TMDX insider buying and SEC filings, explained
TransMedics Group, Inc. · CIK 1756262
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$1.1M
Insiders who bought
2
Sold (not marked 10b5-1)
$892K
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Sep 11, 2026 | Purchase (code P) | David Weill (Director) bought 1,336 shares at $81.63 ($109K), reported as a purchase (code P). Holdings up 9% to 16,392 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 14, 2026 |
| Mar 4, 2026 | Sale | Stephanie Lovell (Director) sold 1,193 shares at $149.62 ($178K). Holdings down 29% to 2,866 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 6, 2026 |
| Mar 2, 2026 | Sale | Gerardo Hernandez (CFO) sold 375 shares at $139.12 ($52K). Holdings down 2% to 14,689 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 4, 2026 |
| Mar 2, 2026 | Sale | Anil P. Ranganath (Officer) sold 864 shares at $139.12 ($120K). Holdings down 6% to 13,091 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 4, 2026 |
| Mar 2, 2026 | Sale | Nicholas Corcoran (Officer) sold 2,966 shares at $139.12 ($413K). Holdings down 9% to 29,831 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 4, 2026 |
| Dec 4, 2025 | Sale | Gerardo Hernandez (CFO) sold 920 shares at $139.62 ($128K). Holdings down 6% to 15,064 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 5, 2025 |
| Nov 17, 2025 | Purchase (code P) | Waleed H Hassanein (CEO and Director) bought 8,775 shares indirectly (by trust) at $114.00 ($1.0M), reported as a purchase (code P). Holdings by trust up 2% to 495,009 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 18, 2025 |
25 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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