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ARCH Venture Fund XIII (NASDAQ: KARD) reports warrants and preferred holdings

(Neutral)
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Kardigan, Inc. filed a Form 3 showing that ARCH Venture Fund XIII, L.P. and related ARCH entities hold a significant indirect stake through preferred stock and a warrant. The fund holds a warrant over 876,040 shares of common stock at an exercise price of $13.42 per share, expiring on September 4, 2035, which becomes exercisable only if certain market valuation thresholds are achieved.

The fund also holds Series A, Series B and Series B‑1 Preferred Stock, collectively convertible into common stock on a 1.5928‑for‑1 basis at any time and automatically upon effectiveness of Kardigan’s Form S‑1 for its initial public offering, without additional consideration. Various ARCH general partner entities and committee members may be deemed to share beneficial ownership of these holdings but disclaim ownership beyond their pecuniary interest.

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Insider ARCH Venture Partners XIII, LLC, ARCH Venture Partners XIII, L.P., ARCH Venture Fund XIII, L.P., CRANDELL KEITH, NELSEN ROBERT, Burow Kristina, GILLIS STEVEN
Role Director, 10% Owner | 10% Owner | 10% Owner | 10% Owner | 10% Owner | 10% Owner | 10% Owner
Type Security Shares Price Value
holding Series A Preferred Stock -- -- --
holding Series B Preferred Stock -- -- --
holding Series B-1 Preferred Stock -- -- --
holding Warrant (right to buy) -- -- --
Holdings After Transaction: Series A Preferred Stock — 8,200,669 shares (Indirect, By: ARCH Venture Fund XIII, L.P.); Series B Preferred Stock — 1,917,731 shares (Indirect, By: ARCH Venture Fund XIII, L.P.); Series B-1 Preferred Stock — 3,673,635 shares (Indirect, By: ARCH Venture Fund XIII, L.P.); Warrant (right to buy) — 876,040 shares (Indirect, By: ARCH Venture Fund XIII, L.P.)
Footnotes (3)
  1. F1. Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the "Preferred Stock") is convertible into Common Stock on a 1.5928 for 1 basis at any time at the option of the holder, and will automatically convert into the number of shares shown in Column 3 upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering and without payment of consideration. The Preferred Stock has no expiration date.
  2. F2. These securities are directly held by ARCH Venture Fund XIII, L.P. ("ARCH XIII"). ARCH Venture Partners XIII, L.P. ("AVP XIII LP") is the general partner of ARCH XIII. ARCH Venture Partners XIII, LLC ("AVP XIII LLC") is the general partner of AVP XIII LP. Paul Berns, Kristina M. Burow, Keith Crandell, Steven Gillis and Robert Nelsen are members of the investment committee of AVP XIII LLC (the "AVP XIII LLC Committee Members"). Mr. Berns serves on the board of directors of the Issuer. Each of AVP XIII LP and AVP XIII LLC may be deemed to beneficially own the shares held by ARCH XIII, and each of the AVP XIII LLC Committee Members may be deemed to share the power to direct the disposition and vote of the shares held by ARCH XIII. Each of AVP XIII LP, AVP XIII LLC and the AVP XIII LLC Committee Members disclaims beneficial ownership except to the extent of their pecuniary interest therein, if any.
  3. F3. The shares subject to this warrant shall become exercisable upon achievement of certain Issuer market valuation thresholds.
Warrant underlying shares 876,040 shares Underlying common stock for warrant held indirectly by ARCH XIII
Warrant exercise price $13.42 per share Exercise price for warrant on Kardigan common stock
Warrant expiration September 4, 2035 Expiration date of warrant over Kardigan common stock
Series A underlying shares 8,200,669 shares Common shares underlying Series A Preferred Stock held indirectly
Series B underlying shares 1,917,731 shares Common shares underlying Series B Preferred Stock held indirectly
Series B-1 underlying shares 3,673,635 shares Common shares underlying Series B-1 Preferred Stock held indirectly
Preferred conversion ratio 1.5928-for-1 Conversion of each preferred share into common stock
Form S-1 regulatory
"upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering"
A Form S-1 is the registration filing a company submits to the U.S. Securities and Exchange Commission when it plans to offer stock to the public, most commonly for an initial public offering. Think of it as the company’s full disclosure packet or blueprint: it contains audited financials, business description, management background, risk factors and details of the offering, giving investors the information needed to judge the company’s financial health and potential risks before buying shares.
Preferred Stock financial
"Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the "Preferred Stock") is convertible"
Preferred stock is a type of ownership in a company that typically offers investors higher and more consistent dividend payments than common stock. Unlike regular shares, preferred stock usually doesn’t come with voting rights but provides a priority claim on the company’s assets and profits, making it a more stable and predictable investment option. This makes preferred stock attractive to those seeking steady income with lower risk.
beneficially own financial
"Each of AVP XIII LP and AVP XIII LLC may be deemed to beneficially own the shares held by ARCH XIII"
Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.
initial public offering financial
"will automatically convert into the number of shares shown in Column 3 upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering"
An initial public offering (IPO) is when a private company first sells its shares to the public and becomes a stock-listed company. It matters because it allows the company to raise money from a wide range of investors, helping it grow, while giving early shareholders a way to sell some of their ownership.
warrant financial
"The shares subject to this warrant shall become exercisable upon achievement of certain Issuer market valuation thresholds."
A warrant is a time-limited financial contract that gives its holder the right to buy a company's shares at a set price before a specified date, like a coupon that lets you purchase stock at a fixed discount for a limited time. It matters to investors because warrants offer leveraged exposure to a stock’s upside and can dilute existing shareholders if exercised, so they affect potential gains and the company’s outstanding share count.

