Nelson Chai is CFO and Mgmt Committee Member at NYSE Group, Inc. (NYX). They have made 5 open-market trades across 4 companies since 2006, most recently 2026-05-21.
CIK 0001299914
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
2 open-market purchases totalling $522K since 2008, against 3 sales. Too few scored purchases to measure a record yet.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| TMO | SELL | 2025-02-19 | 2025-02-21 | $528.09 | $8K | -1.4% | -2.2% | -24.7% |
| TMO | BUY | 2024-11-07 | 2025-02-21 | $551.90 | $11K | -1.4% | -2.2% | -24.7% |
| UBER | SELL | 2023-08-21 | 2023-08-22 | $45.05 | $4.5M | +6.9% | +1.4% | +24.4% |
| MER | BUY | 2008-07-29 | 2008-07-31 | $22.50 | $511K | N/A | N/A | N/A |
| NYX | SELL · 10b5-1 | 2007-04-17 | 2007-04-19 | $92.93 | $46K | N/A | N/A | N/A |
| NYX | SELL · 10b5-1 | 2007-04-17 | 2007-04-19 | $92.96 | $883K | N/A | N/A | N/A |
| NYX | SELL · 10b5-1 | 2007-04-03 | 2007-04-05 | $95.64 | $19K | N/A | N/A | N/A |
| NYX | SELL · 10b5-1 | 2007-04-03 | 2007-04-05 | $95.85 | $939K | N/A | N/A | N/A |
| NYX | SELL · 10b5-1 | 2007-03-20 | 2007-03-22 | $83.31 | $183K | N/A | N/A | N/A |
| NYX | SELL · 10b5-1 | 2007-03-20 | 2007-03-22 | $83.38 | $650K | N/A | N/A | N/A |
| NYX | SELL · 10b5-1 | 2007-03-06 | 2007-03-08 | $81.57 | $530K | N/A | N/A | N/A |
| NYX | SELL · 10b5-1 | 2007-03-06 | 2007-03-09 | $81.48 | $269K | N/A | N/A | N/A |
| NYX | SELL · 10b5-1 | 2007-02-20 | 2007-02-22 | $88.87 | $302K | N/A | N/A | N/A |
| NYX | SELL · 10b5-1 | 2007-02-20 | 2007-02-22 | $88.78 | $586K | N/A | N/A | N/A |
| NYX | SELL · 10b5-1 | 2007-02-06 | 2007-02-08 | $98.31 | $517K | N/A | N/A | N/A |
| NYX | SELL · 10b5-1 | 2007-02-06 | 2007-02-08 | $98.79 | $448K | N/A | N/A | N/A |
| NYX | SELL · 10b5-1 | 2007-01-23 | 2007-01-25 | $97.19 | $719K | N/A | N/A | N/A |
| NYX | SELL · 10b5-1 | 2007-01-09 | 2007-01-11 | $105.57 | $317K | N/A | N/A | N/A |
| NYX | SELL · 10b5-1 | 2007-01-09 | 2007-01-25 | $97.38 | $253K | N/A | N/A | N/A |
| NYX | SELL · 10b5-1 | 2007-01-09 | 2007-01-11 | $104.66 | $272K | N/A | N/A | N/A |
| NYX | SELL · 10b5-1 | 2007-01-09 | 2007-01-11 | $105.07 | $452K | N/A | N/A | N/A |
| NYX | SELL | 2006-05-10 | 2006-05-12 | $61.50 | $2.8M | N/A | N/A | N/A |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.