| Insider | Symbol | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Large Shareholder, Officer, Director | VICR | $315.06 | 1,200 | $378,075.00 | 8,805,290 | 2026-06-01 | Filing |
| Large Shareholder, Officer, Director | VICR | $313.99 | 800 | $251,188.00 | 8,806,490 | 2026-06-01 | Filing |
| Large Shareholder, Officer, Director | VICR | $313.05 | 800 | $250,439.04 | 8,807,290 | 2026-06-01 | Filing |
| Officer | MKSI | $314.43 | 6,000 | $1,886,583.00 | 10,422 | 2026-06-01 | Filing |
| Director | MKSI | $318.02 | 300 | $95,406.00 | 19,145 | 2026-06-01 | Filing |
| Director | HOMB | $26.38 | 2,000 | $52,750.00 | 649,995 | 2026-06-01 | Filing |
| Officer | N/A | $10.56 | 71 | $752.58 | 798 | 2026-06-01 | Filing |
| Officer | N/A | $10.63 | 616 | $6,543.62 | 850 | 2026-03-02 | Filing |
| Large Shareholder, Officer, Director | IRMD | $91.91 | 924 | $84,924.84 | 2,162,500 | 2026-06-01 | Filing |
| Large Shareholder, Officer, Director | IRMD | $91.08 | 401 | $36,523.08 | 2,163,424 | 2026-06-01 | Filing |
| Large Shareholder, Officer, Director | IRMD | $89.79 | 775 | $69,587.25 | 2,163,825 | 2026-06-01 | Filing |
| Large Shareholder, Officer, Director | IRMD | $88.68 | 400 | $35,472.00 | 2,164,600 | 2026-06-01 | Filing |
| Officer | POWI | $83.67 | 6,860 | $573,960.42 | 64,379 | 2026-05-29 | Filing |
| Director | SBGI | $14.60 | 31,500 | $459,900.00 | 39,665 | 2026-05-04 | Filing |
| Officer | SMP | $38.28 | 1,950 | $74,646.00 | 41,149 | 2026-06-01 | Filing |
| Officer, Director | CIEN | $565.92 | 2,952 | $1,670,596.73 | 269,557 | 2026-06-01 | Filing |
| Large Shareholder | HTO | $57.52 | 1,435 | $82,543.64 | 4,581,034 | 2026-05-29 | Filing |
| Officer, Director | VICR | $329.52 | 200 | $65,903.00 | 0 | 2026-06-01 | Filing |
| Officer, Director | VICR | $328.52 | 599 | $196,782.70 | 200 | 2026-06-01 | Filing |
| Officer, Director | VICR | $326.94 | 101 | $33,020.84 | 799 | 2026-06-01 | Filing |