FIG Buyer GP, LLC - 17 Jun 2026 Form 4 Insider Report for NEXTNAV INC. (NN)

Reporting relationship
10%+ Owner
Issuer ticker
NN
Reported as of
17 Jun 2026
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
22 Jun 2026, 18:57:37 UTC
Prior SEC filing
26 Aug 2025
Next SEC filing
23 Jun 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ David N. Brooks - for FIG Buyer GP, LLC, By: David N. Brooks, its Secretary

Key filing fact

FIG Buyer GP, LLC filed Form 4 for NEXTNAV INC. (NN) on 22 Jun 2026.

Key facts

  • This page summarizes FIG Buyer GP, LLC's Form 4 filing for NEXTNAV INC. (NN).
  • 2 reported transactions and 10 derivative rows are listed below.
  • Accepted by SEC: 22 Jun 2026, 18:57.

Change

  • Previous filing in this sequence was filed on 26 Aug 2025.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (10)

CIK 0002024046 Primary reporting owner

FIG Buyer GP, LLC

Relationship
10%+ Owner
Address
1345 AVENUE OF THE AMERICAS, 46TH FLOOR, NEW YORK
Signature
/s/ David N. Brooks - for FIG Buyer GP, LLC, By: David N. Brooks, its Secretary
Signature date
22 Jun 2026
CIK 0001380393

Fortress Investment Group LLC

Relationship
10%+ Owner
Address
1345 AVENUE OF THE AMERICAS, 46TH FLOOR, NEW YORK
Signature
/s/ David N. Brooks - for Fortress Investment Group LLC, By: David N. Brooks, its Secretary
Signature date
22 Jun 2026
CIK 0001500292

Hybrid GP Holdings LLC

Relationship
10%+ Owner
Address
1345 AVENUE OF THE AMERICAS, 46TH FLOOR, NEW YORK
Signature
/s/ David N. Brooks - for Hybrid GP Holdings LLC, By: David N. Brooks, its Secretary
Signature date
22 Jun 2026
CIK 0001849502

Hybrid GP Holdings (Cayman) LLC

Relationship
10%+ Owner
Address
1345 AVENUE OF THE AMERICAS, 46TH FLOOR, NEW YORK
Signature
/s/ David N. Brooks - for Hybrid GP Holdings (Cayman) LLC, By: Hybrid GP Holdings LLC, By: David N. Brooks, its Secretary
Signature date
22 Jun 2026
CIK 0001387344

Fortress Operating Entity I LP

Relationship
10%+ Owner
Address
1345 AVENUE OF THE AMERICAS, 46TH FLOOR, NEW YORK
Signature
/s/ David N. Brooks - for Fortress Operating Entity I L.P., By: David N. Brooks, its Secretary
Signature date
22 Jun 2026
CIK 0001387345

FIG Blue LLC

Relationship
10%+ Owner
Address
1345 AVENUE OF THE AMERICAS, 46TH FLOOR, NEW YORK
Signature
/s/ David N. Brooks - for FIG Blue LLC, By: David N. Brooks, its Secretary
Signature date
22 Jun 2026
CIK 0001245521

FIG LLC

Relationship
10%+ Owner
Address
1345 AVENUE OF THE AMERICAS, 46TH FLOOR, NEW YORK
Signature
/s/ David N. Brooks - for FIG LLC, By: David N. Brooks, its Secretary
Signature date
22 Jun 2026
CIK 0001893285

FCOF V CDG Investments LLC

Relationship
10%+ Owner
Address
1345 AVENUE OF THE AMERICAS, 46TH FLOOR, NEW YORK
Signature
/s/ David N. Brooks - for FCOF V CDG Investments LLC, By: David N. Brooks, its Secretary
Signature date
22 Jun 2026
CIK 0001893401

FCO Fund V GP LLC

Relationship
10%+ Owner
Address
1345 AVENUE OF THE AMERICAS, 46TH FLOOR, NEW YORK
Signature
/s/ David N. Brooks - for FCO Fund V GP LLC, By: David N. Brooks, its Secretary
Signature date
22 Jun 2026
CIK 0001893413

Fortress Credit Opportunities V Advisors LLC

Relationship
10%+ Owner
Address
1345 AVENUE OF THE AMERICAS, 46TH FLOOR, NEW YORK
Signature
/s/ David N. Brooks - for Fortress Credit Opportunities V Advisors LLC, By: David N. Brooks, its Secretary
Signature date
22 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NN transaction

