Devers Shannon L. Insider Trading Activity
Devers Shannon L. has been net-selling over the last 12 months with 0 purchases and 15 sales across 1 company.
IONS is the most-traded position with 15 trades. The largest single transaction was a sale of IONS for $2.2M on Jan 7, 2026.
Performance Scorecard
Forward stock performance after each transaction by Devers Shannon L.. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -0.8% | 40% | 15 |
| 90 days | — | +2.0% | 67% | 15 |
| 120 days | — | +1.8% | 71% | 14 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersIONS · IONIS PHARMACEUTICALS INC
🔒 Subscribe to see trade entries
Pro members see exactly when Devers Shannon L. bought and sold IONS.
Upgrade to ProRecent Trades
| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Apr 2, 2026 | IONS | Sell | 6,193 | $74.05 | $459K | −27.5% | VP | |
Mar 3, 2026 | IONS | Sell | 14,321 | $79.11 | $1.1M | −33.6% | VP | |
Mar 3, 2026 | IONS | Sell | 5,030 | $80.00 | $402K | −17.8% | VP | |
Mar 3, 2026 | IONS | Sell | 755 | $80.84 | $61K | −3.2% | VP | |
Jan 22, 2026 | IONS | Sell | 3,977 | $81.34 | $323K | −15.0% | VP | |
Jan 16, 2026 | IONS | Sell | 8,353 | $75.95 | $634K | −24.0% | VP | |
Jan 7, 2026 | IONS | Sell | 2,101 | $85.36 | $179K | −10.7% | VP | |
Jan 7, 2026 | IONS | Sell | 25,545 | $85.36 | $2.2M | −59.4% | VP | |
Jan 7, 2026 | IONS | Sell | 3,460 | $84.62 | $293K | −16.5% | VP | |
Jan 7, 2026 | IONS | Sell | 3,829 | $84.62 | $324K | −18.0% | VP | |
Jan 7, 2026 | IONS | Sell | 9,264 | $84.62 | $784K | −34.6% | VP | |
Nov 25, 2025 Filed 3d late | IONS | Sell | 16,777 | $80.91 | $1.4M | −49.0% | VP | |
Oct 16, 2025 | IONS | Sell | 1,263 | $73.62 | $93K | −6.7% | VP | |
Oct 15, 2025 | IONS | Sell | 6,000 | $72.94 | $438K | −27.4% | VP | |
Sep 3, 2025 | IONS | Sell | 3,162 | $61.02 | $193K | −17.4% | VP |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| IONS | IONIS PHARMACEUTICALS INC | 15 | $8.9M |
Other insiders at IONIS PHARMACEUTICALS INC
10 other tracked filers at IONS.