How many insider declarations has Barlow Jane F filed?

Barlow Jane F has filed 4 public insider declarations with SEC (Form 4).

What is Barlow Jane F's role?

Barlow Jane F's reported role is not specified by the regulator across the filings.

Which companies does Barlow Jane F report trades for?

Barlow Jane F reports trades for Sera Prognostics, INC..

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BJ

Barlow Jane F

OFFICER

·SEC (Form 4)

Sera Prognostics, INC.

0

Total declarations

0

Company

—

▲ Purchases (0 ops.)

—

▼ Sales (0 ops.)

Insider track record

Other

Disclosed buys

0

Disclosed sells

0

T+90 hit rate

0%

T+90 mean return

-4.0%

Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.

Signal history

Browse the detailed record of transactions filed by Barlow Jane F. Director active across 1 company, notably Sera Prognostics, INC.. Aggregated, 4 filings have been recorded. Activity tracked since 6 June 2024. The latest transaction was disclosed on 10 July 2026 (Attribution). Regulator: SEC (Form 4). All data is openly available.

Companies and markets linked to Barlow Jane F

Open company profiles for insider transactions, fundamentals and analyst consensus when available.

Sera Prognostics, INC. (US)

Declarations4 total

◆

Barlow Jane F

DirectorExecutives10 Jul 2026Sera Prognostics, INC.

0SEC ↗

22,426 shares0Class A Common StockSEC:0001736026-26-000002:0

◆

Barlow Jane F

DirectorExecutives10 Jul 2026Sera Prognostics, INC.

0SEC ↗

1,949 shares0Class A Common StockSEC:0001736026-26-000002:1

◆

Barlow Jane F

DirectorExecutives5 Jun 2025Sera Prognostics, INC.

11SEC ↗

15,596 shares0Class A Common StockSEC:0000950170-25-083332:0

◆

Barlow Jane F

DirectorExecutives6 Jun 2024Sera Prognostics, INC.

11SEC ↗

7,117 shares0Class A Common StockSEC:0001534969-24-000131:0

4 of 4 declarations

InsidersTradesSigma

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BJ

Barlow Jane F

OFFICER

·SEC (Form 4)

Sera Prognostics, INC.

0

Total declarations

0

Company

—

▲ Purchases (0 ops.)

—

▼ Sales (0 ops.)

Insider track record

Other

Disclosed buys

0

Disclosed sells

0

T+90 hit rate

0%

T+90 mean return

-4.0%

Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.

Signal history

Browse the detailed record of transactions filed by Barlow Jane F. Director active across 1 company, notably Sera Prognostics, INC.. Aggregated, 4 filings have been recorded. Activity tracked since 6 June 2024. The latest transaction was disclosed on 10 July 2026 (Attribution). Regulator: SEC (Form 4). All data is openly available.