Alterman Louis M

Director at Iridium Communications Inc. · on record since Apr 2, 2026
Chief Financial Officer at EarthLink Holdings, LLC · on record since Aug 14, 2015

Insider trading activity of Alterman Louis M

Transactions on record: 50; since Oct 30, 2014

Open-market buys: 0

Open-market sells: 0

Companies traded: 2; last filing Oct 2, 2026

Figures computed from official regulatory filings — .

Companies where Alterman Louis M has traded

Iridium Communications Inc.5 tx · Oct 2, 2026
EarthLink Holdings, LLC45 tx · $1M · Feb 27, 2017

Track record of Alterman Louis M

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Alterman Louis M

Co-insiders of Alterman Louis M

YEANEY JACQUELINE EEarthLink Holdings, LLC +1
ADREAN LEEEarthLink Holdings, LLC
Baralonco LtdIridium Communications Inc.
Barros J. DarrelIridium Communications Inc.
BECK LINDA WEarthLink Holdings, LLC
Benjamin Valerie CEarthLink Holdings, LLC
BERRYMAN DONALD BEarthLink Holdings, LLC
BETTY CHARLES GEarthLink Holdings, LLC
bin Abdullah bin Abdulrahman KhalidIridium Communications Inc.
BOK SCOTT LIridium Communications Inc.
BOWICK SUSAN DEarthLink Holdings, LLC
Brand Kevin FEarthLink Holdings, LLC
Brossard GerardEarthLink Holdings, LLC
Brunette John S.Iridium Communications Inc.
Campbell John HowardIridium Communications Inc.
Canfield Thomas CIridium Communications Inc.
Cann Cynthia CammettIridium Communications Inc.
Clarke Kevin PIridium Communications Inc.
DAVIS NATHANIEL AEarthLink Holdings, LLC
Dawkins PeterIridium Communications Inc.
DAYTON SKY DEarthLink Holdings, LLC
Demitry Lee FIridium Communications Inc.
Desai Vikram KrisEarthLink Holdings, LLC
DESCH MATTHEW JIridium Communications Inc.
DESIMONE SAMUEL R JREarthLink Holdings, LLC

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
Iridium Communications Inc.Listing on record	Oct 2, 2026	Award	43.3	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Iridium Communications Inc.Listing on record	Jul 2, 2026	Award	37.7	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Iridium Communications Inc.Listing on record	Apr 2, 2026	Award	74.1	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Iridium Communications Inc.Listing on record	Jan 7, 2026	Award	10,822	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Iridium Communications Inc.Listing on record	Jan 5, 2026	Award	2,876	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
EarthLink Holdings, LLCListing unverified	Feb 27, 2017	Other	-127,358	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 27, 2017	OtherD (derivative)	215,530	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 27, 2017	OtherD (derivative)	71,785	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 21, 2017	ExerciseD (derivative)	-20,599	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 21, 2017	Exercise	35,257	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 21, 2017	Other	-9,877	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 21, 2017	Exercise	19,960	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 21, 2017	ExerciseD (derivative)	-19,960	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 21, 2017	Other	-16,905	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 21, 2017	Exercise	20,599	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 21, 2017	ExerciseD (derivative)	-35,257	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 21, 2017	Other	-9,570	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Oct 31, 2016	Other	-3,795	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Oct 31, 2016	Exercise	8,333	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Oct 31, 2016	ExerciseD (derivative)	-8,333	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 22, 2016	AwardD (derivative)	119,760	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 22, 2016	Exercise	20,600	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 22, 2016	ExerciseD (derivative)	-20,600	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 22, 2016	Other	-9,383	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 22, 2016	ExerciseD (derivative)	-24,534	—	n/a (No price was disclosed in the filing)	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
Iridium Communications Inc.Listing on record	Oct 2, 2026	Award	43.3	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Iridium Communications Inc.Listing on record	Jul 2, 2026	Award	37.7	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Iridium Communications Inc.Listing on record	Apr 2, 2026	Award	74.1	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Iridium Communications Inc.Listing on record	Jan 7, 2026	Award	10,822	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Iridium Communications Inc.Listing on record	Jan 5, 2026	Award	2,876	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
EarthLink Holdings, LLCListing unverified	Feb 27, 2017	Other	-127,358	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 27, 2017	OtherD (derivative)	215,530	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 27, 2017	OtherD (derivative)	71,785	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 21, 2017	ExerciseD (derivative)	-20,599	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 21, 2017	Exercise	35,257	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 21, 2017	Other	-9,877	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 21, 2017	Exercise	19,960	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 21, 2017	ExerciseD (derivative)	-19,960	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 21, 2017	Other	-16,905	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 21, 2017	Exercise	20,599	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 21, 2017	ExerciseD (derivative)	-35,257	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 21, 2017	Other	-9,570	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Oct 31, 2016	Other	-3,795	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Oct 31, 2016	Exercise	8,333	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Oct 31, 2016	ExerciseD (derivative)	-8,333	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 22, 2016	AwardD (derivative)	119,760	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 22, 2016	Exercise	20,600	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 22, 2016	ExerciseD (derivative)	-20,600	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 22, 2016	Other	-9,383	—	n/a (No price was disclosed in the filing)	SEC
EarthLink Holdings, LLCListing unverified	Feb 22, 2016	ExerciseD (derivative)	-24,534	—	n/a (No price was disclosed in the filing)	SEC