Ra Capital Management, L.P.: insider buys
Every open-market stock purchase reported by Ra Capital Management, L.P. to the SEC on Form 4.
Total bought$88.45M
Purchases7
Companies6
Last purchase filedJul 22, 2026
Return on these buys-40%
Ra Capital Management, L.P. has made 7 open-market purchases worth $88.45M in 6 companies since Nov 12, 2025, according to SEC Form 4 filings. The most recent was filed on Jul 22, 2026: 244,593 shares of PBLS at $28.29 (Director, 10% Owner), worth $6.92M. The largest was $54.62M of WVE on Mar 26, 2026. Taken together, these purchases are down 40% at the latest closing prices (split-adjusted, weighted by amount).
Companies Ra Capital Management, L.P. bought
| Ticker | Company | Role | Buys | Total | Since buy | Last filed |
|---|---|---|---|---|---|---|
| WVE | Wave Life Sciences Ltd. | Director, 10% Owner | 1 | $54.62M | -42% | Mar 30 |
| EVMN | Evommune, Inc. | Director, 10% Owner | 1 | $20M | -58% | Nov 12 |
| PBLS | Parabilis Medicines, Inc. | Director, 10% Owner | 1 | $6.92M | +0.1% | Jul 22 |
| BCAX | Bicara Therapeutics Inc. | Director, 10% Owner | 1 | $4.80M | -43% | Mar 2 |
| COAG | Hemab Therapeutics Holdings, Inc. | 10% Owner | 2 | $1.81M | +66% | Jun 17 |
| ARTV | Artiva Biotherapeutics, Inc. | Director, 10% Owner | 1 | $292.13K | -53% | Jun 29 |
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| Filed | Stock | Insider | Value | Shares | Price | Since buy | Stake | Trade | |
|---|---|---|---|---|---|---|---|---|---|
| Jul 22 | PBLSParabilis Medicines, Inc. | Ra Capital Management, L.P. +4Director, 10% Owner | $6.92M | 244,593 | $28.29 | +0.1% | +1% | Jul 20 | SEC |
| Jun 29 | ARTVArtiva Biotherapeutics, Inc. | Ra Capital Management, L.P. +5Director, 10% Owner | $292.13K | 32,876 | $8.89 | -53% | +0% | Jun 25 | SEC |
| Jun 17 | COAGHemab Therapeutics Holdings… | Ra Capital Management, L.P. +310% Owner | $1.69M | 67,669 | $24.97 | +66% | +1% | Jun 15 | SEC |
| May 21 | COAGHemab Therapeutics Holdings… | Ra Capital Management, L.P. +310% Owner | $119.78K | 4,798 | $24.96 | +66% | +0% | May 19 | SEC |
| Mar 30 | WVEWave Life Sciences Ltd. | Ra Capital Management, L.P. +3Director, 10% Owner | $54.62M | 8,772,496 | $6.23 | -42% | +61% | Mar 26 | SEC |
| Mar 2 | BCAXBicara Therapeutics Inc. | Ra Capital Management, L.P. +4Director, 10% Owner | $4.80M | 300,000 | $16.00 | -43% | +7% | Feb 26 | SEC |
| Nov 12 | EVMNEvommune, Inc. | Ra Capital Management, L.P.Director, 10% Owner | $20M | 1,250,000 | $16.00 | -58% | — | Nov 7 | SEC |