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Nextnav Inc. planned insider sales

In the last twelve months insiders at Nextnav Inc. filed 31 Form 144 notices of planned sales, 367,273 shares worth $6.2 million at the time of filing, from 10 sellers. The latest, filed 24 September 2026: Susan Insley (officer), 2,370 shares worth $34,104, planned for around 24 September 2026 through Morgan Stanley Smith Barney LLC Executive Financial Services.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
24 September 2026Susan InsleyOfficer2,370$34,10424 September 20262,370 shares from 24 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
23 September 2026Timothy GrayOfficer11,099$170,14823 September 202611,099 shares from 23 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
17 September 2026Sammaad ShamsOfficer1,576$23,04117 September 20262,006 shares from 16 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
16 September 2026Sammaad ShamsOfficer430$6,41616 September 2026None on Form 4 yetMorgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
16 September 2026Mariam SorondDirector, Officer2,831$42,23916 September 2026None on Form 4 yetMorgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
15 September 2026Susan InsleyOfficer849$13,19315 September 2026849 shares from 15 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
14 September 2026James BlackOfficer1,878$28,50814 September 20261,878 shares from 14 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
1 September 2026Mariam SorondDirector, Officer69,853$1.1 million1 September 202672,684 shares from 3 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
29 June 2026Sammaad ShamsOfficer2,006$34,52329 June 20262,006 shares from 29 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
24 June 2026Susan InsleyOfficer2,370$40,59824 June 20262,370 shares from 24 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
16 June 2026Susan InsleyOfficer849$16,58116 June 2026849 shares from 16 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
16 June 2026Mariam SorondDirector, Officer2,830$55,27016 June 20262,830 shares from 16 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
12 June 2026James BlackOfficer1,878$42,78112 June 20261,878 shares from 12 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
1 June 2026Mariam SorondDirector, Officer69,853$1.4 million1 June 202669,853 shares from 1 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
26 March 2026Shams SammaadOfficer3,945$77,08526 March 20263,945 shares from 26 March 2026Shareworks by Morgan StanleyRestricted Stock UnitsForm 144
24 March 2026Susan InsleyOfficer2,370$44,27224 March 20262,370 shares from 24 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
20 March 2026Gray TimothyOfficer1,405$25,44020 March 20261,405 shares from 20 March 2026Shareworks by Morgan StanleyRestricted Stock UnitsForm 144
20 March 2026Shams SammaadOfficer1,767$31,99520 March 20261,882 shares from 19 March 2026Shareworks by Morgan StanleyRestricted Stock UnitsForm 144
20 March 2026Black James SOfficer2,751$49,81220 March 2026No matching Form 4 saleShareworks by Morgan StanleyRestricted Stock UnitsForm 144
20 March 2026Insley Susan BrasseOfficer3,599$65,16720 March 20263,599 shares from 20 March 2026Shareworks by Morgan StanleyRestricted Stock UnitsForm 144
20 March 2026James BlackOfficer6,678$123,81020 March 20269,429 shares from 20 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
19 March 2026Sammaad Rehman ShamsOfficer115$2,10219 March 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
17 March 2026Sammaad Rehman ShamsOfficer3,297$54,76317 March 20263,297 shares from 17 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
17 March 2026Susan InsleyOfficer3,396$56,40817 March 20263,396 shares from 17 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
17 March 2026Mariam SorondDirector, Officer11,322$188,05817 March 202611,322 shares from 17 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
3 March 2026Mariam SorondDirector, Officer69,853$1.2 million3 March 202669,853 shares from 3 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
29 December 2025Susan InsleyOfficer2,370$40,45629 December 2025No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
19 December 2025Sammaad Rehman ShamsOfficer115$1,94419 December 2025115 shares from 19 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
16 December 2025Sammaad Rehman ShamsOfficer1,576$25,38916 December 20251,576 shares from 16 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
2 December 2025Mariam SorondDirector, Officer69,853$981,4352 December 202569,853 shares from 2 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
18 November 2025Susan InsleyOfficer12,189$153,70318 November 202514,559 shares from 18 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?