| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Insider activity in TMDX over the last quarter tilts toward buying: insiders added a net 1,336 shares worth roughly $109K.
Counted by filing, the last 12 months brought 2 open-market purchases by 2 insiders worth about $1.1M and 9 sales by 6 insiders worth about $4.3M. The 12 months before that brought 1 open-market purchase by 1 insider worth about $2.0M and 11 sales by 4 insiders worth about $3.6M.
None of the 9 sales in the last 12 months was marked as made under a Rule 10b5-1 trading plan.
The largest open-market purchase in the last two years was 16,875 shares by Waleed H Hassanein (President & CEO) at an average $117.46 on August 7, 2025, about $2.0M. Twelve months later TMDX was down 28%.
The most recent purchase was by David Weill (Director) on September 11, 2026.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| Dir | 263.7K | $17.76M | - | |
| CEO | 171.1K | $11.52M | - | |
| Other | 41.6K | $2.80M | - | |
| CFO | 31.9K | $2.15M | - | |
| Other | 23.0K | $1.55M | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 11, 2026 | David Weill63 | Director | Buy | 1,336 | $81.63 | $109,057.68 | +8.9% | - | - | |
| Jun 15, 2026 | Thomas J. Gunderson | Director | Sale+OE | 9,624 | $75.06 | $722,377.44 | -36.6% | +13.8% | - | |
| Mar 4, 2026 | David Weill63 | Director | Sale+OE | 3,571 | $146.82 | $524,294.22 | -22.7% | -53.7% | - | |
| Mar 4, 2026 | Stephanie Lovell | Director | Sell | 1,193 | $149.62 | $178,496.66 | -29.4% | -53.7% | - | |
| Mar 4, 2026 | Gerardo Hernandez51 | Chief Financial Officer | Sale+OE | 7,611 | $146.81 | $1,117,381.56 | -34.1% | -53.7% | - | |
| Mar 2, 2026 | Anil P. Ranganath62 | See Remarks | Sell | 864 | $139.12 | $120,199.68 | -6.2% | -54.1% | - | |
| Mar 2, 2026 | Nicholas Corcoran66 | See Remarks | Sell | 2,966 | $139.12 | $412,629.92 | -9.0% | -54.1% | - | |
| Dec 4, 2025 | Gerardo Hernandez51 | Chief Financial Officer | Sell | 920 | $139.62 | $128,450.40 | -5.8% | +6.7% | - | |
| Dec 3, 2025 | David Weill63 | Director | Sale+OE | 5,000 | $138.64 | $693,200.00 | -29.2% | +5.6% | - | |
| Nov 25, 2025 | Anil P. Ranganath62 | See Remarks | Sale+OE | 3,000 | $145.22 | $435,660.00 | -17.7% | -7.8% | - |