NextNav (NN) CEO Sorond sells 11,322 shares under Rule 10b5-1 plan

Rhea-AI Filing Summary

NEXTNAV INC. CEO, President and Director Mariam Sorond reported an open-market sale of 11,322 shares of common stock on March 17, 2026 at a weighted average price of $16.8517 per share. The trades occurred in multiple transactions between $16.64 and $17.01 per share. After the sale, Sorond directly holds 1,259,624 shares. The sale was made under a pre-arranged Rule 10b5-1 trading plan adopted on March 21, 2025, and the proceeds are intended to cover tax withholding obligations related to vesting equity awards.

Insider Trade Summary 10b5-1

Net Seller: 11,322 shares ($190,795)

Net Sell 1 txn

Insider Sorond Mariam

Role CEO, President and Director

Sold 11,322 shs ($191K)

Type	Security	Shares	Price	Value
Sale	Common Stock	11,322	$16.8517	$191K

Holdings After Transaction: Common Stock — 1,259,624 shares (Direct)

Footnotes (1)

1. This sale was effected pursuant to a Rule 10b5-1 sales plan adopted by the Reporting Person on March 21, 2025 and the proceeds are intended to be used to satisfy tax withholding obligations in connection with the vesting of the underlying equity awards. The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.64 to $17.01 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.

Form 4 Insider Transactions: What Each Field Means →

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^*

Sorond Mariam

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CEO, President and Director

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/17/2026

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	03/17/2026		S(1)		11,322	D	$16.8517(2)	1,259,624	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 March 21, 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 $16.64 to $17.01 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	03/19/2026
	** 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)

FAQ

What insider transaction did NEXTNAV INC. (NN) disclose for Mariam Sorond?

NEXTNAV INC. reported that CEO, President and Director Mariam Sorond sold 11,322 shares of common stock in an open-market transaction, using a Rule 10b5-1 trading plan, with shares sold between $16.64 and $17.01 per share.

At what price did Mariam Sorond sell NEXTNAV (NN) shares in this Form 4?

The filing shows a weighted average sale price of $16.8517 per share, with individual trades executed between $16.64 and $17.01 per share, reflecting multiple transactions within that disclosed price range.

How many NEXTNAV (NN) shares does Mariam Sorond hold after the reported sale?

After selling 11,322 shares, Mariam Sorond directly holds 1,259,624 shares of NEXTNAV INC. common stock, according to the Form 4, which provides the post-transaction ownership figure as part of the reported insider activity.

Was the NEXTNAV (NN) insider sale by Mariam Sorond under a Rule 10b5-1 plan?

Yes. The filing states the sale was made under a Rule 10b5-1 sales plan adopted on March 21, 2025, indicating the transactions were pre-arranged rather than timed discretionarily around short-term market movements.

Why did NEXTNAV CEO Mariam Sorond sell shares in this Form 4 filing?

The company reports that sale proceeds are intended to satisfy tax withholding obligations tied to the vesting of underlying equity awards, meaning the transaction is linked to compensation-related tax liabilities rather than a standalone portfolio reallocation.

What type of transaction code appears in Mariam Sorond’s NEXTNAV (NN) Form 4?

The Form 4 lists transaction code “S,” described as a sale in an open market or private transaction, confirming that the reported activity is an open-market sale of common stock rather than an option exercise, gift, or tax-withholding entry.