Elizabeth L. Hougen, EVP of Finance and CFO at Ionis Pharmaceuticals Inc. ($IONS), sold about $4.8 million in company shares through three open market transactions over the past year. Her most recent sale occurred on January 30, 2026. These sales rank her 1998th among nearly 12,000 individual insiders by total value sold, below the average of $8.6 million across about 6.4 transactions per insider. She made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 16, 2026 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | M | Non-Qualified Stock Option (right to buy) | 60299 | $0.00 | 0.0000 | 158,964,772 | 100.00% | 0.04% |
| March 16, 2026 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | M | Common Stock | 60299 | $60.89 | 193,180.0000 | 158,964,772 | 45.38% | 0.04% |
| March 16, 2026 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | M | Common Stock | 61041 | $56.78 | 254,221.0000 | 158,964,772 | 31.60% | 0.04% |
| March 16, 2026 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | M | Common Stock | 33118 | $32.60 | 287,339.0000 | 158,964,772 | 13.03% | 0.02% |
| March 16, 2026 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | M | Common Stock | 20541 | $37.58 | 307,880.0000 | 158,964,772 | 7.15% | 0.01% |
| March 16, 2026 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | S | Common Stock | 205608 | $72.38 | 102,272.0000 | 158,964,772 | 66.78% | 0.13% |
| March 16, 2026 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | S | Common Stock | 9440 | $72.77 | 92,832.0000 | 158,964,772 | 9.23% | 0.01% |
| March 17, 2026 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | S | Common Stock | 10172 | $73.21 | 82,660.0000 | 158,964,772 | 10.96% | 0.01% |
| March 16, 2026 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | M | Non-Qualified Stock Option (right to buy) | 33118 | $0.00 | 0.0000 | 158,964,772 | 100.00% | 0.02% |
| March 16, 2026 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | M | Non-Qualified Stock Option (right to buy) | 20541 | $0.00 | 5,405.0000 | 158,964,772 | 79.17% | 0.01% |
| March 16, 2026 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | M | Non-Qualified Stock Option (right to buy) | 61041 | $0.00 | 0.0000 | 158,964,772 | 100.00% | 0.04% |
| Jan. 29, 2026 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | A | Common Stock | 13562 | $0.00 | 139,869.0000 | 158,964,772 | 10.74% | 0.01% |
| Jan. 30, 2026 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | S | Common Stock | 6988 | $83.24 | 132,881.0000 | 158,964,772 | 5.00% | 0.00% |
| Jan. 15, 2026 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | M | Common Stock | 28729 | $0.00 | 139,229.0000 | 158,964,772 | 26.00% | 0.02% |
| Jan. 16, 2026 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | S | Common Stock | 12922 | $75.22 | 126,307.0000 | 158,964,772 | 9.28% | 0.01% |
| Jan. 15, 2026 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | A | Performance Restricted Stock Units | 34360 | $0.00 | 120,995.0000 | 158,964,772 | 39.66% | 0.02% |
| Jan. 15, 2026 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | M | Restricted Stock Unit | 28729 | $0.00 | 55,940.0000 | 158,964,772 | 33.93% | 0.02% |
| Jan. 15, 2026 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | A | Restricted Stock Unit | 12885 | $0.00 | 68,825.0000 | 158,964,772 | 23.03% | 0.01% |
| Jan. 2, 2026 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | A | Non-Qualified Stock Option (right to buy) | 25770 | $0.00 | 25,770.0000 | 158,964,772 | 9999.99% | 0.02% |
| Sept. 30, 2025 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | M | Non-Qualified Stock Option (right to buy) | 49800 | $0.00 | 0.0000 | 158,964,772 | 100.00% | 0.03% |
| Sept. 30, 2025 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | M | Common Stock | 49800 | $53.77 | 160,300.0000 | 158,964,772 | 45.07% | 0.03% |
| Sept. 30, 2025 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | S | Common Stock | 49800 | $65.26 | 110,500.0000 | 158,964,772 | 31.07% | 0.03% |
| June 24, 2025 | Artiva Biotherapeutics, Inc. | $ARTV | HOUGEN ELIZABETH L | Not found | A | Director Stock Option (Right to Buy) | 13750 | $0.00 | 13,750.0000 | 24,363,119 | 9999.99% | 0.06% |
| Jan. 30, 2025 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | A | Common Stock | 4138 | $0.00 | 112,023.0000 | 0 | 3.84% | 0.00% |
