William Porteous - 01 Jul 2026 Form 4 Insider Report for Spire Global, Inc. (SPIR)

Reporting relationship: Director
Issuer ticker: SPIR
Reported as of: 01 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 17 Jul 2026, 16:30:03 UTC
Prior SEC filing: 01 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Griffin D. Foster, by Power of Attorney for William Porteous

Key filing fact

William Porteous filed Form 4 for Spire Global, Inc. (SPIR) on 17 Jul 2026.

Key facts

This page summarizes William Porteous's Form 4 filing for Spire Global, Inc. (SPIR).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 17 Jul 2026, 16:30.

Change

Previous filing in this sequence was filed on 01 Jun 2026.
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

Reporting Owners (1)

CIK 0001856453 Primary reporting owner

Porteous William

Relationship: Director
Address: 8000 TOWERS CRESCENT DRIVE, SUITE 1100, VIENNA
Signature: /s/ Griffin D. Foster, by Power of Attorney for William Porteous
Signature date: 17 Jul 2026

Reported non-derivative transactions

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

SPIR transaction

Class A Common Stock

Award

Transaction value
Shares: +1,516
Change %: +1.2%
Price: $18.38^*
Shares after: 129,019
Date: 01 Jul 2026
Ownership: Direct
Footnotes: F1

SPIR holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 596,181
Date: 01 Jul 2026
Ownership: By: RRE Ventures V, L.P
Footnotes: F2

SPIR holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 248,071
Date: 01 Jul 2026
Ownership: By: RRE Leaders Fund, L.P.
Footnotes: F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents restricted stock units in lieu of cash compensation of $27,875, which are fully vested.

Footnote 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.