| 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 |
|---|---|---|---|---|---|---|---|---|---|
EVP & Chief Commercial Officer
1 company
Mark David Novara is EVP & Chief Commercial Officer at TNDM. Mark David Novara's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $712K at current prices.
Historically, Mark David Novara's trades have earned a below-average insider score of 38/100 across 3 rated trades. Over a 12-month horizon, the one trade was not profitable, with an average 12-month return of -31.9%.
Net of sales, the TNDM filings show accumulation of 343 shares.
Mark David Novara has 16 Form 4 filings on record from December 2023 to May 2026, all as EVP & Chief Commercial Officer at Tandem Diabetes Care (TNDM), 2023–2026.
The 33 reported transactions were 12 option exercises, 12 tax withholdings, 5 option or other derivative awards and 2 open-market sales, plus smaller numbers of other types.
Counted by filing, the open-market trades come to 1 purchase worth about $12K and 2 sales worth about $4K.
The only open-market purchase was 532 shares of TNDM at an average $23.24 on November 15, 2024, about $12K. Twelve months later TNDM was down 32%.
The largest open-market sale was 187 shares of TNDM at an average $23.05 on March 17, 2026, about $4K.
1 of the 2 sales since April 2023 was made under a Rule 10b5-1 trading plan; the other was not.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 17, 2026 | TNDM Tandem Diabetes Care, Inc. | EVP & Chief Commercial Officer | Sale+OE | 187 | $23.05 | $4,310.35 | -0.5% | -29.9% | - | |
| Mar 5, 2026 | TNDM Tandem Diabetes Care, Inc. | EVP & Chief Commercial Officer | Sell10b5-1 | 2 | $22.81 | $45.62 | - | -20.3% | - | |
| Nov 15, 2024 | TNDM Tandem Diabetes Care Inc | EVP & Chief Commercial Officer | Buy | 532 | $23.24 | $12,363.68 | New | +19.3% | -31.9% |