Paul L. Berns - 17 Jun 2026 Form 4 Insider Report for Kardigan, Inc. (KARD)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
22 Jun 2026, 19:24:44 UTC
Prior SEC filing
19 Feb 2026
Next SEC filing
24 Jun 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ John B. Moriarty, Jr., Attorney-in-Fact

Key filing fact

Paul L. Berns filed Form 4 for Kardigan, Inc. (KARD) on 22 Jun 2026.

Key facts

  • This page summarizes Paul L. Berns's Form 4 filing for Kardigan, Inc. (KARD).
  • 5 reported transactions and 3 derivative rows are listed below.
  • Accepted by SEC: 22 Jun 2026, 19:24.

Change

  • Previous filing in this sequence was filed on 19 Feb 2026.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001202769 Primary reporting owner

BERNS PAUL L

Relationship
Director, 10%+ Owner
Address
C/O KARDIGAN, INC., 506 CARNEGIE CENTER DRIVE, SUITE 201, PRINCETON
Signature
/s/ John B. Moriarty, Jr., Attorney-in-Fact
Signature date
22 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

KARD transaction

Common Stock

Conversion of derivative security

Transaction value
Shares
+13,792,035
Change %
Price
Shares after
13,792,035
Date
17 Jun 2026
Ownership
By ARCH Venture Fund XIII, L.P.
Footnotes
F1, F2
KARD transaction

Common Stock

Award

Transaction value
Shares
+20,706
Change %
Price
$0.000000*
Shares after
20,706
Date
17 Jun 2026
Ownership
Direct
Footnotes
F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

KARD transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares
-5,148,587
Change %
-100%
Price
Shares after
0
Date
17 Jun 2026
Ownership
By ARCH Venture Fund XIII, L.P.
Underlying class
Common Stock
Underlying amount
8,200,669
Exercise price
Footnotes
F1, F2
KARD transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares
-1,204,000
Change %
-100%
Price
Shares after
0
Date
17 Jun 2026
Ownership
By ARCH Venture Fund XIII, L.P.
Underlying class
Common Stock
Underlying amount
1,917,731
Exercise price
Footnotes
F1, F2
KARD transaction Derivative

Series B-1 Preferred Stock

Conversion of derivative security

Transaction value
Shares
-2,306,401
Change %
-100%
Price
Shares after
0
Date
17 Jun 2026
Ownership
By ARCH Venture Fund XIII, L.P.
Underlying class
Common Stock
Underlying amount
3,673,635
Exercise price
Footnotes
F1, F2
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Each share of Series A Preferred Stock, Series B Preferred Stock and Series B-1 Preferred Stock (collectively, the "Preferred Stock") automatically converted into the number of shares shown in Column 7 on a 1.5928 for 1 basis upon the effectiveness of the Issuer's registration statement on Form S-1 relating to its initial public offering on June 17, 2026 and without payment of consideration. The Preferred Stock had no expiration date.

Footnote 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"). 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.

Footnote F3

Each share is represented by a restricted stock unit ("RSU"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock upon settlement. The RSUs vest in full on June 17, 2028, subject to the Reporting Person's continuous service as of the applicable vesting date.

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