Latest filingSep 09, 2026Most recent Form 4
SERA
SERA PROGNOSTICS, INC.
NasdaqHealthcareServices-Medical Laboratories
Insider activity for last month from 08/10 to 09/10. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$4.02M1 sells
Net open-market-$4.02M2 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period3transactions
- A · Grants / awards · dominant2 · 67%
- S · Open-market sells1 · 33%
Activity by reported role
A joint filing can contribute to multiple roles3transactions
- Chief financial officer · dominant2 · 67%
- Chief executive officer1 · 33%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (1)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeGleason ScottStock Option (right to buy) · Direct
169,624Aug 31, 2026
Gleason ScottClass A Common Stock · Direct
117,924Aug 31, 2026
Lindgardt ZhenyaClass A Common Stock · Direct
844,870Sep 08, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 10 → Sep 10
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Top insiders
By absolute net value across the selected period- LZ-$40.3k
Recent filing activity
Most recent 1 transactions · color = transaction code- SSell09/09-$4.02MSEC
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
SERA transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| SERA | Lindgardt Zhenya | CEO | sale | 20.1k | -$4.02M | S | — | 0.0% | 09/09 | 09/08 |
SERA PROGNOSTICS, INC. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at SERA PROGNOSTICS, INC.?
Lindgardt Zhenya, Gleason Scott.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Lindgardt Zhenya reported a sale on Sep 08, 2026 valued at $4.02M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $40,278.00. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.