William Porteous - 02 Jan 2026 Form 4 Insider Report for Spire Global, Inc. (SPIR)

Role: Director
Signature: /s/ Griffin D. Foster, by Power of Attorney for William Porteous
Issuer symbol: SPIR
Transactions as of: 02 Jan 2026
Net transactions value: +$25,375
Form type: 4
Filing time: 05 Jan 2026, 16:30:08 UTC
Previous filing: 02 Oct 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Porteous William	Director	8000 TOWERS CRESCENT DRIVE, SUITE 1100, VIENNA	/s/ Griffin D. Foster, by Power of Attorney for William Porteous	05 Jan 2026	0001856453

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SPIR	Class A Common Stock	Award	$25,375	+3,249	+2.8%	$7.81	118,346	02 Jan 2026	Direct	F1
holding	SPIR	Class A Common Stock						596,181	02 Jan 2026	By: RRE Ventures V, L.P.	F2
holding	SPIR	Class A Common Stock						248,071	02 Jan 2026	By: RRE Leaders Fund, L.P.	F2

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

Explanation of Responses:

Id	Content
F1	Represents restricted stock units in lieu of cash compensation of $25,375, which are fully vested.
F2	RRE Ventures GP V, LLC is the general partner of RRE Ventures V, L.P., and its managing members and officers are James D. Robinson IV, Stuart J. Ellman, and William D. Porteous, and RRE Ventures GP V, LLC has sole voting and dispositive power with respect to the shares held by RRE Ventures V, L.P. RRE Leaders GP, LLC is the general partner of RRE Leaders Fund, LP and its managing members and officers are James D. Robinson IV, Stuart J. Ellman, and William D. Porteous, and RRE Leaders GP, LLC has sole voting and dispositive power with respect to the shares held by RRE Leaders Fund, LP. Mr. Porteous disclaims beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.

Content

Represents restricted stock units in lieu of cash compensation of $25,375, which are fully vested.

RRE Ventures GP V, LLC is the general partner of RRE Ventures V, L.P., and its managing members and officers are James D. Robinson IV, Stuart J. Ellman, and William D. Porteous, and RRE Ventures GP V, LLC has sole voting and dispositive power with respect to the shares held by RRE Ventures V, L.P. RRE Leaders GP, LLC is the general partner of RRE Leaders Fund, LP and its managing members and officers are James D. Robinson IV, Stuart J. Ellman, and William D. Porteous, and RRE Leaders GP, LLC has sole voting and dispositive power with respect to the shares held by RRE Leaders Fund, LP. Mr. Porteous disclaims beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein.