Greedy Insider
SERA Insider Trades and Greediness Scores
SERA PROGNOSTICS, INC. (SERA) insider trades: since Dec 2, 2025, Greedy Insider recorded 2 open-market buys and 43 sales on Form 4 from 10 insiders. The strongest recent filing scored 94 (Strong).
Who bought and who sold
Across the last 45 scoreable Form 4 transactions in SERA, 2 were open-market purchases and 43 were sales. The table lists the most recent filings with each one's Greediness Score, so the structurally unusual trades are easy to spot first.
| Insider | Role | Type | Shares | Date | Score | ||
|---|---|---|---|---|---|---|---|
| Inglis Tiffany Eul Davis | Chief Medical Officer | Sell | 8024.0 | 16288.72 | 2026-10-12 | 79 | View |
| Lindgardt Zhenya | CEO | Sell | 7022.0 | 14044.0 | 2026-09-10 | 74 | View |
| Inglis Tiffany Eul Davis | Chief Medical Officer | Sell | 486.0 | 972.0 | 2026-09-10 | 70 | View |
| Jackson Benjamin | General Counsel | Sell | 2190.0 | 4380.0 | 2026-09-10 | 70 | View |
| Anderson Dyaarl Lee Jr. | Chief Commercial Officer | Sell | 1800.0 | 3600.0 | 2026-09-10 | 76 | View |
| Lindgardt Zhenya | CEO | Sell | 20139.0 | 40278.0 | 2026-09-08 | 81 | View |
| Inglis Tiffany Eul Davis | Chief Medical Officer | Sell | 362.0 | 727.62 | 2026-06-11 | 73 | View |
| Jackson Benjamin | General Counsel | Sell | 2179.0 | 4379.79 | 2026-06-11 | 71 | View |
| Anderson Dyaarl Lee Jr. | Chief Commercial Officer | Sell | 4739.0 | 9525.39 | 2026-06-11 | 90 | View |
| Lindgardt Zhenya | CEO | Sell | 6990.0 | 14049.9 | 2026-06-11 | 77 | View |
The strongest recent filing
Kearney Paul (Chief Data Officer) sold 32,203 shares of SERA PROGNOSTICS, INC. on Dec 2, 2025, a filing that scored 94 (Strong). It scored Strong because a senior insider was trading and several insiders moved the same way within a week. The score describes the filing, not future returns. This is not investment advice.
Cluster activity
A cluster buy is present: 6 insiders (Lindgardt Zhenya, Aerts Austin, Lawrence Sandra AJ, Mirza Mansoor Raza) traded SERA the same direction within a 7-day window. Shared conviction is a stronger structural signal than a lone trade.
How this compares with SERA PROGNOSTICS, INC.'s own history
Open-market buys make up 4% of the 45 scoreable SERA transactions on record between Dec 2, 2025 and Oct 12, 2026. Comparing a filing with the company's own buy/sell mix is how you tell a routine disposal from an unusual accumulation.
Methodology and sources
Scores come from six published, user-adjustable factors (insider role, cluster activity, trade size versus the insider's own history, position impact, filing urgency, and direct versus indirect ownership). The score describes the filing, not future returns. This is not investment advice.
Key facts
- Scoreable Form 4 transactions on record: 45
- Open-market buys: 2
- Sales: 43
- Distinct insiders: 10
- Strongest recent Greediness Score: 94 (Strong)
Primary sources
Related
- Strongest filing
- SERA in the live feed
- How the Greediness Score works
- What is a cluster buy?
- Form 4 transaction codes
The score describes the filing, not future returns. This is not investment advice.