Timothy A Springer Selecta Biosciences Inc (SELB) insider trading activity

Timothy A Springer is Director of SELECTA BIOSCIENCES INC. Currently has a direct ownership of 8.64 Million shares of SELB, which is worth approximately $7.26 Million. The most recent transaction as insider was on Apr 11, 2025, when has been sold 6,412 shares (Common Stock) at a price of $10.77 per share, resulting in proceeds of $69,057. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 8.64M

1.32% 3M change

Infinity% 12M change

Total Value Held $7.26 Million

TIMOTHY A SPRINGER Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Apr 11 2025	BUY Open market or private purchase	$69,057 $10.77 p/Share	6,412 Added 0.07%	8,643,685 Common Stock
Apr 10 2025	BUY Open market or private purchase	$91,581 $10.68 p/Share	8,575 Added 0.1%	8,637,273 Common Stock
Apr 09 2025	BUY Open market or private purchase	$71,444 $9.69 p/Share	7,373 Added 0.09%	8,628,698 Common Stock
Mar 20 2025	BUY Open market or private purchase	$855,719 $15.59 p/Share	54,889 Added 0.63%	8,621,325 Common Stock
Mar 19 2025	BUY Open market or private purchase	$302,902 $14.97 p/Share	20,234 Added 0.24%	8,566,436 Common Stock
Mar 18 2025	BUY Open market or private purchase	$212,550 $14.42 p/Share	14,740 Added 0.17%	8,546,202 Common Stock
Jan 14 2025	BUY Open market or private purchase	$72,396 $18.0 p/Share	4,022 Added 0.05%	8,531,462 Common Stock
Jan 13 2025	BUY Open market or private purchase	$293,487 $17.32 p/Share	16,945 Added 0.2%	8,527,440 Common Stock
Jan 02 2025	BUY Grant, award, or other acquisition	-	2,600 Added 0.03%	8,510,495 Common Stock
Dec 23 2024	BUY Open market or private purchase	$98,439 $19.0 p/Share	5,181 Added 0.06%	8,507,895 Common Stock
Dec 20 2024	BUY Open market or private purchase	$412,892 $18.94 p/Share	21,800 Added 0.26%	8,502,714 Common Stock
Dec 19 2024	BUY Open market or private purchase	$459,289 $18.22 p/Share	25,208 Added 0.3%	8,480,914 Common Stock
Nov 18 2024	BUY Open market or private purchase	$1,060,386 $18.19 p/Share	58,295 Added 0.68%	8,455,706 Common Stock
Nov 15 2024	BUY Open market or private purchase	$4,738,134 $17.09 p/Share	277,246 Added 3.2%	8,397,411 Common Stock
Nov 14 2024	BUY Open market or private purchase	$1,598,295 $16.58 p/Share	96,399 Added 1.17%	8,120,165 Common Stock
Oct 04 2024	BUY Open market or private purchase	$1,830,862 $22.8 p/Share	80,301 Added 0.99%	8,023,766 Common Stock
Oct 03 2024	BUY Open market or private purchase	$2,408,911 $20.09 p/Share	119,906 Added 1.49%	7,943,465 Common Stock
Oct 02 2024	BUY Open market or private purchase	$95,833 $17.38 p/Share	5,514 Added 0.07%	7,823,559 Common Stock
Oct 02 2024	BUY Other acquisition or disposition	-	1,801,314 Added 18.73%	7,818,045 Common Stock
Sep 25 2024	SELL Exercise of conversion of derivative security	-	1,636,832 Reduced 100.0%	0 Series B Non-Voting Co...
Sep 25 2024	BUY Exercise of conversion of derivative security	-	1,636,832 Added 21.39%	6,016,731 Common Stock
Jul 02 2024	BUY Grant, award, or other acquisition	$32,736,640 $20.0 p/Share	1,636,832 Added 50.0%	1,636,832 Series B Non-Voting Co...
Apr 08 2024	SELL Exercise of conversion of derivative security	-	123,925 Reduced 100.0%	0 Series A Non-voting Co...
Apr 08 2024	BUY Exercise of conversion of derivative security	-	4,130,846 Added 48.54%	4,379,899 Common Stock
Jan 02 2024	BUY Grant, award, or other acquisition	-	178,000 Added 2.33%	7,471,625 Common Stock

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