Artiva CMO sells 429 shares after option exercise
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Form Type
4
Rhea-AI Filing Summary
Artiva Biotherapeutics, Inc. (ARTV) reported that Chief Medical Officer Subhashis Banerjee exercised employee stock options for 429 shares of common stock at an exercise price of $1.92 per share and immediately sold 429 shares of common stock at $12.00 per share on 2026-08-18. Following the option exercise, Banerjee held 79,571 stock options. The transactions occurred pursuant to a Rule 10b5-1 Plan adopted on May 14, 2026. The option grant vested 25% on April 8, 2026, with the remaining shares vesting monthly over the following 36 months.
Insider Trade Summary 10b5-1
Exercise and Sale: 429 shares ($4K approx. pre-tax spread)
Exercise and Sale
3 txns
Insider
Banerjee Subhashis
Role
Chief Medical Officer
Sold
429 shs ($5K)
Approx. gross sale proceeds
$5K
Approx. exercise cost
$823.68
Approx. pre-tax spread
$4K
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Employee Stock Option (Right to Buy) F1, F2 | 429 | $0.00 | $0.00 |
| Exercise | Common Stock F1 | 429 | $1.92 | $823.68 |
| Sale | Common Stock F1 | 429 | $12.00 | $5K |
Holdings After Transaction:
Employee Stock Option (Right to Buy) — 79,571 contracts (Direct);
Common Stock — 144,963 shares (Direct)
Footnotes (2)
- F1. The reported transactions occurred pursuant to a Rule 10b5-1 Plan adopted by the reporting person on May 14, 2026.
- F2. 25% of the shares initially subject to the option vested and became exercisable on April 8, 2026, and the balance of the shares subject to the option are vesting and becoming exercisable at a rate of 1/36th per month over the following 36 months.
Key Figures
Options Exercised: 429 shares
Exercise Price: $1.92 per share
Sale Price: $12.00 per share
+5 more
8 metrics
Options Exercised
429 shares
Employee stock options exercised into common stock on 2026-08-18
Exercise Price
$1.92 per share
Exercise price of employee stock options converted on 2026-08-18
Sale Price
$12.00 per share
Price for sale of 429 ARTV common shares on 2026-08-18
Shares Sold
429 shares
Common stock sold in open market or private transaction on 2026-08-18
Options Held After Transaction
79,571 shares
Total stock options remaining after the reported exercise
Initial Vesting Date
April 8, 2026
Date when 25% of the option grant vested and became exercisable
Vesting Schedule Duration
36 months
Remaining option shares vest 1/36th per month over this period
Rule 10b5-1 Plan Adoption Date
May 14, 2026
Date the reporting person adopted the trading plan governing these transactions
Key Terms
Rule 10b5-1 Plan, Employee Stock Option, vested and became exercisable, derivative security
4 terms
Rule 10b5-1 Plan regulatory
"The reported transactions occurred pursuant to a Rule 10b5-1 Plan adopted"
A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.
Employee Stock Option financial
"security_title: Employee Stock Option (Right to Buy)"
An employee stock option is a promise that lets a worker buy company shares later at a predetermined price, often after they stay for a certain period or meet performance goals — think of it like a coupon that locks in today's price for a future purchase. It matters to investors because options align employees’ incentives with company performance, can increase the number of shares outstanding (dilution) when exercised, and represent a compensation cost that affects reported profits and shareholder value.
vested and became exercisable financial
"25% of the shares initially subject to the option vested and became exercisable"
derivative security financial
"transaction_code_description: Exercise or conversion of derivative security"
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What insider transaction did ARTV’s Chief Medical Officer report on this Form 4?
ARTV’s Chief Medical Officer Subhashis Banerjee exercised 429 stock options at $1.92 per share and sold 429 common shares at $12.00 per share on 2026-08-18 under a Rule 10b5-1 Plan.
How many stock options does ARTV’s Subhashis Banerjee hold after the reported transactions?
After the reported Form 4 transactions, Subhashis Banerjee holds 79,571 stock options. These options stem from a grant that vested 25% on April 8, 2026, with the balance vesting monthly over the subsequent 36 months.
Were ARTV insider transactions on this Form 4 made under a Rule 10b5-1 trading plan?
Yes. The Form 4 states the transactions occurred pursuant to a Rule 10b5-1 Plan that Subhashis Banerjee adopted on May 14, 2026, indicating a pre-arranged trading program for these trades.
What are the vesting terms of the ARTV stock options exercised by Subhashis Banerjee?
The option grant vested 25% and became exercisable on April 8, 2026, with the remaining shares vesting and becoming exercisable at 1/36th per month over the following 36 months, as described in the Form 4 footnote.
AI-generated analysis. How Rhea-AI works. Not financial advice.
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