SEICSEI INVESTMENTS CO
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-10-01.
Insider buys (90d)
$0.00
Insider sells (90d)
$23.92M
Net flow
$-23.92M
Filings
12
Buy transactions
0
Sell transactions
15
Distinct insiders
11
Last close (cached)
$104.40
as of 2026-10-16
1d return
-0.8%
5d return
-0.3%
1m return
-0.4%
Top insiders trading SEIC (90d)
Recent transactions (34)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-10-01 | 2026-09-30 | WEST ALFRED P JR | Sale | 5,483 | $103.16 | $565.6K | open → |
| 2026-10-01 | 2026-09-29 | WEST ALFRED P JR | Sale | 28,394 | $103.40 | $2.94M | open → |
| 2026-09-24 | 2026-09-22 | LANE MICHAEL | Sale | 2,400 | $102.78 | $246.7K | open → |
| 2026-09-08 | 2026-09-03 | Hicke Ryan | Sale | 37,500 | $110.71 | $4.15M | open → |
| 2026-09-08 | 2026-09-03 | Hicke Ryan | Exer. | 20,000 | $64.43 | $1.29M | open → |
| 2026-09-08 | 2026-09-03 | Hicke Ryan | Exer. | 17,500 | $48.47 | $848.2K | open → |
| 2026-09-03 | 2026-09-01 | ROMEO CARMEN | Sale | 5,000 | $109.70 | $548.5K | open → |
| 2026-09-03 | 2026-09-01 | ROMEO CARMEN | Exer. | 5,000 | $49.63 | $248.2K | open → |
| 2026-09-01 | 2026-08-28 | Peterson Michael | Sale | 37,500 | $111.51 | $4.18M | open → |
| 2026-09-01 | 2026-08-28 | Peterson Michael | Exer. | 37,500 | $56.54 | $2.12M | open → |
| 2026-08-06 | 2026-08-05 | McCabe Philip | Sale | 5,043 | $105.50 | $532.0K | open → |
| 2026-08-06 | 2026-08-05 | McCabe Philip | Exer. | 5,043 | $49.63 | $250.3K | open → |
| 2026-08-06 | 2026-08-04 | McCabe Philip | Sale | 24,957 | $105.04 | $2.62M | open → |
| 2026-08-06 | 2026-08-04 | McCabe Philip | Exer. | 15,000 | $49.63 | $744.5K | open → |
| 2026-08-06 | 2026-08-04 | McCabe Philip | Exer. | 9,957 | $49.63 | $494.2K | open → |
| 2026-08-04 | 2026-08-03 | MCCARTHY KATHRYN | Sale | 10,000 | $103.53 | $1.04M | open → |
| 2026-08-04 | 2026-08-03 | MCCARTHY KATHRYN | Exer. | 5,000 | $71.12 | $355.6K | open → |
| 2026-08-04 | 2026-08-03 | MCCARTHY KATHRYN | Exer. | 5,000 | $71.12 | $355.6K | open → |
| 2026-07-30 | 2026-07-28 | Warner Mark Andrew | Sale | 7,400 | $102.97 | $762.0K | open → |
| 2026-07-30 | 2026-07-28 | Warner Mark Andrew | Sale | 5,300 | $102.01 | $540.7K | open → |
| 2026-07-30 | 2026-07-28 | Warner Mark Andrew | Sale | 2,300 | $101.11 | $232.5K | open → |
| 2026-07-30 | 2026-07-28 | Warner Mark Andrew | Exer. | 5,000 | $56.54 | $282.7K | open → |
| 2026-07-30 | 2026-07-28 | Warner Mark Andrew | Exer. | 5,000 | $56.54 | $282.7K | open → |
| 2026-07-30 | 2026-07-28 | Warner Mark Andrew | Exer. | 2,500 | $64.43 | $161.1K | open → |
| 2026-07-30 | 2026-07-28 | Warner Mark Andrew | Exer. | 2,500 | $64.43 | $161.1K | open → |
| 2026-07-30 | 2026-07-28 | Peterson Michael | Sale | 25,000 | $102.05 | $2.55M | open → |
| 2026-07-30 | 2026-07-28 | Peterson Michael | Exer. | 25,000 | $55.73 | $1.39M | open → |
| 2026-07-30 | 2026-07-28 | GUARINO CARL | Sale | 10,000 | $103.19 | $1.03M | open → |
| 2026-07-30 | 2026-07-28 | GUARINO CARL | Exer. | 5,000 | $49.63 | $248.2K | open → |
| 2026-07-30 | 2026-07-28 | GUARINO CARL | Exer. | 5,000 | $49.63 | $248.2K | open → |
| 2026-07-28 | 2026-07-24 | Sharma Sanjay | Sale | 20,000 | $99.33 | $1.99M | open → |
| 2026-07-28 | 2026-07-24 | Sharma Sanjay | Exer. | 10,000 | $71.12 | $711.2K | open → |
| 2026-07-28 | 2026-07-24 | Sharma Sanjay | Exer. | 10,000 | $71.12 | $711.2K | open → |
| 2026-07-28 | 2026-07-24 | Shah Sneha S. | Tax | 3,746 | $96.73 | $362.4K | open → |
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