Arthur F Ryan Insider Trading Activity
Arthur F Ryan has been net-selling over the last 12 months with 0 purchases and 32 sales across 1 company.
REGN is the most-traded position with 32 trades. The largest single transaction was a sale of REGN for $44K on Feb 9, 2026.
Performance Scorecard
Forward stock performance after each transaction by Arthur F Ryan. 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 | — | +6.9% | 100% | 32 |
| 90 days | — | +16.4% | 100% | 15 |
| 120 days | — | — | — | — |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersREGN · REGENERON PHARMACEUTICALS, INC.
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | ROLE |
|---|---|---|---|---|---|---|
| May 1, 2026 | REGN | Sell | 5 | $701.76 | $4K | Director |
| May 1, 2026 | REGN | Sell | 15 | $702.46 | $11K | Director |
| May 1, 2026 | REGN | Sell | 24 | $703.46 | $17K | Director |
| May 1, 2026 | REGN | Sell | 14 | $705.56 | $10K | Director |
| May 1, 2026 | REGN | Sell | 7 | $706.74 | $5K | Director |
| May 1, 2026 | REGN | Sell | 4 | $707.40 | $3K | Director |
| May 1, 2026 | REGN | Sell | 6 | $709.45 | $4K | Director |
| May 1, 2026 | REGN | Sell | 2 | $710.87 | $1K | Director |
| May 1, 2026 | REGN | Sell | 1 | $712.09 | $712.09 | Director |
| Apr 1, 2026 | REGN | Sell | 1 | $771.32 | $771.32 | Director |
| Apr 1, 2026 | REGN | Sell | 3 | $772.76 | $2K | Director |
| Apr 1, 2026 | REGN | Sell | 8 | $773.59 | $6K | Director |
| Apr 1, 2026 | REGN | Sell | 14 | $775.58 | $11K | Director |
| Apr 1, 2026 | REGN | Sell | 13 | $776.62 | $10K | Director |
| Apr 1, 2026 | REGN | Sell | 9 | $777.42 | $7K | Director |
| Apr 1, 2026 | REGN | Sell | 4 | $778.24 | $3K | Director |
| Apr 1, 2026 | REGN | Sell | 40 | $779.71 | $31K | Director |
| Mar 2, 2026 | REGN | Sell | 7 | $777.46 | $5K | Director |
| Mar 2, 2026 | REGN | Sell | 2 | $778.30 | $2K | Director |
| Mar 2, 2026 | REGN | Sell | 5 | $779.69 | $4K | Director |
| Mar 2, 2026 | REGN | Sell | 3 | $780.69 | $2K | Director |
| Mar 2, 2026 | REGN | Sell | 10 | $783.62 | $8K | Director |
| Mar 2, 2026 | REGN | Sell | 9 | $784.48 | $7K | Director |
| Mar 2, 2026 | REGN | Sell | 11 | $785.48 | $9K | Director |
| Mar 2, 2026 | REGN | Sell | 20 | $788.96 | $16K | Director |
| Feb 9, 2026 | REGN | Sell | 1 | $775.63 | $775.63 | Director |
| Feb 9, 2026 | REGN | Sell | 10 | $776.59 | $8K | Director |
| Feb 9, 2026 | REGN | Sell | 57 | $777.56 | $44K | Director |
| Feb 9, 2026 | REGN | Sell | 12 | $778.53 | $9K | Director |
| Feb 9, 2026 | REGN | Sell | 5 | $779.41 | $4K | Director |
| Feb 9, 2026 | REGN | Sell | 3 | $783.34 | $2K | Director |
| Feb 9, 2026 | REGN | Sell | 2 | $786.29 | $2K | Director |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| REGN | REGENERON PHARMACEUTICALS, INC. | 32 | $249K |
Other insiders at REGENERON PHARMACEUTICALS, INC.
3 other tracked filers at REGN.