Foundation Capital Management Co. VIII, L.L.C. - 15 May 2026 Form 4 Insider Report for Cerebras Systems Inc. (CBRS)

Reporting relationship
10%+ Owner
Issuer ticker
CBRS
Reported as of
15 May 2026
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
19 May 2026, 16:15:12 UTC
Prior SEC filing
13 May 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
Foundation Capital Management Co. VIII, L.L.C., By: /s/ Charles Moldow, Manager

Key filing fact

Foundation Capital Management Co. VIII, L.L.C. filed Form 4 for Cerebras Systems Inc. (CBRS) on 19 May 2026.

Key facts

  • This page summarizes Foundation Capital Management Co. VIII, L.L.C.'s Form 4 filing for Cerebras Systems Inc. (CBRS).
  • 14 reported transactions and 70 derivative rows are listed below.
  • Accepted by SEC: 19 May 2026, 16:15.

Change

  • Previous filing in this sequence was filed on 13 May 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 (5)

CIK 0001645076 Primary reporting owner

Foundation Capital Management Co. VIII, L.L.C.

Relationship
10%+ Owner
Address
C/O FOUNDATION CAPITAL, 550 HIGH STREET, 3RD FLOOR, PALO ALTO
Signature
Foundation Capital Management Co. VIII, L.L.C., By: /s/ Charles Moldow, Manager
Signature date
19 May 2026
CIK 0001645077

Foundation Capital VIII, L.P.

Relationship
10%+ Owner
Address
C/O FOUNDATION CAPITAL, 550 HIGH STREET, 3RD FLOOR, PALO ALTO
Signature
Foundation Capital VIII, L.P., By: Foundation Capital Management Co. VIII, L.L.C., its General Partner, By: /s/ Charles Moldow, Manager
Signature date
19 May 2026
CIK 0001645178

Foundation Capital VIII Principals Fund, L.L.C.

Relationship
10%+ Owner
Address
C/O FOUNDATION CAPITAL, 550 HIGH STREET, 3RD FLOOR, PALO ALTO
Signature
Foundation Capital VIII Principals Fund, L.L.C., By: Foundation Capital Management Co. VIII, L.L.C., its Manager, By: /s/ Charles Moldow, Manager
Signature date
19 May 2026
CIK 0001804257

Foundation Capital Management Co. LF II, L.L.C.

Relationship
10%+ Owner
Address
C/O FOUNDATION CAPITAL, 550 HIGH STREET, 3RD FLOOR, PALO ALTO
Signature
Foundation Capital Management Co. LF II, L.L.C., By: /s/ Charles Moldow, Manager
Signature date
19 May 2026
CIK 0001804258

Foundation Capital Leadership Fund II, L.P.

Relationship
10%+ Owner
Address
C/O FOUNDATION CAPITAL, 550 HIGH STREET, 3RD FLOOR, PALO ALTO
Signature
Foundation Capital Leadership Fund II, L.P., By: Foundation Capital Management Co. LF II, L.L.C., its General Partner, By: /s/ Charles Moldow, Manager
Signature date
19 May 2026

Reported derivative securities

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

CBRS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares
-12,322,821
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
12,322,821
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares
-12,322,821
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
12,322,821
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares
-12,322,821
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
12,322,821
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares
-12,322,821
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
12,322,821
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares
-12,322,821
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
12,322,821
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares
-265,414
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
265,414
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares
-265,414
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
265,414
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares
-265,414
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
265,414
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares
-265,414
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
265,414
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares
-265,414
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
265,414
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares
-1,395,341
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
1,395,341
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares
-1,395,341
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
1,395,341
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares
-1,395,341
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
1,395,341
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares
-1,395,341
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
1,395,341
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares
-1,395,341
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
1,395,341
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares
-30,053
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
30,053
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares
-30,053
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
30,053
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares
-30,053
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
30,053
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares
-30,053
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
30,053
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares
-30,053
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
30,053
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares
-109,409
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
109,409
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares
-109,409
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
109,409
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares
-109,409
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
109,409
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares
-109,409
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
109,409
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares
-109,409
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
109,409
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares
-2,356
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
2,356
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares
-2,356
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
2,356
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares
-2,356
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
2,356
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares
-2,356
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
2,356
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares
-2,356
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
2,356
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares
-30,315
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
30,315
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares
-30,315
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
30,315
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares
-30,315
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
30,315
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares
-30,315
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
30,315
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares
-30,315
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
30,315
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares
-653
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
653
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares
-653
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
653
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares
-653
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
653
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares
-653
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
653
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares
-653
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
653
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series E Preferred Stock

Conversion of derivative security

Transaction value
Shares
-53,419
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
53,419
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series E Preferred Stock

Conversion of derivative security

Transaction value
Shares
-53,419
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
53,419
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series E Preferred Stock

Conversion of derivative security

Transaction value
Shares
-53,419
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
53,419
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series E Preferred Stock

Conversion of derivative security

Transaction value
Shares
-53,419
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
53,419
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series E Preferred Stock

Conversion of derivative security

Transaction value
Shares
-53,419
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class B Common Stock
Underlying amount
53,419
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Series E Preferred Stock

Conversion of derivative security

Transaction value
Shares
-1,151
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
1,151
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series E Preferred Stock

Conversion of derivative security

Transaction value
Shares
-1,151
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
1,151
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series E Preferred Stock

Conversion of derivative security

Transaction value
Shares
-1,151
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
1,151
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series E Preferred Stock

Conversion of derivative security

Transaction value
Shares
-1,151
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
1,151
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series E Preferred Stock

Conversion of derivative security

Transaction value
Shares
-1,151
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class B Common Stock
Underlying amount
1,151
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Series E Preferred Stock

