Form 4: Artiva Biotherapeutics Executive Sells Shares
Insider Transaction (Form 4)
Subhashis Banerjee, Chief Medical Officer of Artiva Biotherapeutics, Inc., sold 429 shares of common stock on August 18, 2026 for $12.00 per share.
Summary
- Option exercise/conversion: acquired 429 Common Stock at $1.92 ($824) on August 18, 2026; holds 145,392 after (Direct).
- Open-market sale: disposed of 429 Common Stock at $12.00 ($5,148) on August 18, 2026; holds 144,963 after (Direct).
- Option exercise/conversion: disposed of 429 Employee Stock Option (Right to Buy) on August 18, 2026; holds 79,571 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $5,148 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Subhashis Banerjee — Officer (Chief Medical Officer)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-18 | Option exercise/conversion | Common Stock | 429 | $2 | $824 | 145,392 |
| 2026-08-18 | Open-market sale | Common Stock | 429 | $12 | $5.1K | 144,963 |
| 2026-08-18 | Option exercise/conversion | Employee Stock Option (Right to Buy) | 429 | — | — | 79,571 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-18 | Option exercise/conversion (429 shares) |
| 2026-08-18 | Open-market sale (429 shares) |
| 2026-08-18 | Option exercise/conversion (429 shares) |
Keywords
insider transaction, Form 4, ARTV, Artiva Biotherapeutics, Inc., bearish, Subhashis Banerjee
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