ROBIN HOWARD W

Director at SIRNA THERAPEUTICS INC · on record since Feb 23, 2006
President & CEO at NEKTAR THERAPEUTICS · on record since Jan 16, 2007
Director at NEKTAR THERAPEUTICS · on record since Mar 5, 2007
President & CEO at SIRNA THERAPEUTICS INC · on record since Jan 26, 2004

Insider trading activity of ROBIN HOWARD W

Transactions on record: 313; since Jan 26, 2004

Open-market buys: 2; $112.7K

Open-market sells: 108; $99.3M

Companies traded: 2; last filing Aug 20, 2026

Figures computed from official regulatory filings — .

Companies where ROBIN HOWARD W has traded

NEKTAR THERAPEUTICS274 tx · $164.1M · Aug 20, 2026
SIRNA THERAPEUTICS INC39 tx · $23K · Jan 4, 2007

Track record of ROBIN HOWARD W

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

Transaction history of ROBIN HOWARD W

Co-insiders of ROBIN HOWARD W

CHOWRIRA BHARAT MNEKTAR THERAPEUTICS +1
GREER R SCOTTNEKTAR THERAPEUTICS +1
Lingnau LutzNEKTAR THERAPEUTICS +1
Ajer Jeffrey RobertNEKTAR THERAPEUTICS
BANSAL AJAYNEKTAR THERAPEUTICS
Brainard DianaNEKTAR THERAPEUTICS
BROWN MICHAEL A/CANEKTAR THERAPEUTICS
CHESS ROBERTNEKTAR THERAPEUTICS
COOK JEREMY CURNOCKSIRNA THERAPEUTICS INC
CREDIT SUISSE/SIRNA THERAPEUTICS INC
Curet MyriamNEKTAR THERAPEUTICS
Deep Track Biotechnology Master Fund, Ltd.NEKTAR THERAPEUTICS
Deep Track Capital, LPNEKTAR THERAPEUTICS
Doberstein Stephen KNEKTAR THERAPEUTICS
DRAPEAU LOUISNEKTAR THERAPEUTICS
EASTHAM KARINNEKTAR THERAPEUTICS
Elam Nevan CNEKTAR THERAPEUTICS
FAMBROUGH DOUGLASSIRNA THERAPEUTICS INC
FRENCH J MICHAELSIRNA THERAPEUTICS INC

