Bieler Ilene Fiszel
CIK 2021091 · View on SEC EDGAR ↗
Insider
First SEC filing: May 24, 2024 · Latest: June 3, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 6 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 |
|---|---|---|---|---|---|---|---|---|---|
| June 3, 2026 | MKTX | F | 332 | $123.18 | $40,896 | 8,656 Direct | -3.69% | Disposed | 31.6% (price as of 2026-08-21) |
| Feb. 15, 2026 | MKTX | F | 439 | $179.36 | $78,739 | 8,988 Direct | -4.66% | Disposed | -9.6% (price as of 2026-08-21) |
| Feb. 15, 2026 | MKTX | A | 5,005 | — | — | 9,427 Direct | +113.18% | Acquired | (price as of 2026-08-21) |
| June 3, 2025 | MKTX | F | 242 | $219.02 | $53,003 | 4,422 Direct | -5.19% | Disposed | -26.0% (price as of 2026-08-21) |
| Feb. 15, 2025 | MKTX | A | 2,867 | — | — | 4,664 Direct | +159.54% | Acquired | (price as of 2026-08-21) |
| June 3, 2024 | MKTX | A | 1,797 | — | — | 1,797 Direct | — | Acquired | (price as of 2026-08-21) |
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.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 24, 2024 | MKTX | Common Stock, par value $0.003 per share | 0 | Direct |