RA CAPITAL MANAGEMENT, L.P.
21 Form 4 · free tier: 48h delay
Recent Form 4 slice from EDGAR — up to 30 filings (not a full archive).
For informational purposes only. Not investment advice. Data is aggregated from public SEC and congressional disclosures. Nothing on this site is a recommendation to buy or sell any security. Public disclosure of a trade is not evidence of wrongdoing or insider trading.
Recent Form 4 trades
Open-market purchases and sales
Sionna Therapeutics, Inc.
SION · Trade · Sep 17, 2026 · Filed · Sep 21, 2026 · filed 4 days after trade
$21,835,018
3,448,811 sh · 2 tx
Septerna, Inc.
SEPN · Trade · Aug 12, 2026 · Filed · Aug 14, 2026 · filed 2 days after trade
$31,726,250
746,500 sh
Artiva Biotherapeutics, Inc.
ARTV · Trade · Jul 31, 2026 · Filed · Jul 31, 2026
$247,694
24,944 sh
Artiva Biotherapeutics, Inc.
ARTV · Trade · Jul 29, 2026 · Filed · Jul 31, 2026 · filed 2 days after trade
$208,032
20,824 sh
Artiva Biotherapeutics, Inc.
ARTV · Trade · Jul 24, 2026 · Filed · Jul 28, 2026 · filed 4 days after trade
$412,777
41,319 sh
Artiva Biotherapeutics, Inc.
ARTV · Trade · Jul 23, 2026 · Filed · Jul 23, 2026
$596,405
59,880 sh
Artiva Biotherapeutics, Inc.
ARTV · Trade · Jul 22, 2026 · Filed · Jul 23, 2026
$835,351
84,124 sh
Parabilis Medicines, Inc.
PBLS · Trade · Jul 22, 2026 · Filed · Jul 22, 2026
$1,406,633
47,250 sh
Artiva Biotherapeutics, Inc.
ARTV · Trade · Jul 21, 2026 · Filed · Jul 23, 2026 · filed 2 days after trade
$1,151,558
120,582 sh
Parabilis Medicines, Inc.
PBLS · Trade · Jul 21, 2026 · Filed · Jul 22, 2026
$1,928,032
65,923 sh · 3 tx
Parabilis Medicines, Inc.
PBLS · Trade · Jul 20, 2026 · Filed · Jul 22, 2026 · filed 2 days after trade
$3,584,887
131,420 sh · 2 tx
Artiva Biotherapeutics, Inc.
ARTV · Trade · Jul 17, 2026 · Filed · Jul 20, 2026 · filed 3 days after trade
$70,544
7,882 sh
Artiva Biotherapeutics, Inc.
ARTV · Trade · Jul 16, 2026 · Filed · Jul 20, 2026 · filed 4 days after trade
$1,361,575
152,472 sh
Vor Biopharma Inc.
VOR · Trade · Jul 16, 2026 · Filed · Jul 21, 2026 · filed 5 days after trade
$4,207
213 sh
Artiva Biotherapeutics, Inc.
ARTV · Trade · Jul 13, 2026 · Filed · Jul 23, 2026 · filed 10 days after trade
$116,882
13,074 sh · 2 tx
Artiva Biotherapeutics, Inc.
ARTV · Trade · Jul 10, 2026 · Filed · Jul 14, 2026 · filed 4 days after trade
$135,465
15,102 sh