Common stock, par value $0.0001 per share

Conversion of derivative security

Transaction value
Shares
+3,989,738
Change %
Price
$12.56*
Shares after
3,989,738
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F1, F2, F3, F4, F5, F8
NN transaction

Common stock, par value $0.0001 per share

Conversion of derivative security

Transaction value
Shares
+3,989,738
Change %
Price
$12.56*
Shares after
3,989,738
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F1, F2, F3, F4, F5, F8
NN transaction

Common stock, par value $0.0001 per share

Conversion of derivative security

Transaction value
Shares
+3,989,738
Change %
Price
$12.56*
Shares after
3,989,738
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F1, F2, F3, F4, F5, F8
NN transaction

Common stock, par value $0.0001 per share

Conversion of derivative security

Transaction value
Shares
+3,989,738
Change %
Price
$12.56*
Shares after
3,989,738
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F1, F2, F3, F4, F5, F8
NN transaction

Common stock, par value $0.0001 per share

Conversion of derivative security

Transaction value
Shares
+3,989,738
Change %
Price
$12.56*
Shares after
3,989,738
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F1, F2, F3, F4, F5, F8
NN transaction

Common stock, par value $0.0001 per share

Conversion of derivative security

Transaction value
Shares
+3,989,738
Change %
Price
$12.56*
Shares after
3,989,738
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F1, F2, F3, F4, F5, F8
NN transaction

Common stock, par value $0.0001 per share

Conversion of derivative security

Transaction value
Shares
+3,989,738
Change %
Price
$12.56*
Shares after
3,989,738
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F1, F2, F3, F4, F5, F8
NN transaction

Common stock, par value $0.0001 per share

Conversion of derivative security

Transaction value
Shares
+3,989,738
Change %
Price
$12.56*
Shares after
3,989,738
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F1, F2, F3, F4, F5, F8
NN transaction

Common stock, par value $0.0001 per share

Conversion of derivative security

Transaction value
Shares
+3,989,738
Change %
Price
$12.56*
Shares after
3,989,738
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F1, F2, F3, F4, F5, F8
NN transaction

Common stock, par value $0.0001 per share

Conversion of derivative security

Transaction value
Shares
+3,989,738
Change %
Price
$12.56*
Shares after
3,989,738
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F1, F2, F3, F4, F5, F8
NN holding

Common stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,500,000
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F3, F4, F5, F6, F8
NN holding

Common stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,500,000
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F3, F4, F5, F6, F8
NN holding

Common stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,500,000
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F3, F4, F5, F6, F8
NN holding

Common stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,500,000
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F3, F4, F5, F6, F8
NN holding

Common stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,500,000
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F3, F4, F5, F6, F8
NN holding

Common stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,500,000
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F3, F4, F5, F6, F8
NN holding

Common stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,500,000
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F3, F4, F5, F6, F8
NN holding

Common stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,500,000
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F3, F4, F5, F6, F8
NN holding

Common stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,500,000
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F3, F4, F5, F6, F8
NN holding

Common stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,500,000
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F3, F4, F5, F6, F8
NN holding

Common stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
11,678,054
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F3, F4, F5, F7, F8
NN holding

Common stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
11,678,054
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F3, F4, F5, F7, F8
NN holding

Common stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
11,678,054
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F3, F4, F5, F7, F8
NN holding

Common stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
11,678,054
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F3, F4, F5, F7, F8
NN holding

Common stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
11,678,054
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F3, F4, F5, F7, F8
NN holding

Common stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
11,678,054
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F3, F4, F5, F7, F8
NN holding

Common stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
11,678,054
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F3, F4, F5, F7, F8
NN holding

Common stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
11,678,054
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F3, F4, F5, F7, F8
NN holding

Common stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
11,678,054
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F3, F4, F5, F7, F8
NN holding

Common stock, par value $0.0001 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
11,678,054
Date
17 Jun 2026
Ownership
See Footnotes
Footnotes
F3, F4, F5, F7, F8

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

NN transaction Derivative

5.00% Senior Secured Convertible Notes due 2028

Conversion of derivative security

Transaction value
Shares
-50,000,000
Change %
-100%
Price
$0.000000*
Shares after
0
Date
17 Jun 2026
Ownership
See Footnotes
Underlying class
Common Stock
Underlying amount
3,989,738
Exercise price
$12.56
Footnotes
F1, F2, F3, F4, F5, F8
NN transaction Derivative

