ROBERT R. MCMASTER - 27 Oct 2021 Form 3 Insider Report for Seaport Calibre Materials Acquisition Corp.

Role: Director
Signature: /s/ Robert McMaster
Issuer symbol: N/A
Transactions as of: 27 Oct 2021
Net transactions value: $0
Form type: 3
Filing time: 27 Oct 2021, 21:05:47 UTC
Next filing: 05 Nov 2021
SEC: View on sec.gov

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	SCMA	Class B Common Stock							27 Oct 2021	Class A Common Stock	115,494		Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Shares of Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock at the time of the Issuer's initial business combination on a one-for-one basis, subject to adjustment, as described under the heading "Description of Securities" in the Issuer's registration statement on form S-1 (File No. 333-258024) (the "Registration Statement") and have no expiration date.
F2	The shares of Class B common stock beneficially owned by the reporting person includes up to 15,065 shares subject to forfeiture to the extent the underwriters of the initial public offering of the Issuer's securities do not exercise in full their over-allotment option as described in the Registration Statement.

Content

Shares of Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock at the time of the Issuer's initial business combination on a one-for-one basis, subject to adjustment, as described under the heading "Description of Securities" in the Issuer's registration statement on form S-1 (File No. 333-258024) (the "Registration Statement") and have no expiration date.

The shares of Class B common stock beneficially owned by the reporting person includes up to 15,065 shares subject to forfeiture to the extent the underwriters of the initial public offering of the Issuer's securities do not exercise in full their over-allotment option as described in the Registration Statement.