STEPHEN P MUMBLOW
CIK 1214781 · last filed 2026-05-18
STEPHEN P MUMBLOW is a corporate insider who has filed 33 SEC Form 4 insider transactions across 2 companies since 2007. The most recent filing, for LAMR, was dated May 18, 2026. Across all open-market trades the lifetime net is −$3.8M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.4M 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.
$1.45M
2
33
-$3.80M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| LAMR | Director | 9,377 | $154.35 | $1.45M | -$3.80M | 32 | 2026-05-18 |
| JOURNAL REGISTER CO (JRC) Delisted | Director | — | — | — | $0 | 1 | 2007-06-01 |
Recent Filings
33 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-18 | LAMR | Grant (A) | +678 | $0 | EDGAR |
| 2025-05-19 | LAMR | Grant (A) | +855 | $0 | EDGAR |
| 2024-05-20 | LAMR | Grant (A) | +831 | $0 | EDGAR |
| 2023-05-12 | LAMR | Grant (A) | +1,048 | $0 | EDGAR |
| 2022-05-23 | LAMR | Grant (A) | +1,058 | $0 | EDGAR |
| 2021-12-17 | LAMR | Sell (S) | −2,500 | -$284.5K | EDGAR |
| 2021-05-21 | LAMR | Grant (A) | +732 | $0 | EDGAR |
| 2020-06-01 | LAMR | Grant (A) | +1,095 | $0 | EDGAR |
| 2019-09-18 | LAMR | Sell (S) | −3,500 | -$279.3K | EDGAR |
| 2019-06-03 | LAMR | Grant (A) | +944 | $0 | EDGAR |