SEC ownership of NEXTNAV INC.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001865631.

Comparable stake leader

FIG Buyer GP, LLC

Disclosed value leader

FIG Buyer GP, LLC

Comparable rows

50/50

Latest evidence

22 Jun 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
FIG Buyer GP, LLC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
22 Jun 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001865631
Issuer location
Reston, VA

Ownership snapshot

Top shareholders of NEXTNAV INC. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
FIG Buyer GP, LLC
Disclosed value leader
FIG Buyer GP, LLC
Comparable rows
50/50
Latest evidence
22 Jun 2026
13D/G 3/4/5 13F Lead comparable stake: 15% 13D/G row: FIG Buyer GP, LLC Showing 1-8 of 50 holder rows.

Quick read

FIG Buyer GP, LLC leads the comparable SEC ownership view at 15%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens FIG Buyer GP, LLC's linked filing trail.
Comparable ownership Top 5
FIG Buyer GP, LLC 15%
Joseph D. Samberg 10%
OSI Capital Management LLC 9.8%
CAPITAL VENTURES INTERNATIONAL 7.1%
Wolf Hill Capital Management, LP 6%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
FIG Buyer GP, LLC
13D/G 3/4/5
10%+ Owner
15%
$337,060,664
22,058,944 shares
+$29,796,000 31 Mar 2026
Joseph D. Samberg
13D/G 3/4/5
10%+ Owner
10%
$171,945,000
13,755,600 shares
+$4,195,000 21 Nov 2025
OSI Capital Management LLC
13D/G 3/4/5
10%+ Owner
9.8%
$187,896,552
13,260,166 shares
$0 31 Dec 2025
CAPITAL VENTURES INTERNATIONAL
13D/G
7.1%
$137,316,923
9,602,582 shares
+$22,691,454 30 Sep 2025
Wolf Hill Capital Management, LP
13D/G 13F
Company
6%
$123,977,198
8,113,691 shares
$0 31 Mar 2026
PointState Capital LP
13D/G
5.7%
$138,670,315
7,733,983 shares
$0 15 May 2026
BlackRock, Inc.
13F 13D/G
Company
5.1%
from 13D/G
$119,791,072
7,477,595 shares
31 Mar 2026
Neil S. Subin
3/4/5 13D/G
Director · Milfam CI LLC Spartacus
3.9%
from 13D/G
$119,381,462
7,900,932 shares
22 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$12,784,901.

Buys
$693,300
Insiders: 1
Sells
$13,478,201
Insiders: 7
Net
-$12,784,901
Shares: -901,624
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 58,457 Shares: 960,081
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 79,786 $0 $1,579,230 -$1,579,230
3-6 0 110,498 $0 $1,900,093 -$1,900,093
6-9 58,457 690,103 $693,300 $8,607,341 -$7,914,041
9-12 0 79,694 $0 $1,391,536 -$1,391,536

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 45 reporting-owner rows connected to NEXTNAV INC.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
45
Largest Forms 3/4/5 holder
Joseph D. Samberg
Net 12M change
-$12,784,901
Latest report
29 Jun 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Joseph D. Samberg 10%+ Owner $146,957,816 -$6,725,080 -4.4% Mixed 21 Nov 2025
Neil S. Subin Director $119,381,462 Mixed 22 Jun 2026
Foundation Holdco LP 10%+ Owner $63,915,602 Mixed 17 Jun 2026
CF NNAV-E LLC 10%+ Owner $63,915,602 Mixed 17 Jun 2026
FCO Fund V GP LLC 10%+ Owner $63,915,602 Mixed 17 Jun 2026
Fortress Credit Opportunities V Advisors LLC 10%+ Owner $63,915,602 Mixed 17 Jun 2026
FIG Blue LLC 10%+ Owner $63,915,602 Mixed 17 Jun 2026
FINCO I LLC 10%+ Owner $63,915,602 Mixed 17 Jun 2026
FIG Parent, LLC 10%+ Owner $63,915,602 Mixed 17 Jun 2026
FINCO I Intermediate Holdco LLC 10%+ Owner $63,915,602 Mixed 17 Jun 2026
FIG LLC 10%+ Owner $63,915,602 Mixed 17 Jun 2026
Hybrid GP Holdings LLC 10%+ Owner $63,915,602 Mixed 17 Jun 2026
FCOF V CDG Investments LLC 10%+ Owner $63,915,602 Mixed 17 Jun 2026
FIG Buyer GP, LLC 10%+ Owner $63,915,602 Mixed 17 Jun 2026
FCOF V UST LLC 10%+ Owner $63,915,602 Mixed 17 Jun 2026
Fortress Investment Group LLC 10%+ Owner $63,915,602 Mixed 17 Jun 2026
Hybrid GP Holdings (Cayman) LLC 10%+ Owner $63,915,602 Mixed 17 Jun 2026
Fortress Operating Entity I LP 10%+ Owner $63,915,602 Mixed 17 Jun 2026
OSI Capital Management LLC 10%+ Owner $52,449,639 Mixed 23 Aug 2023
James B. Fleming Jr. Director, 10%+ Owner $38,497,227 Mixed 28 Oct 2021

