LEVIN ARTHUR A
CIK 1181556 · View on SEC EDGAR ↗
Insider
First SEC filing: June 5, 2026 · Latest: June 5, 2026
On this page
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net:
$-22,264
+ 73 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
73 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 13, 2026 | STOK | S 10b5-1 | 605 | $36.80 | $22,264 | 4,237 Direct | -12.49% | Disposed | -13.7% (price as of 2026-08-20) |
| March 15, 2023 | RNA | S 10b5-1 | 100 | $22.01 | $2,201 | 19,330 Direct | -0.51% | Disposed | |
| Feb. 14, 2023 | RNA | S 10b5-1 | 523 | $24.24 | $12,678 | 19,330 Direct | -2.63% | Disposed | |
| Feb. 14, 2023 | RNA | S 10b5-1 | 9,477 | $23.62 | $223,847 | 19,853 Direct | -32.31% | Disposed | |
| Jan. 12, 2023 | RNA | S 10b5-1 | 10,000 | $22.00 | $220,000 | 1,330 Direct | -88.26% | Disposed | |
| Dec. 29, 2022 | RNA | S 10b5-1 | 40,000 | $22.01 | $880,400 | 1,330 Direct | -96.78% | Disposed | |
| Aug. 16, 2022 | RNA | S 10b5-1 | 3,499 | $22.08 | $77,258 | 1,330 Direct | -72.46% | Disposed | |
| Aug. 15, 2022 | RNA | S 10b5-1 | 62,498 | $22.12 | $1,382,456 | 1,330 Direct | -97.92% | Disposed | |
| Aug. 12, 2022 | RNA | S 10b5-1 | 14,003 | $22.00 | $308,066 | 1,330 Direct | -91.33% | Disposed | |
| Nov. 18, 2021 | RNA | S 10b5-1 | 25,000 | $27.89 | $697,250 | 1,330 Direct | -94.95% | Disposed | |
| June 25, 2021 | RNA | S 10b5-1 | 2,647 | $29.14 | $77,134 | 1,330 Direct | -66.56% | Disposed | |
| June 25, 2021 | RNA | S 10b5-1 | 17,453 | $27.97 | $488,160 | 3,977 Direct | -81.44% | Disposed | |
| June 24, 2021 | RNA | S 10b5-1 | 100 | $27.76 | $2,776 | 1,330 Direct | -6.99% | Disposed | |
| June 17, 2021 | RNA | S 10b5-1 | 200 | $27.75 | $5,550 | 1,330 Direct | -13.07% | Disposed | |
| June 15, 2021 | RNA | S | 23,019 | $26.02 | $598,954 | 0 Indirect | -100.00% | Disposed | |
| June 14, 2021 | RNA | S | 14,003 | $25.92 | $362,958 | 23,019 Indirect | -37.82% | Disposed | |
| March 16, 2021 | RNA | S 10b5-1 | 4,600 | $27.87 | $128,202 | 0 Direct | -100.00% | Disposed | |
| March 1, 2021 | STOK | S 10b5-1 | 4,957 | $61.14 | $303,071 | 0 Direct | -100.00% | Disposed | -48.0% (price as of 2026-08-20) |
| March 1, 2021 | STOK | S 10b5-1 | 7,543 | $60.55 | $456,729 | 4,957 Direct | -60.34% | Disposed | -47.5% (price as of 2026-08-20) |
| April 25, 2007 | IONS | S 10b5-1 | 6,000 | $10.11 | $60,660 | 1,674 Direct | -78.19% | Disposed | 488.1% (price as of 2026-08-20) |
| Nov. 13, 2006 | IONS | S 10b5-1 | 30,000 | $13.36 | $400,800 | 1,674 Direct | -94.71% | Disposed | 345.1% (price as of 2026-08-20) |
| Nov. 9, 2006 | IONS | S 10b5-1 | 20,000 | $10.13 | $202,600 | 1,674 Direct | -92.28% | Disposed | 487.0% (price as of 2026-08-20) |
| Oct. 19, 2006 | IONS | S 10b5-1 | 924 | $9.00 | $8,316 | 1,674 Direct | -35.57% | Disposed | 560.7% (price as of 2026-08-20) |
| Oct. 19, 2006 | IONS | S 10b5-1 | 2,500 | $9.00 | $22,500 | 2,598 Direct | -49.04% | Disposed | 560.7% (price as of 2026-08-20) |
| Oct. 19, 2006 | IONS | S 10b5-1 | 3,000 | $8.98 | $26,940 | 5,098 Direct | -37.05% | Disposed | 562.1% (price as of 2026-08-20) |
| Oct. 19, 2006 | IONS | S 10b5-1 | 3,000 | $8.97 | $26,910 | 8,098 Direct | -27.03% | Disposed | 562.9% (price as of 2026-08-20) |
| Oct. 19, 2006 | IONS | S 10b5-1 | 3,000 | $8.95 | $26,850 | 11,098 Direct | -21.28% | Disposed | 564.4% (price as of 2026-08-20) |
Showing latest 100 of 159 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 3, 2026 | STOK | Director Stock Option (Right to Buy) | Common Stock (17,786) | $29.46 | June 2, 2036 | 17,786 | Acquired |
| Feb. 27, 2026 | RNA | Stock Option (Right to Buy) | Common Stock (12,500) | $22.34 | Feb. 1, 2031 | 12,500 | Disposed |
