ROSENBLATT DAVID S

Director at Match Group, Inc. · on record since Dec 5, 2008
Director at GSI COMMERCE INC · on record since Nov 4, 2010
Director at 1stdibs.com, Inc. · on record since May 13, 2026
Chief Executive Officer at 1stdibs.com, Inc. · on record since May 13, 2026
Director at TWITTER, INC. · on record since Nov 6, 2013
President at DOUBLECLICK INC · on record since Feb 5, 2004
Director at ETSY INC · on record since Jun 11, 2026
Director at People Inc · on record since Jun 15, 2026
Director at NORTEM, N.V. · on record since Jul 2, 2020

Insider trading activity of ROSENBLATT DAVID S

Transactions on record: 318; since Feb 5, 2004

Open-market buys: 8; $2M

Open-market sells: 23; $18.1M

Companies traded: 8; last filing Sep 10, 2026

Figures computed from official regulatory filings — .

Companies where ROSENBLATT DAVID S has traded

1stdibs.com, Inc.98 tx · $10.7M · Sep 10, 2026
People Inc73 tx · $2.4M · Jul 20, 2026
ETSY INC7 tx · Jun 11, 2026
TWITTER, INC.34 tx · $14.9M · Oct 31, 2022
NORTEM, N.V.6 tx · Jul 2, 2020
Match Group, Inc.82 tx · $848.1K · Jun 14, 2019
3 tx · $227K · Jun 21, 2011
15 tx · $1.9M · Jul 14, 2005

Track record of ROSENBLATT DAVID S

Statistical track record

Free

Open-market buys: 8

Last buy: May 12, 2026

Win rates and median returns are available with a free account (5 insiders/month).

