RA Capital Management, L.P. Insider Trading Activity

Institutional FilerDirector · CIK 1346824

147

Total trades

$624.2M

Total volume

Jul 22, 2026

Last activity

SION

Sionna Therapeutics, Inc.

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.

PERIODAVG BUY RETURNAVG SELL AVOIDEDSUCCESS RATETRADES
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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Recent Trades

Showing the 50 most recent of 147 disclosed trades.

DATETICKERTYPESHARESPRICEVALUEΔ OWNEDROLEFILING
Jul 22, 2026
PBLSBuy47,250$29.77$1.4M+0.2%Director
Jul 21, 2026
PBLSBuy37,723$30.00$1.1M+0.1%Director
Jul 21, 2026
PBLSBuy6,504$29.17$190K+0.0%Director
Jul 21, 2026
PBLSBuy21,696$27.96$607K+0.1%Director
Jul 20, 2026
PBLSBuy32,987$27.72$914K+0.1%Director
Jul 20, 2026
PBLSBuy98,433$27.13$2.7M+0.4%Director
Jul 16, 2026
Filed 3d late
VORSell213$19.75$4K−0.0%10%+ Owner
Jul 13, 2026
ARTVBuy6,552$8.94$59K+0.0%Director
Jul 10, 2026
ARTVBuy15,102$8.97$135K+0.1%Director
May 20, 2026
COAGBuy996$24.94$25K+0.0%10%+ Owner
May 19, 2026
COAGBuy3,802$24.97$95K+0.1%10%+ Owner
May 12, 2026
COAGBuy6,387$24.90$159K+0.1%10%+ Owner
May 12, 2026
HOWLSell6,719$0.64$4K−1.6%10%+ Owner
May 12, 2026
HOWLSell94,432$0.64$60K−1.6%10%+ Owner
May 11, 2026
COAGBuy25,720$25.00$643K+0.4%10%+ Owner
May 11, 2026
HOWLSell81,678$0.67$55K−1.4%10%+ Owner
May 11, 2026
COAGBuy14,149$24.47$346K+0.2%10%+ Owner
May 11, 2026
ARTVBuy6,510,416$11.52$75.0M+74.9%Director
May 11, 2026
HOWLSell5,812$0.67$4K−1.4%10%+ Owner
May 8, 2026
COAGBuy1,483$24.98$37K+0.0%10%+ Owner
May 8, 2026
HOWLSell25,012$0.71$18K−5.6%10%+ Owner
May 8, 2026
HOWLSell351,514$0.71$250K−5.6%10%+ Owner
May 7, 2026
COAGBuy1,985$24.95$50K+0.0%10%+ Owner
May 7, 2026
COAGBuy7,921$24.34$193K+0.1%10%+ Owner
May 6, 2026
COAGBuy14,611$23.77$347K+0.2%Director
May 6, 2026
COAGBuy53,407$24.83$1.3M+0.9%Director
May 5, 2026
COAGBuy10,268$25.00$257K+0.2%Director
May 5, 2026
COAGBuy87,143$24.59$2.1M+1.4%Director
May 4, 2026
COAGBuy133,750$18.00$2.4M+60.5%Director
May 4, 2026
COAGBuy2,541,250$18.00$45.7M+70.4%Director
Apr 22, 2026
VORSell165,150$15.77$2.6M−6.4%Director
Apr 20, 2026
VORSell171,963$15.77$2.7M−6.3%Director
Apr 17, 2026
VORSell458,411$16.28$7.5M−14.3%Director
Apr 15, 2026
VORSell53,644$16.01$859K−1.6%Director
Apr 14, 2026
VORSell153,735$15.97$2.5M−4.5%Director
Apr 13, 2026
VORSell530,610$16.15$8.6M−13.5%Director
Apr 10, 2026
VORSell828$15.75$13K−0.0%Director
Apr 9, 2026
VORSell135,201$16.59$2.2M−3.3%Director
Apr 8, 2026
VORSell353,242$16.32$5.8M−7.8%Director
Apr 8, 2026
VORSell130,862$16.91$2.2M−3.1%Director
Apr 6, 2026
VORSell6,775$18.50$125K−0.1%Director
Apr 6, 2026
VORSell44,728$17.31$774K−1.0%Director
Apr 6, 2026
VORSell537,754$16.51$8.9M−10.5%Director
Apr 2, 2026
VORSell258,475$18.23$4.7M−4.8%Director
Apr 2, 2026
VORSell1,525$19.06$29K−0.0%Director
Mar 30, 2026
WVEBuy971,091$6.50$6.3M+3.7%Director
Mar 30, 2026
MLYSBuy58,300$24.16$1.4M+1.0%Director
Mar 27, 2026
WVEBuy2,495,623$6.43$16.0M+10.6%Director
Mar 27, 2026
MLYSBuy310,700$23.67$7.4M+5.7%Director
Mar 26, 2026
WVEBuy351,224$6.38$2.2M+1.5%Director

Top Companies Traded

TICKERCOMPANYTRADESTOTAL VOLUME
VORVor Biopharma Inc.44$83.1M
SIONSionna Therapeutics, Inc.44$21.5M
COAGHemab Therapeutics Holdings, Inc.14$53.8M
HOWLWerewolf Therapeutics, Inc.6$391K
TYRATyra Biosciences, Inc.6$15.3M
PBLSParabilis Medicines, Inc.6$6.9M
WVEWave Life Sciences Ltd.5$54.6M
FULCFulcrum Therapeutics, Inc.3$58.4M
MLYSMineralys Therapeutics, Inc.3$38.8M
CLYMClimb Bio, Inc.3$780K

Other insiders at Sionna Therapeutics, Inc.

6 other tracked filers at SION.