Recent insider transactions for NEXTNAV INC.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Sammaad Shams NN Common Stock Sale -2.75% $35,778 $17.84 -2,006 70,944 29 Jun 2026 Direct
Susan Brasse Insley NN Common Stock Sale -1.4% $40,602 $17.13 -2,370 167,054 24 Jun 2026 Direct
Neil S. Subin NN Common Stock Exercise of in-the-money or at-the-money derivative security 9.94% 250,000 2,765,213 23 Jun 2026 MILFAM Investments LLC
Neil S. Subin NN Warrants Exercise of in-the-money or at-the-money derivative security -100% -250,000 0 23 Jun 2026 MILFAM Investments LLC
Neil S. Subin NN Common Stock Conversion of derivative security 502,707 502,707 22 Jun 2026 Persian Road I, LP
Neil S. Subin NN 5.00% Senior Secured Convertible Notes due 2028 Conversion of derivative security -100% -502,707 0 22 Jun 2026 Persian Road I, LP
Foundation Holdco LP NN Common stock, par value $0.0001 per share Conversion of derivative security 3,989,738 3,989,738 17 Jun 2026 See Footnotes
Foundation Holdco LP NN Common stock, par value $0.0001 per share Conversion of derivative security 3,989,738 3,989,738 17 Jun 2026 See Footnotes
Foundation Holdco LP NN Common stock, par value $0.0001 per share Conversion of derivative security 3,989,738 3,989,738 17 Jun 2026 See Footnotes
Foundation Holdco LP NN Common stock, par value $0.0001 per share Conversion of derivative security 3,989,738 3,989,738 17 Jun 2026 See Footnotes
Foundation Holdco LP NN Common stock, par value $0.0001 per share Conversion of derivative security 3,989,738 3,989,738 17 Jun 2026 See Footnotes
Foundation Holdco LP NN Common stock, par value $0.0001 per share Conversion of derivative security 3,989,738 3,989,738 17 Jun 2026 See Footnotes
Foundation Holdco LP NN 5.00% Senior Secured Convertible Notes due 2028 Conversion of derivative security -100% -50,000,000 0 17 Jun 2026 See Footnotes
Foundation Holdco LP NN 5.00% Senior Secured Convertible Notes due 2028 Conversion of derivative security -100% -50,000,000 0 17 Jun 2026 See Footnotes
Foundation Holdco LP NN 5.00% Senior Secured Convertible Notes due 2028 Conversion of derivative security -100% -50,000,000 0 17 Jun 2026 See Footnotes
Foundation Holdco LP NN 5.00% Senior Secured Convertible Notes due 2028 Conversion of derivative security -100% -50,000,000 0 17 Jun 2026 See Footnotes
Foundation Holdco LP NN 5.00% Senior Secured Convertible Notes due 2028 Conversion of derivative security -100% -50,000,000 0 17 Jun 2026 See Footnotes
Foundation Holdco LP NN 5.00% Senior Secured Convertible Notes due 2028 Conversion of derivative security -100% -50,000,000 0 17 Jun 2026 See Footnotes
FIG Buyer GP, LLC NN Common stock, par value $0.0001 per share Conversion of derivative security 3,989,738 3,989,738 17 Jun 2026 See Footnotes
FIG Buyer GP, LLC NN Common stock, par value $0.0001 per share Conversion of derivative security 3,989,738 3,989,738 17 Jun 2026 See Footnotes
FIG Buyer GP, LLC NN Common stock, par value $0.0001 per share Conversion of derivative security 3,989,738 3,989,738 17 Jun 2026 See Footnotes
FIG Buyer GP, LLC NN Common stock, par value $0.0001 per share Conversion of derivative security 3,989,738 3,989,738 17 Jun 2026 See Footnotes
FIG Buyer GP, LLC NN Common stock, par value $0.0001 per share Conversion of derivative security 3,989,738 3,989,738 17 Jun 2026 See Footnotes
