RA Capital Management, L.P. Insider Trading Activity
RA Capital Management, L.P., an institutional filer, recorded 140 transactions over the last 12 months across 15 companies totaling $508.9M.
Activity concentrated in SION with 44 filings. The largest single transaction was a purchase of ARTV for $75.0M on May 11, 2026.
Performance Scorecard
Forward stock performance after each transaction by RA Capital Management, L.P.. 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 | +22.2% | +21.5% | 61% | 138 |
| 90 days | +40.7% | +15.9% | 78% | 117 |
| 120 days | +70.9% | +27.9% | 100% | 96 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
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Showing the 50 most recent of 147 disclosed trades.
| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Jul 22, 2026 | PBLS | Buy | 47,250 | $29.77 | $1.4M | +0.2% | Director | |
Jul 21, 2026 | PBLS | Buy | 37,723 | $30.00 | $1.1M | +0.1% | Director | |
Jul 21, 2026 | PBLS | Buy | 6,504 | $29.17 | $190K | +0.0% | Director | |
Jul 21, 2026 | PBLS | Buy | 21,696 | $27.96 | $607K | +0.1% | Director | |
Jul 20, 2026 | PBLS | Buy | 32,987 | $27.72 | $914K | +0.1% | Director | |
Jul 20, 2026 | PBLS | Buy | 98,433 | $27.13 | $2.7M | +0.4% | Director | |
Jul 16, 2026 Filed 3d late | VOR | Sell | 213 | $19.75 | $4K | −0.0% | 10%+ Owner | |
Jul 13, 2026 | ARTV | Buy | 6,552 | $8.94 | $59K | +0.0% | Director | |
Jul 10, 2026 | ARTV | Buy | 15,102 | $8.97 | $135K | +0.1% | Director | |
May 20, 2026 | COAG | Buy | 996 | $24.94 | $25K | +0.0% | 10%+ Owner | |
May 19, 2026 | COAG | Buy | 3,802 | $24.97 | $95K | +0.1% | 10%+ Owner | |
May 12, 2026 | COAG | Buy | 6,387 | $24.90 | $159K | +0.1% | 10%+ Owner | |
May 12, 2026 | HOWL | Sell | 6,719 | $0.64 | $4K | −1.6% | 10%+ Owner | |
May 12, 2026 | HOWL | Sell | 94,432 | $0.64 | $60K | −1.6% | 10%+ Owner | |
May 11, 2026 | COAG | Buy | 25,720 | $25.00 | $643K | +0.4% | 10%+ Owner | |
May 11, 2026 | HOWL | Sell | 81,678 | $0.67 | $55K | −1.4% | 10%+ Owner | |
May 11, 2026 | COAG | Buy | 14,149 | $24.47 | $346K | +0.2% | 10%+ Owner | |
May 11, 2026 | ARTV | Buy | 6,510,416 | $11.52 | $75.0M | +74.9% | Director | |
May 11, 2026 | HOWL | Sell | 5,812 | $0.67 | $4K | −1.4% | 10%+ Owner | |
May 8, 2026 | COAG | Buy | 1,483 | $24.98 | $37K | +0.0% | 10%+ Owner | |
May 8, 2026 | HOWL | Sell | 25,012 | $0.71 | $18K | −5.6% | 10%+ Owner | |
May 8, 2026 | HOWL | Sell | 351,514 | $0.71 | $250K | −5.6% | 10%+ Owner | |
May 7, 2026 | COAG | Buy | 1,985 | $24.95 | $50K | +0.0% | 10%+ Owner | |
May 7, 2026 | COAG | Buy | 7,921 | $24.34 | $193K | +0.1% | 10%+ Owner | |
May 6, 2026 | COAG | Buy | 14,611 | $23.77 | $347K | +0.2% | Director | |
May 6, 2026 | COAG | Buy | 53,407 | $24.83 | $1.3M | +0.9% | Director | |
May 5, 2026 | COAG | Buy | 10,268 | $25.00 | $257K | +0.2% | Director | |
May 5, 2026 | COAG | Buy | 87,143 | $24.59 | $2.1M | +1.4% | Director | |
May 4, 2026 | COAG | Buy | 133,750 | $18.00 | $2.4M | +60.5% | Director | |
May 4, 2026 | COAG | Buy | 2,541,250 | $18.00 | $45.7M | +70.4% | Director | |
Apr 22, 2026 | VOR | Sell | 165,150 | $15.77 | $2.6M | −6.4% | Director | |
Apr 20, 2026 | VOR | Sell | 171,963 | $15.77 | $2.7M | −6.3% | Director | |
Apr 17, 2026 | VOR | Sell | 458,411 | $16.28 | $7.5M | −14.3% | Director | |
Apr 15, 2026 | VOR | Sell | 53,644 | $16.01 | $859K | −1.6% | Director | |
Apr 14, 2026 | VOR | Sell | 153,735 | $15.97 | $2.5M | −4.5% | Director | |
Apr 13, 2026 | VOR | Sell | 530,610 | $16.15 | $8.6M | −13.5% | Director | |
Apr 10, 2026 | VOR | Sell | 828 | $15.75 | $13K | −0.0% | Director | |
Apr 9, 2026 | VOR | Sell | 135,201 | $16.59 | $2.2M | −3.3% | Director | |
Apr 8, 2026 | VOR | Sell | 353,242 | $16.32 | $5.8M | −7.8% | Director | |
Apr 8, 2026 | VOR | Sell | 130,862 | $16.91 | $2.2M | −3.1% | Director | |
Apr 6, 2026 | VOR | Sell | 6,775 | $18.50 | $125K | −0.1% | Director | |
Apr 6, 2026 | VOR | Sell | 44,728 | $17.31 | $774K | −1.0% | Director | |
Apr 6, 2026 | VOR | Sell | 537,754 | $16.51 | $8.9M | −10.5% | Director | |
Apr 2, 2026 | VOR | Sell | 258,475 | $18.23 | $4.7M | −4.8% | Director | |
Apr 2, 2026 | VOR | Sell | 1,525 | $19.06 | $29K | −0.0% | Director | |
Mar 30, 2026 | WVE | Buy | 971,091 | $6.50 | $6.3M | +3.7% | Director | |
Mar 30, 2026 | MLYS | Buy | 58,300 | $24.16 | $1.4M | +1.0% | Director | |
Mar 27, 2026 | WVE | Buy | 2,495,623 | $6.43 | $16.0M | +10.6% | Director | |
Mar 27, 2026 | MLYS | Buy | 310,700 | $23.67 | $7.4M | +5.7% | Director | |
Mar 26, 2026 | WVE | Buy | 351,224 | $6.38 | $2.2M | +1.5% | Director |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| VOR | Vor Biopharma Inc. | 44 | $83.1M |
| SION | Sionna Therapeutics, Inc. | 44 | $21.5M |
| COAG | Hemab Therapeutics Holdings, Inc. | 14 | $53.8M |
| HOWL | Werewolf Therapeutics, Inc. | 6 | $391K |
| TYRA | Tyra Biosciences, Inc. | 6 | $15.3M |
| PBLS | Parabilis Medicines, Inc. | 6 | $6.9M |
| WVE | Wave Life Sciences Ltd. | 5 | $54.6M |
| FULC | Fulcrum Therapeutics, Inc. | 3 | $58.4M |
| MLYS | Mineralys Therapeutics, Inc. | 3 | $38.8M |
| CLYM | Climb Bio, Inc. | 3 | $780K |
Other insiders at Sionna Therapeutics, Inc.
6 other tracked filers at SION.