Robert Gardner Harrison, Chief Information Officer at SERA PROGNOSTICS, INC. (SERA), sold 716 shares at $2.04 ($1K) on 2026-03-11, disclosed to the SEC on 2026-03-12.
Seasonal sale ($1k) by Chief Information Officer — this insider has traded SERA in March in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| Filing → |
| SERA | SELL | 2026-01-27 | $6K | — | Filing → |
| SERA | SELL | 2025-12-30 | $6K | — | Filing → |
| SERA | SELL | 2025-12-11 | $2K | — | Filing → |