Adam DeWitt
CIK 1393867 · President, CFO and Treasurer · last filed 2026-05-18
Adam DeWitt is a President, CFO and Treasurer who has filed 223 SEC Form 4 insider transactions across 5 companies since 2008. The most recent filing, for RBA, was dated May 18, 2026. Across all open-market trades the lifetime net is −$30.9M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $835.3K 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.
$835.3K
5
223
-$30.89M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| RBA | Director | 7,761 | $107.63 | $835.3K | $136.5K | 49 | 2026-05-18 |
| THSw | Director | 7,727 | — | — | -$32.4K | 5 | 2026-02-11 |
| Fathom Digital Manufacturing Corp (FATH.WS) Delisted | Director | 301,893 | $0.01 | $1.5K | $0 | 2 | 2023-05-08 |
| GrubHub Inc. (GRUB) Delisted | President, CFO and Treasurer | 0 | $6.72 | $0 | -$30.99M | 153 | 2021-06-15 |
| optionsXpress Holdings, Inc. (OXPS) Delisted | Chief Financial Officer | 0 | — | — | $0 | 14 | 2011-09-01 |
Recent Filings
223 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-18 | RBA | Grant (A) | — | $0 | EDGAR |
| 2026-05-04 | RBA | Exer (M) | +1,918 | $0 | EDGAR |
| 2026-03-04 | RBA | Grant (A) | — | $0 | EDGAR |
| 2026-02-11 | THSw | Mixed | −4,761 | $0 | EDGAR |
| 2025-12-18 | RBA | Grant (A) | — | $0 | EDGAR |
| 2025-09-19 | RBA | Grant (A) | — | $0 | EDGAR |
| 2025-06-24 | RBA | Grant (A) | — | $0 | EDGAR |
| 2025-06-11 | RBA | Sell (S) | −800 | -$84.9K | EDGAR |
| 2025-06-03 | THSw | Sell (S) | −1,439 | -$32.4K | EDGAR |
| 2025-05-16 | RBA | Grant (A) | — | $0 | EDGAR |