Michael Peterson
Insider
First SEC filing: Dec. 13, 2018 · Latest: Dec. 16, 2024
Insider at
Insider transactions
0 buys (P)
4 sells (S)
Net: $-9,738,125
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 28, 2026 | SEIC | M | 37,500 | $56.54 | $2,120,250 | 57,648 Direct | +186.12% | Acquired | 81.2% (price as of 2026-10-02) |
| Aug. 28, 2026 | SEIC | S | 37,500 | $111.51 | $4,181,625 | 20,148 Direct | -65.05% | Disposed | -8.1% (price as of 2026-10-02) |
| Aug. 28, 2026 | SEIC | M | 37,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 28, 2026 | SEIC | M | 25,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 28, 2026 | SEIC | S | 25,000 | $102.05 | $2,551,250 | 20,148 Direct | -55.37% | Disposed | 0.4% (price as of 2026-10-02) |
| July 28, 2026 | SEIC | M | 25,000 | $55.73 | $1,393,250 | 45,148 Direct | +124.08% | Acquired | 83.8% (price as of 2026-10-02) |
| April 23, 2026 | SEIC | M | 10,000 | $48.47 | $484,700 | 30,148 Direct | +49.63% | Acquired | 111.3% (price as of 2026-10-02) |
| April 23, 2026 | SEIC | S | 10,000 | $90.00 | $900,000 | 20,148 Direct | -33.17% | Disposed | 13.8% (price as of 2026-10-02) |
| April 23, 2026 | SEIC | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 12, 2025 | SEIC | A | 7,711 | · | · | 21,211 Direct | +57.12% | Acquired | (price as of 2026-10-02) |
| Dec. 12, 2025 | SEIC | A | 43,000 | · | · | 43,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 5, 2025 | SEIC | F | 1,063 | $81.25 | $86,369 | 20,148 Direct | -5.01% | Disposed | 26.1% (price as of 2026-10-02) |
| Nov. 12, 2025 | SEIC | M | 25,000 | $54.34 | $1,358,500 | 38,500 Direct | +185.19% | Acquired | 88.5% (price as of 2026-10-02) |
| Nov. 12, 2025 | SEIC | S | 25,000 | $84.21 | $2,105,250 | 13,500 Direct | -64.94% | Disposed | 21.6% (price as of 2026-10-02) |
| Nov. 12, 2025 | SEIC | M | 25,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 7, 2025 | SEIC | M | 7,089 | $61.81 | $438,171 | 20,589 Direct | +52.51% | Acquired | 65.7% (price as of 2026-10-02) |
| Aug. 7, 2025 | SEIC | S | 7,089 | $88.55 | $627,731 | 13,500 Direct | -34.43% | Disposed | 15.7% (price as of 2026-10-02) |
| Aug. 7, 2025 | SEIC | M | 7,089 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 5, 2025 | SEIC | M | 684 | $61.81 | $42,278 | 14,184 Direct | +5.07% | Acquired | 65.7% (price as of 2026-10-02) |
| Aug. 5, 2025 | SEIC | S | 684 | $88.69 | $60,664 | 13,500 Direct | -4.82% | Disposed | 15.5% (price as of 2026-10-02) |
| Aug. 5, 2025 | SEIC | M | 684 | · | · | 7,089 Direct | -8.80% | Disposed | (price as of 2026-10-02) |
| July 31, 2025 | SEIC | M | 4,727 | $61.81 | $292,176 | 18,227 Direct | +35.01% | Acquired | 65.7% (price as of 2026-10-02) |
| July 31, 2025 | SEIC | S | 4,727 | $88.51 | $418,387 | 13,500 Direct | -25.93% | Disposed | 15.7% (price as of 2026-10-02) |
| July 31, 2025 | SEIC | M | 4,727 | · | · | 7,773 Direct | -37.82% | Disposed | (price as of 2026-10-02) |
| May 15, 2025 | SEIC | M | 37,500 | $56.54 | $2,120,250 | 51,000 Direct | +277.78% | Acquired | 81.2% (price as of 2026-10-02) |
