Mark Sullivan Net Worth
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Mark Sullivan has an estimated net worth of at least $15.4 million*, as of July 8, 2026. They own 320,571 shares of DFTX stock. They have sold 350,183 shares of DFTX stock since 2021, for an estimated $783,416.
Mark Sullivan $DFTX SEC Form 4 Insider Trading
Mark Sullivan has filed a total of 2 insider trades in $DFTX since 2021. Their most recent trade was a sale of 13,008 shares, made on Jun 25, 2026. Their largest trade was a sale of 13,008 shares, made on Jun 25, 2026. We estimate that they now own 320,571 shares of $DFTX, worth an estimated $14.6 million.
Insider Trading at $DFTX
There have been a total of 8 insider trades reported at $DFTX since 2021, with 0 shares purchased and 101,282 shares sold. The most active insider traders in $DFTX stock have been Daniel Karlin, Mark Sullivan, and Robert Barrow. The most recent trade was a sale of 13,008 shares reported by Mark Sullivan (Chief Legal Officer), made on Jun 25, 2026.
History of Insider Stock Trades by Mark Sullivan
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
DFTX
|
Sale | 13,008 | Jun 25, 2026 | June 26, 2026, 4:30 p.m. |
|
DFTX
|
Sale | 10,702 | Mar 25, 2026 | March 26, 2026, 6:42 p.m. |
MNMD
|
Sale | 11,276 | Dec 26, 2025 | Dec. 29, 2025, 6 p.m. |
|
MNMD
|
Sale | 11,278 | Sep 25, 2025 | Sept. 26, 2025, 5:35 p.m. |
|
MNMD
|
Sale | 11,491 | Jun 25, 2025 | June 26, 2025, 4:30 p.m. |
|
MNMD
|
Sale | 6,576 | Mar 25, 2025 | March 26, 2025, 5 p.m. |
|
MNMD
|
Sale | 4,519 | Dec 26, 2024 | Dec. 27, 2024, 5:30 p.m. |
|
MNMD
|
Sale | 4,430 | Sep 25, 2024 | Sept. 25, 2024, 8:28 p.m. |
|
MNMD
|
Sale | 17,854 | Jun 25, 2024 | June 25, 2024, 7 p.m. |
SESN
|
Sale | 44,879 | Mar 02, 2023 | March 6, 2023, 9:46 p.m. |
|
SESN
|
Sale | 73,361 | Mar 02, 2023 | March 6, 2023, 9:46 p.m. |
|
SESN
|
Sale | 100,978 | Mar 02, 2023 | March 6, 2023, 9:46 p.m. |
|
SESN
|
Sale | 39,831 | Feb 21, 2023 | Feb. 23, 2023, 8:38 p.m. |
$DFTX Executives and Stock Owners with Insider Trades
-
Daniel Karlin, Chief Medical Officer
-
Mark Sullivan, Chief Legal Officer
-
Robert Barrow, Chief Executive Officer
-
Brandi Roberts, Chief Financial Officer
-
Matthew T. Wiley, Chief Commercial Officer
*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.