SEIC SEI INVESTMENTS CO | SOpen-market sale Common Stock | -50,000 | $84.27 | $4.2M | 13,500 | May 16, 2025 |
| May 15, 2025 | SEIC SEI INVESTMENTS CO | MOption exercise Option to Purchase Common Stockderivative | -37,500 | - | - | 0 | May 16, 2025 |
| May 15, 2025 | SEIC SEI INVESTMENTS CO | MOption exercise COMMON STOCK ( RIGHT TO PURCHASE)derivative | -12,500 | - | - | 0 | May 16, 2025 |
| Dec 12, 2024 | SEIC SEI INVESTMENTS CO | AGrant or award Common Stock | +7,000 | - | - | 13,500 | Dec 16, 2024 |
| Dec 12, 2024 | SEIC SEI INVESTMENTS CO | AGrant or award Option to Purchase Common Stockderivative | +36,000 | - | - | 36,000 | Dec 16, 2024 |
| Nov 6, 2024 | SEIC SEI INVESTMENTS CO | MOption exercise Common Stock | +10,000 | $64.43 | $644k | 16,500 | Nov 8, 2024 |
| Nov 6, 2024 | SEIC SEI INVESTMENTS CO | SOpen-market sale Common Stock | -10,000 | $79.14 | $791k | 6,500 | Nov 8, 2024 |
| Nov 6, 2024 | SEIC SEI INVESTMENTS CO | MOption exercise Option to Purchase Common Stockderivative | -10,000 | - | - | 0 | Nov 8, 2024 |
| Oct 25, 2024 | SEIC SEI INVESTMENTS CO | MOption exercise Common Stock | +25,000 | $55.73 | $1.4M | 31,500 | Oct 29, 2024 |
| Oct 25, 2024 | SEIC SEI INVESTMENTS CO | SOpen-market sale Common Stock | -20,438 | $74.49 | $1.5M | 11,062 | Oct 29, 2024 |
| Oct 25, 2024 | SEIC SEI INVESTMENTS CO | SOpen-market sale Common Stock | -4,562 | $75.04 | $342k | 6,500 | Oct 29, 2024 |
| Oct 25, 2024 | SEIC SEI INVESTMENTS CO | MOption exercise Option to Purchase Common Stockderivative | -25,000 | - | - | 0 | Oct 29, 2024 |
Questions about Michael Peterson
Answered from the filings on this page, as of the latest one.
Is Michael Peterson buying or selling?
In the last 12 months Michael Peterson reported 0 open-market buys worth $0 and 2 open-market sells worth $6.3M on SEC Form 4; the latest was sold $4.2M of SEIC on Aug 28, 2026. Grants, option exercises and tax withholding are not counted.
How did Michael Peterson's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Michael Peterson has 0.
Where does Michael Peterson file Form 4?
Michael Peterson has filed Form 4 at SEIC (SEI INVESTMENTS CO) as EXECUTIVE VICE PRESIDENT. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.