MarketPeel
Insider Trading Intelligence
DR

David S. Rosenblatt

DIBS
CHIEF EXECUTIVE OFFICER · 1STDIBS.COM, INC. · CIK 0001237860
FILING MIX · LIFETIME51%/49%
BUYS
79
SELLS
77
TOTAL VALUE
$10.24M
COMPANIES
4
ACTIVE SINCE
Jun 2020
HOLDINGS NOW
226,588
AVG SELL PX
$4.68
TRADE KIND
SHOWING 156 / 156
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
18 backtested trades · 8 horizons · 21 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by David S. Rosenblatt, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d18+94.44%-0.68%-0.28%-0.68%-2.00%
14d18+83.33%-0.15%-0.87%+0.06%-1.18%
30d18+66.67%-3.60%-0.62%-2.97%-6.03%
60d18(3 pending)+13.33%+7.64%+0.75%+6.89%+11.68%
90d18(3 pending)+6.67%+8.42%+3.81%+4.62%+3.79%
180d18(3 pending)+13.33%+10.99%+6.80%+5.79%+12.98%
1y18(6 pending)+0.00%-9.34%+13.58%-22.92%-8.95%
2y18(6 pending)+58.33%-47.46%+29.43%-76.89%-77.12%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
DIBS · 112,500 shares · as of Jun 8, 2026
0628,1411,256,2821,884,4232,512,56420222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 79 buys / 77 sellsCOVERAGE · 25 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
IAC
IAC INC.
SALE
2,2634,528Jun 18, 2026Jun 23, 2026View →
IAC
IAC INC.
PURCHASE
2,26397,261Jun 18, 2026Jun 23, 2026View →
IAC
IAC INC.
SALE
1,6090Jun 15, 2026Jun 17, 2026View →
IAC
IAC INC.
PURCHASE
1,60994,998Jun 15, 2026Jun 17, 2026View →
IAC
IAC INC.
PURCHASE
2,07687,832Jun 11, 2026Jun 15, 2026View →
IAC
IAC INC.
SALE
2,0762,076Jun 11, 2026Jun 15, 2026View →
ETSY
ETSY INC
PURCHASE
4,7336,032Jun 9, 2026Jun 11, 2026View →
ETSY
ETSY INC
PURCHASEGRANT
Stock grant
3,9213,921Jun 9, 2026Jun 11, 2026View →
ETSY
ETSY INC
SALE
4,7330Jun 9, 2026Jun 11, 2026View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
47,5002,094,698Jun 8, 2026Jun 10, 2026View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
47,5002,142,198Jun 8, 2026Jun 10, 2026View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
47,500522,500Jun 8, 2026Jun 10, 2026View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
47,500332,500Jun 8, 2026Jun 10, 2026View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
37,5002,221,364Jun 8, 2026Jun 10, 2026View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
41,666458,334Jun 8, 2026Jun 10, 2026View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
96,228$4.01$385.9K2,125,136Jun 8, 2026Jun 10, 2026View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
41,6662,183,864Jun 8, 2026Jun 10, 2026View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
37,500112,500Jun 8, 2026Jun 10, 2026View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
43,755$4.51$197.4K709,057May 12, 2026May 13, 2026View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
3,425$4.49$15.4K712,482May 12, 2026May 13, 2026View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
320$4.35$1.4K712,802May 12, 2026May 13, 2026View →
DIBS
1STDIBS.COM, INC.
