Horn David R. Insider Trading Activity (SEER)

Summary

Updated Jul 16, 2026

Horn David R. has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $42K.

Recent Transactions

Date	Ticker	Company	Code	Shares	Price	Value
2026-05-21	SEER	Seer, Inc.	S — Open-market sale	7.3K	$1.69	$12K
2026-02-19	SEER	Seer, Inc.	S — Open-market sale	7.7K	$1.99	$15K
2026-02-05	SEER	Seer, Inc.	A — Grant or award	79.0K	$0.00
2025-08-20	SEER	Seer, Inc.	S — Open-market sale	6.8K	$2.04	$14K

Frequently Asked Questions

Who is Horn David R.?

Horn David R. is a corporate insider — currently tracked as Insider of Seer, Inc. (SEER). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has Horn David R. submitted recently?

1 primary Form 4 filings in the last 90 days, covering 1 company.

Has Horn David R. been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 3 open-market sales ($42K) across all tracked filings.

Where can I see all of Horn David R.'s SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Horn David R. — SEC Form 4 Insider Trading Activity