Neil S. Subin

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Stuart, FL
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ James S. Black, by power of attorney
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Transaction source note
Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Neil S. Subin

Form 4 holding Director

NEXTNAV INC.

Security class
Common Stock
Shares / value
2,765,213
Estimated value
$44,298,712
Report date
23 Jun 2026
Price
$16.02
Ownership
MILFAM Investments LLC
Form 4 holding Director

NEXTNAV INC.

Security class
Common Stock
Shares / value
2,515,213
Estimated value
$40,293,712
Report date
21 May 2026
Price
$16.02
Ownership
By MILFAM Investments LLC
Form 4 holding Director

NEXTNAV INC.

Security class
Common Stock
Shares / value
1,948,907
Estimated value
$24,030,023
Report date
30 Jun 2025
Price
$12.33
Ownership
By MILFAM CI LLC SPARTACUS
Form 4 holding 10%+ Owner

Spartacus Acquisition Corp

Security class
Class A Common Stock
Shares / value
1,605,000
Estimated value
$16,050,000
Report date
28 Oct 2021
Price
$10.00
Ownership
Indirect
Form 4 holding Director

NEXTNAV INC.

Security class
Common Stock
Shares / value
502,707
Estimated value
$8,053,366
Report date
22 Jun 2026
Price
$16.02
Ownership
Persian Road I, LP
Form 4 holding Director

CENTRUS ENERGY CORP

Security class
CLASS A COMMON STOCK
Shares / value
38,933
Estimated value
$2,080,782
Report date
20 Jun 2023
Price
$53.45
Ownership
Direct
Form 4 holding 10%+ Owner

Spartacus Acquisition Corp

Security class
Class B Common Stock
Shares / value
4,145,498
Estimated value
Report date
27 Oct 2021
Price
Ownership
Indirect
Underlying class
Class A Comon Stock
Underlying amount
Form 4 holding 10%+ Owner

Spartacus Acquisition Corp

Security class
Warrants
Shares / value
4,140,085
Estimated value
Report date
26 Oct 2021
Price
Ownership
Indirect
Underlying class
Class A Comon Stock
Underlying amount
Form 4 holding Director

NEXTNAV INC.

Security class
5.00% Senior Secured Convertible Notes due 2028
Shares / value
0
Estimated value
Report date
22 Jun 2026
Price
Ownership
Persian Road I, LP
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

NEXTNAV INC.

Security class
Warrants
Shares / value
0
Estimated value
Report date
23 Jun 2026
Price
Ownership
MILFAM Investments LLC
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Neil S. Subin

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