Transaction history of ROSENBLATT DAVID S

Co-insiders of ROSENBLATT DAVID S

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
1stdibs.com, Inc.Listing on record	Sep 10, 2026	ExerciseD (derivative)	-47,500	0.00 USD	—	SEC
1stdibs.com, Inc.Listing on record	Sep 10, 2026	ExerciseD (derivative)	-41,667	0.00 USD	—	SEC
1stdibs.com, Inc.Listing on record	Sep 10, 2026	ExerciseD (derivative)	-47,500	0.00 USD	—	SEC
1stdibs.com, Inc.Listing on record	Sep 10, 2026	Exercise	47,500	—	—	SEC
1stdibs.com, Inc.Listing on record	Sep 10, 2026	ExerciseD (derivative)	-37,500	0.00 USD	—	SEC
1stdibs.com, Inc.Listing on record	Sep 10, 2026	Other	-96,229	4.73 USD	$455.2K	SEC
1stdibs.com, Inc.Listing on record	Sep 10, 2026	Exercise	41,667	—	—	SEC
1stdibs.com, Inc.Listing on record	Sep 10, 2026	Exercise	37,500	—	—	SEC
1stdibs.com, Inc.Listing on record	Sep 10, 2026	Exercise	47,500	—	—	SEC
People IncSecurity delisted	Jul 20, 2026	AwardD (derivative)	5,490	0.00 USD	—	SEC
People IncSecurity delisted	Jun 23, 2026	ExerciseD (derivative)	-2,263	0.00 USD	—	SEC
People IncSecurity delisted	Jun 23, 2026	Exercise	2,263	0.00 USD	—	SEC
People IncSecurity delisted	Jun 17, 2026	ExerciseD (derivative)	-1,609	0.00 USD	—	SEC
People IncSecurity delisted	Jun 17, 2026	Exercise	1,609	0.00 USD	—	SEC
People IncSecurity delisted	Jun 15, 2026	Exercise	2,076	0.00 USD	—	SEC
People IncSecurity delisted	Jun 15, 2026	ExerciseD (derivative)	-2,076	0.00 USD	—	SEC
ETSY INCListing on record	Jun 11, 2026	AwardD (derivative)	3,921	0.00 USD	—	SEC
ETSY INCListing on record	Jun 11, 2026	Exercise	4,733	0.00 USD	—	SEC
ETSY INCListing on record	Jun 11, 2026	ExerciseD (derivative)	-4,733	0.00 USD	—	SEC
1stdibs.com, Inc.Listing on record	Jun 10, 2026	Exercise	37,500	—	—	SEC
1stdibs.com, Inc.Listing on record	Jun 10, 2026	Exercise	47,500	—	—	SEC
1stdibs.com, Inc.Listing on record	Jun 10, 2026	ExerciseD (derivative)	-47,500	0.00 USD	—	SEC
1stdibs.com, Inc.Listing on record	Jun 10, 2026	Exercise	47,500	—	—	SEC
1stdibs.com, Inc.Listing on record	Jun 10, 2026	ExerciseD (derivative)	-41,666	0.00 USD	—	SEC
1stdibs.com, Inc.Listing on record	Jun 10, 2026	Other	-96,228	4.01 USD	$385.9K	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
1stdibs.com, Inc.Listing on record	Sep 10, 2026	ExerciseD (derivative)	-47,500	0.00 USD	—	SEC
1stdibs.com, Inc.Listing on record	Sep 10, 2026	ExerciseD (derivative)	-41,667	0.00 USD	—	SEC
1stdibs.com, Inc.Listing on record	Sep 10, 2026	ExerciseD (derivative)	-47,500	0.00 USD	—	SEC
1stdibs.com, Inc.Listing on record	Sep 10, 2026	Exercise	47,500	—	—	SEC
1stdibs.com, Inc.Listing on record	Sep 10, 2026	ExerciseD (derivative)	-37,500	0.00 USD	—	SEC
1stdibs.com, Inc.Listing on record	Sep 10, 2026	Other	-96,229	4.73 USD	$455.2K	SEC
1stdibs.com, Inc.Listing on record	Sep 10, 2026	Exercise	41,667	—	—	SEC
1stdibs.com, Inc.Listing on record	Sep 10, 2026	Exercise	37,500	—	—	SEC
1stdibs.com, Inc.Listing on record	Sep 10, 2026	Exercise	47,500	—	—	SEC
People IncSecurity delisted	Jul 20, 2026	AwardD (derivative)	5,490	0.00 USD	—	SEC
People IncSecurity delisted	Jun 23, 2026	ExerciseD (derivative)	-2,263	0.00 USD	—	SEC
People IncSecurity delisted	Jun 23, 2026	Exercise	2,263	0.00 USD	—	SEC
People IncSecurity delisted	Jun 17, 2026	ExerciseD (derivative)	-1,609	0.00 USD	—	SEC
People IncSecurity delisted	Jun 17, 2026	Exercise	1,609	0.00 USD	—	SEC
People IncSecurity delisted	Jun 15, 2026	Exercise	2,076	0.00 USD	—	SEC
People IncSecurity delisted	Jun 15, 2026	ExerciseD (derivative)	-2,076	0.00 USD	—	SEC
ETSY INCListing on record	Jun 11, 2026	AwardD (derivative)	3,921	0.00 USD	—	SEC
ETSY INCListing on record	Jun 11, 2026	Exercise	4,733	0.00 USD	—	SEC
ETSY INCListing on record	Jun 11, 2026	ExerciseD (derivative)	-4,733	0.00 USD	—	SEC
1stdibs.com, Inc.Listing on record	Jun 10, 2026	Exercise	37,500	—	—	SEC
1stdibs.com, Inc.Listing on record	Jun 10, 2026	Exercise	47,500	—	—	SEC
1stdibs.com, Inc.Listing on record	Jun 10, 2026	ExerciseD (derivative)	-47,500	0.00 USD	—	SEC
1stdibs.com, Inc.Listing on record	Jun 10, 2026	Exercise	47,500	—	—	SEC
1stdibs.com, Inc.Listing on record	Jun 10, 2026	ExerciseD (derivative)	-41,666	0.00 USD	—	SEC
1stdibs.com, Inc.Listing on record	Jun 10, 2026	Other	-96,228	4.01 USD	$385.9K	SEC