Robert Gardner Harrison, Chief Information Officer at SERA PROGNOSTICS, INC. (SERA), sold 3,360 shares at $1.96 ($7K) on 2026-03-09, disclosed to the SEC on 2026-03-10.
Seasonal sale ($7k) 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 → |