What is the largest single SPIR share sale reported in this Form 4?

The largest single transaction disclosed is a sale of 54,793 shares of Spire Global Class A Common Stock at $7.59 per share on November 21, 2025. This sale, like the others, is described as covering tax obligations from restricted stock unit settlements under automatic instructions.

Spire Global (SPIR) chair’s automatic tax-cover share sales and holdings detailed

Filing Impact

(Very High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Spire Global, Inc. Executive Chairman Peter Platzer reported a series of open-market sales of Class A Common Stock primarily to cover taxes on restricted stock unit settlements under automatic sale-to-cover instructions tied to award agreements intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

The transactions include sales totaling 204,248 shares across multiple dates, such as 1,801 shares at $12.10 per share on January 21, 2026, 1,802 shares at $8.24 on December 22, 2025, and 54,793 shares at $7.59 on November 21, 2025. Following the most recent sale, Platzer holds 1,487,552 shares directly. A separate holding entry shows 989,514 shares held indirectly by his spouse, with footnotes stating they share beneficial ownership of each other's securities.

Insider Trade Summary 10b5-1

Net Seller: 204,248 shares ($1,884,577)

Net Sell 11 txns

Insider Platzer Peter

Role Executive Chairman

Sold 204,248 shs ($1.88M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	1,801	$12.10	$22K
Sale	Class A Common Stock	1,802	$8.24	$15K
Sale	Class A Common Stock	54,793	$7.59	$416K
Sale	Class A Common Stock	1,817	$12.02	$22K
Sale	Class A Common Stock	1,811	$10.42	$19K
Sale	Class A Common Stock	54,783	$8.66	$474K
Sale	Class A Common Stock	1,801	$12.45	$22K
Sale	Class A Common Stock	1,805	$9.92	$18K
Sale	Class A Common Stock	53,289	$11.44	$610K
Sale	Class A Common Stock	30,546	$8.74	$267K
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class A Common Stock — 1,487,552 shares (Direct); Class A Common Stock — 989,514 shares (Indirect, By Spouse)

Footnotes (1)

The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreements intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) were dated April 19, 2022, April 14, 2023 and March 7, 2024. The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreements intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) were dated April 19, 2022, April 14, 2023, March 7, 2024 and October 17, 2024. The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) was dated May 28, 2025. The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreements intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) were dated April 19, 2022, April 14, 2023, March 7, 2024, October 17, 2024 and May 28, 2025. The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreements intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) were dated April 19, 2022, April 14, 2023, March 7, 2024, October 17, 2024 and May 28, 2025. Theresa Condor and Peter Platzer, as husband and wife, share beneficial ownership of the securities held by each other. Reflects the correction of a rounding error in connection with adjustments following the issuer's reverse stock split that overstated the reporting person's holdings by two shares in previous filings.

Key Figures

Total shares sold: 204,248 shares Latest sale size: 1,801 shares Latest sale price: $12.10 per share +5 more

8 metrics

Total shares sold 204,248 shares Net open-market sales reported across 10 transactions

Latest sale size 1,801 shares Class A Common Stock sold on January 21, 2026

Latest sale price $12.10 per share Open-market sale on January 21, 2026

Largest single sale 54,793 shares Class A Common Stock sold at $7.59 on November 21, 2025

Direct holdings after latest sale 1,487,552 shares Class A Common Stock directly held following January 21, 2026 transaction

Indirect spouse holdings 989,514 shares Class A Common Stock held indirectly by spouse with shared beneficial ownership

Prior notable sale 53,289 shares Sold at $11.44 per share on May 22, 2025

Earlier sale 30,546 shares Sold at $8.74 per share on May 20, 2024

Key Terms

restricted stock units, sale-to-cover, Rule 10b5-1(c), beneficial ownership, +1 more

5 terms

restricted stock units financial

"The shares were sold to cover taxes associated with the settlement of restricted stock units"

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.

sale-to-cover financial

"pursuant to an automatic sale-to-cover instruction in the applicable award agreement"

Rule 10b5-1(c) regulatory

"intended to satisfy the affirmative defense conditions of Rule 10b5-1(c)"

Rule 10b5-1(c) is an SEC guideline that lets company insiders set up a written, pre-planned schedule to buy or sell their company stock when they are not in possession of material, nonpublic information. For investors, it matters because such plans can reduce the appearance of insider trading by separating decisions from inside knowledge—like putting your trades on autopilot—while also requiring scrutiny since pre-planned trades can still affect market confidence and share value.

beneficial ownership financial

"share beneficial ownership of the securities held by each other"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

reverse stock split financial

"Reflects the correction of a rounding error in connection with adjustments following the issuer's reverse stock split"

A reverse stock split is when a company reduces the number of its shares outstanding, making each share more valuable. For example, if you own 100 shares worth $1 each, a 1-for-10 reverse split would turn your 100 shares into 10 shares worth $10 each. Companies often do this to boost their stock price and appear more stable to investors.

