RA Capital buys 548,580 Artiva shares at $7.91
Artiva Biotherapeutics, Inc. insider filing shows affiliated RA Capital funds buying additional common stock in open-market transactions.
Rhea-AI Filing Summary
Artiva Biotherapeutics, Inc. insider filing shows affiliated RA Capital funds buying additional common stock in open-market transactions. Entities managed by RA Capital purchased a total of 1,027,722 Artiva shares between June 9 and June 11, 2026 at prices around $6.91–$7.91 per share.
After these indirect purchases through RA Capital-managed vehicles, the reporting group is shown holding 16,231,717 shares of Artiva common stock. Footnotes state the adviser and related parties disclaim beneficial ownership except to the extent of their pecuniary interest.
Positive
- None.
Negative
- None.
Insider Trade Summary
Net Buyer: 1,027,722 shares
Net Buy
6 txns
Insider
RA CAPITAL MANAGEMENT, L.P., RA Capital Healthcare Fund LP, RA Capital Nexus Fund, L.P., RA Capital Nexus Fund III, L.P., Kolchinsky Peter, Shah Rajeev M.
Role
Director, 10% Owner | Director, 10% Owner | Director | Director | Director, 10% Owner | Director, 10% Owner
Bought
1,027,722 shs ($7.65M)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Purchase | Common Stock | 548,580 | $7.91 | $4.34M |
| Purchase | Common Stock | 103 | $7.00 | $721.00 |
| Purchase | Common Stock | 479,039 | $6.91 | $3.31M |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
Holdings After Transaction:
Common Stock — 17,391,440 shares (Indirect, See footnotes)
Footnotes (7)
- F1. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.77 to $7.00 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
- F2. RA Capital Management, L.P. (the "Adviser") is the investment manager for RA Capital Healthcare Fund, L.P. (the "Fund"), RA Capital Nexus Fund, L.P. (the "Nexus Fund"), RA Capital Nexus III Fund, L.P. (the "Nexus Fund III"), and a separately managed account (the "Account"). The general partner of the Adviser is RA Capital Management GP, LLC (the "Adviser GP"), of which Dr. Peter Kolchinsky and Mr. Rajeev Shah are the managing members. The Adviser, the Adviser GP, the Fund, the Nexus Fund, the Nexus Fund III, Dr. Kolchinsky and Mr. Shah disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein.
- F3. Held directly by the Fund.
- F4. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $7.605 to $8.00 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
- F5. Held directly by the Nexus Fund.
- F6. Held directly by Nexus Fund III.
- F7. Held directly by the Account.
Key Figures
Total shares purchased: 1,027,722 shares
Shares purchased on June 11, 2026: 548,580 shares
Shares purchased on June 9, 2026: 479,039 shares
+4 more
7 metrics
Total shares purchased
1,027,722 shares
Open-market buys in transactionSummary
Shares purchased on June 11, 2026
548,580 shares
Common stock at $7.91 per share
Shares purchased on June 9, 2026
479,039 shares
Common stock at $6.91 per share
Small purchase on June 10, 2026
103 shares
Common stock at $7.00 per share
Post-transaction indirect holdings
16,231,717 shares
Common stock following June 11 transaction
Price range footnote 1
$6.77–$7.00
Weighted average range for certain purchases
Price range footnote 2
$7.605–$8.00
Weighted average range for certain purchases
Key Terms
weighted average price, indirect, beneficial ownership, pecuniary interest, +1 more
5 terms
weighted average price financial
"The price reported in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
indirect financial
"total_shares_following_transaction ... ownership_type: indirect"
beneficial ownership financial
"disclaim beneficial ownership of any of the reported securities"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
pecuniary interest financial
"except to the extent of their pecuniary interest therein"
separately managed account financial
"and a separately managed account (the "Account")"
A separately managed account (SMA) is a personalized investment portfolio owned by a single investor and run by a professional manager who buys and sells securities on that investor’s behalf. It matters to investors because an SMA offers tailored asset selection, tax handling, and transparency—like hiring a personal chef who prepares meals to your dietary needs rather than sharing a set menu—so you can align holdings with your goals and see exactly what you own.
AI-generated analysis. How Rhea-AI works. Not financial advice.
