Marc N Casper Insider Trading Activity

Corporate InsiderCEO · CIK 1216055

74

Total trades

$34.3M

Total volume

Mar 5, 2026

Last activity

TMO

THERMO FISHER SCIENTIFIC INC.

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.

PERIODAVG BUY RETURNAVG SELL AVOIDEDSUCCESS RATETRADES
30 days—-1.3%49%74
90 days—-7.7%41%74
120 days—-11.5%36%44

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

Pro: Trade Markers

TMO · THERMO FISHER SCIENTIFIC INC.

🔒 Subscribe to see trade entries

Pro members see exactly when Marc N Casper bought and sold TMO.

Upgrade to Pro

Recent Trades

Showing the 50 most recent of 74 disclosed trades.

DATETICKERTYPESHARESPRICEVALUEROLE
Mar 5, 2026TMOSell20$503.66$10KCEO
Mar 5, 2026TMOSell60$505.76$30KCEO
Mar 5, 2026TMOSell58$507.54$29KCEO
Mar 5, 2026TMOSell99$509.66$50KCEO
Mar 5, 2026TMOSell214$511.78$110KCEO
Mar 5, 2026TMOSell411$512.73$211KCEO
Mar 5, 2026TMOSell1,133$513.71$582KCEO
Mar 5, 2026TMOSell570$514.71$293KCEO
Mar 5, 2026TMOSell348$515.64$179KCEO
Mar 5, 2026TMOSell201$516.73$104KCEO
Mar 5, 2026TMOSell106$517.83$55KCEO
Mar 5, 2026TMOSell516$519.13$268KCEO
Mar 5, 2026TMOSell264$519.74$137KCEO
Mar 4, 2026TMOSell118$516.75$61KCEO
Mar 4, 2026TMOSell447$509.89$228KCEO
Mar 4, 2026TMOSell678$510.71$346KCEO
Mar 4, 2026TMOSell1,370$511.80$701KCEO
Mar 4, 2026TMOSell1,241$512.92$637KCEO
Mar 4, 2026TMOSell815$513.63$419KCEO
Mar 4, 2026TMOSell212$514.86$109KCEO
Mar 4, 2026TMOSell119$515.77$61KCEO
Mar 3, 2026TMOSell759$508.95$386KCEO
Mar 3, 2026TMOSell360$495.29$178KCEO
Mar 3, 2026TMOSell480$496.84$238KCEO
Mar 3, 2026TMOSell680$498.14$339KCEO
Mar 3, 2026TMOSell240$499.75$120KCEO
Mar 3, 2026TMOSell382$500.55$191KCEO
Mar 3, 2026TMOSell120$502.59$60KCEO
Mar 3, 2026TMOSell448$506.74$227KCEO
Mar 3, 2026TMOSell931$507.90$473KCEO
Oct 27, 2025TMOSell1,193$563.72$673KCEO
Oct 27, 2025TMOSell109$561.68$61KCEO
Oct 27, 2025TMOSell241$562.63$136KCEO
Oct 27, 2025TMOSell2,513$564.44$1.4MCEO
Oct 27, 2025TMOSell937$565.47$530KCEO
Oct 27, 2025TMOSell181$566.47$103KCEO
Oct 27, 2025TMOSell141$567.57$80KCEO
Oct 27, 2025TMOSell189$568.98$108KCEO
Oct 27, 2025TMOSell670$569.93$382KCEO
Oct 27, 2025TMOSell728$570.91$416KCEO
Oct 27, 2025TMOSell348$571.99$199KCEO
Oct 24, 2025TMOSell2,469$572.28$1.4MCEO
Oct 24, 2025TMOSell1,249$571.30$714KCEO
Oct 24, 2025TMOSell1,293$575.02$744KCEO
Oct 24, 2025TMOSell7,331$574.20$4.2MCEO
Oct 24, 2025TMOSell4,762$573.37$2.7MCEO
Sep 5, 2025TMOSell100$501.00$50KCEO
Sep 5, 2025TMOSell200$500.00$100KCEO
Aug 22, 2025TMOSell598$502.26$300KCEO
Aug 22, 2025TMOSell3,579$501.65$1.8MCEO

Top Companies Traded

TICKERCOMPANYTRADESTOTAL VOLUME
TMOTHERMO FISHER SCIENTIFIC INC.74$34.3M

Other insiders at THERMO FISHER SCIENTIFIC INC.

4 other tracked filers at TMO.

Pettiti Gianluca

COO

6

Trades

Lagarde Michel

COO

5

Trades

Shafer Michael D

President

3

Trades

Britt Lisa P.

VP

3

Trades