NEXTNAV counsel sells 1,878 shares under 10b5-1 plan

Rhea-AI Filing Summary

NEXTNAV INC. General Counsel James S. Black sold 1,878 shares of common stock in an open-market transaction at a weighted average price of $22.9554 per share. The sale was made under a pre-arranged Rule 10b5-1 plan and is intended to cover tax withholding on vested equity awards. Following the sale, he holds 91,688 shares directly.

Insider Trade Summary 10b5-1

Net Seller: 1,878 shares

Net Sell 1 txn

Insider Black James S

Role General Counsel

Sold 1,878 shs ($43K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,878	$22.9554	$43K

Holdings After Transaction: Common Stock — 91,688 shares (Direct)

Footnotes (2)

1. F1. This sale was effected pursuant to a Rule 10b5-1 sales plan adopted by the Reporting Person on December 11, 2025 and the proceeds are intended to be used to satisfy tax withholding obligations in connection with the vesting of the underlying equity awards.
2. F2. The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.41 to $23.20 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Key Figures

Shares sold: 1,878 shares Weighted average sale price: $22.9554 per share Post-transaction holdings: 91,688 shares +2 more

5 metrics

Shares sold 1,878 shares Open-market sale on 2026-06-12

Weighted average sale price $22.9554 per share Common stock sale on 2026-06-12

Post-transaction holdings 91,688 shares Common stock directly held after sale

Price range of trades $22.41–$23.20 per share Multiple transactions included in reported sale

Net share direction 1,878 net shares sold transactionSummary net-sell

Key Terms

Rule 10b5-1 sales plan, tax withholding obligations, weighted average price, multiple transactions

4 terms

Rule 10b5-1 sales plan financial

"This sale was effected pursuant to a Rule 10b5-1 sales plan adopted by the Reporting Person on December 11, 2025"

tax withholding obligations financial

"proceeds are intended to be used to satisfy tax withholding obligations in connection with the vesting of the underlying equity awards"

weighted average price financial

"The reported price is a weighted average price"

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

multiple transactions financial

"These shares were sold in multiple transactions at prices ranging from $22.41 to $23.20 per share"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did NEXTNAV (NN) General Counsel James S. Black do in this Form 4?

James S. Black sold 1,878 shares of NEXTNAV common stock in an open-market transaction. The sale was executed under a Rule 10b5-1 plan and is intended to cover tax withholding obligations tied to vesting of his equity awards.

At what price did NEXTNAV (NN) shares sell in James S. Black’s transaction?

The reported sale used a weighted average price of $22.9554 per share. Footnotes explain the actual trades occurred between $22.41 and $23.20 per share, and detailed price breakdowns are available upon request from the company or the SEC staff.

How many NEXTNAV (NN) shares does James S. Black hold after this sale?

After selling 1,878 shares, James S. Black directly holds 91,688 NEXTNAV common shares. This remaining position reflects his continued equity stake following the open-market transaction reported in the Form 4 insider ownership filing.

Was the NEXTNAV (NN) insider sale by James S. Black pre-planned?

Yes. The filing states the sale was effected under a Rule 10b5-1 sales plan adopted on December 11, 2025. Such plans pre-schedule trades, making the timing more routine and primarily linked to liquidity or tax needs rather than discretionary market timing.

Why were NEXTNAV (NN) shares sold by James S. Black according to the filing?

The proceeds from the 1,878-share sale are intended to satisfy tax withholding obligations on vested equity awards. This links the transaction to compensation-related tax needs rather than a change in his long-term view of NEXTNAV’s common stock.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/16/2026 - 09:00 PM EDT Learn about SEC filing dates

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).

X

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^*

Black James S

(Last) (First) (Middle)

11911 FREEDOM DRIVE

SUITE 200

(Street)

RESTON VIRGINIA 20190

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
NEXTNAV INC. [ NN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	General Counsel

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/12/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/12/2026		S(1)		1,878	D	$22.9554(2)	91,688	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This sale was effected pursuant to a Rule 10b5-1 sales plan adopted by the Reporting Person on December 11, 2025 and the proceeds are intended to be used to satisfy tax withholding obligations in connection with the vesting of the underlying equity awards.

2. The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.41 to $23.20 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

	/s/ James Black	06/16/2026
	** 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)