ALTMAN STEVEN R

Director at AMYLIN PHARMACEUTICALS INC · on record since May 19, 2006
Director at Ubiquiti Inc. · on record since Nov 13, 2013
Director at DEXCOM INC · on record since May 11, 2026
President at QUALCOMM INC/DE · on record since Jul 1, 2005
Director at Prospector Capital Corp. · on record since Jan 7, 2021

Insider trading activity of ALTMAN STEVEN R

Transactions on record: 1,185; since Aug 4, 2003

Open-market buys: 4; $2.9M

Open-market sells: 357; $359.9M

Companies traded: 4; last filing Jun 1, 2026

Figures computed from official regulatory filings — .

Companies where ALTMAN STEVEN R has traded

DEXCOM INC81 tx · $20.9M · Jun 1, 2026
Ubiquiti Inc.3 tx · $1.1M · Feb 12, 2014
QUALCOMM INC/DE1081 tx · $563.9M · Jan 3, 2014
AMYLIN PHARMACEUTICALS INC20 tx · $500.7K · Apr 7, 2010

Track record of ALTMAN STEVEN R

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

Transaction history of ALTMAN STEVEN R

Co-insiders of ALTMAN STEVEN R

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
DEXCOM INCListing on record	Jun 1, 2026	Award	5,565	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 11, 2026	Gift	5,037	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 11, 2026	Gift	-5,037	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 12, 2025	Award	5,037	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 12, 2025	Gift	2,613	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 12, 2025	Gift	-2,613	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 24, 2024	Award	2,613	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 21, 2024	Gift	2,885	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 21, 2024	Gift	-2,885	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	Jan 17, 2024	Sell	-460	121.97 USD	$56.1K	SEC
DEXCOM INCListing on record	Jan 17, 2024	Sell	-1,108	123.24 USD	$136.5K	SEC
DEXCOM INCListing on record	Dec 18, 2023	Sell	-2,000	122.77 USD	$245.5K	SEC
DEXCOM INCListing on record	Dec 13, 2023	Sell	-3,000	120.00 USD	$360K	SEC
DEXCOM INCListing on record	Nov 15, 2023	Sell	-1,000	101.26 USD	$101.3K	SEC
DEXCOM INCListing on record	Oct 17, 2023	Sell	-1,000	77.58 USD	$77.6K	SEC
DEXCOM INCListing on record	Sep 19, 2023	Sell	-1,000	101.50 USD	$101.5K	SEC
DEXCOM INCListing on record	May 22, 2023	Gift	3,916	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 22, 2023	Award	2,885	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 22, 2023	Gift	-3,916	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 23, 2022	Other	-910	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 23, 2022	Other	910	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 23, 2022	Award	979	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 25, 2021	Other	-806	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 25, 2021	Other	806	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 25, 2021	Award	910	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
DEXCOM INCListing on record	Jun 1, 2026	Award	5,565	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 11, 2026	Gift	5,037	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 11, 2026	Gift	-5,037	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 12, 2025	Award	5,037	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 12, 2025	Gift	2,613	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 12, 2025	Gift	-2,613	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 24, 2024	Award	2,613	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 21, 2024	Gift	2,885	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 21, 2024	Gift	-2,885	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	Jan 17, 2024	Sell	-460	121.97 USD	$56.1K	SEC
DEXCOM INCListing on record	Jan 17, 2024	Sell	-1,108	123.24 USD	$136.5K	SEC
DEXCOM INCListing on record	Dec 18, 2023	Sell	-2,000	122.77 USD	$245.5K	SEC
DEXCOM INCListing on record	Dec 13, 2023	Sell	-3,000	120.00 USD	$360K	SEC
DEXCOM INCListing on record	Nov 15, 2023	Sell	-1,000	101.26 USD	$101.3K	SEC
DEXCOM INCListing on record	Oct 17, 2023	Sell	-1,000	77.58 USD	$77.6K	SEC
DEXCOM INCListing on record	Sep 19, 2023	Sell	-1,000	101.50 USD	$101.5K	SEC
DEXCOM INCListing on record	May 22, 2023	Gift	3,916	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 22, 2023	Award	2,885	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 22, 2023	Gift	-3,916	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 23, 2022	Other	-910	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 23, 2022	Other	910	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 23, 2022	Award	979	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 25, 2021	Other	-806	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 25, 2021	Other	806	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
DEXCOM INCListing on record	May 25, 2021	Award	910	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC