DENNIS LANGER
CIK 1274225 · last filed 2026-02-06
DENNIS LANGER is a corporate insider who has filed 70 SEC Form 4 insider transactions across 10 companies since 2007. The most recent filing, for QNRX, was dated Feb 6, 2026. Across all open-market trades the lifetime net is −$10.5M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $760.5K across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$760.5K
10
70
-$10.51M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| QNRX | Director | 15,153 | $4.20 | $63.6K | $128.4K | 7 | 2026-02-06 |
| MYGN | Director | 106,802 | $4.33 | $462.5K | -$9.94M | 26 | 2022-06-30 |
| BTX | Director | — | $9.03 | — | $0 | 1 | 2021-12-10 |
| Dicerna Pharmaceuticals Inc (DRNA) Delisted | Director | 77,042 | $38.22 | $2.94M | -$697.1K | 11 | 2019-06-21 |
| PERNIX THERAPEUTICS HOLDINGS, INC. (PTX) Delisted | Director | — | — | — | $0 | 3 | 2018-05-23 |
| DCTH | Director | 20,000 | $11.72 | $234.4K | $0 | 2 | 2015-06-12 |
| Myrexis, Inc. (MYRX) Delisted | Director | — | — | — | $0 | 3 | 2011-12-12 |
| AUXILIUM PHARMACEUTICALS INC (AUXL) Delisted | Director | 1,366 | — | — | $0 | 13 | 2010-06-07 |
| CYTOGEN CORP (CYTO) Delisted | Director | 0 | $0.30 | $0 | $0 | 2 | 2008-05-09 |
| PHARMACOPEIA INC (PCOP) Delisted | Director | — | — | — | $0 | 1 | 2008-05-02 |
Recent Filings
70 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-02-06 | QNRX | Grant (A) | — | $0 | EDGAR |
| 2025-10-15 | QNRX | Buy (P) | +15,152 | $128.6K | EDGAR |
| 2025-08-25 | QNRX | Grant (A) | — | $0 | EDGAR |
| 2025-06-02 | QNRX | Grant (A) | — | $0 | EDGAR |
| 2024-12-10 | QNRX | Grant (A) | — | $0 | EDGAR |
| 2024-06-10 | QNRX | Sell (S) | −297 | -$217 | EDGAR |
| 2023-10-30 | QNRX | Grant (A) | — | $0 | EDGAR |
| 2022-06-30 | MYGN | — | — | $0 | EDGAR |
| 2022-06-03 | MYGN | Grant (A) | +17,275 | $0 | EDGAR |
| 2021-12-10 | BTX | Grant (A) | — | $0 | EDGAR |