William W. Ericson
CIK 1503381 · last filed 2026-06-04
William W. Ericson is a corporate insider who has filed 61 SEC Form 4 insider transactions across 3 companies since 2011. The most recent filing, for PACB, was dated Jun 4, 2026. Across all open-market trades the lifetime net is −$110.6M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $6.4M 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.
$6.41M
3
61
-$110.61M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| PACB | Director | 4,890,013 | $1.31 | $6.41M | $3.92M | 34 | 2026-06-04 |
| Adamas Pharmaceuticals Inc (ADMS) Delisted | Director | 0 | $8.22 | $0 | -$493.0K | 19 | 2021-11-24 |
| Rocket Fuel Inc. (FUEL) Delisted | Director | 9,295,955 | — | — | -$114.03M | 7 | 2017-09-06 |
Recent Filings
61 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-04 | PACB | Grant (A) | — | $0 | EDGAR |
| 2025-06-06 | PACB | Grant (A) | — | $0 | EDGAR |
| 2024-06-20 | PACB | Grant (A) | +22,821 | $0 | EDGAR |
| 2023-05-26 | PACB | Grant (A) | — | $0 | EDGAR |
| 2023-03-17 | PACB | Mixed | +17,459 | -$3.6K | EDGAR |
| 2022-05-27 | PACB | Grant (A) | — | $0 | EDGAR |
| 2022-04-13 | PACB | Other (J) | −5,597,061 | $0 | EDGAR |
| 2021-11-24 | Adamas Pharmaceuticals Inc (ADMS) Delisted | Mixed | −4,629,796 | $0 | EDGAR |
| 2021-06-21 | PACB | Grant (A) | — | $0 | EDGAR |
| 2021-06-04 | Adamas Pharmaceuticals Inc (ADMS) Delisted | Grant (A) | +5,000 | $0 | EDGAR |