Form 4 Insider Transactions: What Each Field Means →

04/10/2026 - 07:33 PM

SEC Form 4

FORM 4

UNITED 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^*

Platzer Peter

(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)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Executive Chairman

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/20/2024

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock	05/20/2024		S		30,546⁽¹⁾	D	$8.74	1,661,254⁽⁷⁾	D
Class A Common Stock	05/22/2025		S		53,289⁽²⁾	D	$11.44	1,607,965	D
Class A Common Stock	06/25/2025		S		1,805⁽³⁾	D	$9.92	1,606,160	D
Class A Common Stock	07/21/2025		S		1,801⁽³⁾	D	$12.45	1,604,359	D
Class A Common Stock	08/21/2025		S		54,783⁽⁴⁾	D	$8.66	1,549,576	D
Class A Common Stock	09/22/2025		S		1,811⁽³⁾	D	$10.42	1,547,765	D
Class A Common Stock	10/21/2025		S		1,817⁽³⁾	D	$12.02	1,545,948	D
Class A Common Stock	11/21/2025		S		54,793⁽⁵⁾	D	$7.59	1,491,155	D
Class A Common Stock	12/22/2025		S		1,802⁽³⁾	D	$8.24	1,489,353	D
Class A Common Stock	01/21/2026		S		1,801⁽³⁾	D	$12.1	1,487,552	D
Class A Common Stock								989,514	I	By Spouse⁽⁶⁾

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreements intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) were dated April 19, 2022, April 14, 2023 and March 7, 2024.

2. The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreements intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) were dated April 19, 2022, April 14, 2023, March 7, 2024 and October 17, 2024.

3. The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) was dated May 28, 2025.

4. The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreements intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) were dated April 19, 2022, April 14, 2023, March 7, 2024, October 17, 2024 and May 28, 2025.

5. The shares were sold to cover taxes associated with the settlement of restricted stock units, pursuant to an automatic sale-to-cover instruction in the applicable award agreement, which award agreements intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) were dated April 19, 2022, April 14, 2023, March 7, 2024, October 17, 2024 and May 28, 2025.

6. Theresa Condor and Peter Platzer, as husband and wife, share beneficial ownership of the securities held by each other.

7. Reflects the correction of a rounding error in connection with adjustments following the issuer's reverse stock split that overstated the reporting person's holdings by two shares in previous filings.

	/s/ Griffin D. Foster, by Power of Attorney for Peter Plazter	04/10/2026
	** Signature of Reporting Person	Date
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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did SPIR Executive Chairman Peter Platzer report?

Peter Platzer reported multiple sales of Spire Global (SPIR) Class A Common Stock, totaling 204,248 shares. These sales occurred between May 2024 and January 2026 and were primarily executed as automatic sale-to-cover transactions related to tax obligations from restricted stock unit settlements.

Were Peter Platzer’s SPIR stock sales open-market transactions?

Yes. The Form 4 classifies the transactions as open-market sales of Class A Common Stock. Footnotes explain the shares were sold automatically to cover taxes from restricted stock unit settlements under award agreements designed to meet Rule 10b5-1(c) affirmative defense conditions.

How many SPIR shares does Peter Platzer hold after the latest reported sale?

After the January 21, 2026 sale of 1,801 shares at $12.10, Peter Platzer holds 1,487,552 shares of Spire Global Class A Common Stock directly. The filing also shows 989,514 shares held indirectly by his spouse, with both spouses sharing beneficial ownership of each other’s securities.

How does Rule 10b5-1(c) relate to Peter Platzer’s SPIR stock sales?

Footnotes state the stock sales were made under award agreements intended to satisfy Rule 10b5-1(c) affirmative defense conditions. This indicates the sales followed pre-established, automatic sale-to-cover instructions for tax obligations on restricted stock unit settlements, rather than discretionary timing decisions.

What indirect SPIR holdings are reported for Peter Platzer and his spouse?

The filing lists an indirect holding of 989,514 shares of Spire Global Class A Common Stock “By Spouse.” A footnote explains that Theresa Condor and Peter Platzer, as husband and wife, share beneficial ownership of the securities held by each other, covering these indirect holdings.