ARTHUR A LEVIN
CIK 1181556 · Chief Scientific Officer · last filed 2026-06-05
ARTHUR A LEVIN is a Chief Scientific Officer who has filed 51 SEC Form 4 insider transactions across 4 companies since 2007. The most recent filing, for STOK, was dated Jun 5, 2026. Across all open-market trades the lifetime net is −$18.2M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.1M 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.
$1.15M
4
51
-$18.21M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| STOK | Director | 22,216 | $29.82 | $662.5K | -$782.1K | 15 | 2026-06-05 |
| Avidity Biosciences, Inc. (RNAM) Delisted | Director | 0 | — | — | $0 | 1 | 2026-02-27 |
| RNA | Director | 39,062 | $12.37 | $483.2K | -$17.37M | 33 | 2026-01-23 |
| IONIS PHARMACEUTICALS INC (ISIS) Delisted | Vice President | 1,674 | — | — | -$60.7K | 2 | 2007-04-27 |
Recent Filings
51 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-05 | STOK | Grant (A) | — | $0 | EDGAR |
| 2026-03-17 | STOK | Sell (S) | −605 | -$22.3K | EDGAR |
| 2026-02-27 | Avidity Biosciences, Inc. (RNAM) Delisted | Disp (D) | −147,934 | $0 | EDGAR |
| 2026-01-23 | RNA | Sell (S) | −1,758 | -$127.4K | EDGAR |
| 2026-01-05 | STOK | Exer (M) | +1,211 | $0 | EDGAR |
| 2025-12-22 | RNA | Gift (G) | −1,330 | $0 | EDGAR |
| 2025-10-01 | STOK | Exer (M) | +1,211 | $0 | EDGAR |
| 2025-08-08 | RNA | Mixed | — | -$2.72M | EDGAR |
| 2025-07-02 | STOK | Exer (M) | +1,210 | $0 | EDGAR |
| 2025-06-12 | RNA | Grant (A) | +6,692 | $0 | EDGAR |