Nelson Chai bought $11k of TMO
director at THERMO FISHER SCIENTIFIC INC.. 20 shares at an average of $551.90, traded Nov 7, 2024, filed Feb 21, 2025.
Score components
- +15RoleDirector
- 0Trade size$11k at market
- -5Relative to holdingsUnder 1% of holdings (0.1%)
- 0Price contextNo price history yet
- 0ClusterNo other insider buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001127602-25-006235, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Nov 7, 2024 | POpen-market purchase Common Stock | +16 | $555.89 | $8,894 | 14,264 | Feb 21, 2025 |
| Dec 9, 2024 | POpen-market purchase Common Stock | +4 | $535.93 | $2,144 | 14,268 | Feb 21, 2025 |
| Feb 19, 2025 | SOpen-market sale Common Stock | -16 | $528.09 | $8,449 | 14,252 | Feb 21, 2025 |
Related signals
Other insiders at THERMO FISHER SCIENTIFIC INC. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 15Weak | THERMO FISHER SCIENTIFIC INC. | Gianluca Pettiti President & COO | $2.5M 4,133 shares | -18% | |
| 58Moderate | THERMO FISHER SCIENTIFIC INC. | Michael A Boxer SVP and General Counsel | $2.0M 3,775 shares | -26% | |
| 35Weak | THERMO FISHER SCIENTIFIC INC. | Marc N Casper Chairman & CEO | $9.3M 18,000 shares | -14% | |
| 23Weak | THERMO FISHER SCIENTIFIC INC. | Nelson Chai director | $8,449 16 shares | -0% | |
| 35Weak | THERMO FISHER SCIENTIFIC INC. | Marc N Casper Chairman & CEO | $11M 20,000 shares | -17% | |
| 55Moderate | THERMO FISHER SCIENTIFIC INC. | Marc N Casper Chairman & CEO | $5.0M 9,000 shares | -38% | |
| 55Moderate | THERMO FISHER SCIENTIFIC INC. | Marc N Casper Chairman & CEO | $11M 20,000 shares | -46% | |
| 30Weak | THERMO FISHER SCIENTIFIC INC. | Marc N Casper Chairman & CEO | $3.3M 5,850 shares | -5% | |
| 35Weak | THERMO FISHER SCIENTIFIC INC. | Marc N Casper Chairman & CEO | $11M 20,000 shares | -15% | |
| 35Weak | THERMO FISHER SCIENTIFIC INC. | Marc N Casper Chairman & CEO | $11M 20,000 shares | -15% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.