Horn David R.

CIK 0001834217

President and CFO

Filings

Latest May 21, 2026

Issuers covered

Showing

18 of 18

Page 1

Track record

12 of 13 open-market trades scored (92% price coverage) - 1 issuer 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	12	75%	+6.3%	+8.3%	+29.9%	-21.7%
90 days	12	67%	+8.7%	+8.5%	+52.2%	-34.1%
180 days	11	73%	+15.3%	+6.6%	+54.2%	-7.0%
365 days	9	78%	+32.9%	+60.2%	+75.0%	-43.9%

Issuers

Companies where Horn David R. has filed

Ticker	Issuer	Filings	Last filed
SEER	Seer, Inc.	18	May 21, 2026

All filings

18 Form 4 / 4-A filings, newest first

Filed	Issuer	Top transaction	Shares	Price	Value
May 21, 2026	SEERSeer, Inc.	SSale	7,303	$1.6913	$12,352
Feb 19, 2026	SEERSeer, Inc.	SSale	7,743	$1.9949	$15,447
Feb 5, 2026	SEERSeer, Inc.	AGrant	79,000	$0.00	$0
Nov 21, 2025	SEERSeer, Inc.	SSale	6,797	$1.9714	$13,400
Aug 21, 2025	SEERSeer, Inc.	SSale	6,827	$2.0441	$13,955
May 22, 2025	SEERSeer, Inc.	SSale	6,760	$2.0751	$14,028
Feb 20, 2025	SEERSeer, Inc.	FTax	26,572	$2.30	$61,116
Feb 5, 2025	SEERSeer, Inc.	SSale	3,550	$2.2365	$7,940
Oct 7, 2024	SEERSeer, Inc.	Holdings only	-	-	-
Feb 23, 2024	SEERSeer, Inc.	SSale	12,684	$1.5787	$20,024
Feb 7, 2024	SEERSeer, Inc.	SSale	3,608	$1.667	$6,015
Feb 22, 2023	SEERSeer, Inc.	SSale	5,951	$4.1347	$24,606
Feb 17, 2023	SEERSeer, Inc.	AGrant	70,000	$0.00	$0
Feb 8, 2023	SEERSeer, Inc.	SSale	3,124	$5.3972	$16,861
Jan 19, 2023	SEERSeer, Inc.	SSale	2,602	$5.1193	$13,320
Feb 10, 2022	SEERSeer, Inc.	AGrant	62,000	$0.00	$0
Feb 4, 2022	SEERSeer, Inc.	SSale	2,944	$17.40	$51,226
Jan 4, 2022	SEERSeer, Inc.	SSale	2,308	$22.81	$52,645

Showing 1-18 of 18

Page 1 of 1

Real-time Form 4 intelligence. Smarter insider tracking.

Filed		Top transaction	Shares	Price	Value