Jon Faiz Kayyem - 27 Mar 2025 Form 4 Insider Report for Inhibrx Biosciences, Inc. (INBX)

Reporting relationship: Director
Issuer ticker: INBX
Reported as of: 27 Mar 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 28 Mar 2025, 17:37:18 UTC
Prior SEC filing: 17 Dec 2024
Next SEC filing: 22 May 2025
Source filing: View source filing
Reporting owner signature: /s/ Kelly Deck, as attorney-in-fact to Jon Faiz Kayyem

Key filing fact

Jon Faiz Kayyem filed Form 4 for Inhibrx Biosciences, Inc. (INBX) on 28 Mar 2025.

Key facts

This page summarizes Jon Faiz Kayyem's Form 4 filing for Inhibrx Biosciences, Inc. (INBX).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 28 Mar 2025, 17:37.

Change

Previous filing in this sequence was filed on 17 Dec 2024.
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

Reported non-derivative transactions

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

INBX transaction

Common Stock

Gift

Transaction value: $0
Shares: -90,000
Change %: -18%
Price: $0.000000
Shares after: 419,360
Date: 27 Mar 2025
Ownership: By The Jon F. Kayyem and Paige Gates-Kayyem Family Trust
Footnotes: F1, F2

INBX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 250,000
Date: 27 Mar 2025
Ownership: By Jon Faiz Kayyem Revocable Trust
Footnotes: F3

INBX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 250,000
Date: 27 Mar 2025
Ownership: By Paige Gates-Kayyem Revocable Trust
Footnotes: F4

INBX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 69,843
Date: 27 Mar 2025
Ownership: By Child A
Footnotes: F5

INBX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 69,843
Date: 27 Mar 2025
Ownership: By Child B
Footnotes: F6

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote F1

This transaction involved a gift of 90,000 shares of Common Stock by The Jon F. Kayyem and Paige Gates-Kayyem Family Trust to the reporting person's adult children not residing in the reporting person's household, and to which the reporting person does not have a beneficial interest.

Footnote F2

These securities are directly owned by The Jon F. Kayyem and Paige Gates-Kayyem Family Trust. Jon Faiz Kayyem is the trustee of The Jon Faiz Kayyem and Paige N. Gates Family Trust and he disclaims beneficial ownership of these securities, except to the extent of any indirect pecuniary interest in his distributive shares therein.

Footnote F3

These securities are directly owned by the Jon Faiz Kayyem Revocable Trust, of which Jon Faiz Kayyem is the trustee.

Footnote F4

These securities are directly owned by the Paige-Gates Kayyem Revocable Trust, of which Jon Faiz Kayyem's spouse is the trustee.

Footnote F5

These securities are directly owned by a custodial account managed by the reporting person for the benefit of the reporting person's minor child, Child A. The reporting person disclaims beneficial ownership of these securities, except to the extent of any indirect pecuniary interest in his distributive shares therein.

Footnote F6

These securities are directly owned by a custodial account managed by the reporting person for the benefit of the reporting person's minor child, Child B. The reporting person disclaims beneficial ownership of these securities, except to the extent of any indirect pecuniary interest in his distributive shares therein.