Mark Sullivan Net Worth
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Mark Sullivan has an estimated net worth of at least $19.1 million*, as of yesterday. They own 494,228 shares of DFTX stock. They have sold 364,234 shares of DFTX stock since 2021, for an estimated $1.3 million.
Mark Sullivan $DFTX SEC Form 4 Insider Trading
Mark Sullivan has filed a total of 3 insider trades in $DFTX since 2021. Their most recent trade was a sale of 14,051 shares, made on Sep 25, 2026. Their largest trade was a sale of 14,051 shares, made on Sep 25, 2026. We estimate that they now own 494,228 shares of $DFTX, worth an estimated $17.8 million.
Insider Trading at $DFTX
There have been a total of 14 insider trades reported at $DFTX since 2021, with 0 shares purchased and 183,233 shares sold. The most active insider traders in $DFTX stock have been Robert Barrow, Daniel Karlin, and Mark Sullivan. The most recent trade was a sale of 10,853 shares reported by Daniel Karlin (Chief Medical Officer), made on Sep 25, 2026.
History of Insider Stock Trades by Mark Sullivan
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
DFTX
|
Sale | 14,051 | Sep 25, 2026 | Sept. 29, 2026, 9:10 p.m. |
|
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
-
Robert Barrow, Chief Executive Officer
-
Daniel Karlin, Chief Medical Officer
-
Mark Sullivan, Chief Legal 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.