Mark Andrew Warner
Insider
First SEC filing: April 6, 2023 · Latest: March 5, 2025
Insider at
Insider transactions
0 buys (P)
5 sells (S)
Net: $-2,226,761
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 |
|---|---|---|---|---|---|---|---|---|---|
| July 28, 2026 | SEIC | M | 5,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 28, 2026 | SEIC | M | 5,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 28, 2026 | SEIC | M | 2,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 28, 2026 | SEIC | M | 2,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 28, 2026 | SEIC | S | 7,400 | $102.97 | $761,978 | 921 Direct | -88.93% | Disposed | -0.5% (price as of 2026-10-02) |
| July 28, 2026 | SEIC | S | 5,300 | $102.01 | $540,653 | 8,321 Direct | -38.91% | Disposed | 0.4% (price as of 2026-10-02) |
| July 28, 2026 | SEIC | S | 2,300 | $101.10 | $232,530 | 13,621 Direct | -14.45% | Disposed | 1.3% (price as of 2026-10-02) |
| July 28, 2026 | SEIC | M | 5,000 | $56.54 | $282,700 | 15,921 Direct | +45.78% | Acquired | 81.2% (price as of 2026-10-02) |
| July 28, 2026 | SEIC | M | 5,000 | $56.54 | $282,700 | 10,921 Direct | +84.45% | Acquired | 81.2% (price as of 2026-10-02) |
| July 28, 2026 | SEIC | M | 2,500 | $64.43 | $161,075 | 5,921 Direct | +73.08% | Acquired | 59.0% (price as of 2026-10-02) |
| July 28, 2026 | SEIC | M | 2,500 | $64.43 | $161,075 | 3,421 Direct | +271.44% | Acquired | 59.0% (price as of 2026-10-02) |
| April 28, 2026 | SEIC | M | 4,000 | $48.47 | $193,880 | 4,921 Direct | +434.31% | Acquired | 111.3% (price as of 2026-10-02) |
| April 28, 2026 | SEIC | S | 4,000 | $91.16 | $364,640 | 921 Direct | -81.28% | Disposed | 12.4% (price as of 2026-10-02) |
| April 28, 2026 | SEIC | M | 2,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 28, 2026 | SEIC | M | 2,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 25, 2026 | SEIC | A | 2,000 | $71.12 | $142,240 | 2,921 Direct | +217.16% | Acquired | 44.0% (price as of 2026-10-02) |
| Feb. 25, 2026 | SEIC | A | 2,000 | $71.12 | $142,240 | 4,921 Direct | +68.47% | Acquired | 44.0% (price as of 2026-10-02) |
| Feb. 25, 2026 | SEIC | S | 4,000 | $81.74 | $326,960 | 921 Direct | -81.28% | Disposed | 25.3% (price as of 2026-10-02) |
| Feb. 25, 2026 | SEIC | M | 2,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 25, 2026 | SEIC | M | 2,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 5, 2025 | SEIC | F | 379 | $81.25 | $30,794 | 921 Direct | -29.15% | Disposed | 26.1% (price as of 2026-10-02) |
| July 29, 2025 | SEIC | M | 5,000 | $49.63 | $248,150 | 6,300 Direct | +384.62% | Acquired | 106.4% (price as of 2026-10-02) |
| July 29, 2025 | SEIC | S | 5,000 | $88.75 | $443,750 | 1,300 Direct | -79.37% | Disposed | 15.4% (price as of 2026-10-02) |
| July 29, 2025 | SEIC | M | 2,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 29, 2025 | SEIC | M | 2,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 3, 2025 | SEIC | M | 2,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 3, 2025 | SEIC | M | 2,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 3, 2025 | SEIC | S | 5,000 | $80.39 | $401,950 | 1,300 Direct | -79.37% | Disposed | 27.4% (price as of 2026-10-02) |
| March 3, 2025 | SEIC | M | 2,500 | $53.34 | $133,350 | 6,300 Direct | +65.79% | Acquired | 92.0% (price as of 2026-10-02) |
