David R. Horn

SEER

David R. Horn serves as officer: PRESIDENT & CFO at Seer, Inc. (SEER). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

1 trades

$47.5K

Total Sells

23 trades

$2.99M

Net Position

Net Seller

$2.94M

Companies Traded

SEER, EDAP

Active Period

Jun 2021 – Aug 2026

24 total trades

Most Recent

Sell SEER

Aug 19, 2026 · $14.8K

David R. Horn's Insider Trading at Seer, Inc. (SEER)

Buys

0 · $0.00

Sells

23 · $2.99M

Total Shares Bought

Total Shares Sold

192,410

SEER Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Aug 19, 2026	Sell	7,309	$2.03	$14.8K	486,650
May 21, 2026	Sell	7,303	$1.69	$12.4K	493,959
Feb 19, 2026	Sell	7,743	$1.99	$15.4K	501,262
Feb 18, 2026	Sell	7,743	$1.99	$15.4K	0
Nov 21, 2025	Sell	6,797	$1.97	$13.4K	436,802
Aug 21, 2025	Sell	6,827	$2.04	$14.0K	436,802
May 22, 2025	Sell	6,760	$2.08	$14.0K	443,629
Feb 5, 2025	Sell	3,550	$2.24	$7.9K	476,961
Feb 23, 2024	Sell	12,684	$1.58	$20.0K	480,511
Feb 7, 2024	Sell	3,608	$1.67	$6.0K	328,157
Feb 22, 2023	Sell	5,951	$4.13	$24.6K	331,765
Feb 8, 2023	Sell	3,124	$5.40	$16.9K	267,716
Jan 19, 2023	Sell	2,602	$5.12	$13.3K	270,840
Dec 8, 2022	Sell	18,884	$6.57	$124.1K	273,442
Feb 4, 2022	Sell	2,944	$17.40	$51.2K	229,158
Jan 4, 2022	Sell	2,308	$22.81	$52.6K	232,102
Dec 8, 2021	Sell	26,273	$20.26	$532.2K	205,592
Nov 3, 2021	Sell	10,000	$37.78	$377.8K	234,854
Oct 5, 2021	Sell	10,000	$33.85	$338.5K	236,002
Sep 2, 2021	Sell	10,000	$39.58	$395.8K	231,667
Aug 4, 2021	Sell	10,000	$31.19	$311.9K	233,063
Jul 6, 2021	Sell	10,000	$31.32	$313.2K	235,977
Jun 4, 2021	Sell	10,000	$30.10	$301.0K	230,966

David R. Horn's Insider Trading at Edap Tms S.a. (EDAP)

Buys

1 · $47.5K

Sells

0 · $0.00

Total Shares Bought

10,000

Total Shares Sold

EDAP Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Aug 17, 2026	Buy	10,000	$4.75	$47.5K	10,000

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