Transaction · 0001193125-26-383625

Horan Christopher

Horan Christopher, CTOO, reported an open-market or private sale at Artiva Biotherapeutics, Inc. involving 10366.000000 shares for an estimated $115637.91. Reported holdings after the transaction were 283084.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SCTOO
ARTVArtiva Biotherapeutics, Inc.
Trade date
Sep 03, 2026
Filing date
Sep 04, 2026
View on SEC Insider profile
Estimated value-$115kShares × reported price
Shares traded10.3k$11.16 per share
Holdings after283kDirect
% of reported position traded3.53%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 293,450 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.

ARTV price since this filing

Daily closing prices, with the filing date and available return windows
ARTV · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -1.1%1w ago +6.7%1d ago +1.1%
Returns since7d -8.7%30d -39.0%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001193125-26-383625
Common Stock
Transaction date
Sep 03, 2026
Filed Sep 04, 2026, 08:04 PM · 1d delay
Shares
10,366 sh
$11.16 per share
Estimated value
-$115k
Computed from shares × price
Holdings after
283,084 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

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

+10 points

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.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 1

    Filing reported within two business days of the transaction.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

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…

  2. F2

    The weighted average sale price for the transaction reported was $11.1555, and the range of prices were between $11.0301 and $11.1556. Upon request by the SEC staff, the Issuer, or any security holder…

Original filing · 0001193125-26-383625
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