David S Rosenblatt 1stdibs.Com, Inc. (DIBS) insider trading activity

David S Rosenblatt is Chief Executive Officer of 1stdibs.com, Inc.. Currently has a direct ownership of 1.98 Million shares of DIBS, which is worth approximately $9.65 Million. The most recent transaction as insider was on Dec 08, 2025, when has been sold 73,207 shares (Common Stock) at a price of $5.96 per share, resulting in proceeds of $436,313. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 1.98M

7.09% 3M change

17.95% 12M change

Total Value Held $9.65 Million

DAVID S ROSENBLATT Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 08 2025	SELL Open market or private sale	$436,313 $5.96 p/Share	73,207 Reduced 3.57%	1,976,786 Common Stock
Dec 08 2025	BUY Exercise of conversion of derivative security	-	132,500 Added 6.07%	2,049,993 Common Stock
Nov 24 2025	SELL Open market or private sale	$3,028,911 $5.09 p/Share	595,071 Reduced 23.68%	1,917,493 Common Stock
Nov 24 2025	BUY Exercise of conversion of derivative security	$2,579,997 $3.87 p/Share	666,666 Added 20.97%	2,512,564 Common Stock
Sep 08 2025	SELL Open market or private sale	$204,979 $2.8 p/Share	73,207 Reduced 3.81%	1,845,898 Common Stock
Sep 08 2025	BUY Exercise of conversion of derivative security	-	132,500 Added 6.46%	1,919,105 Common Stock
Jun 09 2025	SELL Payment of exercise price or tax liability	$214,462 $2.95 p/Share	72,699 Reduced 3.91%	1,786,605 Common Stock

Jun 09 2025	BUY Exercise of conversion of derivative security	-	132,500 Added 6.65%	1,859,304 Common Stock
Mar 10 2025	SELL Payment of exercise price or tax liability	$114,955 $3.36 p/Share	34,213 Reduced 1.94%	1,726,804 Common Stock
Mar 10 2025	BUY Exercise of conversion of derivative security	-	85,000 Added 4.6%	1,761,017 Common Stock
Dec 09 2024	SELL Payment of exercise price or tax liability	$177,520 $3.78 p/Share	46,963 Reduced 2.73%	1,676,017 Common Stock
Dec 09 2024	BUY Exercise of conversion of derivative security	-	85,000 Added 4.7%	1,722,980 Common Stock
Sep 09 2024	SELL Payment of exercise price or tax liability	$225,892 $4.81 p/Share	46,963 Reduced 2.79%	1,637,980 Common Stock
Sep 09 2024	BUY Exercise of conversion of derivative security	-	85,000 Added 4.8%	1,684,943 Common Stock
Jun 10 2024	SELL Payment of exercise price or tax liability	$258,296 $5.5 p/Share	46,963 Reduced 2.85%	1,599,943 Common Stock
Jun 10 2024	BUY Exercise of conversion of derivative security	-	85,000 Added 4.91%	1,646,906 Common Stock
Mar 08 2024	SELL Payment of exercise price or tax liability	$79,243 $5.25 p/Share	15,094 Reduced 0.96%	1,561,906 Common Stock
Mar 08 2024	BUY Exercise of conversion of derivative security	-	37,500 Added 2.32%	1,577,000 Common Stock
Dec 08 2023	SELL Payment of exercise price or tax liability	$71,545 $4.74 p/Share	15,094 Reduced 0.97%	1,539,500 Common Stock
Dec 08 2023	BUY Exercise of conversion of derivative security	-	37,500 Added 2.36%	1,554,594 Common Stock
Sep 18 2023	SELL Open market or private sale	$9,706 $3.82 p/Share	2,541 Reduced 0.17%	1,517,094 Common Stock
Sep 15 2023	SELL Open market or private sale	$10,005 $3.91 p/Share	2,559 Reduced 0.17%	1,519,635 Common Stock
Sep 14 2023	SELL Open market or private sale	$10,340 $4.06 p/Share	2,547 Reduced 0.17%	1,522,194 Common Stock
Sep 13 2023	SELL Open market or private sale	$10,449 $4.19 p/Share	2,494 Reduced 0.16%	1,524,741 Common Stock
Sep 12 2023	SELL Open market or private sale	$10,435 $4.12 p/Share	2,533 Reduced 0.17%	1,527,235 Common Stock

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