Jonathan E. Lim - Apr 2, 2024 Form 4 Insider Report for Boundless Bio, Inc. (BOLD)

Role: Director
Signature: /s/ Jessica Oien, Attorney-in-Fact for Jonathan Lim
Stock symbol: BOLD
Transactions as of: Apr 2, 2024
Transactions value $: $0
Form type: 4
Date filed: 4/4/2024, 04:30 PM
Previous filing: Mar 29, 2024
Next filing: Jun 21, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BOLD	Common Stock	Conversion of derivative security		+525K	+2048.57%		551K	Apr 2, 2024	By City Hill, LLC	F1, F2
holding	BOLD	Common Stock						103K	Apr 2, 2024	Direct

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

Type	Sym	Class	Transaction	Shares	Change %	Date	Underlying Class	Amount	Ownership	Footnotes
transaction	BOLD	Series A Convertible Preferred Stock	Conversion of derivative security	-513K	-100%	Apr 2, 2024	Common Stock	513K	By City Hill, LLC	F1, F2
transaction	BOLD	Series B Convertible Preferred Stock	Conversion of derivative security	-5.13K	-100%	Apr 2, 2024	Common Stock	5.13K	By City Hill, LLC	F1, F2
transaction	BOLD	Series C Convertible Preferred Stock	Conversion of derivative security	-7.33K	-100%	Apr 2, 2024	Common Stock	7.33K	By City Hill, LLC	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each share of the Issuer's preferred stock is convertible into shares of the Issuer's common stock at the holder's election and has no expiration date. The preferred stock automatically converted into common stock upon the closing of the Issuer's initial public offering.
F2	Consists of shares held directly by City Hill, LLC ("City Hill"). Jonathan E. Lim, M.D. serves as the managing partner of City Hill. Dr. Lim exercises voting and dispositive control over the securities held by City Hill and is therefore deemed to be a beneficial owner of securities owned by City Hill. Dr. Lim disclaims beneficial ownership of the reported securities held by City Hill, except to the extent of his pecuniary interest therein.

Content

Each share of the Issuer's preferred stock is convertible into shares of the Issuer's common stock at the holder's election and has no expiration date. The preferred stock automatically converted into common stock upon the closing of the Issuer's initial public offering.

Consists of shares held directly by City Hill, LLC ("City Hill"). Jonathan E. Lim, M.D. serves as the managing partner of City Hill. Dr. Lim exercises voting and dispositive control over the securities held by City Hill and is therefore deemed to be a beneficial owner of securities owned by City Hill. Dr. Lim disclaims beneficial ownership of the reported securities held by City Hill, except to the extent of his pecuniary interest therein.