SERA PROGNOSTICS, INC. (SERA)

Data as of Oct 13, 2026, from SEC Form 4 filings.

XNASSERVICES-MEDICAL LABORATORIESNet insider selling (90d)Watch SERA

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Latest SERA insider trades

Tiffany Eul Davis Inglis - Officer
Open-market sale$16K
Oct 12, 2026
Dyaarl Lee Anderson Jr. - Officer
Open-market sale

About SERA PROGNOSTICS, INC. (SERA)

Sera Prognostics Inc is a health diagnostic company. It is a women's health company utilizing the proprietary proteomics and bioinformatics platform, and data resources to improve maternal and neonatal health by discovering, developing, and commercializing blood-based biomarker tests, and predictive analytic products and services. The Company operates as one operating segment, which is developing and commercializing its medical diagnostic products and services.

Headquarters: SALT LAKE CITY, UT
Employees: 72
Listed: 2021
Exchange: XNAS
Sector: Health Care

https://www.seraprognostics.com SEC filings for SERA on EDGAR

SERA Form 4 activity by transaction type, last 90 days

Form 4 transaction type	Transactions	Shares	Total value
Open-market sale	6	39,661	$80K
Grant or award	2	287,548

Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.

SERA insider transactions (Form 4)

106 Form 4 filings on record, the earliest from Oct 7, 2024, newest first. Filing history page 3 of 3.

Date	Insider	Transaction	Security	Shares	Price	Value
Nov 10, 2025	Zhenya Lindgardt - Officer	Open-market sale	Class A Common Stock	11,594^{footnote F1}	$2.62^{footnote F2}	$30K
Footnote F1 (shares): Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be… Full note on SEC EDGAR Footnote F2 (price): The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $2.30 to $3.04, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any… Full note on SEC EDGAR
Nov 10, 2025	Paul Kearney - Officer	Open-market sale	Class A Common Stock	7,073^{footnote F1}	$2.62^{footnote F2}	$19K
Footnote F1 (shares): Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be… Full note on SEC EDGAR Footnote F2 (price): The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $2.30 to $2.62, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any… Full note on SEC EDGAR
Nov 10, 2025	Benjamin Jackson - Officer	Open-market sale	Class A Common Stock	7,059^{footnote F1}	$2.62^{footnote F2}	$18K
Footnote F1 (shares): Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be… Full note on SEC EDGAR Footnote F2 (price): The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $2.30 to $3.04, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any… Full note on SEC EDGAR
Nov 10, 2025	John J. Boniface - Officer	Open-market sale	Class A Common Stock	7,767^{footnote F1}	$2.62^{footnote F2}	$20K
Footnote F1 (shares): Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be… Full note on SEC EDGAR Footnote F2 (price): The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $2.30 to $3.04, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any… Full note on SEC EDGAR
Nov 10, 2025	Austin Aerts - Officer	Open-market sale	Class A Common Stock	6,351^{footnote F1}	$2.62^{footnote F2}	$17K
Footnote F1 (shares): Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be… Full note on SEC EDGAR Footnote F2 (price): The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $2.30 to $3.04, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any… Full note on SEC EDGAR
Nov 10, 2025	Robert Gardner Harrison - Officer	Open-market sale	Class A Common Stock	6,528^{footnote F1}	$2.62^{footnote F2}	$17K
Footnote F1 (shares): Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be… Full note on SEC EDGAR Footnote F2 (price): The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $2.30 to $3.04, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any… Full note on SEC EDGAR
