Transaction · 0001193125-26-357383

Banerjee Subhashis

Banerjee Subhashis, CMO, reported a transaction classified as exercise at Artiva Biotherapeutics, Inc. involving 429.000000 shares for an estimated $0.00. Reported holdings after the transaction were 79571.000000 shares. The stored filing text includes a detected 10b5-1 reference.

exerciseSEC transaction code MCMO
ARTVArtiva Biotherapeutics, Inc.
Filing timeAug 20
Trade dateAug 18, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$11.14
Pre-filing
1mo ago -12.4%1w ago +5.7%1d ago +5.4%
Returns since
7d +7.2%30d +1.3%90d +1.3%180d +1.3%1y +1.3%

ARTV price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
ARTV since 2026-08-20Filed 15 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
exercise
Code M
Identifier
0001193125-26-357383
Employee Stock Option (Right to Buy)
Transaction date
Aug 18, 2026
Filed Aug 20, 2026, 01:00 AM · 2d delay
Shares
429 sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
79.5k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Derivative Transaction Direct Ownership 10b5-1 Detected
-16score
Filing-only score

-16

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Medical Officer

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    The reported transactions occurred pursuant to a Rule 10b5-1 Plan adopted by the reporting person on May 14, 2026.

  2. 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…

Original filing · 0001193125-26-357383
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