FIG Buyer GP, LLC NN Common stock, par value $0.0001 per share Conversion of derivative security 3,989,738 3,989,738 17 Jun 2026 See Footnotes
FIG Buyer GP, LLC NN Common stock, par value $0.0001 per share Conversion of derivative security 3,989,738 3,989,738 17 Jun 2026 See Footnotes
FIG Buyer GP, LLC NN Common stock, par value $0.0001 per share Conversion of derivative security 3,989,738 3,989,738 17 Jun 2026 See Footnotes
FIG Buyer GP, LLC NN Common stock, par value $0.0001 per share Conversion of derivative security 3,989,738 3,989,738 17 Jun 2026 See Footnotes
FIG Buyer GP, LLC NN Common stock, par value $0.0001 per share Conversion of derivative security 3,989,738 3,989,738 17 Jun 2026 See Footnotes
FIG Buyer GP, LLC NN 5.00% Senior Secured Convertible Notes due 2028 Conversion of derivative security -100% -50,000,000 0 17 Jun 2026 See Footnotes
FIG Buyer GP, LLC NN 5.00% Senior Secured Convertible Notes due 2028 Conversion of derivative security -100% -50,000,000 0 17 Jun 2026 See Footnotes
FIG Buyer GP, LLC NN 5.00% Senior Secured Convertible Notes due 2028 Conversion of derivative security -100% -50,000,000 0 17 Jun 2026 See Footnotes
FIG Buyer GP, LLC NN 5.00% Senior Secured Convertible Notes due 2028 Conversion of derivative security -100% -50,000,000 0 17 Jun 2026 See Footnotes
FIG Buyer GP, LLC NN 5.00% Senior Secured Convertible Notes due 2028 Conversion of derivative security -100% -50,000,000 0 17 Jun 2026 See Footnotes
FIG Buyer GP, LLC NN 5.00% Senior Secured Convertible Notes due 2028 Conversion of derivative security -100% -50,000,000 0 17 Jun 2026 See Footnotes
FIG Buyer GP, LLC NN 5.00% Senior Secured Convertible Notes due 2028 Conversion of derivative security -100% -50,000,000 0 17 Jun 2026 See Footnotes
FIG Buyer GP, LLC NN 5.00% Senior Secured Convertible Notes due 2028 Conversion of derivative security -100% -50,000,000 0 17 Jun 2026 See Footnotes
FIG Buyer GP, LLC NN 5.00% Senior Secured Convertible Notes due 2028 Conversion of derivative security -100% -50,000,000 0 17 Jun 2026 See Footnotes
FIG Buyer GP, LLC NN 5.00% Senior Secured Convertible Notes due 2028 Conversion of derivative security -100% -50,000,000 0 17 Jun 2026 See Footnotes
Susan Brasse Insley NN Common Stock Sale -0.5% $16,437 $19.36 -849 169,424 16 Jun 2026 Direct
Mariam Sorond NN Common Stock Sale -0.23% $51,878 $18.33 -2,830 1,241,665 16 Jun 2026 Direct
James S. Black NN Common Stock Sale -2.01% $43,110 $22.96 -1,878 91,688 12 Jun 2026 Direct
Mariam Sorond NN Common Stock Sale -5.31% $1,391,426 $19.92 -69,853 1,244,495 01 Jun 2026 Direct
Bandel L. Carano NN Common Stock Award 4.17% 7,550 188,568 21 May 2026 Direct
Jonathan Anthony Marcus NN Common Stock Award 24.4% 7,550 38,444 21 May 2026 Direct
Lisa Hook NN Common Stock Award 166.1% 7,550 12,095 21 May 2026 Direct
Alan B. Howe NN Common Stock Award 2.29% 7,550 336,661 21 May 2026 Direct
Hugh Wyman Howard III NN Common Stock Award 57.4% 7,550 20,704 21 May 2026 Direct
Nicola Palmer NN Common Stock Award 24.5% 7,550 38,327 21 May 2026 Direct
John B. Muleta NN Common Stock Award 12.7% 7,550 66,830 21 May 2026 Direct
Lorin Selby NN Common Stock Award 57.4% 7,550 20,704 21 May 2026 Direct
* marks a reported price that did not pass the local price check.
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