Transaction · 0001104659-26-116966

Arch Venture Partners Xii, LLC

ARCH Venture Partners XII, LLC, 10%, reported a transaction classified as unknown at CITY THERAPEUTICS, INC. involving 1845585.000000 shares for an estimated $0.00. Reported holdings after the transaction were 0.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

unknownSEC transaction code C10%
CTYCITY THERAPEUTICS, INC.
Trade date
Oct 19, 2026
Filing date
Oct 19, 2026
View on SEC Insider profile
Estimated value$0Shares × reported price
Shares traded1.84M$0.00 per share
Holdings after0Indirect · By ARCH Venture Fund XII, L.P.
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Not calculated for derivative securities.

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.

CTY price since this filing

Daily closing prices, with the filing date and available return windows
CTY · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago1w ago1d ago
Returns since7d30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
unknown
Code C
Identifier
0001104659-26-116966
Series B convertible preferred stock
Transaction date
Oct 19, 2026
Filed Oct 19, 2026, 09:38 PM · 0d delay
Shares
1,845,585 sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
0 sh
Indirect · By ARCH Venture Fund XII, L.P.

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Derivative Transaction
Filing-only score

-12 points

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.

How this score is calculated
  • timely_filing+4 points

    reporting_delay_days = 0

    Filing reported within two business days of the transaction.
  • derivative_transaction-16 points

    is_derivative = true

    Derivative exercise rows are less discretionary than open-market purchases.
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

No officer title

Officer NoDirector No10% YesOther No
Footnotes & amended
  1. F1

    Each share of Series Seed convertible preferred stock, Series A convertible preferred stock and Series B convertible preferred stock (collectively, the "Preferred Stock") was convertible into Common S…

  2. F2

    Shares held directly by ARCH Venture Fund XII, L.P. ("ARCH XII"). ARCH Venture Partners XII, L.P. ("AVP XII LP") is the sole general partner of ARCH XII. ARCH Venture Partners XII, LLC ("AVP XII LLC")…

Original filing · 0001104659-26-116966
Related transactions

0 other transactions

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