5.00% Senior Secured Convertible Notes due 2028

Conversion of derivative security

Transaction value
Shares
-50,000,000
Change %
-100%
Price
$0.000000*
Shares after
0
Date
17 Jun 2026
Ownership
See Footnotes
Underlying class
Common Stock
Underlying amount
3,989,738
Exercise price
$12.56
Footnotes
F1, F2, F3, F4, F5, F8
NN transaction Derivative

5.00% Senior Secured Convertible Notes due 2028

Conversion of derivative security

Transaction value
Shares
-50,000,000
Change %
-100%
Price
$0.000000*
Shares after
0
Date
17 Jun 2026
Ownership
See Footnotes
Underlying class
Common Stock
Underlying amount
3,989,738
Exercise price
$12.56
Footnotes
F1, F2, F3, F4, F5, F8
NN transaction Derivative

5.00% Senior Secured Convertible Notes due 2028

Conversion of derivative security

Transaction value
Shares
-50,000,000
Change %
-100%
Price
$0.000000*
Shares after
0
Date
17 Jun 2026
Ownership
See Footnotes
Underlying class
Common Stock
Underlying amount
3,989,738
Exercise price
$12.56
Footnotes
F1, F2, F3, F4, F5, F8
NN transaction Derivative

5.00% Senior Secured Convertible Notes due 2028

Conversion of derivative security

Transaction value
Shares
-50,000,000
Change %
-100%
Price
$0.000000*
Shares after
0
Date
17 Jun 2026
Ownership
See Footnotes
Underlying class
Common Stock
Underlying amount
3,989,738
Exercise price
$12.56
Footnotes
F1, F2, F3, F4, F5, F8
NN transaction Derivative

5.00% Senior Secured Convertible Notes due 2028

Conversion of derivative security

Transaction value
Shares
-50,000,000
Change %
-100%
Price
$0.000000*
Shares after
0
Date
17 Jun 2026
Ownership
See Footnotes
Underlying class
Common Stock
Underlying amount
3,989,738
Exercise price
$12.56
Footnotes
F1, F2, F3, F4, F5, F8
NN transaction Derivative

5.00% Senior Secured Convertible Notes due 2028

Conversion of derivative security

Transaction value
Shares
-50,000,000
Change %
-100%
Price
$0.000000*
Shares after
0
Date
17 Jun 2026
Ownership
See Footnotes
Underlying class
Common Stock
Underlying amount
3,989,738
Exercise price
$12.56
Footnotes
F1, F2, F3, F4, F5, F8
NN transaction Derivative

5.00% Senior Secured Convertible Notes due 2028

Conversion of derivative security

Transaction value
Shares
-50,000,000
Change %
-100%
Price
$0.000000*
Shares after
0
Date
17 Jun 2026
Ownership
See Footnotes
Underlying class
Common Stock
Underlying amount
3,989,738
Exercise price
$12.56
Footnotes
F1, F2, F3, F4, F5, F8
NN transaction Derivative

5.00% Senior Secured Convertible Notes due 2028

Conversion of derivative security

Transaction value
Shares
-50,000,000
Change %
-100%
Price
$0.000000*
Shares after
0
Date
17 Jun 2026
Ownership
See Footnotes
Underlying class
Common Stock
Underlying amount
3,989,738
Exercise price
$12.56
Footnotes
F1, F2, F3, F4, F5, F8
NN transaction Derivative

5.00% Senior Secured Convertible Notes due 2028

Conversion of derivative security

Transaction value
Shares
-50,000,000
Change %
-100%
Price
$0.000000*
Shares after
0
Date
17 Jun 2026
Ownership
See Footnotes
Underlying class
Common Stock
Underlying amount
3,989,738
Exercise price
$12.56
Footnotes
F1, F2, F3, F4, F5, F8
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 8 footnotes

Footnote F1

The 5.00% Senior Secured Notes due 2028 (the "Convertible Notes") are convertible at any time into a number of shares of Common Stock equal to (i) the sum of the then-outstanding principal amount of the Convertible Notes to be converted plus all accrued and unpaid interest to the date of the conversion divided by (ii) $12.56, subject to the terms of the Note Purchase Agreement.

