Epstein David R

CIK 0001445826

Chief Executive OfficerDirector

Filings

Latest Jun 3, 2026

Issuers covered

Showing

36 of 36

Page 1

Track record

13 of 17 open-market trades scored (76% price coverage) - 4 issuers without price data. Returns are signed: a +10% move on a sale shows as -10% (insider was wrong).

Horizon	Trades	Win rate	Avg	Median	Best	Worst
30 days	13	77%	+3.0%	+11.8%	+20.3%	-42.7%
90 days	13	54%	-5.7%	+3.8%	+34.0%	-57.2%
180 days	11	36%	-16.3%	-16.7%	+37.1%	-70.7%
365 days	7	29%	-20.3%	-1.9%	+21.8%	-93.0%

Issuers

Companies where Epstein David R has filed

Ticker	Issuer	Filings	Last filed
TEM	Tempus Ai, Inc.	16	Jun 3, 2026
EVLO	Evelo Biosciences, Inc.	9	Jun 30, 2022
AXLA	Axcella Health Inc.	5	Jun 3, 2022
SGEN	Seagen Inc.	3	Dec 15, 2023
RUBY	Rubius Therapeutics, Inc.	2	May 13, 2022
SNTI	Senti Biosciences, Inc.	1	Jun 10, 2022

All filings

36 Form 4 / 4-A filings, newest first

Filed	Issuer	Top transaction	Shares	Price	Value
Jun 3, 2026	TEMTempus Ai, Inc.	SSale	250	$49.40	$12,350
May 26, 2026	TEMTempus Ai, Inc.	AGrant	5,913	$0.00	$0
Mar 4, 2026	TEMTempus Ai, Inc.	SSale	250	$50.69	$12,673
Feb 4, 2026	TEMTempus Ai, Inc.	SSale	370	$59.41	$21,982
Dec 3, 2025	TEMTempus Ai, Inc.	SSale	250	$75.55	$18,888
Nov 5, 2025	TEMTempus Ai, Inc.	SSale	370	$90.00	$33,300
Sep 4, 2025	TEMTempus Ai, Inc.	SSale	250	$73.64	$18,410
Aug 5, 2025	TEMTempus Ai, Inc.	SSale	370	$55.16	$20,409
Jun 4, 2025	TEMTempus Ai, Inc.	SSale	250	$55.20	$13,800
May 22, 2025	TEMTempus Ai, Inc.	AGrant	1,997	$0.00	$0
May 5, 2025	TEMTempus Ai, Inc.	SSale	370	$53.50	$19,795
Mar 19, 2025	TEMTempus Ai, Inc.	SSale	990	$46.83	$46,362
Mar 5, 2025	TEMTempus Ai, Inc.	SSale	250	$57.52	$14,380
Feb 5, 2025	TEMTempus Ai, Inc.	SSale	370	$53.31	$19,725
Dec 13, 2024	TEMTempus Ai, Inc.	SSale	620	$41.81	$25,922
Jun 17, 2024	TEMTempus Ai, Inc.	AGrant	28,514	$0.00	$0
Dec 15, 2023	SGENSeagen Inc.	DDisposition	16,407	$229.00	$3,757,203
Nov 13, 2023	SGENSeagen Inc.	SSale	10,620	$213.01	$2,262,166
Aug 17, 2023	SGENSeagen Inc.	AGrant	39,650	$0.00	$0
Jun 30, 2022	EVLOEvelo Biosciences, Inc.	MExercise	2,053	$0.00	$0
Jun 13, 2022	EVLOEvelo Biosciences, Inc.	Holdings only	-	-	-
Jun 10, 2022	SNTISenti Biosciences, Inc.	AGrant	112,519	$0.00	$0
Jun 3, 2022	AXLAAxcella Health Inc.	AGrant	47,059	$0.00	$0
Jun 1, 2022	EVLOEvelo Biosciences, Inc.	MExercise	2,052	$0.00	$0
May 31, 2022	EVLOEvelo Biosciences, Inc.	PPurchase	17,123	$1.46	$25,000
May 13, 2022	RUBYRubius Therapeutics, Inc.	Holdings only	-	-	-
May 2, 2022	EVLOEvelo Biosciences, Inc.	MExercise	2,053	$0.00	$0
Apr 22, 2022	RUBYRubius Therapeutics, Inc.	PPurchase	30,000	$1.4443	$43,329
Apr 1, 2022	EVLOEvelo Biosciences, Inc.	MExercise	2,052	$0.00	$0
Mar 21, 2022	AXLAAxcella Health Inc.	MExercise	1,535	-	-
Mar 18, 2022	AXLAAxcella Health Inc.	PPurchase	26,178	$1.91	$50,000
Mar 1, 2022	EVLOEvelo Biosciences, Inc.	MExercise	2,053	$0.00	$0
Feb 23, 2022	AXLAAxcella Health Inc.	MExercise	1,534	-	-
Jan 31, 2022	EVLOEvelo Biosciences, Inc.	MExercise	2,052	$0.00	$0
Jan 20, 2022	AXLAAxcella Health Inc.	MExercise	1,535	-	-
Jan 3, 2022	EVLOEvelo Biosciences, Inc.	MExercise	2,052	$0.00	$0

Showing 1-36 of 36

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Filed		Top transaction	Shares	Price	Value