PURCHASEGRANT
Stock grant
500,000500,000Mar 16, 2026Mar 17, 2026View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
47,500380,000Mar 9, 2026Mar 11, 2026View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
62,088$5.49$340.9K2,047,198Mar 9, 2026Mar 11, 2026View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
47,5002,109,286Mar 9, 2026Mar 11, 2026View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
37,500150,000Mar 9, 2026Mar 11, 2026View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
37,5002,014,286Mar 9, 2026Mar 11, 2026View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
47,500570,000Mar 9, 2026Mar 11, 2026View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
47,5002,061,786Mar 9, 2026Mar 11, 2026View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
47,5002,049,993Dec 8, 2025Dec 10, 2025View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
37,5001,954,993Dec 8, 2025Dec 10, 2025View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
47,5002,002,493Dec 8, 2025Dec 10, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
37,500187,500Dec 8, 2025Dec 10, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
47,500617,500Dec 8, 2025Dec 10, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
73,207$5.96$436.3K1,976,786Dec 8, 2025Dec 10, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
47,500427,500Dec 8, 2025Dec 10, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
595,071$5.09$3.03M1,917,493Nov 24, 2025Nov 26, 2025View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
666,666$3.87$2.58M2,512,564Nov 24, 2025Nov 26, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
666,6660Nov 24, 2025Nov 26, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
47,500665,000Sep 8, 2025Sep 10, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
47,500475,000Sep 8, 2025Sep 10, 2025View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
47,5001,919,105Sep 8, 2025Sep 10, 2025View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
37,5001,824,105Sep 8, 2025Sep 10, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
73,207$2.80$205.0K1,845,898Sep 8, 2025Sep 10, 2025View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
47,5001,871,605Sep 8, 2025Sep 10, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
37,500225,000Sep 8, 2025Sep 10, 2025View →
IAC
IAC INC.
PURCHASEGRANT
Stock grant
1,25785,756Jun 23, 2025Jun 25, 2025View →
IAC
IAC INC.
SALE
1,2570Jun 23, 2025Jun 25, 2025View →
IAC
IAC INC.
PURCHASEGRANT
Stock grant
6,7916,791Jun 18, 2025Jun 23, 2025View →
ETSY
ETSY INC
SALE
1,2990Jun 17, 2025Jun 18, 2025View →
ETSY
ETSY INC
PURCHASE
1,2991,299Jun 17, 2025Jun 18, 2025View →
ETSY
ETSY INC
PURCHASEGRANT
Stock grant
4,7334,733Jun 17, 2025Jun 18, 2025View →
IAC
IAC INC.
PURCHASE
1,61084,499Jun 15, 2025Jun 17, 2025View →
IAC
IAC INC.
SALE
1,6101,609Jun 15, 2025Jun 17, 2025View →
IAC
IAC INC.
SALE
2,0764,152Jun 11, 2025Jun 13, 2025View →
IAC
IAC INC.
PURCHASE
2,07682,889Jun 11, 2025Jun 13, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
47,500522,500Jun 9, 2025Jun 11, 2025View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
37,5001,764,304Jun 9, 2025Jun 11, 2025View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
47,5001,811,804Jun 9, 2025Jun 11, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
47,500712,500Jun 9, 2025Jun 11, 2025View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
47,5001,859,304Jun 9, 2025Jun 11, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
72,699$2.95$214.5K1,786,605Jun 9, 2025Jun 11, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
37,500262,500Jun 9, 2025Jun 11, 2025View →
ETSY
ETSY INC
PURCHASEGRANT
Stock grant
1,2991,299Apr 1, 2025Apr 3, 2025View →
DIBS
1STDIBS.COM, INC.
PURCHASEGRANT
Stock grant
760,000760,000Mar 14, 2025Mar 17, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
34,213$3.36$115.0K1,726,804Mar 10, 2025Mar 12, 2025View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
37,5001,713,517Mar 10, 2025Mar 12, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
47,500570,000Mar 10, 2025Mar 12, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
37,500300,000Mar 10, 2025Mar 12, 2025View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
47,5001,761,017Mar 10, 2025Mar 12, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
46,963$3.78$177.5K1,676,017Dec 9, 2024Dec 11, 2024View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
47,5001,722,980Dec 9, 2024Dec 11, 2024View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
37,5001,675,480Dec 9, 2024Dec 11, 2024View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
37,500337,500Dec 9, 2024Dec 11, 2024View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
47,500617,500Dec 9, 2024Dec 11, 2024View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
47,5001,684,943Sep 9, 2024Sep 11, 2024View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
37,5001,637,443Sep 9, 2024Sep 11, 2024View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
47,500665,000Sep 9, 2024Sep 11, 2024View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
46,963$4.81$225.9K1,637,980Sep 9, 2024Sep 11, 2024View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
37,500375,000Sep 9, 2024Sep 11, 2024View →
IAC
IAC INC.
