STOCK TITAN

Director at Spire Global (SPIR) receives 7,261 restricted stock units

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Porteous William reported acquisition or exercise transactions in this Form 4 filing.

Spire Global director William Porteous received a grant of 7,261 restricted stock units of Class A Common Stock. The award carries no cash purchase price and is compensation rather than a market trade. These units vest in full on the earlier of the one-year anniversary of the grant date or the first annual stockholders’ meeting, subject to his continued service.

Following this grant, Porteous holds 127,503 Class A shares directly. Additional indirect holdings are reported through RRE Leaders Fund, L.P. with 248,071 shares and RRE Ventures V, L.P. with 596,181 shares, where affiliated general partners have sole voting and dispositive power and he disclaims beneficial ownership except for any pecuniary interest.

Positive

  • None.

Negative

  • None.
Insider Porteous William
Role null
Type Security Shares Price Value
Grant/Award Class A Common Stock 7,261 $0.00 --
holding Class A Common Stock -- -- --
holding Class A Common Stock -- -- --
Holdings After Transaction: Class A Common Stock — 127,503 shares (Direct, null); Class A Common Stock — 596,181 shares (Indirect, By: RRE Ventures V, L.P)
Footnotes (1)
  1. The reported securities represent restricted stock units, which will vest in full on the earlier of (i) the one-year anniversary of the grant date, or (ii) the date of the first annual meeting of stockholders following the grant date, subject to the Reporting Person's continued service through such vesting date. 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.
RSU grant size 7,261 units Restricted stock units granted to director on 2026-05-28
Grant price $0.0000 per share Stated price for RSU award
Direct holdings after grant 127,503 shares Class A Common Stock held directly by Porteous
RRE Leaders Fund holdings 248,071 shares Indirect Class A holdings via RRE Leaders Fund, L.P.
RRE Ventures V holdings 596,181 shares Indirect Class A holdings via RRE Ventures V, L.P.
Acquire transactions 1 transaction Form 4 transaction summary for acquisition-type entries
restricted stock units financial
"The reported securities represent restricted stock units, which will vest in full on the earlier..."
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
voting and dispositive power financial
"RRE Ventures GP V, LLC has sole voting and dispositive power with respect to the shares..."
pecuniary interest financial
"Mr. Porteous disclaims beneficial ownership of the reported securities, except to the extent of any pecuniary interest therein."
Class A Common Stock financial
"security_title: Class A Common Stock"
Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.
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SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Porteous William

(Last)(First)(Middle)
8000 TOWERS CRESCENT DRIVE
SUITE 1100

(Street)
VIENNA VIRGINIA 22182

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Spire Global, Inc. [ SPIR ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/28/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Class A Common Stock05/28/2026A7,261(1)A$0127,503D
Class A Common Stock596,181IBy: RRE Ventures V, L.P(2)
Class A Common Stock248,071IBy: RRE Leaders Fund, L.P.(2)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. The reported securities represent restricted stock units, which will vest in full on the earlier of (i) the one-year anniversary of the grant date, or (ii) the date of the first annual meeting of stockholders following the grant date, subject to the Reporting Person's continued service through such vesting date.
2. 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.
/s/ Griffin D. Foster, by Power of Attorney for William Porteous06/01/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did William Porteous report at Spire Global (SPIR)?

William Porteous reported receiving 7,261 restricted stock units of Spire Global Class A Common Stock as a compensation grant. The units have a zero purchase price, reflecting an equity award rather than an open-market trade, and increase his direct share-based holdings.

When do William Porteous’s new Spire Global restricted stock units vest?

The 7,261 restricted stock units vest in full on the earlier of the one-year anniversary of the grant date or the first annual stockholders’ meeting after the grant. Vesting is conditioned on Porteous continuing to serve through the applicable vesting date.

How many Spire Global shares does William Porteous hold directly after this Form 4?

After the grant, William Porteous is shown holding 127,503 shares of Spire Global Class A Common Stock directly. This figure reflects his direct ownership position following the 7,261-unit restricted stock award disclosed in the Form 4.

What indirect Spire Global holdings are associated with William Porteous?

The filing lists 248,071 shares held by RRE Leaders Fund, L.P. and 596,181 shares held by RRE Ventures V, L.P. Related general partners have sole voting and dispositive power, and Porteous disclaims beneficial ownership except for any pecuniary interest in these investment funds.

Is William Porteous’s Spire Global equity grant a market purchase or sale?

The reported 7,261-unit award is a grant of restricted stock units at a stated price of zero dollars per share. It is compensation, not a market purchase or sale, so it does not directly indicate open-market buying or selling activity by Porteous.