David Rosenblatt

Track

Insider profile

Currently holds positions in 1stdibs.Com Inc, IAC/InterActiveCorp and Twitter Inc

Performance

Overall performance
2.6
Performance over holding periods
4.2
30 days 90 days 120 days
Average return 7% 8.2% 15.1%
Success rate 65% 68% 82%
Transactions
16 25% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Performance for realised trades
4.4
Average return -70%
Success rate 73%
Average holding period 220
Transactions 28
Ranking by realised performance

Positions

Position Company Period
Chief Executive Officer 1stdibs.Com Inc None -
Independent Director IAC/InterActiveCorp Dec. 3, 2008 -
Independent Director Twitter Inc Dec. 1, 2010 -
David Rosenblatt's trades of 1stdibs.Com Inc's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Transaction date
Purchase
Price
386.50
Quantity 32,468 +43.7%
Value US$12,883
Transaction date
Purchase
Price
83.41
Quantity 90,935 +24.6%
Value US$3,490,200
Transaction date
Purchase
Price
175.53
Quantity 10,480 +2.9%
Value US$4,646,515
Transaction date
Sale
Price
5.96
Quantity 73,207 -3.6%
Value US$436,314
Transaction date
Sale
Price
5.09
Quantity 595,071 -23.7%
Value US$3,028,911
Transaction date
Sale
Price
2.80
Quantity 73,207 -3.8%
Value US$204,980
Transaction date
Sale
Price
3.82
Quantity 2,541 -0.2%
Value US$9,714
Transaction date
Sale
Price
3.91
Quantity 2,559 -0.2%
Value US$10,013
Transaction date
Sale
Price
4.06
Quantity 2,547 -0.2%
Value US$10,341
Transaction date
Sale
Price
4.19
Quantity 2,494 -0.2%
Value US$10,442
Transaction date
Sale
Price
4.12
Quantity 2,533 -0.2%
Value US$10,444
Transaction date
Sale
Price
4.25
Quantity 2,532 -0.2%
Value US$10,770
Transaction date
Proposed sale
Price
4.32
Quantity 18,360
Value US$79,315
Transaction date
Sale
Price
3.88
Quantity 14,175 -0.9%
Value US$55,005
Transaction date
Proposed sale
Price
3.57
Quantity 15,500
Value US$55,335
Transaction date
Purchase
Price
13.37
Quantity 22,500 +inf%
Value US$300,922
US Twitter Inc (TWTR)
Transaction date
Sale
Price
37.05
Quantity 81,000 -45.9%
Value US$3,000,694
US Twitter Inc (TWTR)
Transaction date
Sale
Price
36.12
Quantity 81,000 -45.9%
Value US$2,926,060
US Twitter Inc (TWTR)
Transaction date
Planned sale
Price
40.04
Quantity 40,000 -29.5%
Value US$1,601,660
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-13 2026-05-12
B Purchase
32,468 +43.7%
386.50
US$12,883 		32,468 +43.7% 386.50 US$12,883
2026-05-13 2026-05-12
B Purchase
90,935 +24.6%
83.41
US$3,490,200 		90,935 +24.6% 83.41 US$3,490,200
2026-05-13 2026-05-12
B Purchase
10,480 +2.9%
175.53
US$4,646,515 		10,480 +2.9% 175.53 US$4,646,515
2025-12-10 2025-12-08
S Sale
73,207 -3.6%
5.96
US$436,314 		73,207 -3.6% 5.96 US$436,314
2025-11-26 2025-11-24
S Sale
595,071 -23.7%
5.09
US$3,028,911 		595,071 -23.7% 5.09 US$3,028,911
2025-09-10 2025-09-08
S Sale
73,207 -3.8%
2.80
US$204,980 		73,207 -3.8% 2.80 US$204,980
2023-09-19 2023-09-18
S Sale
2,541 -0.2%
3.82
US$9,714 		2,541 -0.2% 3.82 US$9,714
2023-09-19 2023-09-15
S Sale
2,559 -0.2%
3.91
US$10,013 		2,559 -0.2% 3.91 US$10,013
2023-09-15 2023-09-14
S Sale
2,547 -0.2%
4.06
US$10,341 		2,547 -0.2% 4.06 US$10,341
2023-09-15 2023-09-13
S Sale
2,494 -0.2%
4.19
US$10,442 		2,494 -0.2% 4.19 US$10,442
2023-09-13 2023-09-12
S Sale
2,533 -0.2%
4.12
US$10,444 		2,533 -0.2% 4.12 US$10,444
2023-09-13 2023-09-11
S Sale
2,532 -0.2%
4.25
US$10,770 		2,532 -0.2% 4.25 US$10,770
2023-09-08 2023-09-08
PrS Proposed sale
18,360
4.32
US$79,315 		18,360 4.32 US$79,315
2023-06-13 2023-06-09
S Sale
14,175 -0.9%
3.88
US$55,005 		14,175 -0.9% 3.88 US$55,005
2023-06-06 2023-06-08
PrS Proposed sale
15,500
3.57
US$55,335 		15,500 3.57 US$55,335
2021-11-23 2021-11-19
B Purchase
22,500 +inf%
13.37
US$300,922 		22,500 +inf% 13.37 US$300,922
2020-02-14 2020-02-13
US Twitter Inc (TWTR)
S Sale
81,000 -45.9%
37.05
US$3,000,694 		81,000 -45.9% 37.05 US$3,000,694
2020-02-12 2020-02-10
US Twitter Inc (TWTR)
S Sale
81,000 -45.9%
36.12
US$2,926,060 		81,000 -45.9% 36.12 US$2,926,060
2019-07-30 2019-07-26
US Twitter Inc (TWTR)
PlS Planned sale
40,000 -29.5%
40.04
US$1,601,660 		40,000 -29.5% 40.04 US$1,601,660