SALE
1,0341,035Jun 23, 2024Jun 25, 2024View →
IAC
IAC INC.
PURCHASE
1,03480,813Jun 23, 2024Jun 25, 2024View →
IAC
IAC INC.
PURCHASE
1,32579,779Jun 15, 2024Jun 18, 2024View →
IAC
IAC INC.
SALE
1,3252,652Jun 15, 2024Jun 18, 2024View →
IAC
IAC INC.
PURCHASEGRANT
Stock grant
5,1315,131Jun 11, 2024Jun 13, 2024View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
46,963$5.50$258.3K1,599,943Jun 10, 2024Jun 12, 2024View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
47,500712,500Jun 10, 2024Jun 12, 2024View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
85,0001,646,906Jun 10, 2024Jun 12, 2024View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
37,500412,500Jun 10, 2024Jun 12, 2024View →
IAC
IAC INC.
SALE
5490May 14, 2024May 15, 2024View →
IAC
IAC INC.
PURCHASE
54978,454May 14, 2024May 15, 2024View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
15,094$5.25$79.2K1,561,906Mar 8, 2024Mar 12, 2024View →
DIBS
1STDIBS.COM, INC.
PURCHASEGRANT
Stock grant
760,000760,000Mar 8, 2024Mar 12, 2024View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
37,5001,577,000Mar 8, 2024Mar 12, 2024View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
37,500450,000Mar 8, 2024Mar 12, 2024View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
37,5001,554,594Dec 8, 2023Dec 12, 2023View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
37,500487,500Dec 8, 2023Dec 12, 2023View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
15,094$4.74$71.5K1,539,500Dec 8, 2023Dec 12, 2023View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
2,541$3.82$9.7K1,517,094Sep 18, 2023Sep 19, 2023View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
2,559$3.91$10.0K1,519,635Sep 15, 2023Sep 19, 2023View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
2,547$4.06$10.3K1,522,194Sep 14, 2023Sep 15, 2023View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
2,494$4.19$10.4K1,524,741Sep 13, 2023Sep 15, 2023View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
2,533$4.12$10.4K1,527,235Sep 12, 2023Sep 13, 2023View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
2,532$4.25$10.8K1,529,768Sep 11, 2023Sep 13, 2023View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
37,5001,532,300Sep 8, 2023Sep 8, 2023View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
37,500525,000Sep 8, 2023Sep 8, 2023View →
IAC
IAC INC.
SALE
1,3470Jun 25, 2023Jun 27, 2023View →
IAC
IAC INC.
PURCHASE
1,34777,905Jun 25, 2023Jun 27, 2023View →
IAC
IAC INC.
SALE
1,0342,069Jun 23, 2023Jun 27, 2023View →
IAC
IAC INC.
PURCHASE
1,03476,558Jun 23, 2023Jun 27, 2023View →
IAC
IAC INC.
PURCHASEGRANT
Stock grant
3,9773,977Jun 15, 2023Jun 20, 2023View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
14,175$3.88$55.0K1,494,800Jun 9, 2023Jun 13, 2023View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
37,5001,508,975Jun 8, 2023Jun 12, 2023View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
37,500562,500Jun 8, 2023Jun 12, 2023View →
IAC
IAC INC.
SALE
549549May 14, 2023May 16, 2023View →
IAC
IAC INC.
PURCHASE
54975,524May 14, 2023May 16, 2023View →
DIBS
1STDIBS.COM, INC.
PURCHASEGRANT
Stock grant
600,000600,000Mar 15, 2023Mar 16, 2023View →
IAC
IAC INC.
SALE
1,3461,347Jun 25, 2022Jun 27, 2022View →
IAC
IAC INC.
PURCHASE
1,34674,975Jun 25, 2022Jun 27, 2022View →
IAC
IAC INC.
PURCHASEGRANT
Stock grant
3,1033,103Jun 23, 2022Jun 27, 2022View →
IAC
IAC INC.
SALE
1,7880Jun 12, 2022Jun 14, 2022View →
IAC
IAC INC.
