Horn David R. Insider Trading -- Recent SEC Form 4 Transactions

Horn David R. (CIK 1834217) reported 8 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-21). Recent activity: Sell SEER (7,303 shares), Sell SEER (7,743 shares), Buy SEER (79,000 shares), Sell SEER (6,797 shares), Sell SEER (6,827 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2026-05-21Seer, Inc. (SEER)PRESIDENT & CFOSell7,303$12,352
2026-02-19Seer, Inc. (SEER)PRESIDENT & CFOSell7,743$15,409
2026-02-05Seer, Inc. (SEER)PRESIDENT & CFOBuy79,000$0
2025-11-21Seer, Inc. (SEER)PRESIDENT & CFOSell6,797$13,390
2025-08-21Seer, Inc. (SEER)PRESIDENT & CFOSell6,827$13,927
2025-05-22Seer, Inc. (SEER)PRESIDENT & CFOSell6,760$14,061
2025-02-20Seer, Inc. (SEER)PRESIDENT & CFOSell26,572$61,116
2025-02-05Seer, Inc. (SEER)PRESIDENT & CFOSell3,550$7,952

Source: SEC Form 4 filings · as of 2026-05-21