| May 15, 2025 | SEIC | M | 12,500 | $60.46 | $755,750 | 63,500 Direct | +24.51% | Acquired | 69.4% (price as of 2026-10-02) |
| May 15, 2025 | SEIC | S | 50,000 | $84.27 | $4,213,500 | 13,500 Direct | -78.74% | Disposed | 21.5% (price as of 2026-10-02) |
| May 15, 2025 | SEIC | M | 37,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 15, 2025 | SEIC | M | 12,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 12, 2024 | SEIC | A | 36,000 | · | · | 36,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 12, 2024 | SEIC | A | 7,000 | · | · | 13,500 Direct | +107.69% | Acquired | (price as of 2026-10-02) |
| Nov. 6, 2024 | SEIC | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 6, 2024 | SEIC | S | 10,000 | $79.14 | $791,400 | 6,500 Direct | -60.61% | Disposed | 29.4% (price as of 2026-10-02) |
| Nov. 6, 2024 | SEIC | M | 10,000 | $64.43 | $644,300 | 16,500 Direct | +153.85% | Acquired | 59.0% (price as of 2026-10-02) |
| Oct. 25, 2024 | SEIC | M | 25,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 25, 2024 | SEIC | S | 4,562 | $75.04 | $342,332 | 6,500 Direct | -41.24% | Disposed | 36.5% (price as of 2026-10-02) |
| Oct. 25, 2024 | SEIC | S | 20,438 | $74.49 | $1,522,427 | 11,062 Direct | -64.88% | Disposed | 37.5% (price as of 2026-10-02) |
| Oct. 25, 2024 | SEIC | M | 25,000 | $55.73 | $1,393,250 | 31,500 Direct | +384.62% | Acquired | 83.8% (price as of 2026-10-02) |
| Dec. 15, 2023 | SEIC | A | 12,500 | · | · | 12,500 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2023 | SEIC | A | 12,500 | · | · | 12,500 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2023 | SEIC | A | 4,000 | · | · | 6,500 Direct | +160.00% | Acquired | (price as of 2026-10-02) |
| Sept. 19, 2023 | SEIC | M | 25,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 19, 2023 | SEIC | S | 25,000 | $61.29 | $1,532,250 | 2,500 Direct | -90.91% | Disposed | 67.1% (price as of 2026-10-02) |
| Sept. 19, 2023 | SEIC | M | 25,000 | $54.34 | $1,358,500 | 27,500 Direct | +1000.00% | Acquired | 88.5% (price as of 2026-10-02) |
| July 28, 2023 | SEIC | M | 10,000 | · | · | 10,000 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| July 28, 2023 | SEIC | S | 10,000 | $63.20 | $632,000 | 2,500 Direct | -80.00% | Disposed | 62.1% (price as of 2026-10-02) |
| July 28, 2023 | SEIC | M | 10,000 | $48.47 | $484,700 | 12,500 Direct | +400.00% | Acquired | 111.3% (price as of 2026-10-02) |
| Dec. 5, 2022 | SEIC | A | 12,500 | · | · | 12,500 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 5, 2022 | SEIC | A | 12,500 | · | · | 12,500 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 5, 2022 | SEIC | A | 2,500 | · | · | 2,500 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 10, 2021 | SEIC | M | 25,000 | $60.46 | $1,511,500 | 25,000 Direct | · | Acquired | 69.4% (price as of 2026-10-02) |
| Dec. 8, 2020 | SEIC | M | 75,000 | $56.54 | $4,240,500 | 75,000 Direct | · | Acquired | 81.2% (price as of 2026-10-02) |