PURCHASE
1,78873,629Jun 12, 2022Jun 14, 2022View →
IAC
IAC INC.
SALE
5481,098May 14, 2022May 16, 2022View →
IAC
IAC INC.
PURCHASE
54871,841May 14, 2022May 16, 2022View →
DIBS
1STDIBS.COM, INC.
PURCHASEGRANT
Stock grant
860,000860,000Mar 15, 2022Mar 17, 2022View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
22,500$13.37$300.9K22,500Nov 19, 2021Nov 23, 2021View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
6,927$15.84$109.7K1,471,475Aug 18, 2021Aug 18, 2021View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
5,803$14.38$83.4K665,302Aug 17, 2021Aug 18, 2021View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
43,073$14.93$643.0K1,464,548Aug 17, 2021Aug 18, 2021View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
44,197$14.89$658.1K659,499Aug 16, 2021Aug 18, 2021View →
IAC
IAC INC.
PURCHASE
2,69071,293Jun 28, 2021Jun 29, 2021View →
IAC
IAC INC.
SALE
2,6900Jun 28, 2021Jun 29, 2021View →
IAC
IAC INC.
PURCHASE
1,34668,603Jun 25, 2021Jun 29, 2021View →
IAC
IAC INC.
SALE
1,3462,693Jun 25, 2021Jun 29, 2021View →
IAC
IAC INC.
PURCHASE
1,78867,257Jun 12, 2021Jun 14, 2021View →
IAC
IAC INC.
SALE
1,7881,788Jun 12, 2021Jun 14, 2021View →
IAC
IAC INC.
PURCHASE
4,0394,039May 25, 2021May 27, 2021View →
IAC
IAC INC.
PURCHASE
1,6461,646May 25, 2021May 27, 2021View →
IAC
IAC INC.
PURCHASE
2,6902,690May 25, 2021May 27, 2021View →
IAC
IAC INC.
PURCHASE
3,5763,576May 25, 2021May 27, 2021View →
IAC
IAC INC.
PURCHASE
65,46965,469May 25, 2021May 27, 2021View →
IAC
IAC INC.
PURCHASEGRANT
Stock grant
1,0951,095May 14, 2021May 27, 2021View →
IAC
IAC INC.
SALEGRANT
Gift
6,00056,769Dec 29, 2020Dec 31, 2020View →
MTCH
MATCH GROUP, INC.
SALE
7270Jun 30, 2020Jul 2, 2020View →
MTCH
MATCH GROUP, INC.
SALE
5470Jun 30, 2020Jul 2, 2020View →
MTCH
MATCH GROUP, INC.
SALE
8210Jun 30, 2020Jul 2, 2020View →
MTCH
MATCH GROUP, INC.
SALE
5480Jun 30, 2020Jul 2, 2020View →
MTCH
MATCH GROUP, INC.
SALE
50,7600Jun 30, 2020Jul 2, 2020View →
MTCH
MATCH GROUP, INC.
PURCHASEGRANT
Stock grant
109,560109,560Jun 30, 2020Jul 2, 2020View →
IAC
IAC INC.
PURCHASEGRANT
Stock grant
821821Jun 25, 2020Jun 29, 2020View →
IAC
IAC INC.
SALE
548548Jun 25, 2020Jun 29, 2020View →
IAC
IAC INC.
PURCHASEGRANT
Stock grant
54850,760Jun 25, 2020Jun 29, 2020View →
IAC
IAC INC.
SALE
7970Jun 21, 2020Jun 23, 2020View →
IAC
IAC INC.
PURCHASE
79750,212Jun 21, 2020Jun 23, 2020View →
IAC
IAC INC.
SALE
363727Jun 12, 2020Jun 16, 2020View →
IAC
IAC INC.
PURCHASE
36349,415Jun 12, 2020Jun 16, 2020View →
Other insiders · DIBS
Loading peer insiders…
About this filer
CIK 0001237860
ROLE
Chief Executive Officer
PRIMARY
DIBS
COMPANIES
4
ACTIVE SINCE
Jun 2020
MARKETPEEL · /INSIDER/0001237860DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

One short email. Insider buys, congressional trades, and plain-English analysis.

Feedback