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FAQ

What does ARCH Venture Fund XIII report in its Form 3 for KARD?

ARCH Venture Fund XIII reports indirect holdings in Kardigan through a warrant and multiple preferred stock series. These securities are convertible into common shares, giving ARCH significant exposure to Kardigan’s equity ahead of the company’s planned initial public offering process.

How can Kardigan (KARD) preferred stock held by ARCH Venture convert into common shares?

Each share of Kardigan’s Series A, Series B and Series B‑1 Preferred Stock converts into common stock on a 1.5928‑for‑1 basis. Conversion can occur at any time at the holder’s option and will automatically occur upon effectiveness of Kardigan’s Form S‑1 for its initial public offering.

What warrant position in Kardigan (KARD) does ARCH Venture Fund XIII disclose?

ARCH Venture Fund XIII indirectly holds a warrant over 876,040 underlying shares of Kardigan common stock at an exercise price of $13.42 per share. The warrant expires on September 4, 2035 and becomes exercisable only if specified issuer market valuation thresholds are achieved.

Who is considered to beneficially own the Kardigan (KARD) shares held by ARCH XIII?

The securities are directly held by ARCH Venture Fund XIII, L.P., while its general partners ARCH Venture Partners XIII, L.P. and ARCH Venture Partners XIII, LLC may be deemed to beneficially own them. Certain committee members share dispositive and voting power but disclaim ownership beyond their pecuniary interests.

When will Kardigan preferred stock held by ARCH automatically convert into common stock?

The Series A, Series B and Series B‑1 Preferred Stock will automatically convert into common shares upon effectiveness of Kardigan’s registration statement on Form S‑1 for its initial public offering. This conversion occurs without additional payment, based on the 1.5928‑for‑1 conversion ratio disclosed.
SEC Form 3
FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
ARCH Venture Partners XIII, LLC

(Last)(First)(Middle)
C/O ARCH VENTURE PARTNERS
8755 W. HIGGINS ROAD, SUITE 1025

(Street)
CHICAGO ILLINOIS 60631

(City)(State)(Zip)

UNITED STATES

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
06/17/2026
3. Issuer Name and Ticker or Trading Symbol
Kardigan, Inc. [ KARD ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirectorX10% Owner
Officer (give title below)Other (specify below)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
XForm filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Series A Preferred Stock (1) (1)Common Stock8,200,669(1)IBy: ARCH Venture Fund XIII, L.P.(2)
Series B Preferred Stock (1) (1)Common Stock1,917,731(1)IBy: ARCH Venture Fund XIII, L.P.(2)
Series B-1 Preferred Stock (1) (1)Common Stock3,673,635(1)IBy: ARCH Venture Fund XIII, L.P.(2)
Warrant (right to buy) (3)09/04/2035Common Stock876,040$13.42IBy: ARCH Venture Fund XIII, L.P.(2)
1. Name and Address of Reporting Person*
ARCH Venture Partners XIII, LLC

(Last)(First)(Middle)
C/O ARCH VENTURE PARTNERS
8755 W. HIGGINS ROAD, SUITE 1025

(Street)
CHICAGO ILLINOIS 60631

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
XDirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
ARCH Venture Partners XIII, L.P.

