William Lis
CIK 1574558 · See Remarks · last filed 2025-06-23
William Lis is a corporate insider who has filed 46 SEC Form 4 insider transactions across 4 companies since 2014. The most recent filing, for ZLAB, was dated Jun 23, 2025. Across all open-market trades the lifetime net is −$27.7M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $600.0K 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.
$600.0K
4
46
-$27.69M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| ZLAB | Director | 35,106 | $17.07 | $599.3K | -$1.48M | 9 | 2025-06-23 |
| JSPRW | Director | 53,521 | $0.01 | $717 | -$120.5K | 6 | 2023-10-13 |
| Eidos Therapeutics, Inc. (EIDX) Delisted | Director | — | — | — | $0 | 3 | 2020-05-29 |
| PORTOLA PHARMACEUTICALS INC (PTLA) Delisted | Chief Executive Officer | 204,448 | — | — | -$26.09M | 27 | 2018-08-28 |
Recent Filings
46 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2025-06-23 | ZLAB | Mixed | −2,983 | -$492.7K | EDGAR |
| 2025-03-04 | ZLAB | Sell (S) | −15,000 | -$494.7K | EDGAR |
| 2024-07-03 | ZLAB | Sell (S) | −10,397 | -$180.1K | EDGAR |
| 2024-06-20 | ZLAB | Grant (A) | +21,253 | $0 | EDGAR |
| 2023-10-13 | JSPRW | Sell (S) | −7,965 | -$6.8K | EDGAR |
| 2023-06-30 | ZLAB | Grant (A) | +18,903 | $500.0K | EDGAR |
| 2023-06-08 | JSPRW | Grant (A) | — | $0 | EDGAR |
| 2023-04-14 | JSPRW | Sell (S) | −8,500 | -$12.2K | EDGAR |
| 2023-03-07 | ZLAB | Sell (S) | −5,434 | -$208.2K | EDGAR |
| 2022-10-13 | JSPRW | Grant (A) | +29,500 | $0 | EDGAR |