David R. Horn insider trades: Seer (SEER) stock buys and sales
Trades on the price chart
Daily close, with an arrow on each day they bought or sold
Companies
Where David reports to the SEC
Open-market buys and sales
23 trades reported on SEC Form 4, newest first
| Date | Stock | Type | Shares | Price | Value | Holding | Reported |
|---|---|---|---|---|---|---|---|
| Aug 18, 2026 | SEER | ↓ Sell | 7,309 | $2.03 | $15K | Direct | Aug 19, 2026 (1d) |
| Aug 14, 2026 | EDAP | ↑ Buy | 10,000 | $4.75 | $48K | Direct | Aug 17, 2026 (3d) |
| May 20, 2026 | SEER | ↓ Sell | 7,303 | $1.69 | $12K | Direct | May 21, 2026 (1d) |
| Feb 18, 2026 | SEER | ↓ Sell | 7,743 | $1.99 | $15K | Direct | Feb 19, 2026 (1d) |
| Nov 19, 2025 | SEER | ↓ Sell | 6,797 | $1.97 | $13K | Direct | Nov 21, 2025 (2d) |
| Aug 20, 2025 | SEER | ↓ Sell | 6,827 | $2.04 | $14K | Direct | Aug 21, 2025 (1d) |
| May 20, 2025 | SEER | ↓ Sell | 6,760 | $2.08 | $14K | Direct | May 22, 2025 (2d) |
| Feb 4, 2025 | SEER | ↓ Sell | 3,550 | $2.24 | $8K | Direct | Feb 5, 2025 (1d) |
| Feb 22, 2024 | SEER | ↓ Sell | 12,684 | $1.58 | $20K | Direct | Feb 23, 2024 (1d) |
| Feb 5, 2024 | SEER | ↓ Sell | 3,608 | $1.67 | $6K | Direct | Feb 7, 2024 (2d) |
| Feb 21, 2023 | SEER | ↓ Sell | 5,951 | $4.13 | $25K | Direct | Feb 22, 2023 (1d) |
| Feb 7, 2023 | SEER | ↓ Sell | 3,124 | $5.40 | $17K | Direct | Feb 8, 2023 (1d) |
| Jan 17, 2023 | SEER | ↓ Sell | 2,602 | $5.12 | $13K | Direct | Jan 19, 2023 (2d) |
| Dec 8, 2022 | SEER | ↓ Sell | 18,884 | $6.57 | $124K | Direct | Dec 8, 2022 (0d) |
| Feb 2, 2022 | SEER | ↓ Sell | 2,944 | $17.40 | $51K | Direct | Feb 4, 2022 (2d) |
| Jan 3, 2022 | SEER | ↓ Sell | 2,308 | $22.81 | $53K | Direct | Jan 4, 2022 (1d) |
| Dec 6, 2021 | SEER | ↓ Sell | 26,273 | $20.26 | $532K | Direct | Dec 8, 2021 (2d) |
| Nov 1, 2021 | SEER | ↓ Sell | 10,000 | $37.78 | $378K | Direct | Nov 3, 2021 (2d) |
| Oct 1, 2021 | SEER | ↓ Sell | 10,000 | $33.85 | $338K | Direct | Oct 5, 2021 (4d) |
| Sep 1, 2021 | SEER | ↓ Sell | 10,000 | $39.58 | $396K | Direct | Sep 2, 2021 (1d) |
| Aug 2, 2021 | SEER | ↓ Sell | 10,000 | $31.19 | $312K | Direct | Aug 4, 2021 (2d) |
| Jul 1, 2021 | SEER | ↓ Sell | 10,000 | $31.32 | $313K | Direct | Jul 6, 2021 (5d) |
| Jun 2, 2021 | SEER | ↓ Sell | 10,000 | $30.10 | $301K | Direct | Jun 4, 2021 (2d) |
Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.
Other SEER insiders
Open-market trades in the last 12 months
About David R. Horn's insider trades
David R. Horn is President & CFO at Seer (SEER). Since Jun 2, 2021, David has reported 1 open-market purchase worth $48K and 22 sales worth $3.0M on SEC Form 4. In the last 12 months: 1 buy ($48K) and 4 sales ($56K).
Their filings also include grants and awards (7 filings), option exercises (7 filings), shares withheld for taxes (1 filing), shares returned to the company (1 filing). These aren't open-market trades and aren't counted above.
How to read insider trades
Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every SEER insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.