NextNav COO Insley Susan Brasse sells 2,370 shares

The Chief Operating Officer's sale proceeds are intended to satisfy tax withholding obligations tied to vesting of underlying equity awards.

Rhea-AI Filing Summary

NEXTNAV INC. Chief Operating Officer Insley Susan Brasse sold 2,370 shares of common stock on September 24, 2026, at a weighted average price of $14.2202 per share. The sale was effected pursuant to a Rule 10b5-1 sales plan adopted on August 19, 2025; proceeds are intended to satisfy tax withholding obligations in connection with vesting of underlying equity awards. She directly held 163,835 shares after the sale.

Insider Trade Summary 10b5-1

Net Seller: 2,370 shares

Net Sell 1 txn

Insider Insley Susan Brasse

Role Chief Operating Officer

Sold 2,370 shs ($34K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2	2,370	$14.2202	$34K

Holdings After Transaction: Common Stock — 163,835 shares (Direct)

Footnotes (2)

1. F1. This sale was effected pursuant to a Rule 10b5-1 sales plan adopted by the Reporting Person on August 19, 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 $14.03 to $14.32 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

Common shares sold: 2,370 shares Weighted average sale price: $14.2202 per share Sale price range: $14.03 to $14.32 per share +1 more

4 metrics

Common shares sold 2,370 shares September 24, 2026

Weighted average sale price $14.2202 per share September 24, 2026

Sale price range $14.03 to $14.32 per share Multiple transactions on September 24, 2026

Direct shares following sale 163,835 shares Following the September 24, 2026 sale

Key Terms

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

4 terms

Rule 10b5-1 sales plan regulatory

"effected pursuant to a Rule 10b5-1 sales plan"

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.

tax withholding obligations financial

"satisfy tax withholding obligations"

vesting financial

"in connection with the vesting of the underlying equity awards"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

FAQ

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

How many NN shares did Insley Susan Brasse sell, and at what price?

Insley Susan Brasse, NEXTNAV INC.'s Chief Operating Officer, sold 2,370 shares on September 24, 2026, at a weighted average price of $14.2202 per share. The shares were sold in multiple transactions at prices ranging from $14.03 to $14.32 per share.

Was the NN COO's sale made under a Rule 10b5-1 plan?

Yes. The sale was effected pursuant to a Rule 10b5-1 sales plan adopted on August 19, 2025, and proceeds are intended to satisfy tax withholding obligations in connection with vesting of underlying equity awards.

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

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Available on EDGAR 09/25/2026 - 08:02 PM Accepted by SEC EDGAR 09/25/2026 - 08:00 PM 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^*

Insley Susan Brasse

(Last) (First) (Middle)

11911 FREEDOM DR.

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)
	Chief Operating Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/24/2026

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	09/24/2026		S(1)		2,370	D	$14.2202(2)	163,835	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 August 19, 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 $14.03 to $14.32 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, by power of attorney	09/25/2026
	** 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)