David R. Horn, Chief Financial Officer at Seer, Inc. (SEER), sold 20,000 shares at $38.28 ($756K) on 2021-11-01, disclosed to the SEC on 2021-11-03.
Open-market sale of $756k SEER by Chief Financial Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $37.46 | 6,112 | $229K | 30.3% |
| 2 | $37.46 | 6,112 | $229K | 30.3% |
| 3 | $38.28 | 3,888 | $149K | 19.7% |
| 4 | $38.28 | 3,888 | $149K | 19.7% |
| Total | $37.78 avg | 20,000 | $756K | 100% |
| Filing → |
| SEER | SELL | 2026-05-21 | $12K | — | Filing → |
| SEER | SELL | 2026-02-19 | $15K | — | Filing → |
| SEER | SELL | 2025-11-21 | $13K | — | Filing → |