Kenneth Song - Sep 14, 2023 Form 3 Insider Report for RayzeBio, Inc. (RYZB)

Signature
/s/ Jeff Woodley, Attorney-in-fact
Stock symbol
RYZB
Transactions as of
Sep 14, 2023
Transactions value $
$0
Form type
3
Date filed
9/14/2023, 07:36 PM
Next filing
Nov 17, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding RYZB Common Stock 1.62M Sep 14, 2023 By trust F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding RYZB Employee Stock Option (Right to Buy) Sep 14, 2023 Common Stock 759K $3.24 By trust F1, F2
holding RYZB Employee Stock Option (Right to Buy) Sep 14, 2023 Common Stock 115K $10.39 By trust F1, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The Song Family Trust dated October 14, 2016, or the Song Trust. Dr. Song is a trustee of the Song Trust, and may be deemed to have voting and investment power over the shares held by the Song Trust.
F2 The option is subject to an early exercise provision and is immediately exercisable. Vesting is monthly over a 48-month period starting January 1, 2023 in equal monthly amounts.
F3 The option is subject to an early exercise provision and is immediately exercisable. The shares shall vest montly over 48 months on the 14th day of each month starting October 14, 2023.

Remarks:

Exhibit 24 - Power of Attorney