MarketPeel
Insider Trading Intelligence
DR

David S. Rosenblatt

DIBS
CHIEF EXECUTIVE OFFICER · 1STDIBS.COM, INC. · CIK 0001237860
FILING MIX · LIFETIME51%/49%
BUYS
80
SELLS
77
TOTAL VALUE
$10.24M
COMPANIES
4
ACTIVE SINCE
Jun 2020
HOLDINGS NOW
577,305
AVG SELL PX
$4.68
TRADE KIND
SHOWING 157 / 157
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
18 backtested trades · 8 horizons · 15 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+27.78%+7.19%+1.00%+6.19%+2.66%
90d18+22.22%+9.30%+3.96%+5.34%+4.71%
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 · 458,334 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
2026
FLOW · 80 buys / 77 sellsCOVERAGE · 26 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
IAC
IAC INC.
PURCHASEGRANT
Stock grant
5,4905,490Jul 16, 2026Jul 20, 2026View →
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
SALE
4,7330Jun 9, 2026Jun 11, 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 →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
47,500522,500Jun 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.
PURCHASE
Chief Executive Officer
47,5002,142,198Jun 8, 2026Jun 10, 2026View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
47,5002,094,698Jun 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
37,500112,500Jun 8, 2026Jun 10, 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
43,755$4.51$197.4K709,057May 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.
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.
SALE
Chief Executive Officer
62,088$5.49$340.9K2,047,198Mar 9, 2026Mar 11, 2026View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
37,5001,954,993Dec 8, 2025Dec 10, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
47,500617,500Dec 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
73,207$5.96$436.3K1,976,786Dec 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
47,500427,500Dec 8, 2025Dec 10, 2025View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
47,5002,049,993Dec 8, 2025Dec 10, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
666,6660Nov 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
595,071$5.09$3.03M1,917,493Nov 24, 2025Nov 26, 2025View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
37,5001,824,105Sep 8, 2025Sep 10, 2025View →
DIBS
1STDIBS.COM, INC.
PURCHASE
Chief Executive Officer
47,5001,919,105Sep 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.
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
47,5001,871,605Sep 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
37,500262,500Jun 9, 2025Jun 11, 2025View →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
72,699$2.95$214.5K1,786,605Jun 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.
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
34,213$3.36$115.0K1,726,804Mar 10, 2025Mar 12, 2025View →
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.
SALE
Chief Executive Officer
46,963$3.78$177.5K1,676,017Dec 9, 2024Dec 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.
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
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
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 →
DIBS
1STDIBS.COM, INC.
SALE
Chief Executive Officer
46,963$5.50$258.3K1,599,943Jun 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

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