| Jan. 31, 2025 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | S | Common Stock | 1523 | $32.44 | 110,500.0000 | 0 | 1.36% | 0.00% |
| Jan. 15, 2025 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | A | Performance Restricted Stock Units | 31000 | $0.00 | 86,635.0000 | 0 | 55.72% | 0.00% |
| Jan. 16, 2025 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | S | Common Stock | 8870 | $32.81 | 107,885.0000 | 0 | 7.60% | 0.00% |
| Jan. 15, 2025 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | M | Common Stock | 23887 | $0.00 | 116,755.0000 | 0 | 25.72% | 0.00% |
| Jan. 15, 2025 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | M | Restricted Stock Unit | 23887 | $0.00 | 84,669.0000 | 0 | 22.00% | 0.00% |
| Jan. 15, 2025 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | A | Restricted Stock Unit | 46500 | $0.00 | 108,556.0000 | 0 | 74.93% | 0.00% |
| Jan. 2, 2025 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | A | Non-Qualified Stock Option (right to buy) | 31000 | $0.00 | 31,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 2, 2024 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | S | Common Stock | 2162 | $49.54 | 92,868.0000 | 0 | 2.28% | 0.00% |
| Feb. 2, 2024 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | S | Common Stock | 2125 | $49.54 | 92,905.0000 | 0 | 2.24% | 0.00% |
| Feb. 1, 2024 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | A | Common Stock | 4140 | $0.00 | 95,030.0000 | 0 | 4.55% | 0.00% |
| Jan. 16, 2024 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | M | Common Stock | 22487 | $0.00 | 99,573.0000 | 0 | 29.17% | 0.00% |
| Jan. 17, 2024 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | S | Common Stock | 8683 | $50.42 | 90,890.0000 | 0 | 8.72% | 0.00% |
| Jan. 16, 2024 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | M | Restricted Stock Unit | 22487 | $0.00 | 62,056.0000 | 0 | 26.60% | 0.00% |
| Jan. 15, 2024 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | A | Performance Restricted Stock Units | 27000 | $0.00 | 55,635.0000 | 0 | 94.29% | 0.00% |
| Jan. 15, 2024 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | A | Restricted Stock Unit | 32400 | $0.00 | 84,543.0000 | 0 | 62.14% | 0.00% |
| Jan. 2, 2024 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | A | Non-Qualified Stock Option (right to buy) | 43200 | $0.00 | 43,200.0000 | 0 | 9999.99% | 0.00% |
| Dec. 28, 2023 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | F | Common Stock | 43798 | $50.50 | 77,086.0000 | 0 | 36.23% | 0.00% |
| Dec. 28, 2023 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | M | Common Stock | 45225 | $47.34 | 120,884.0000 | 0 | 59.77% | 0.00% |
| Dec. 28, 2023 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | M | Non-Qualified Stock Option (right to buy) | 45225 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 28, 2023 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | J | Common Stock | 163 | $30.52 | 75,659.0000 | 0 | 0.22% | 0.00% |
| Feb. 3, 2023 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | A | Common Stock | 4140 | $0.00 | 77,575.0000 | 0 | 5.64% | 0.00% |
| Feb. 6, 2023 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | S | Common Stock | 2079 | $40.59 | 75,496.0000 | 0 | 2.68% | 0.00% |
| Jan. 17, 2023 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | M | Restricted Stock Unit | 23154 | $0.00 | 52,143.0000 | 0 | 30.75% | 0.00% |
| Jan. 18, 2023 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | S | Common Stock | 8280 | $39.70 | 73,435.0000 | 0 | 10.13% | 0.00% |
| Jan. 17, 2023 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | M | Common Stock | 23154 | $0.00 | 81,715.0000 | 0 | 39.54% | 0.00% |
| Jan. 15, 2023 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | A | Restricted Stock Unit | 19460 | $0.00 | 75,297.0000 | 0 | 34.85% | 0.00% |
| Jan. 15, 2023 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | A | Performance Restricted Stock Units | 16216 | $0.00 | 28,635.0000 | 0 | 130.57% | 0.00% |
| Jan. 3, 2023 | IONIS PHARMACEUTICALS INC | $IONS | HOUGEN ELIZABETH L | EVP, Finance & CFO | A | Non-Qualified Stock Option (right to buy) | 25946 | $0.00 | 25,946.0000 | 0 | 9999.99% | 0.00% |