John Kober Insider Trading Activity
32
Total trades
$7.9M
Total volume
May 18, 2026
Last activity
MACOM Technology Solutions Holdings, Inc.
John Kober has been net-selling over the last 12 months with 0 purchases and 31 sales across 1 company.
MTSI is the most-traded position with 31 trades. The largest single transaction was a sale of MTSI for $843K on Nov 7, 2025.
Performance Scorecard
Forward stock performance after each transaction by John Kober. 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 | — | -3.1% | 31% | 32 |
| 90 days | — | -40.6% | 0% | 21 |
| 120 days | — | -43.3% | 0% | 21 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersMTSI · MACOM Technology Solutions Holdings, Inc.
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
May 18, 2026 | MTSI | Sell | 500 | $352.79 | $176K | −1.0% | CFO | |
May 18, 2026 | MTSI | Sell | 800 | $353.81 | $283K | −1.7% | CFO | |
May 18, 2026 | MTSI | Sell | 700 | $354.83 | $248K | −1.5% | CFO | |
May 18, 2026 | MTSI | Sell | 1,144 | $356.47 | $408K | −2.5% | CFO | |
May 18, 2026 | MTSI | Sell | 741 | $359.01 | $266K | −1.7% | CFO | |
May 18, 2026 | MTSI | Sell | 759 | $360.33 | $273K | −1.7% | CFO | |
May 18, 2026 | MTSI | Sell | 300 | $361.61 | $108K | −0.7% | CFO | |
May 18, 2026 | MTSI | Sell | 363 | $362.96 | $132K | −0.8% | CFO | |
May 18, 2026 | MTSI | Sell | 537 | $364.55 | $196K | −1.3% | CFO | |
May 18, 2026 | MTSI | Sell | 400 | $365.68 | $146K | −1.0% | CFO | |
May 18, 2026 | MTSI | Sell | 200 | $377.70 | $76K | −0.5% | CFO | |
Feb 17, 2026 | MTSI | Sell | 200 | $236.42 | $47K | −0.4% | CFO | |
Feb 17, 2026 | MTSI | Sell | 300 | $237.68 | $71K | −0.5% | CFO | |
Feb 17, 2026 | MTSI | Sell | 500 | $238.71 | $119K | −0.9% | CFO | |
Feb 17, 2026 | MTSI | Sell | 2,223 | $241.09 | $536K | −4.1% | CFO | |
Feb 17, 2026 | MTSI | Sell | 133 | $243.38 | $32K | −0.3% | CFO | |
Feb 17, 2026 | MTSI | Sell | 767 | $244.73 | $188K | −1.5% | CFO | |
Feb 17, 2026 | MTSI | Sell | 1,753 | $245.55 | $430K | −3.4% | CFO | |
Feb 17, 2026 | MTSI | Sell | 600 | $246.63 | $148K | −1.2% | CFO | |
Feb 17, 2026 | MTSI | Sell | 520 | $247.70 | $129K | −1.1% | CFO | |
Nov 10, 2025 Filed 3d late | MTSI | Sell | 972 | $175.63 | $171K | −1.7% | CFO | |
Nov 7, 2025 | MTSI | Sell | 600 | $163.65 | $98K | −0.8% | CFO | |
Nov 7, 2025 | MTSI | Sell | 2,496 | $164.58 | $411K | −3.3% | CFO | |
Nov 7, 2025 | MTSI | Sell | 2,758 | $165.68 | $457K | −3.8% | CFO | |
Nov 7, 2025 | MTSI | Sell | 1,845 | $166.93 | $308K | −2.6% | CFO | |
Nov 7, 2025 | MTSI | Sell | 2,826 | $167.93 | $475K | −4.1% | CFO | |
Nov 7, 2025 | MTSI | Sell | 3,020 | $168.81 | $510K | −4.6% | CFO | |
Nov 7, 2025 | MTSI | Sell | 4,961 | $169.91 | $843K | −8.0% | CFO | |
Oct 28, 2025 | MTSI | Sell | 797 | $145.10 | $116K | −1.8% | CFO | |
Oct 28, 2025 | MTSI | Sell | 700 | $146.01 | $102K | −1.6% | CFO | |
Aug 8, 2025 | MTSI | Sell | 1,000 | $123.40 | $123K | −2.1% | CFO | |
May 29, 2025 | MTSI | Sell | 2,250 | $125.65 | $283K | −4.6% | CFO |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| MTSI | MACOM Technology Solutions Holdings, Inc. | 32 | $7.9M |
Other insiders at MACOM Technology Solutions Holdings, Inc.
6 other tracked filers at MTSI.