Nov 5, 2025	Mansoor Raza Mirza	Open-market sale	Class A Common Stock	221^{footnote F1}	$3.04^{footnote F2}	$672
Footnote F1 (shares): Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be… Full note on SEC EDGAR Footnote F2 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.03 to $3.05, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the… Full note on SEC EDGAR
Nov 4, 2025	Robert Gardner Harrison - Officer	Open-market sale	Class A Common Stock	2,000	$3.07^{footnote F2}	$6K
Footnote F2 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.02 to $3.15, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the… Full note on SEC EDGAR
Oct 15, 2025	Tiffany Eul Davis Inglis - Officer	Grant or award	Class A Common Stock	75,000^{footnote F1}	$0.00	-
Oct 15, 2025	Tiffany Eul Davis Inglis - Officer	Grant or award	Stock Option (right to buy)	107,000	$0.00	-
Footnote F1 (shares): Each share is represented by a restricted stock unit ("RSU"). These RSUs vest over four years as follows: 25% of the original grant amount vests on the first anniversary of the vesting commencement date, which is October 10, 2025, and 1/12 of the remaining amount vests in… Full note on SEC EDGAR
Oct 7, 2025	Robert Gardner Harrison - Officer	Open-market sale	Class A Common Stock	2,000	$3.18^{footnote F2}	$6K
Footnote F2 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.04 to $3.28, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the… Full note on SEC EDGAR
Oct 6, 2025	Mansoor Raza Mirza	Open-market sale	Class A Common Stock	227^{footnote F1}	$3.16^{footnote F2}	$717
Footnote F1 (shares): Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be… Full note on SEC EDGAR Footnote F2 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.15 to $3.20, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the… Full note on SEC EDGAR
Sep 11, 2025	Zhenya Lindgardt - Officer	Open-market sale	Class A Common Stock	3,246	$3.13	$10K
Sep 11, 2025	Paul Kearney - Officer	Open-market sale	Class A Common Stock	1,271	$3.13	$4K
Sep 11, 2025	Benjamin Jackson - Officer	Open-market sale	Class A Common Stock	934	$3.13	$3K
Sep 11, 2025	John J. Boniface - Officer	Open-market sale	Class A Common Stock	1,395	$3.13	$4K
Sep 11, 2025	Austin Aerts - Officer	Open-market sale	Class A Common Stock	915	$3.13	$3K
Sep 11, 2025	Robert Gardner Harrison - Officer	Open-market sale	Class A Common Stock	645	$3.13	$2K
Sep 9, 2025	Zhenya Lindgardt - Officer	Open-market sale	Class A Common Stock	21,158	$3.15	$67K
Sep 9, 2025	Austin Aerts - Officer	Open-market sale	Class A Common Stock	5,263	$3.15	$17K
Sep 9, 2025	Robert Gardner Harrison - Officer	Open-market sale	Class A Common Stock	2,000	$3.05	$6K
Sep 9, 2025	Sandra Aj Lawrence	Open-market sale	Class A Common Stock	1,560	$3.05	$5K
Sep 5, 2025	Mansoor Raza Mirza	Open-market sale	Class A Common Stock	222	$3.35	$744
Sep 2, 2025	Paul Kearney - Officer	Open-market sale	Class A Common Stock	1,458	$3.49	$5K
Aug 29, 2025	Paul Kearney - Officer	Open-market sale	Class A Common Stock	10,542	$3.49	$37K
Aug 20, 2025	Robert Gardner Harrison - Officer	Open-market sale	Class A Common Stock	6,000	$2.22	$13K
Aug 8, 2025	Zhenya Lindgardt - Officer	Open-market sale	Class A Common Stock	8,571	$2.54	$22K
Aug 8, 2025	Austin Aerts - Officer	Open-market sale	Class A Common Stock	5,800	$2.54	$15K
Aug 8, 2025	Paul Kearney - Officer	Open-market sale	Class A Common Stock	6,460	$2.54	$16K
Aug 8, 2025	John J. Boniface - Officer	Open-market sale	Class A Common Stock	7,094	$2.54	$18K
Aug 8, 2025	Benjamin Jackson - Officer	Open-market sale	Class A Common Stock	6,447	$2.54	$16K

See every SERA filing on record

These pages show the latest 90 of 106 Form 4 filings on record. The 7-day demo shows all 106, and sign-up brings you back to this table.

