Transaction · 0001193125-26-415531

Horan Christopher

Horan Christopher, CTOO, reported an open-market or private sale at Artiva Biotherapeutics, Inc. involving 10340.000000 shares for an estimated $70696.65. Reported holdings after the transaction were 312744.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SCTOO
ARTVArtiva Biotherapeutics, Inc.
Filing timeOct 06
Trade dateOct 05, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position traded3.2%Shares sold ÷ (holdings after + shares sold). Estimated position before: 323,084 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$7.13
Pre-filing
1mo ago +56.9%1w ago -1.1%1d ago -4.2%
Returns since
7d30d90d180d1y

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 2026-10-06Filed today · 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

Non-derivative
Type
Sell
Code S
Identifier
0001193125-26-415531
Common Stock
Transaction date
Oct 05, 2026
Filed Oct 06, 2026, 08:02 PM · 1d delay
Shares
10.3k sh
$6.84 per share
Estimated value
-$70.6k
Computed from shares × price
Holdings after
312k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Cluster Selling Direct Ownership
+10score
Filing-only score

+10

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

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Tech Operations Officer

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

    The Issuer has adopted a 'sell-to-cover' policy to satisfy the tax withholding obligations of the Reporting Person. The sales reported on this Form 4 represent the number of shares required to be sold…

Original filing · 0001193125-26-415531
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Same reporting owner
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