Marc N Casper Insider Trading Activity
Marc N Casper has been net-selling over the last 12 months with 0 purchases and 74 sales across 1 company.
TMO is the most-traded position with 74 trades. The largest single transaction was a sale of TMO for $4.2M on Oct 24, 2025.
Performance Scorecard
Forward stock performance after each transaction by Marc N Casper. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -1.3% | 49% | 74 |
| 90 days | — | -7.7% | 41% | 74 |
| 120 days | — | -7.5% | 26% | 74 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersTMO · THERMO FISHER SCIENTIFIC INC.
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Showing the 50 most recent of 74 disclosed trades.
| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Mar 5, 2026 | TMO | Sell | 20 | $503.66 | $10K | −0.0% | CEO | |
Mar 5, 2026 | TMO | Sell | 60 | $505.76 | $30K | −0.0% | CEO | |
Mar 5, 2026 | TMO | Sell | 58 | $507.54 | $29K | −0.0% | CEO | |
Mar 5, 2026 | TMO | Sell | 99 | $509.66 | $50K | −0.1% | CEO | |
Mar 5, 2026 | TMO | Sell | 214 | $511.78 | $110K | −0.2% | CEO | |
Mar 5, 2026 | TMO | Sell | 411 | $512.73 | $211K | −0.3% | CEO | |
Mar 5, 2026 | TMO | Sell | 1,133 | $513.71 | $582K | −0.9% | CEO | |
Mar 5, 2026 | TMO | Sell | 570 | $514.71 | $293K | −0.5% | CEO | |
Mar 5, 2026 | TMO | Sell | 348 | $515.64 | $179K | −0.3% | CEO | |
Mar 5, 2026 | TMO | Sell | 201 | $516.73 | $104K | −0.2% | CEO | |
Mar 5, 2026 | TMO | Sell | 106 | $517.83 | $55K | −0.1% | CEO | |
Mar 5, 2026 | TMO | Sell | 516 | $519.13 | $268K | −0.4% | CEO | |
Mar 5, 2026 | TMO | Sell | 264 | $519.74 | $137K | −0.2% | CEO | |
Mar 4, 2026 | TMO | Sell | 118 | $516.75 | $61K | −0.1% | CEO | |
Mar 4, 2026 | TMO | Sell | 447 | $509.89 | $228K | −0.3% | CEO | |
Mar 4, 2026 | TMO | Sell | 678 | $510.71 | $346K | −0.5% | CEO | |
Mar 4, 2026 | TMO | Sell | 1,370 | $511.80 | $701K | −1.1% | CEO | |
Mar 4, 2026 | TMO | Sell | 1,241 | $512.92 | $637K | −1.0% | CEO | |
Mar 4, 2026 | TMO | Sell | 815 | $513.63 | $419K | −0.7% | CEO | |
Mar 4, 2026 | TMO | Sell | 212 | $514.86 | $109K | −0.2% | CEO | |
Mar 4, 2026 | TMO | Sell | 119 | $515.77 | $61K | −0.1% | CEO | |
Mar 3, 2026 | TMO | Sell | 759 | $508.95 | $386K | −0.6% | CEO | |
Mar 3, 2026 | TMO | Sell | 360 | $495.29 | $178K | −0.3% | CEO | |
Mar 3, 2026 | TMO | Sell | 480 | $496.84 | $238K | −0.4% | CEO | |
Mar 3, 2026 | TMO | Sell | 680 | $498.14 | $339K | −0.5% | CEO | |
Mar 3, 2026 | TMO | Sell | 240 | $499.75 | $120K | −0.2% | CEO | |
Mar 3, 2026 | TMO | Sell | 382 | $500.55 | $191K | −0.3% | CEO | |
Mar 3, 2026 | TMO | Sell | 120 | $502.59 | $60K | −0.1% | CEO | |
Mar 3, 2026 | TMO | Sell | 448 | $506.74 | $227K | −0.4% | CEO | |
Mar 3, 2026 | TMO | Sell | 931 | $507.90 | $473K | −0.7% | CEO | |
Oct 27, 2025 | TMO | Sell | 1,193 | $563.72 | $673K | −1.0% | CEO | |
Oct 27, 2025 | TMO | Sell | 109 | $561.68 | $61K | −0.1% | CEO | |
Oct 27, 2025 | TMO | Sell | 241 | $562.63 | $136K | −0.2% | CEO | |
Oct 27, 2025 | TMO | Sell | 2,513 | $564.44 | $1.4M | −2.1% | CEO | |
Oct 27, 2025 | TMO | Sell | 937 | $565.47 | $530K | −0.8% | CEO | |
Oct 27, 2025 | TMO | Sell | 181 | $566.47 | $103K | −0.2% | CEO | |
Oct 27, 2025 | TMO | Sell | 141 | $567.57 | $80K | −0.1% | CEO | |
Oct 27, 2025 | TMO | Sell | 189 | $568.98 | $108K | −0.2% | CEO | |
Oct 27, 2025 | TMO | Sell | 670 | $569.93 | $382K | −0.6% | CEO | |
Oct 27, 2025 | TMO | Sell | 728 | $570.91 | $416K | −0.6% | CEO | |
Oct 27, 2025 | TMO | Sell | 348 | $571.99 | $199K | −0.3% | CEO | |
Oct 24, 2025 | TMO | Sell | 2,469 | $572.28 | $1.4M | −1.9% | CEO | |
Oct 24, 2025 | TMO | Sell | 1,249 | $571.30 | $714K | −1.0% | CEO | |
Oct 24, 2025 | TMO | Sell | 1,293 | $575.02 | $744K | −1.1% | CEO | |
Oct 24, 2025 | TMO | Sell | 7,331 | $574.20 | $4.2M | −6.0% | CEO | |
Oct 24, 2025 | TMO | Sell | 4,762 | $573.37 | $2.7M | −3.7% | CEO | |
Sep 5, 2025 | TMO | Sell | 100 | $501.00 | $50K | −0.1% | CEO | |
Sep 5, 2025 | TMO | Sell | 200 | $500.00 | $100K | −0.2% | CEO | |
Aug 22, 2025 | TMO | Sell | 598 | $502.26 | $300K | −0.5% | CEO | |
Aug 22, 2025 | TMO | Sell | 3,579 | $501.65 | $1.8M | −3.0% | CEO |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| TMO | THERMO FISHER SCIENTIFIC INC. | 74 | $34.3M |
Other insiders at THERMO FISHER SCIENTIFIC INC.
4 other tracked filers at TMO.