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Mariam Sorond

NN
CEO, PRESIDENT AND DIRECTOR · NEXTNAV INC. · CIK 0001998558
FILING MIX · LIFETIME41%/59%
BUYS
9
SELLS
13
TOTAL VALUE
$10.87M
COMPANIES
1
ACTIVE SINCE
Nov 2023
HOLDINGS NOW
1,241,665
AVG SELL PX
$16.04
TRADE KIND
SHOWING 22 / 22
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
10 backtested trades · 8 horizons · 19 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Mariam Sorond, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d10+40.00%+3.23%+0.46%+2.77%+1.52%—
14d10+60.00%+3.17%+0.06%+3.10%+0.63%—
30d10+60.00%+0.60%+0.01%+0.59%+0.39%—
60d10+50.00%-2.36%+4.85%-7.22%-3.56%—
90d10+40.00%+1.94%+4.26%-7.04%-9.13%—
180d10(3 pending)+57.14%+6.84%+6.76%-7.22%-11.52%—
1y10(6 pending)+50.00%+13.59%+17.90%-4.31%-10.94%—
2y10(10 pending)——————
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
NN · 1,241,665 shares · as of Jun 16, 2026
0443,529887,0591,330,5881,774,117202420252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 9 buys / 13 sellsCOVERAGE · 11 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
NN
NEXTNAV INC.
SALE10b5-1
10b5-1 plan
2,830$18.33$51.9K1,241,665Jun 16, 2026Jun 18, 2026 ↗View →
NN
NEXTNAV INC.
SALE10b5-1
10b5-1 plan
67,553$19.89$1.34M1,246,795Jun 1, 2026Jun 3, 2026 ↗View →
NN
NEXTNAV INC.
SALE10b5-1
10b5-1 plan
2,300$20.89$48.0K1,244,495Jun 1, 2026Jun 3, 2026 ↗View →
NN
NEXTNAV INC.
PURCHASEGRANT
Stock grant
724,112——724,112Mar 19, 2026Mar 23, 2026 ↗View →
NN
NEXTNAV INC.
PURCHASEGRANT
Stock grant
54,704——1,314,328Mar 19, 2026Mar 23, 2026 ↗View →
NN
NEXTNAV INC.
SALE10b5-1
10b5-1 plan
11,322$16.85$190.8K1,259,624Mar 17, 2026Mar 19, 2026 ↗View →
NN
NEXTNAV INC.
SALE10b5-1
10b5-1 plan
24,993$16.53$413.2K1,315,806Mar 3, 2026Mar 4, 2026 ↗View →
NN
NEXTNAV INC.
SALE10b5-1
10b5-1 plan
44,860$17.12$768.1K1,270,946Mar 3, 2026Mar 4, 2026 ↗View →
NN
NEXTNAV INC.
SALE10b5-1
10b5-1 plan
69,853$13.82$965.2K1,340,799Dec 2, 2025Dec 3, 2025 ↗View →
NN
NEXTNAV INC.
SALE10b5-1
10b5-1 plan
1,200$18.04$21.6K1,410,652Sep 2, 2025Sep 3, 2025 ↗View →
NN
NEXTNAV INC.
SALE10b5-1
10b5-1 plan
68,653$17.60$1.21M1,411,852Sep 2, 2025Sep 3, 2025 ↗View →
NN
NEXTNAV INC.
PURCHASEGRANT
Stock grant
295,850——295,850Jun 27, 2025Jul 1, 2025 ↗View →
NN
NEXTNAV INC.
SALE10b5-1
10b5-1 plan
69,853$14.38$1.00M1,480,505Jun 20, 2025Jun 24, 2025 ↗View →
NN
NEXTNAV INC.
SALE10b5-1
10b5-1 plan
62,868$11.23$706.1K1,550,358Mar 17, 2025Mar 19, 2025 ↗View →
NN
NEXTNAV INC.
PURCHASEGRANT
Stock grant
141,362——141,362Mar 14, 2025Mar 18, 2025 ↗View →
NN
NEXTNAV INC.
PURCHASEGRANT
Stock grant
90,579——1,613,226Mar 14, 2025Mar 18, 2025 ↗View →
NN
NEXTNAV INC.
SALE10b5-1
10b5-1 plan
51,470$16.85$867.2K1,522,647Dec 4, 2024Dec 5, 2024 ↗View →
NN
NEXTNAV INC.
SALE10b5-1
10b5-1 plan
200,000$16.40$3.28M1,574,117Dec 3, 2024Dec 5, 2024 ↗View →
NN
NEXTNAV INC.
PURCHASEGRANT
Stock grant
38,823——1,538,823Mar 15, 2024Mar 19, 2024 ↗View →
NN
NEXTNAV INC.
PURCHASEGRANT
Stock grant
370,031——370,031Mar 15, 2024Mar 19, 2024 ↗View →
NN
NEXTNAV INC.
PURCHASEGRANT
Stock grant
235,294——1,774,117Mar 15, 2024Mar 19, 2024 ↗View →
NN
NEXTNAV INC.
PURCHASEGRANT
Stock grant
1,500,000——1,500,000Nov 29, 2023Dec 1, 2023 ↗View →
Other insiders · NN
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About this filer
CIK 0001998558
ROLE
CEO, President and Director
PRIMARY
NN
COMPANIES
1
ACTIVE SINCE
Nov 2023
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