| Dec. 9, 2019 | SEIC | M | 20,000 | $64.43 | $1,288,600 | 20,000 Direct | · | Acquired | 59.0% (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Aug. 28, 2026 | SEIC | Option to Purchase Common Stock | Common Stock | $56.54 | Dec. 8, 2030 | 37,500 | Disposed |
| July 28, 2026 | SEIC | Option to Purchase Common Stock | Common Stock | $55.73 | June 18, 2030 | 25,000 | Disposed |
| April 23, 2026 | SEIC | Option to Purchase Common Stock | Common Stock | $48.47 | Dec. 11, 2028 | 10,000 | Disposed |
| Dec. 12, 2025 | SEIC | Option to Purchase Common Stock | Common Stock | $83.00 | Dec. 12, 2035 | 43,000 | Acquired |
| Nov. 12, 2025 | SEIC | Option to Purchase Common Stock | Common Stock | $54.34 | June 18, 2029 | 25,000 | Disposed |
| Aug. 7, 2025 | SEIC | Option to Purchase Common Stock | Common Stock | $61.81 | Dec. 5, 2032 | 7,089 | Disposed |
| Aug. 5, 2025 | SEIC | Option to Purchase Common Stock | Common Stock | $61.81 | Dec. 5, 2032 | 684 | Disposed |
| July 31, 2025 | SEIC | Option to Purchase Common Stock | Common Stock | $61.81 | Dec. 5, 2032 | 4,727 | Disposed |
| May 15, 2025 | SEIC | Option to Purchase Common Stock | Common Stock | $56.54 | Dec. 8, 2030 | 37,500 | Disposed |
| May 15, 2025 | SEIC | COMMON STOCK ( RIGHT TO PURCHASE) | Common Stock (right to purchase) | $60.46 | Dec. 10, 2031 | 12,500 | Disposed |
| Dec. 12, 2024 | SEIC | Option to Purchase Common Stock | Common Stock | $86.58 | Dec. 12, 2034 | 36,000 | Acquired |
| Nov. 6, 2024 | SEIC | Option to Purchase Common Stock | Common Stock | $64.43 | Dec. 9, 2029 | 10,000 | Disposed |
| Oct. 25, 2024 | SEIC | Option to Purchase Common Stock | Common Stock | $55.73 | June 18, 2030 | 25,000 | Disposed |
| Dec. 15, 2023 | SEIC | Option to Purchase Common Stock | Common Stock | $62.00 | Dec. 15, 2033 | 12,500 | Acquired |
| Dec. 15, 2023 | SEIC | Option to Purchase Common Stock | Common Stock | $62.00 | Dec. 15, 2033 | 12,500 | Acquired |
| Sept. 19, 2023 | SEIC | Option to Purchase Common Stock | Common Stock | $54.34 | June 18, 2029 | 25,000 | Disposed |
| July 28, 2023 | SEIC | Option to Purchase Common Stock | Common Stock | $48.47 | Dec. 11, 2028 | 10,000 | Disposed |
| Dec. 5, 2022 | SEIC | Option to Purchase Common Stock | Common Stock | $61.81 | Dec. 5, 2032 | 12,500 | Acquired |
| Dec. 5, 2022 | SEIC | Option to Purchase Common Stock | Common Stock | $61.81 | Dec. 5, 2032 | 12,500 | Acquired |
| Dec. 10, 2021 | SEIC | COMMON STOCK ( RIGHT TO PURCHASE) | COMMON STOCK (RIGHT TO PURCHASE) | $60.46 | Dec. 10, 2031 | 25,000 | Acquired |
| Dec. 8, 2020 | SEIC | STOCK OPTION (RIGHT TO PURCHASE) | STOCK OPTION (RIGHT TO PURCHASE) | $56.54 | Dec. 8, 2030 | 75,000 | Acquired |
| Dec. 9, 2019 | SEIC | STOCK OPTION (RIGHT TO PURCHASE) | STOCK OPTIONS RIGHT TO PURCHASE | $64.43 | Dec. 9, 2030 | 20,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Dec. 13, 2018 | SEIC | STOCK OPTION (RIGHT TO PURCHASE) | · | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2024 | $650,000 | · | $606,060 | $859,680 | $1,100,000 | · | $20,542 | $3,236,282 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.