Joseph Iii Klein Net Worth
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Joseph Iii Klein has an estimated net worth of at least $10.9 million*, as of April 22, 2026. They own 23,014 shares of IONS stock. They have sold 144,875 shares of IONS stock since 2021, for an estimated $9.2 million.
Joseph Iii Klein $IONS SEC Form 4 Insider Trading
Joseph Iii Klein has filed a total of 24 insider trades in $IONS since 2021. Their most recent trade was a sale of 2,216 shares, made on Apr 01, 2026. Their largest trade was a sale of 28,000 shares, made on Sep 03, 2025. We estimate that they now own 23,014 shares of $IONS, worth an estimated $1.7 million.
Insider Trading at $IONS
There have been a total of 290 insider trades reported at $IONS since 2021, with 20,000 shares purchased and 3.0 million shares sold. The most active insider traders in $IONS stock have been Brett P Monia, Eric Swayze, and Patrick R. O'Neil. The most recent trade was a sale of 534 shares reported by B LYNNE PARSHALL (None), made on Apr 15, 2026.
History of Insider Stock Trades by Joseph Iii Klein
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
IONS
|
Sale | 2,216 | Apr 01, 2026 | April 2, 2026, 7:43 p.m. |
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IONS
|
Sale | 20,105 | Apr 01, 2026 | April 2, 2026, 7:43 p.m. |
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IONS
|
Sale | 6,794 | Mar 03, 2026 | March 5, 2026, 7:14 p.m. |
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IONS
|
Sale | 13,526 | Mar 03, 2026 | March 5, 2026, 7:14 p.m. |
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IONS
|
Sale | 1,012 | Mar 03, 2026 | March 5, 2026, 7:14 p.m. |
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IONS
|
Sale | 4,000 | Nov 25, 2025 | Nov. 28, 2025, 6:51 p.m. |
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IONS
|
Sale | 4,000 | Nov 25, 2025 | Nov. 28, 2025, 6:51 p.m. |
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IONS
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Sale | 4,000 | Nov 25, 2025 | Nov. 28, 2025, 6:51 p.m. |
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IONS
|
Sale | 28,000 | Sep 03, 2025 | Sept. 4, 2025, 8:38 p.m. |
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IONS
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Sale | 28,000 | Sep 03, 2025 | Sept. 4, 2025, 8:37 p.m. |
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IONS
|
Sale | 12,000 | Jul 16, 2024 | July 17, 2024, 5:02 p.m. |
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IONS
|
Sale | 1,070 | May 03, 2024 | May 7, 2024, 4:55 p.m. |
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IONS
|
Sale | 1,318 | May 03, 2024 | May 7, 2024, 4:55 p.m. |
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IONS
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Sale | 682 | May 03, 2024 | May 7, 2024, 4:55 p.m. |
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IONS
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Sale | 1,269 | May 03, 2024 | May 7, 2024, 4:55 p.m. |
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IONS
|
Sale | 731 | May 03, 2024 | May 7, 2024, 4:55 p.m. |
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IONS
|
Sale | 930 | May 03, 2024 | May 7, 2024, 4:55 p.m. |
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IONS
|
Sale | 2,000 | Nov 15, 2023 | Nov. 17, 2023, 5:58 p.m. |
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IONS
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Sale | 2,000 | Sep 26, 2023 | Sept. 28, 2023, 6:03 p.m. |
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IONS
|
Sale | 3,555 | Jul 18, 2023 | July 19, 2023, 6:05 p.m. |
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IONS
|
Sale | 2,000 | Jan 17, 2023 | Jan. 18, 2023, 9:19 p.m. |
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IONS
|
Sale | 689 | Jul 15, 2022 | July 19, 2022, 7:20 p.m. |
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IONS
|
Sale | 644 | Jul 15, 2022 | July 19, 2022, 7:20 p.m. |
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IONS
|
Sale | 4,334 | Jul 15, 2021 | July 18, 2021, 8 p.m. |
$IONS Executives and Stock Owners with Insider Trades
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Brett P Monia, Chief Executive Officer
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Eric Swayze, EVP Research
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Patrick R. O'Neil, EVP CLO & General Counsel
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Richard S Geary, EVP, Chief Development Officer
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C Frank Bennett, EVP, Chief Scientific Officer
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Joseph Baroldi, EVP, Chief Business Officer
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Shannon L. Devers, EVP, Chief Human Resources Ofc
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Eugene Schneider, EVP, Chf Clinical Develop Ofcr
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Elizabeth L Hougen, EVP, Finance & CFO
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Brian Birchler, EVP, Corp and Development Ops
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Onaiza Cadoret-Manier, EVP, Chf GL Pdt Str & Oper Ofc
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Kyle Jenne, EVP, Chf GL Pdt Str Ofcr
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Holly B. Kordasiewicz, EVP, Chief Development Officer
*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.