Conversion of derivative security

Transaction value
Shares
-1,091,411
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital Leadership Fund II, L.P.
Underlying class
Class B Common Stock
Underlying amount
1,091,411
Exercise price
Footnotes
F1, F4
CBRS transaction Derivative

Series E Preferred Stock

Conversion of derivative security

Transaction value
Shares
-1,091,411
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital Leadership Fund II, L.P.
Underlying class
Class B Common Stock
Underlying amount
1,091,411
Exercise price
Footnotes
F1, F4
CBRS transaction Derivative

Series E Preferred Stock

Conversion of derivative security

Transaction value
Shares
-1,091,411
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital Leadership Fund II, L.P.
Underlying class
Class B Common Stock
Underlying amount
1,091,411
Exercise price
Footnotes
F1, F4
CBRS transaction Derivative

Series E Preferred Stock

Conversion of derivative security

Transaction value
Shares
-1,091,411
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital Leadership Fund II, L.P.
Underlying class
Class B Common Stock
Underlying amount
1,091,411
Exercise price
Footnotes
F1, F4
CBRS transaction Derivative

Series E Preferred Stock

Conversion of derivative security

Transaction value
Shares
-1,091,411
Change %
-100%
Price
Shares after
0
Date
15 May 2026
Ownership
By Foundation Capital Leadership Fund II, L.P.
Underlying class
Class B Common Stock
Underlying amount
1,091,411
Exercise price
Footnotes
F1, F4
CBRS transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares
+13,911,305
Change %
Price
Shares after
13,911,305
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class A Common Stock
Underlying amount
13,911,305
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares
+13,911,305
Change %
Price
Shares after
13,911,305
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class A Common Stock
Underlying amount
13,911,305
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares
+13,911,305
Change %
Price
Shares after
13,911,305
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class A Common Stock
Underlying amount
13,911,305
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares
+13,911,305
Change %
Price
Shares after
13,911,305
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class A Common Stock
Underlying amount
13,911,305
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares
+13,911,305
Change %
Price
Shares after
13,911,305
Date
15 May 2026
Ownership
By Foundation Capital VIII, L.P.
Underlying class
Class A Common Stock
Underlying amount
13,911,305
Exercise price
Footnotes
F1, F2
CBRS transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares
+299,627
Change %
Price
Shares after
299,627
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class A Common Stock
Underlying amount
299,627
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares
+299,627
Change %
Price
Shares after
299,627
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class A Common Stock
Underlying amount
299,627
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares
+299,627
Change %
Price
Shares after
299,627
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class A Common Stock
Underlying amount
299,627
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares
+299,627
Change %
Price
Shares after
299,627
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class A Common Stock
Underlying amount
299,627
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares
+299,627
Change %
Price
Shares after
299,627
Date
15 May 2026
Ownership
By Foundation Capital VIII Principals Fund, LLC
Underlying class
Class A Common Stock
Underlying amount
299,627
Exercise price
Footnotes
F1, F3
CBRS transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares
+1,091,411
Change %
Price
Shares after
1,091,411
Date
15 May 2026
Ownership
By Foundation Capital Leadership Fund II, L.P.
Underlying class
Class A Common Stock
Underlying amount
1,091,411
Exercise price
Footnotes
F1, F4
CBRS transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares
+1,091,411
Change %
Price
Shares after
1,091,411
Date
15 May 2026
Ownership
By Foundation Capital Leadership Fund II, L.P.
Underlying class
Class A Common Stock
Underlying amount
1,091,411
Exercise price
Footnotes
F1, F4
CBRS transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares
+1,091,411
Change %
Price
Shares after
1,091,411
Date
15 May 2026
Ownership
By Foundation Capital Leadership Fund II, L.P.
Underlying class
Class A Common Stock
Underlying amount
1,091,411
Exercise price
Footnotes
F1, F4
CBRS transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares
+1,091,411
Change %
Price
Shares after
1,091,411
Date
15 May 2026
Ownership
By Foundation Capital Leadership Fund II, L.P.
Underlying class
Class A Common Stock
Underlying amount
1,091,411
Exercise price
Footnotes
F1, F4
CBRS transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares
+1,091,411
Change %
Price
Shares after
1,091,411
Date
15 May 2026
Ownership
By Foundation Capital Leadership Fund II, L.P.
Underlying class
Class A Common Stock
Underlying amount
1,091,411
Exercise price
Footnotes
F1, F4
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Immediately prior to the closing of the Issuer's initial public offering, each share of the Issuer's redeemable convertible preferred stock automatically converted and was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7. Each share of Class B common stock is convertible at any time at the option of the holder into one share of Class A common stock.

Footnote F2

These securities are owned by Foundation Capital VIII, L.P. ("FC8"). Foundation Capital Management Co. VIII, L.L.C. ("FCM8") serves as the sole general partner of FC8 and, as such, FCM8 possesses voting and dispositive power over the shares held by FC8, and may be deemed to have indirect beneficial ownership of the shares held by FC8. FCM8 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Footnote F3

These securities are owned by Foundation Capital VIII Principals Fund, L.L.C. ("FC8P"). FCM8 serves as the sole manager of FC8P and, as such, FCM8 possesses voting and dispositive power over the shares held by FC8P, and may be deemed to have indirect beneficial ownership of the shares held by FC8P. FCM8 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

Footnote F4

These securities are owned by Foundation Capital Leadership Fund II, L.P. ("FCL2"). Foundation Capital Management Co,. LF II, L.L.C. ("FCMLF2") serves as the sole general partner of FCL2 and, as such, FCMLF2 possesses voting and dispositive power over the shares held by FCL2, and may be deemed to have indirect beneficial ownership of the shares held by FCL2. FCMLF2 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

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