Was the NEXTNAV (NN) CEO’s share sale made under a Rule 10b5-1 plan?

Yes. The filing explains that Mariam Sorond’s June 1, 2026 share sales were carried out under a Rule 10b5‑1 sales plan. That plan was adopted on December 22, 2025, indicating the transactions were pre‑scheduled rather than opportunistic open‑market trades.

NextNav (NN) CEO pre-plans 69,853-share sale to cover tax withholding

Filing Impact

(Very High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

NEXTNAV INC. CEO, President and Director Mariam Sorond reported selling a total of 69,853 shares of common stock on June 1, 2026 in two open‑market transactions. The weighted average prices were $20.8898 for 2,300 shares and $19.8863 for 67,553 shares.

According to the footnotes, these sales were executed under a pre‑arranged Rule 10b5‑1 sales plan adopted on December 22, 2025, and the proceeds are intended to satisfy tax withholding obligations related to the vesting of underlying equity awards. The filing indicates she continues to hold a substantial direct ownership position after these transactions.

Insider Trade Summary 10b5-1

Net Seller: 69,853 shares ($1,391,426)

Net Sell 2 txns

Insider Sorond Mariam

Role CEO, President and Director

Sold 69,853 shs ($1.39M)

Type	Security	Shares	Price	Value
Sale	Common Stock	67,553	$19.8863	$1.34M
Sale	Common Stock	2,300	$20.8898	$48K

Holdings After Transaction: Common Stock — 1,246,795 shares (Direct, null)

Footnotes (1)

This sale was effected pursuant to a Rule 10b5-1 sales plan adopted by the Reporting Person on December 22, 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 price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.45 to $20.44, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or 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 Footnotes 2 and 3 to this Form 4. The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.46 to $21.27, inclusive.

Key Figures

Total shares sold: 69,853 shares First sale tranche: 2,300 shares at $20.8898/share Second sale tranche: 67,553 shares at $19.8863/share +1 more

4 metrics

Total shares sold 69,853 shares Combined open-market sales of common stock on June 1, 2026

First sale tranche 2,300 shares at $20.8898/share Weighted average price for smaller trade on June 1, 2026

Second sale tranche 67,553 shares at $19.8863/share Weighted average price for larger trade on June 1, 2026

Net shares sold 69,853 shares Net buy/sell shares from transaction summary (net-sell direction)

Key Terms

Rule 10b5-1 sales plan, weighted average price, tax withholding obligations, open-market sale

4 terms

Rule 10b5-1 sales plan regulatory

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

weighted average price financial

"The price in Column 4 is a weighted average price. These shares were sold in multiple transactions"

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

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

open-market sale financial

"transaction_action":"open-market sale","transaction_code_description":"Sale in open market or private transaction""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

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Form 4 Insider Transactions: What Each Field Means →

06/03/2026 - 09:00 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^*

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)
06/01/2026

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)
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)
Common Stock	06/01/2026		S⁽¹⁾		67,553	D	$19.8863⁽²⁾	1,246,795	D
Common Stock	06/01/2026		S⁽¹⁾		2,300	D	$20.8898⁽³⁾	1,244,495	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)
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. This sale was effected pursuant to a Rule 10b5-1 sales plan adopted by the Reporting Person on December 22, 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 price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.45 to $20.44, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or 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 Footnotes 2 and 3 to this Form 4.

3. The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.46 to $21.27, inclusive.

	/s/ James Black, by power of attorney	06/03/2026
	** 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 transaction did NEXTNAV INC. (NN) report for Mariam Sorond?

NEXTNAV INC. reported that CEO, President and Director Mariam Sorond sold 69,853 shares of common stock on June 1, 2026. The sales occurred in two open‑market transactions at weighted average prices of $20.8898 and $19.8863 per share, according to the Form 4 filing.

At what prices did NEXTNAV (NN) CEO Mariam Sorond sell her shares?

Mariam Sorond’s reported sales used weighted average prices of $20.8898 for 2,300 shares and $19.8863 for 67,553 shares. Footnotes note these were executed through multiple trades within price ranges from $19.45 to $21.27 per share on June 1, 2026.

Why did NEXTNAV CEO Mariam Sorond sell 69,853 NN shares?

The Form 4 states the proceeds from Mariam Sorond’s June 1, 2026 sales are intended to satisfy tax withholding obligations tied to vesting equity awards. The sales were executed under a pre‑arranged Rule 10b5‑1 plan adopted on December 22, 2025, indicating a scheduled, tax‑related transaction.

What type of transaction is shown in Mariam Sorond’s NEXTNAV Form 4?

The Form 4 reports open‑market sales of NEXTNAV common stock by Mariam Sorond. Both entries use transaction code “S,” described as sales in open market or private transactions, and are categorized as non‑derivative transactions involving directly held common shares.