MARK M GAMBILL
CIK 1170913 · last filed 2025-07-01
MARK M GAMBILL is a corporate insider who has filed 47 SEC Form 4 insider transactions across 6 companies since 2007. The most recent filing, for NEU, was dated Jul 1, 2025. Across all open-market trades the lifetime net is −$716.2K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $3.3M 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.
$3.33M
6
47
-$716.2K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| NEU | Director | 3,992 | $833.33 | $3.33M | $96.7K | 19 | 2025-07-01 |
| SPEEDWAY MOTORSPORTS LLC (TRK) Delisted | Director | 0 | — | — | -$912.9K | 19 | 2019-09-19 |
| Barings BDC, Inc. (TCCB) Delisted | Director | 34,301 | — | — | $0 | 4 | 2018-05-07 |
| Barings BDC, Inc. (TCCA) Delisted | Director | 12,915 | — | — | $0 | 1 | 2013-05-09 |
| Barings BDC, Inc. (TCC) Delisted | Director | 10,743 | — | — | $100.0K | 2 | 2012-05-14 |
| Barings BDC, Inc. (TCAP) Delisted | Director | 3,885 | — | — | $0 | 2 | 2011-05-10 |
Recent Filings
47 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2025-07-01 | NEU | Grant (A) | +144 | $0 | EDGAR |
| 2024-07-02 | NEU | Grant (A) | +193 | $0 | EDGAR |
| 2023-07-05 | NEU | Grant (A) | +223 | $0 | EDGAR |
| 2022-07-01 | NEU | Grant (A) | +299 | $0 | EDGAR |
| 2021-07-01 | NEU | Grant (A) | +279 | $0 | EDGAR |
| 2020-07-01 | NEU | Grant (A) | +224 | $0 | EDGAR |
| 2019-09-19 | SPEEDWAY MOTORSPORTS LLC (TRK) Delisted | U | −49,940 | -$986.3K | EDGAR |
| 2019-07-01 | NEU | Grant (A) | +224 | $0 | EDGAR |
| 2019-04-26 | SPEEDWAY MOTORSPORTS LLC (TRK) Delisted | Grant (A) | +5,286 | $0 | EDGAR |
| 2018-07-02 | NEU | Grant (A) | +222 | $0 | EDGAR |