| Feb. 27, 2026 | RNA | Stock Option (Right to Buy) | Common Stock (115,500) | $14.22 | Jan. 20, 2032 | 115,500 | Disposed |
| Feb. 27, 2026 | RNA | Stock Option (Right to Buy) | Common Stock (144,000) | $22.47 | Jan. 19, 2033 | 144,000 | Disposed |
| Feb. 27, 2026 | RNA | Stock Option (Right to Buy) | Common Stock (13,489) | $39.96 | June 12, 2034 | 13,489 | Disposed |
| Feb. 27, 2026 | RNA | Stock Option (Right to Buy) | Common Stock (10,034) | $33.62 | June 9, 2035 | 10,034 | Disposed |
| Dec. 31, 2025 | STOK | Restricted Stock Units | Common Stock (1,211) | — | Dec. 31, 2025 | 1,211 | Disposed |
| Sept. 30, 2025 | STOK | Restricted Stock Units | Common Stock (1,211) | — | Dec. 31, 2025 | 1,211 | Disposed |
| June 13, 2023 | STOK | Director Stock Option (Right to Buy) | Common Stock (19,441) | $12.46 | June 12, 2033 | 19,441 | Acquired |
| March 15, 2023 | RNA | Stock Option (Right to Buy) | Common Stock (100) | $1.24 | Feb. 18, 2030 | 100 | Disposed |
| Feb. 14, 2023 | RNA | Stock Option (Right to Buy) | Common Stock (10,000) | $1.24 | Feb. 18, 2030 | 10,000 | Disposed |
| Jan. 20, 2023 | RNA | Stock Option (Right to Buy) | Common Stock (144,000) | $22.47 | Jan. 19, 2033 | 144,000 | Acquired |
| Jan. 12, 2023 | RNA | Stock Option (Right to Buy) | Common Stock (10,000) | $1.24 | Feb. 18, 2030 | 10,000 | Disposed |
| Dec. 29, 2022 | RNA | Stock Option (Right to Buy) | Common Stock (40,000) | $1.24 | Feb. 18, 2030 | 40,000 | Disposed |
| Aug. 16, 2022 | RNA | Stock Option (Right to Buy) | Common Stock (3,499) | $1.24 | Feb. 18, 2030 | 3,499 | Disposed |
| Aug. 15, 2022 | RNA | Stock Option (Right to Buy) | Common Stock (34,758) | $1.24 | Feb. 18, 2030 | 34,758 | Disposed |
| Aug. 15, 2022 | RNA | Stock Option (Right to Buy) | Common Stock (27,740) | $0.53 | Aug. 28, 2027 | 27,740 | Disposed |
| Aug. 12, 2022 | RNA | Stock Option (Right to Buy) | Common Stock (14,003) | $0.53 | Aug. 28, 2027 | 14,003 | Disposed |
| June 7, 2022 | STOK | Director Stock Option (Right to Buy) | Common Stock (21,000) | $12.96 | June 6, 2032 | 21,000 | Acquired |
| Jan. 21, 2022 | RNA | Stock Option (Right to Buy) | Common Stock (115,500) | $14.22 | Jan. 20, 2032 | 115,500 | Acquired |
| Nov. 18, 2021 | RNA | Stock Option (Right to Buy) | Common Stock (24,396) | $1.24 | Feb. 18, 2030 | 24,396 | Disposed |
| Nov. 18, 2021 | RNA | Stock Option (Right to Buy) | Common Stock (604) | $0.53 | Aug. 28, 2027 | 604 | Disposed |
| June 25, 2021 | RNA | Stock Option (Right to Buy) | Common Stock (3,083) | $0.53 | Aug. 27, 2027 | 3,083 | Disposed |
| June 25, 2021 | RNA | Stock Option (Right to Buy) | Common Stock (17,017) | $1.24 | Feb. 18, 2030 | 17,017 | Disposed |
| June 24, 2021 | RNA | Stock Option (Right to Buy) | Common Stock (100) | $1.24 | Feb. 18, 2030 | 100 | Disposed |
| June 17, 2021 | RNA | Stock Option (Right to Buy) | Common Stock (200) | $1.24 | Feb. 18, 2030 | 200 | Disposed |
| June 8, 2021 | STOK | Director Stock Option (Right to Buy) | Common Stock (11,650) | $40.37 | June 7, 2031 | 11,650 | Acquired |
| March 16, 2021 | RNA | Stock Option (Right to Buy) | Common Stock (2,625) | $1.24 | Feb. 18, 2030 | 2,625 | Disposed |
| March 16, 2021 | RNA | Stock Option (Right to Buy) | Common Stock (1,975) | $0.53 | Aug. 28, 2027 | 1,975 | Disposed |
| March 1, 2021 | STOK | Director Stock Option (Right to Buy) | Common Stock (7,882) | $0.60 | April 2, 2028 | 7,882 | Disposed |
| March 1, 2021 | STOK | Director Stock Option (Right to Buy) | Common Stock (1,842) | $0.40 | Feb. 2, 2027 | 1,842 | Disposed |
| March 1, 2021 | STOK | Director Stock Option (Right to Buy) | Common Stock (2,776) | $0.40 | Feb. 11, 2026 | 2,776 | Disposed |