| March 3, 2025 | SEIC | M | 2,500 | $53.34 | $133,350 | 3,800 Direct | +192.31% | Acquired | 92.0% (price as of 2026-10-02) |
| Feb. 23, 2024 | SEIC | M | 3,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 23, 2024 | SEIC | S | 3,000 | $67.31 | $201,930 | 1,300 Direct | -69.77% | Disposed | 52.2% (price as of 2026-10-02) |
| Feb. 23, 2024 | SEIC | M | 3,000 | $40.64 | $121,920 | 4,300 Direct | +230.77% | Acquired | 152.0% (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 |
|---|---|---|---|---|---|---|---|
| July 28, 2026 | SEIC | Option to Purchase Common Stock | Common Stock | $56.54 | Dec. 8, 2030 | 5,000 | Disposed |
| July 28, 2026 | SEIC | Option to Purchase Common Stock | Common Stock | $56.54 | Dec. 8, 2030 | 5,000 | Disposed |
| July 28, 2026 | SEIC | Option to Purchase Common Stock | Common Stock | $64.43 | Dec. 9, 2029 | 2,500 | Disposed |
| July 28, 2026 | SEIC | Option to Purchase Common Stock | Common Stock | $64.43 | Dec. 9, 2029 | 2,500 | Disposed |
| April 28, 2026 | SEIC | STOCK OPTION RIGHT TO PURCHASE | Common Stock | $48.47 | Dec. 11, 2028 | 2,000 | Disposed |
| April 28, 2026 | SEIC | STOCK OPTION RIGHT TO PURCHASE | Common Stock | $48.47 | Dec. 11, 2028 | 2,000 | Disposed |
| Feb. 25, 2026 | SEIC | STOCK OPTION RIGHT TO PURCHASE | Common Stock | $71.12 | Dec. 12, 2027 | 2,000 | Disposed |
| Feb. 25, 2026 | SEIC | STOCK OPTION RIGHT TO PURCHASE | Common Stock | $71.12 | Dec. 12, 2027 | 2,000 | Disposed |
| July 29, 2025 | SEIC | STOCK OPTION RIGHT TO PURCHASE | Common Stock | $49.63 | Dec. 13, 2026 | 2,500 | Disposed |
| July 29, 2025 | SEIC | STOCK OPTION RIGHT TO PURCHASE | Common Stock | $49.63 | Dec. 13, 2026 | 2,500 | Disposed |
| March 3, 2025 | SEIC | STOCK OPTION RIGHT TO PURCHASE | Common Stock | $53.34 | Dec. 8, 2025 | 2,500 | Disposed |
| March 3, 2025 | SEIC | STOCK OPTION RIGHT TO PURCHASE | Common Stock | $53.34 | Dec. 8, 2025 | 2,500 | Disposed |
| Feb. 23, 2024 | SEIC | STOCK OPTION RIGHT TO PURCHASE | Common Stock | $40.64 | Dec. 9, 2024 | 3,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 16 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 6, 2023 | SEIC | Common Stock | 1,300 | Direct |
| April 6, 2023 | SEIC | STOCK OPTION RIGHT TO PURCHASE | 3,000 | Direct |
| April 6, 2023 | SEIC | STOCK OPTION RIGHT TO PURCHASE | 2,500 | Direct |
| April 6, 2023 | SEIC | STOCK OPTION RIGHT TO PURCHASE | 2,500 | Direct |
| April 6, 2023 | SEIC | STOCK OPTION RIGHT TO PURCHASE | 2,500 | Direct |
| April 6, 2023 | SEIC | STOCK OPTION RIGHT TO PURCHASE | 2,500 | Direct |
| April 6, 2023 | SEIC | STOCK OPTION RIGHT TO PURCHASE | 2,000 | Direct |
| April 6, 2023 | SEIC | STOCK OPTION RIGHT TO PURCHASE | 2,000 | Direct |
| April 6, 2023 | SEIC | STOCK OPTION RIGHT TO PURCHASE | 2,000 | Direct |
| April 6, 2023 | SEIC | STOCK OPTION RIGHT TO PURCHASE | 2,000 | Direct |
| April 6, 2023 | SEIC | STOCK OPTION RIGHT TO PURCHASE | 2,500 | Direct |
| April 6, 2023 | SEIC | STOCK OPTION RIGHT TO PURCHASE | 2,500 | Direct |
| April 6, 2023 | SEIC | STOCK OPTION RIGHT TO PURCHASE | 5,000 | Direct |
| April 6, 2023 | SEIC | STOCK OPTION RIGHT TO PURCHASE | 5,000 | Direct |
| April 6, 2023 | SEIC | STOCK OPTION RIGHT TO PURCHASE | 9,500 | Direct |
| April 6, 2023 | SEIC | STOCK OPTION RIGHT TO PURCHASE | 13,500 | Direct |