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Recent SERA Form 8-K filings

Read SERA company news

Aug 19, 2026Item 5.02, 7.01, 9.01

Read the filing on SEC EDGAR

Aug 12, 2026Item 2.02, 9.01

Read the filing on SEC EDGAR

Jun 30, 2026Item 5.02, 9.01

Read the filing on SEC EDGAR

Jun 4, 2026Item 5.07

Recent SERA Form 144 notices of proposed sale

An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.

Filed	Filer	Relationship	Shares	Market value	Notice
Oct 13, 2026	Inglis Tiffany Eul Davis	Officer	8,024	$16K	View on EDGAR
Sep 11, 2026	Aerts Austin	Officer	1,509

SERA insider trading FAQ

What is the latest insider trade for SERA?

SERA PROGNOSTICS, INC. (SERA) had 8 insider filings in the last 90 days, with the most recent on 2026-10-13. The full record for SERA runs to 106 Form 4 filings, the earliest from 2024-10-07. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.

How many insiders are buying SERA stock?

No insider purchases of SERA were filed in the last 90 days.

How many insiders are selling SERA stock?

6 insider sales of SERA were filed in the last 90 days, totaling $80K.

Where can I see SERA SEC filings (Form 4, 10-K, 10-Q, 8-K)?

This page collects SERA Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.

More Health Care companies with insider activity

Recent insider filings

The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.

Oct 13, 2026 - Tiffany Eul Davis Inglis view on EDGAR
Sep 11, 2026 - Dyaarl Lee Anderson Jr. view on EDGAR
Sep 11, 2026 - Zhenya Lindgardt view on EDGAR
Sep 11, 2026 - Tiffany Eul Davis Inglis view on EDGAR
Sep 11, 2026 - Benjamin Jackson view on EDGAR
Sep 9, 2026 - Zhenya Lindgardt view on EDGAR
Sep 2, 2026 - Austin Aerts view on EDGAR
Sep 1, 2026 - Scott Gleason view on EDGAR
Jul 14, 2026 - Joshua Phillips view on EDGAR

Related companies with recent insider activity

Learn more

Insider selling: signal or noise?: Why most insider sales are routine, and the few patterns worth a second look.
Form 144 vs Form 4: A Form 144 announces a planned sale; the Form 4 reports it after it happens.
Insider activity in Health Care: Where SERA's peers are being bought and sold.
Every recent Form 4: The market-wide feed, updated as filings arrive from SEC EDGAR.

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Form 4 transaction type

Transactions

Total value

Open-market sale

39,661

$80K

Grant or award

287,548

Date

Insider

Transaction

Security

Price

Value

Nov 10, 2025

Zhenya Lindgardt - Officer

Open-market sale

Class A Common Stock

11,594^{footnote F1}

$2.62^{footnote F2}

$30K

Footnote F1 (shares): Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be… Full note on SEC EDGAR
Footnote F2 (price): The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $2.30 to $3.04, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any… Full note on SEC EDGAR

Nov 10, 2025

Paul Kearney - Officer

Open-market sale

Class A Common Stock

7,073^{footnote F1}

$2.62^{footnote F2}

$19K

Footnote F1 (shares): Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be… Full note on SEC EDGAR
Footnote F2 (price): The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $2.30 to $2.62, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any… Full note on SEC EDGAR

Nov 10, 2025

Benjamin Jackson - Officer

Open-market sale

Class A Common Stock

7,059^{footnote F1}

$2.62^{footnote F2}

$18K

Footnote F1 (shares): Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be… Full note on SEC EDGAR
Footnote F2 (price): The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $2.30 to $3.04, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any… Full note on SEC EDGAR

Nov 10, 2025

John J. Boniface - Officer

Open-market sale

Class A Common Stock

7,767^{footnote F1}

$2.62^{footnote F2}

$20K

Footnote F1 (shares): Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be… Full note on SEC EDGAR
Footnote F2 (price): The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $2.30 to $3.04, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any… Full note on SEC EDGAR

Nov 10, 2025

Austin Aerts - Officer

Open-market sale

Class A Common Stock

6,351^{footnote F1}

$2.62^{footnote F2}

$17K

Footnote F1 (shares): Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be… Full note on SEC EDGAR
Footnote F2 (price): The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $2.30 to $3.04, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any… Full note on SEC EDGAR

