Mark T Mondello Insider Trading Activity
Corporate InsiderExecutive Chairman · CIK 1196746
Mark T Mondello has been net-selling over the last 12 months with 0 purchases and 45 sales across 1 company.
JBL is the most-traded position with 45 trades. The largest single transaction was a sale of JBL for $11.3M on Dec 19, 2025.
Performance Scorecard
Forward stock performance after each transaction by Mark T Mondello. 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 | — | -3.5% | 31% | 54 |
| 90 days | — | -12.4% | 9% | 54 |
| 120 days | — | -20.6% | 13% | 54 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersJBL · JABIL INC
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Showing the 50 most recent of 54 disclosed trades.
| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Jan 16, 2026 | JBL | Sell | 3,444 | $250.56 | $863K | −0.3% | Executive Chairman | |
Jan 16, 2026 | JBL | Sell | 13,756 | $249.86 | $3.4M | −1.2% | Executive Chairman | |
Jan 15, 2026 | JBL | Sell | 2,800 | $255.17 | $714K | −0.2% | Executive Chairman | |
Jan 14, 2026 | JBL | Sell | 4,223 | $240.00 | $1.0M | −0.4% | Executive Chairman | |
Jan 13, 2026 | JBL | Sell | 15,777 | $240.06 | $3.8M | −1.4% | Executive Chairman | |
Jan 2, 2026 | JBL | Sell | 3,271 | $235.53 | $770K | −0.3% | Executive Chairman | |
Jan 2, 2026 | JBL | Sell | 4,164 | $237.30 | $988K | −0.4% | Executive Chairman | |
Jan 2, 2026 | JBL | Sell | 10,164 | $236.26 | $2.4M | −0.9% | Executive Chairman | |
Jan 2, 2026 | JBL | Sell | 229 | $231.21 | $53K | −0.0% | Executive Chairman | |
Jan 2, 2026 | JBL | Sell | 485 | $232.06 | $113K | −0.0% | Executive Chairman | |
Jan 2, 2026 | JBL | Sell | 510 | $234.15 | $119K | −0.0% | Executive Chairman | |
Jan 2, 2026 | JBL | Sell | 1,177 | $238.04 | $280K | −0.1% | Executive Chairman | |
Dec 19, 2025 | JBL | Sell | 50,000 | $225.32 | $11.3M | −4.1% | Executive Chairman | |
Dec 1, 2025 | JBL | Sell | 345 | $208.99 | $72K | −0.0% | Executive Chairman | |
Dec 1, 2025 | JBL | Sell | 455 | $210.21 | $96K | −0.0% | Executive Chairman | |
Dec 1, 2025 | JBL | Sell | 1,143 | $208.29 | $238K | −0.1% | Executive Chairman | |
Dec 1, 2025 | JBL | Sell | 2,288 | $211.37 | $484K | −0.2% | Executive Chairman | |
Dec 1, 2025 | JBL | Sell | 6,509 | $213.27 | $1.4M | −0.5% | Executive Chairman | |
Dec 1, 2025 | JBL | Sell | 9,260 | $212.36 | $2.0M | −0.8% | Executive Chairman | |
Nov 3, 2025 | JBL | Sell | 1,059 | $223.77 | $237K | −0.1% | Executive Chairman | |
Nov 3, 2025 | JBL | Sell | 2,409 | $220.81 | $532K | −0.2% | Executive Chairman | |
Nov 3, 2025 | JBL | Sell | 3,213 | $219.33 | $705K | −0.3% | Executive Chairman | |
Nov 3, 2025 | JBL | Sell | 3,763 | $221.92 | $835K | −0.3% | Executive Chairman | |
Nov 3, 2025 | JBL | Sell | 4,756 | $218.50 | $1.0M | −0.4% | Executive Chairman | |
Nov 3, 2025 | JBL | Sell | 4,800 | $222.64 | $1.1M | −0.4% | Executive Chairman | |
Oct 17, 2025 | JBL | Sell | 8,345 | $208.74 | $1.7M | −0.6% | Executive Chairman | |
Oct 17, 2025 | JBL | Sell | 5,406 | $209.19 | $1.1M | −0.4% | Executive Chairman | |
Oct 17, 2025 | JBL | Sell | 6,234 | $206.39 | $1.3M | −0.5% | Executive Chairman | |
Oct 17, 2025 | JBL | Sell | 20,015 | $207.42 | $4.2M | −1.6% | Executive Chairman | |
Oct 1, 2025 | JBL | Sell | 867 | $213.08 | $185K | −0.1% | Executive Chairman | |
Oct 1, 2025 | JBL | Sell | 1,641 | $211.87 | $348K | −0.1% | Executive Chairman | |
Oct 1, 2025 | JBL | Sell | 3,225 | $214.26 | $691K | −0.2% | Executive Chairman | |
Oct 1, 2025 | JBL | Sell | 3,916 | $215.94 | $846K | −0.3% | Executive Chairman | |
Oct 1, 2025 | JBL | Sell | 10,351 | $215.23 | $2.2M | −0.7% | Executive Chairman | |
Sep 2, 2025 | JBL | Sell | 367 | $201.11 | $74K | −0.0% | Executive Chairman | |
Sep 2, 2025 | JBL | Sell | 1,051 | $198.41 | $209K | −0.1% | Executive Chairman | |
Sep 2, 2025 | JBL | Sell | 6,040 | $199.46 | $1.2M | −0.4% | Executive Chairman | |
Sep 2, 2025 | JBL | Sell | 12,542 | $200.40 | $2.5M | −0.9% | Executive Chairman | |
Aug 1, 2025 | JBL | Sell | 836 | $217.23 | $182K | −0.1% | Executive Chairman | |
Aug 1, 2025 | JBL | Sell | 957 | $216.11 | $207K | −0.1% | Executive Chairman | |
Aug 1, 2025 | JBL | Sell | 1,317 | $215.01 | $283K | −0.1% | Executive Chairman | |
Aug 1, 2025 | JBL | Sell | 1,898 | $218.55 | $415K | −0.1% | Executive Chairman | |
Aug 1, 2025 | JBL | Sell | 2,837 | $221.33 | $628K | −0.2% | Executive Chairman | |
Aug 1, 2025 | JBL | Sell | 3,958 | $220.15 | $871K | −0.3% | Executive Chairman | |
Aug 1, 2025 | JBL | Sell | 8,197 | $219.38 | $1.8M | −0.6% | Executive Chairman | |
Jul 1, 2025 | JBL | Sell | 1,643 | $218.49 | $359K | −0.1% | Executive Chairman | |
Jul 1, 2025 | JBL | Sell | 3,184 | $214.79 | $684K | −0.2% | Executive Chairman | |
Jul 1, 2025 | JBL | Sell | 3,511 | $215.67 | $757K | −0.2% | Executive Chairman | |
Jul 1, 2025 | JBL | Sell | 4,252 | $217.64 | $925K | −0.3% | Executive Chairman | |
Jul 1, 2025 | JBL | Sell | 7,410 | $216.77 | $1.6M | −0.5% | Executive Chairman |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| JBL | JABIL INC | 54 | $73.1M |
Other insiders at JABIL INC
10 other tracked filers at JBL.