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
NEKTAR THERAPEUTICSListing on record	Aug 20, 2026	Sell	-418	71.98 USD	$30.1K		SEC
NEKTAR THERAPEUTICSListing on record	Jul 24, 2026	AwardD (derivative)	57,200	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEKTAR THERAPEUTICSListing on record	Jun 18, 2026	Sell	-4,697	60.71 USD	$285.2K	Unusual size	SEC
NEKTAR THERAPEUTICSListing on record	Jun 18, 2026	Sell	-4,500	61.65 USD	$277.4K	Unusual size	SEC
NEKTAR THERAPEUTICSListing on record	Jun 18, 2026	Sell	-5,500	60.81 USD	$334.5K	Unusual size	SEC
NEKTAR THERAPEUTICSListing on record	Jun 18, 2026	Sell	-5,303	59.97 USD	$318K	Unusual size	SEC
NEKTAR THERAPEUTICSListing on record	May 21, 2026	Sell	-444	65.51 USD	$29.1K		SEC
NEKTAR THERAPEUTICSListing on record	Feb 20, 2026	Sell	-423	73.00 USD	$30.9K		SEC
NEKTAR THERAPEUTICSListing on record	Dec 23, 2025	Award	21,667	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEKTAR THERAPEUTICSListing on record	Dec 23, 2025	AwardD (derivative)	86,667	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEKTAR THERAPEUTICSListing on record	Nov 25, 2025	Award	7,110	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEKTAR THERAPEUTICSListing on record	Nov 25, 2025	Sell	-2,207	54.28 USD	$119.8K	Unusual size	SEC
NEKTAR THERAPEUTICSListing on record	Nov 25, 2025	AwardD (derivative)	12,170	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEKTAR THERAPEUTICSListing on record	Sep 11, 2025	Sell	-1,200	46.41 USD	$55.7K		SEC
NEKTAR THERAPEUTICSListing on record	Sep 11, 2025	Sell	-2,156	47.49 USD	$102.4K	Unusual size	SEC
NEKTAR THERAPEUTICSListing on record	Sep 11, 2025	Sell	-2,100	45.16 USD	$94.8K		SEC
NEKTAR THERAPEUTICSListing on record	Sep 11, 2025	Sell	-1,210	48.18 USD	$58.3K		SEC
NEKTAR THERAPEUTICSListing on record	Sep 8, 2025	Sell	-1,923	32.37 USD	$62.2K		SEC
NEKTAR THERAPEUTICSListing on record	Sep 8, 2025	Sell	-3,304	37.87 USD	$125.1K	Unusual size	SEC
NEKTAR THERAPEUTICSListing on record	Sep 8, 2025	Sell	-1,136	39.89 USD	$45.3K		SEC
NEKTAR THERAPEUTICSListing on record	Sep 8, 2025	Sell	-2,226	38.82 USD	$86.4K		SEC
NEKTAR THERAPEUTICSListing on record	Sep 8, 2025	Sell	-613	34.40 USD	$21.1K		SEC
NEKTAR THERAPEUTICSListing on record	Sep 8, 2025	Sell	-1,134	35.80 USD	$40.6K		SEC
NEKTAR THERAPEUTICSListing on record	Sep 8, 2025	Sell	-1,496	33.54 USD	$50.2K		SEC
NEKTAR THERAPEUTICSListing on record	Sep 4, 2025	Sell	-1,500	30.16 USD	$45.2K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
NEKTAR THERAPEUTICSListing on record	Aug 20, 2026	Sell	-418	71.98 USD	$30.1K		SEC
NEKTAR THERAPEUTICSListing on record	Jul 24, 2026	AwardD (derivative)	57,200	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEKTAR THERAPEUTICSListing on record	Jun 18, 2026	Sell	-4,697	60.71 USD	$285.2K	Unusual size	SEC
NEKTAR THERAPEUTICSListing on record	Jun 18, 2026	Sell	-4,500	61.65 USD	$277.4K	Unusual size	SEC
NEKTAR THERAPEUTICSListing on record	Jun 18, 2026	Sell	-5,500	60.81 USD	$334.5K	Unusual size	SEC
NEKTAR THERAPEUTICSListing on record	Jun 18, 2026	Sell	-5,303	59.97 USD	$318K	Unusual size	SEC
NEKTAR THERAPEUTICSListing on record	May 21, 2026	Sell	-444	65.51 USD	$29.1K		SEC
NEKTAR THERAPEUTICSListing on record	Feb 20, 2026	Sell	-423	73.00 USD	$30.9K		SEC
NEKTAR THERAPEUTICSListing on record	Dec 23, 2025	Award	21,667	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEKTAR THERAPEUTICSListing on record	Dec 23, 2025	AwardD (derivative)	86,667	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEKTAR THERAPEUTICSListing on record	Nov 25, 2025	Award	7,110	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEKTAR THERAPEUTICSListing on record	Nov 25, 2025	Sell	-2,207	54.28 USD	$119.8K	Unusual size	SEC
NEKTAR THERAPEUTICSListing on record	Nov 25, 2025	AwardD (derivative)	12,170	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NEKTAR THERAPEUTICSListing on record	Sep 11, 2025	Sell	-1,200	46.41 USD	$55.7K		SEC
NEKTAR THERAPEUTICSListing on record	Sep 11, 2025	Sell	-2,156	47.49 USD	$102.4K	Unusual size	SEC
NEKTAR THERAPEUTICSListing on record	Sep 11, 2025	Sell	-2,100	45.16 USD	$94.8K		SEC
NEKTAR THERAPEUTICSListing on record	Sep 11, 2025	Sell	-1,210	48.18 USD	$58.3K		SEC
NEKTAR THERAPEUTICSListing on record	Sep 8, 2025	Sell	-1,923	32.37 USD	$62.2K		SEC
NEKTAR THERAPEUTICSListing on record	Sep 8, 2025	Sell	-3,304	37.87 USD	$125.1K	Unusual size	SEC
NEKTAR THERAPEUTICSListing on record	Sep 8, 2025	Sell	-1,136	39.89 USD	$45.3K		SEC
NEKTAR THERAPEUTICSListing on record	Sep 8, 2025	Sell	-2,226	38.82 USD	$86.4K		SEC
NEKTAR THERAPEUTICSListing on record	Sep 8, 2025	Sell	-613	34.40 USD	$21.1K		SEC
NEKTAR THERAPEUTICSListing on record	Sep 8, 2025	Sell	-1,134	35.80 USD	$40.6K		SEC
NEKTAR THERAPEUTICSListing on record	Sep 8, 2025	Sell	-1,496	33.54 USD	$50.2K		SEC
NEKTAR THERAPEUTICSListing on record	Sep 4, 2025	Sell	-1,500	30.16 USD	$45.2K		SEC