| # | % | |||||
|---|---|---|---|---|---|---|
| 1 | TIRSCHWELL & LOEWY INC | 227,489 | 6,026,000 | 65.86% | ||
| 2 | Jump Trading, LLC | 320 | 1,862,000 | 20.35% | Call | |
| 3 | Jump Trading, LLC | 216 | 1,260,000 | 13.77% | Put | |
| 4 | American Research & Management Co. | 75 | 2,000 | 0.02% |
From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.