Footnote F2

Held directly by CF NNAV-CNV LLC ("CF NNAV-CNV"). FCOF V UL Investments LLC, a Delaware limited liability company ("FCOF V UL"), is the majority member of CF NNAV-CNV. Fortress Credit Opportunities Fund V(A) L.P., a Cayman limited partnership ("FCOF V(A)"), FCOF V B Investments LLC, a Delaware limited liability company, FCOF V CDG Investments LLC, a Delaware limited liability company ("FCOF V CDG Investments"), and Fortress Credit Opportunities Fund V(E) L.P., a Delaware limited partnership ("FCOF V(E)") collectively hold a 100% interest in FCOF V UL.

Footnote F3

FCO Fund V GP LLC, a Delaware limited liability company ("FCO Fund V GP") is the general partner of FCOF V(A), Fortress Credit Opportunities Fund V(B) L.P., a Cayman limited partnership ("FCOF V(B)"), Fortress Credit Opportunities Fund V(C) L.P., a Cayman limited partnership ("FCOF V(C)"), Fortress Credit Opportunities Fund V(D) L.P., a Cayman limited partnership ("FCOF V(D)"), FCOF V(E) and Fortress Credit Opportunities Fund V(G) L.P., a Cayman limited partnership ("FCOF V(G)"). Fortress Credit Opportunities V Advisors LLC, a Delaware limited liability company ("FCO V Advisors"), is the investment advisor of FCOF V(A), FCOF V(B), FCOF V(D), FCOF V(E) and FCOF V(G). Fortress Credit Opportunities V-C Advisors LLC, a Delaware limited liability company ("FCO V-C Advisors") is the investment advisor of FCOF V(C).

Footnote F4

FIG LLC, a Delaware limited liability company ("FIG") holds all of the interests in FCO V Advisors and FCO V-C Advisors. Hybrid GP Holdings (Cayman) LLC, a Delaware limited liability company ("Hybrid GP Holdings (Cayman)") holds all of the interests in FCO Fund V GP. Hybrid GP Holdings LLC, a Delaware limited liability company ("Hybrid GP Holdings") holds all of the interests in Hybrid GP Holdings (Cayman).

Footnote F5

Fortress Operating Entity I LP, a Delaware limited partnership ("FOE I"), is the managing member of Hybrid GP Holdings, and the owner of all of the issued and outstanding interests of FIG. FIG Blue LLC, a Delaware limited liability company ("FIG Blue"), is the general partner of FOE I. FIG Blue is wholly owned by Fortress Investment Group LLC, a Delaware limited liability company ("Fortress Investment Group"). FINCO I Intermediate Holdco LLC, a Delaware limited liability company ("FINCO I IH"), is the sole member of Fortress Investment Group. FINCO I LLC, a Delaware limited liability company, is the sole member of FINCO I IH. FIG Parent, LLC, a Delaware limited liability company ("FIG Parent"), is the sole member of FINCO I LLC. Foundation Holdco LP, a Delaware limited partnership ("Foundation Holdco"), is the sole member of FIG Parent. FIG Buyer GP, LLC, a Delaware limited liability company is the general partner of Foundation Holdco.

Footnote F6

Held directly by CF NNAV-P LLC ("CF NNAV-P"). FCOF V UB Investments L.P., a Cayman Islands limited partnership ("FCOF V UB"), is the majority member of CF NNAV-P. FCOF V(A), FCOF V(B), FCOF V(C), FCOF V(D), FCOF V(E) and FCOF V(G), collectively hold a 100% interest in FCOF V UB.

Footnote F7

Held directly by CF NNAV-E LLC ("CF NNAV-E"). FCOF V UST LLC, a Delaware limited liability company ("FCOF V UST") is the majority member of CF NNAV-E. FCOF V CDG Investments is the majority member of FCOF V UST. FCOF V(G) is the majority member of FCOF V CDG Investments.

Footnote F8

Each reporting person disclaims beneficial ownership of all reported securities except to the extent of its pecuniary interest therein and the inclusion of the securities in this report shall not be deemed to be an admission of beneficial ownership of the reported shares for the purposes of Section 16 or otherwise.

SEC remarks

This Form 4 is one of two reports relating to the same transactions being filed jointly by FIG Buyer GP, LLC, Fortress Investment Group LLC, Hybrid GP Holdings LLC, Hybrid GP Holdings (Cayman) LLC, Fortress Operating Entity I L.P., FIG Blue LLC, FIG LLC, FCOF V CDG Investments LLC, FCO Fund V GP LLC, Fortress Credit Opportunities V Advisors LLC, Foundation Holdco LP, FIG Parent, LLC, FINCO I LLC, FINCO I Intermediate Holdco LLC, CF NNAV-E LLC and FCOF V UST LLC.

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