JOSEPH III KLEIN
CIK 1206369 · last filed 2026-05-05
JOSEPH III KLEIN is a corporate insider who has filed 135 SEC Form 4 insider transactions across 8 companies since 2007. The most recent filing, for IONS, was dated May 5, 2026. Across all open-market trades the lifetime net is −$17.6M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $2.8M 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.
$2.77M
8
135
-$17.59M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| IONS | Director | 11,114 | $73.28 | $814.4K | -$11.41M | 42 | 2026-05-05 |
| AKCEA THERAPEUTICS, INC. (AKCA) Delisted | Director | — | — | — | $0 | 3 | 2020-10-13 |
| IONIS PHARMACEUTICALS INC (ISIS) Delisted | Director | 5,643 | — | — | -$3.38M | 21 | 2015-11-12 |
| SAVIENT PHARMACEUTICALS INC (SVNT) Delisted | Director | 17,388 | — | — | -$573.6K | 14 | 2010-07-21 |
| OSI PHARMACEUTICALS INC (OSIP) Delisted | Director | 0 | — | — | -$698.3K | 13 | 2010-06-09 |
| BMRN | Director | 35,000 | $55.95 | $1.96M | -$1.33M | 12 | 2010-03-10 |
| PDL BIOPHARMA, INC. (PDLI) Delisted | Director | 19,484 | — | — | -$36.2K | 26 | 2009-11-06 |
| NPS PHARMACEUTICALS INC (NPSP) Delisted | Director | 15,000 | — | — | -$154.7K | 4 | 2007-05-25 |
Recent Filings
135 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-05 | IONS | Mixed | — | -$266.9K | EDGAR |
| 2026-04-02 | IONS | Mixed | — | -$805.6K | EDGAR |
| 2026-03-05 | IONS | Mixed | −5,332 | -$1.04M | EDGAR |
| 2025-11-28 | IONS | Mixed | — | -$320.0K | EDGAR |
| 2025-09-04 | IONS | Mixed | — | -$1.68M | EDGAR |
| 2025-09-04 | IONS | Mixed | — | -$1.68M | EDGAR |
| 2025-07-02 | IONS | Grant (A) | — | $0 | EDGAR |
| 2024-07-17 | IONS | Mixed | — | -$307.0K | EDGAR |
| 2024-07-03 | IONS | Grant (A) | — | $0 | EDGAR |
| 2024-05-07 | IONS | Sell (S) | −6,000 | -$256.3K | EDGAR |