(Last)(First)(Middle)
8755 W. HIGGINS ROAD, SUITE 1025

(Street)
CHICAGO ILLINOIS 60631

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
ARCH Venture Fund XIII, L.P.

(Last)(First)(Middle)
8755 W. HIGGINS ROAD, SUITE 1025

(Street)
CHICAGO ILLINOIS 60631

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
CRANDELL KEITH

(Last)(First)(Middle)
C/O ARCH VENTURE PARTNERS IX, LLC
8755 W. HIGGINS ROAD, SUITE 1025

(Street)
CHICAGO ILLINOIS 60631

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
NELSEN ROBERT

(Last)(First)(Middle)
8755 W. HIGGINS ROAD, SUITE 1025

(Street)
CHICAGO ILLINOIS 60631

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Burow Kristina

(Last)(First)(Middle)
8755 W. HIGGINS ROAD,SUITE 1025

(Street)
CHICAGO ILLINOIS 60631

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
GILLIS STEVEN

(Last)(First)(Middle)
C/O ARCH VENTURE PARTNERS
8755 WEST HIGGINS ROAD, SUITE 1025

(Street)
CHICAGO ILLINOIS 60631

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
Explanation of Responses:
1. Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the "Preferred Stock") is convertible into Common Stock on a 1.5928 for 1 basis at any time at the option of the holder, and will automatically convert into the number of shares shown in Column 3 upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering and without payment of consideration. The Preferred Stock has no expiration date.
2. These securities are directly held by ARCH Venture Fund XIII, L.P. ("ARCH XIII"). ARCH Venture Partners XIII, L.P. ("AVP XIII LP") is the general partner of ARCH XIII. ARCH Venture Partners XIII, LLC ("AVP XIII LLC") is the general partner of AVP XIII LP. Paul Berns, Kristina M. Burow, Keith Crandell, Steven Gillis and Robert Nelsen are members of the investment committee of AVP XIII LLC (the "AVP XIII LLC Committee Members"). Mr. Berns serves on the board of directors of the Issuer. Each of AVP XIII LP and AVP XIII LLC may be deemed to beneficially own the shares held by ARCH XIII, and each of the AVP XIII LLC Committee Members may be deemed to share the power to direct the disposition and vote of the shares held by ARCH XIII. Each of AVP XIII LP, AVP XIII LLC and the AVP XIII LLC Committee Members disclaims beneficial ownership except to the extent of their pecuniary interest therein, if any.
3. The shares subject to this warrant shall become exercisable upon achievement of certain Issuer market valuation thresholds.
ARCH Venture Partners XIII, LLC, By: /s/ Mark McDonnell, as Attorney-in-Fact for Keith Crandell, Managing Director06/18/2026
ARCH Venture Partners XIII, L.P., By: ARCH Venture Partners XIII, LLC, its General Partner, By: /s/ Mark McDonnell, as Attorney-in-Fact for Keith Crandell, Managing Director06/18/2026
ARCH Venture Fund XIII, L.P., By: ARCH Venture Partners XIII, L.P., its General Partner, By: ARCH Venture Partners XIII, LLC, its General Partner, By: /s/ Mark McDonnell, as Attorney-in-Fact for Keith Crandell, Managing Director06/18/2026
Keith Crandell, Managing Director, By: /s/ Mark McDonnell, as Attorney-in-Fact06/18/2026
Robert Nelsen, Managing Director, By: /s/ Mark McDonnell, as Attorney-in-Fact06/18/2026
Kristina Burow, Managing Director, By: /s/ Mark McDonnell, as Attorney-in-Fact06/18/2026
Steven Gillis, Managing Director, By: /s/ Mark McDonnell, as Attorney-in-Fact06/18/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)