// company-profile

Sera Prognostics, Inc.

SERA
ExchangeNasdaqSectorServices-Medical LaboratoriesInc.DEFilings210Insiders20
// api This Sera Prognostics, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bearish. Over the last 30 days, insiders net sold $72K across 7 transactions, with 2 offsetting purchases.

// 90-day insight

Over the last 90 days, Sera Prognostics, Inc. insiders bought $15K (2 transactions) and sold $87K (7 transactions).

  • Most active insider: Lindgardt Zhenya with 2 transactions totaling $57K.
  • Largest single sale: $43K by Lindgardt Zhenya on Jun 9, 2026.
  • 13% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.

Activity skews bearish — sales outpace buys.

Institutional Ownership

Top 13F-HR holders of Sera Prognostics, Inc. as of 2026-03-31

↓ decreasing
Total reported AUM
$39.9M
QoQ change
-22.1%
Reporting period
2026-03-31
#1
BAKER BROS. ADVISORS LP
CIK 1263508
$11.2M
5.5M shares
#2
Whetstone Capital Advisors, LLC
CIK 1607278
$6.7M
3.3M shares
#3
Aberdeen Group plc
CIK 1716774
$5.2M
2.6M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 11, 2026Anderson Dyaarl Lee Jr.SERA
Sale
4,739$2.01$10K
Jun 11, 2026Inglis Tiffany Eul DavisSERA
Sale
362$2.01$1K
Jun 11, 2026Aerts AustinSERA
Sale
2,037$2.01$4K
Jun 11, 2026Jackson BenjaminSERA
Sale
2,179$2.01$4K
Jun 11, 2026Lindgardt ZhenyaSERA
Sale
6,990$2.01$14K

45 more transactions hidden

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