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Who

Louis M. Alterman

Director

Company insider

Files Form 4 as: Director, Iridium Communications; Chief Financial Officer, EarthLink Holdings.

Every Form 4 they filed

In numbers

Trades disclosed
54
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
2
Companies where not an officer
1
First trade
28 Oct 2014
Last trade
30 Sep 2026
Last filed
2 Oct 2026

Companies traded

Where they are an officer
EarthLink HoldingsOfficer · last 27 Feb 20170 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
IRDM Iridium CommunicationsDirector · Satellite & Specialty Comms · last 30 Sep 20260 buys · 0 sells

Activity over time

Not enough dated trades to draw.

Every trade

TradedCompanyWhatAmount
30 Sep 2026filed 2 Oct 2026IRDM Iridium CommunicationsSatellite & Specialty CommsSEC FORM 4 Code A—43.3 at $0.00filing
30 Jun 2026filed 2 Jul 2026IRDM Iridium CommunicationsSatellite & Specialty CommsSEC FORM 4 Code A—37.7 at $0.00filing
30 Jun 2026filed 2 Jul 2026IRDM Iridium CommunicationsSatellite & Specialty CommsSEC FORM 4 Code A—37.7 at $0.00filing
31 Mar 2026filed 2 Apr 2026IRDM Iridium CommunicationsSatellite & Specialty CommsSEC FORM 4 Code A—74.1 at $0.00filing
31 Mar 2026filed 2 Apr 2026IRDM Iridium CommunicationsSatellite & Specialty CommsSEC FORM 4 Code A—74.1 at $0.00filing
6 Jan 2026filed 7 Jan 2026IRDM Iridium CommunicationsSatellite & Specialty CommsSEC FORM 4 Code A—10,822 at $0.00filing
6 Jan 2026filed 7 Jan 2026IRDM Iridium CommunicationsSatellite & Specialty CommsSEC FORM 4 Code A—10,822 at $0.00filing
31 Dec 2025filed 5 Jan 2026IRDM Iridium CommunicationsSatellite & Specialty CommsSEC FORM 4 Code A—2,876 at $0.00filing
31 Dec 2025filed 5 Jan 2026IRDM Iridium CommunicationsSatellite & Specialty CommsSEC FORM 4 Code A—2,876 at $0.00filing
27 Feb 2017filed 27 Feb 2017EarthLink HoldingsSEC FORM 4 Code D—127,358filing
27 Feb 2017filed 27 Feb 2017EarthLink Holdingsoption or derivativeSEC FORM 4 Code D—215,530filing
27 Feb 2017filed 27 Feb 2017EarthLink Holdingsoption or derivativeSEC FORM 4 Code D—71,785filing
20 Feb 2017filed 21 Feb 2017EarthLink HoldingsSEC FORM 4 Code M—35,257filing
20 Feb 2017filed 21 Feb 2017EarthLink HoldingsSEC FORM 4 Code F—16,905filing
20 Feb 2017filed 21 Feb 2017EarthLink Holdingsoption or derivativeSEC FORM 4 Code M—35,257filing
19 Feb 2017filed 21 Feb 2017EarthLink HoldingsSEC FORM 4 Code M—20,599filing
19 Feb 2017filed 21 Feb 2017EarthLink HoldingsSEC FORM 4 Code F—9,877filing
19 Feb 2017filed 21 Feb 2017EarthLink Holdingsoption or derivativeSEC FORM 4 Code M—20,599filing
18 Feb 2017filed 21 Feb 2017EarthLink HoldingsSEC FORM 4 Code M—19,960filing
18 Feb 2017filed 21 Feb 2017EarthLink HoldingsSEC FORM 4 Code F—9,570filing

News

No headline names them, or the companies they trade most, lately.

Sectors

No trade we could place in a sector.

Related people

Nobody else traded the same names lately.