William Peterffy
CIK 1812281 · View on SEC EDGAR ↗
Insider
First SEC filing: Jan. 26, 2026 · Latest: Jan. 26, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 4 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 1, 2026 | IBKR | A | 389 | $64.31 | $25,017 | 10,126 Direct | +4.00% | Acquired | 39.1% (price as of 2026-08-19) |
| Dec. 31, 2025 | IBKR | A | 389 | $64.31 | $25,017 | 9,737 Direct | +4.16% | Acquired | 39.1% (price as of 2026-08-19) |
| Dec. 31, 2024 | IBKR | A | 142 | $176.67 | $25,087 | 2,337 Direct | +6.47% | Acquired | 102.6% (price as of 2026-08-19) |
| Dec. 31, 2023 | IBKR | A | 302 | $82.90 | $25,036 | 2,195 Direct | +15.95% | Acquired | 331.7% (price as of 2026-08-19) |
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.