Joseph Iii Klein Net Worth
Track Major Insider Updates On X/TwitterLast Updated: 6 days, 9 hours ago
Joseph Iii Klein has an estimated net worth of at least $11.6 million*, as of June 24, 2026. They own 21,125 shares of IONS stock. They have sold 154,986 shares of IONS stock since 2021, for an estimated $9.9 million.
Joseph Iii Klein $IONS SEC Form 4 Insider Trading
Joseph Iii Klein has filed a total of 26 insider trades in $IONS since 2021. Their most recent trade was a sale of 8,680 shares, made on May 01, 2026. Their largest trade was a sale of 28,000 shares, made on Sep 03, 2025. We estimate that they now own 21,125 shares of $IONS, worth an estimated $1.6 million.
Insider Trading at $IONS
There have been a total of 308 insider trades reported at $IONS since 2021, with 20,000 shares purchased and 3.3 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 5,635 shares reported by Joseph Baroldi (EVP, Chief Business Officer), made on Jun 26, 2026.
History of Insider Stock Trades by Joseph Iii Klein
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
IONS
|
Sale | 8,680 | May 01, 2026 | May 5, 2026, 4:30 p.m. |
|
IONS
|
Sale | 1,431 | May 01, 2026 | May 5, 2026, 4:30 p.m. |
|
IONS
|
Sale | 2,216 | Apr 01, 2026 | April 2, 2026, 7:43 p.m. |
|
IONS
|
Sale | 20,105 | Apr 01, 2026 | April 2, 2026, 7:43 p.m. |
|
IONS
|
Sale | 6,794 | Mar 03, 2026 | March 5, 2026, 7:14 p.m. |
|
IONS
|
Sale | 1,012 | Mar 03, 2026 | March 5, 2026, 7:14 p.m. |
|
IONS
|
Sale | 13,526 | Mar 03, 2026 | March 5, 2026, 7:14 p.m. |
|
IONS
|
Sale | 4,000 | Nov 25, 2025 | Nov. 28, 2025, 6:51 p.m. |
|
IONS
|
Sale | 4,000 | Nov 25, 2025 | Nov. 28, 2025, 6:51 p.m. |
|
IONS
|
Sale | 4,000 | Nov 25, 2025 | Nov. 28, 2025, 6:51 p.m. |
|
IONS
|
Sale | 28,000 | Sep 03, 2025 | Sept. 4, 2025, 8:38 p.m. |
|
IONS
|
Sale | 28,000 | Sep 03, 2025 | Sept. 4, 2025, 8:37 p.m. |
|
IONS
|
Sale | 12,000 | Jul 16, 2024 | July 17, 2024, 5:02 p.m. |
|
IONS
|
Sale | 930 | May 03, 2024 | May 7, 2024, 4:55 p.m. |
|
IONS
|
Sale | 1,070 | May 03, 2024 | May 7, 2024, 4:55 p.m. |
|
IONS
|
Sale | 731 | May 03, 2024 | May 7, 2024, 4:55 p.m. |
|
IONS
|
Sale | 1,269 | May 03, 2024 | May 7, 2024, 4:55 p.m. |
|
IONS
|
Sale | 682 | May 03, 2024 | May 7, 2024, 4:55 p.m. |
|
IONS
|
Sale | 1,318 | May 03, 2024 | May 7, 2024, 4:55 p.m. |
|
IONS
|
Sale | 2,000 | Nov 15, 2023 | Nov. 17, 2023, 5:58 p.m. |
|
IONS
|
Sale | 2,000 | Sep 26, 2023 | Sept. 28, 2023, 6:03 p.m. |
|
IONS
|
Sale | 3,555 | Jul 18, 2023 | July 19, 2023, 6:05 p.m. |
|
IONS
|
Sale | 2,000 | Jan 17, 2023 | Jan. 18, 2023, 9:19 p.m. |
|
IONS
|
Sale | 689 | Jul 15, 2022 | July 19, 2022, 7:20 p.m. |
|
IONS
|
Sale | 644 | Jul 15, 2022 | July 19, 2022, 7:20 p.m. |
|
IONS
|
Sale | 4,334 | Jul 15, 2021 | July 18, 2021, 8 p.m. |
$IONS Executives and Stock Owners with Insider Trades
-
Brett P Monia, Chief Executive Officer
-
Eric Swayze, EVP Research
-
Patrick R. O'Neil, EVP CLO & General Counsel
-
Joseph Baroldi, EVP, Chief Business Officer
-
Richard S Geary, EVP, Chief Development Officer
-
C Frank Bennett, EVP, Chief Scientific Officer
-
Shannon L. Devers, EVP, Chief Human Resources Ofc
-
Eugene Schneider, EVP, Chf Clinical Develop Ofcr
-
Elizabeth L Hougen, EVP, Finance & CFO
-
Brian Birchler, EVP, Corp and Development Ops
-
Onaiza Cadoret-Manier, EVP, Chf GL Pdt Str & Oper Ofc
-
Holly B. Kordasiewicz, EVP, Chief Development Officer
-
Kyle Jenne, EVP, Chf GL Pdt Str Ofcr
*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.