| Feb. 2, 2021 | RNA | Stock Option (Right to Buy) | Common Stock (120,000) | $22.34 | Feb. 1, 2031 | 120,000 | Acquired |
| June 16, 2020 | RNA | Series A Preferred Stock | Common Stock (16,751) | — | — | 35,337 | Disposed |
| June 3, 2020 | STOK | Director Stock Option (Right to Buy) | Common Stock (14,777) | $26.53 | June 2, 2030 | 14,777 | Acquired |
| April 25, 2007 | IONS | Employee Stock Option (right to buy) | Common Stock (6,000) | $5.25 | Jan. 2, 2013 | 6,000 | Disposed |
| Nov. 13, 2006 | IONS | Employee Stock Option (right to buy) | Common Stock (30,000) | $6.81 | Jan. 5, 2010 | 30,000 | Disposed |
| Nov. 9, 2006 | IONS | Employee Stock Option (right to buy) | Common Stock (20,000) | $6.81 | Jan. 5, 2010 | 20,000 | Disposed |
| Oct. 19, 2006 | IONS | Employee Stock Option (right to buy) | Common Stock (9,828) | $5.80 | Jan. 2, 2012 | 9,828 | Disposed |
| Oct. 19, 2006 | IONS | Employee Stock Option (right to buy) | Common Stock (2,596) | $5.15 | Dec. 31, 2008 | 2,596 | Disposed |
| Oct. 6, 2006 | IONS | Employee Stock Option (right to buy) | Common Stock (10,000) | $5.15 | Dec. 31, 2008 | 10,000 | Disposed |
| March 21, 2006 | IONS | Employee Stock Option (right to buy) | Common Stock (500) | $6.84 | Jan. 1, 2013 | 500 | Disposed |
| March 20, 2006 | IONS | Employee Stock Option (right to buy) | Common Stock (9,500) | $6.84 | Jan. 1, 2013 | 9,500 | Disposed |
| Feb. 17, 2006 | IONS | Employee Stock Option (right to buy) | Common Stock (7,770) | $5.15 | Dec. 31, 2008 | 7,770 | Disposed |
| Feb. 16, 2006 | IONS | Employee Stock Option (right to buy) | Common Stock (3,000) | $5.15 | Dec. 31, 2008 | 3,000 | Disposed |
| Jan. 3, 2006 | IONS | Employee Stock Option (right to buy) | Common Stock (29,703) | $5.25 | Jan. 2, 2013 | 29,703 | Acquired |
| Jan. 3, 2005 | IONS | Employee Stock Option (right to buy) | Common Stock (22,462) | $5.80 | Jan. 2, 2012 | 22,462 | Acquired |
| Dec. 22, 2004 | IONS | Employee Stock Option (right to buy) | Common Stock (1,000) | $5.88 | Feb. 26, 2005 | 1,000 | Disposed |
| Dec. 10, 2004 | IONS | Employee Stock Option (right to buy) | Common Stock (5,500) | $5.88 | Feb. 26, 2005 | 5,500 | Disposed |
| Dec. 10, 2004 | IONS | Employee Stock Option (right to buy) | Common Stock (5,500) | $5.88 | Feb. 26, 2005 | 5,500 | Disposed |
| Dec. 9, 2004 | IONS | Employee Stock Option (right to buy) | Common Stock (3,000) | $5.88 | Feb. 26, 2005 | 3,000 | Disposed |
| Dec. 3, 2004 | IONS | Employee Stock Option (right to buy) | Common Stock (4,817) | $5.88 | Feb. 26, 2005 | 4,817 | Disposed |
| Jan. 2, 2004 | IONS | Employee Stock Option (right to buy) | Common Stock (26,880) | $6.81 | — | 26,880 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 9 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 11, 2020 | RNA | Common Stock | 294,143 | Indirect |
| June 11, 2020 | RNA | Series A Preferred Stock→ Common Stock (16,751) | 16,751 | Indirect |
| June 11, 2020 | RNA | Stock Option (Right to Buy)→ Common Stock (211,108) | 211,108 | Direct |
| June 11, 2020 | RNA | Stock Option (Right to Buy)→ Common Stock (47,405) | 47,405 | Direct |
| June 18, 2019 | STOK | Common Stock | 17,979 | Indirect |
| June 18, 2019 | STOK | Employee Stock Option (Right to Buy)→ Common Stock (2,776) | 2,776 | Direct |
| June 18, 2019 | STOK | Employee Stock Option (Right to Buy)→ Common Stock (1,842) | 1,842 | Direct |
| June 18, 2019 | STOK | Employee Stock Option (Right to Buy)→ Common Stock (16,646) | 16,646 | Direct |
| June 18, 2019 | STOK | Employee Stock Option (Right to Buy)→ Common Stock (22,494) | 22,494 | Direct |