Nov 10, 2025

Robert Gardner Harrison - Officer

Open-market sale

Class A Common Stock

6,528^{footnote F1}

$2.62^{footnote F2}

$17K

Footnote F1 (shares): Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be… Full note on SEC EDGAR
Footnote F2 (price): The price reported is a weighted average price. These shares were sold as part of a block trade in multiple transactions at prices ranging from $2.30 to $3.04, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any… Full note on SEC EDGAR

Nov 5, 2025

Mansoor Raza Mirza

Open-market sale

Class A Common Stock

221^{footnote F1}

$3.04^{footnote F2}

$672

Footnote F1 (shares): Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be… Full note on SEC EDGAR
Footnote F2 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.03 to $3.05, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the… Full note on SEC EDGAR

Nov 4, 2025

Robert Gardner Harrison - Officer

Open-market sale

Class A Common Stock

2,000

$3.07^{footnote F2}

$6K

Footnote F2 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.02 to $3.15, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the… Full note on SEC EDGAR

Oct 15, 2025

Tiffany Eul Davis Inglis - Officer

Grant or award

Class A Common Stock

75,000^{footnote F1}

$0.00

Oct 15, 2025

Tiffany Eul Davis Inglis - Officer

Grant or award

Stock Option (right to buy)

107,000

$0.00

Footnote F1 (shares): Each share is represented by a restricted stock unit ("RSU"). These RSUs vest over four years as follows: 25% of the original grant amount vests on the first anniversary of the vesting commencement date, which is October 10, 2025, and 1/12 of the remaining amount vests in… Full note on SEC EDGAR

Oct 7, 2025

Robert Gardner Harrison - Officer

Open-market sale

Class A Common Stock

2,000

$3.18^{footnote F2}

$6K

Footnote F2 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.04 to $3.28, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the… Full note on SEC EDGAR

Oct 6, 2025

Mansoor Raza Mirza

Open-market sale

Class A Common Stock

227^{footnote F1}

$3.16^{footnote F2}

$717

Footnote F1 (shares): Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be… Full note on SEC EDGAR
Footnote F2 (price): The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.15 to $3.20, inclusive. The Reporting Person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the… Full note on SEC EDGAR

Sep 11, 2025

Zhenya Lindgardt - Officer

Open-market sale

Class A Common Stock

3,246

$3.13

$10K

Sep 11, 2025

Paul Kearney - Officer

Open-market sale

Class A Common Stock

1,271

$3.13

$4K

Sep 11, 2025

Benjamin Jackson - Officer

Open-market sale

Class A Common Stock

934

$3.13

$3K

Sep 11, 2025

John J. Boniface - Officer

Open-market sale

Class A Common Stock

1,395

$3.13

$4K

Sep 11, 2025

Austin Aerts - Officer

Open-market sale

Class A Common Stock

915

$3.13

$3K

Sep 11, 2025

Robert Gardner Harrison - Officer

Open-market sale

Class A Common Stock

645

$3.13

$2K

Sep 9, 2025

Zhenya Lindgardt - Officer

Open-market sale

Class A Common Stock

21,158

$3.15

$67K

Sep 9, 2025

Austin Aerts - Officer

Open-market sale

Class A Common Stock

5,263

$3.15

$17K

Sep 9, 2025

Robert Gardner Harrison - Officer

Open-market sale

Class A Common Stock

2,000

$3.05

$6K

Sep 9, 2025

Sandra Aj Lawrence

Open-market sale

Class A Common Stock

1,560

$3.05

$5K

Sep 5, 2025

Mansoor Raza Mirza

Open-market sale

Class A Common Stock

222

$3.35

$744

Sep 2, 2025

Paul Kearney - Officer

Open-market sale

Class A Common Stock

1,458

$3.49

$5K

Aug 29, 2025

Paul Kearney - Officer

Open-market sale

Class A Common Stock

10,542

$3.49

$37K

Aug 20, 2025

Robert Gardner Harrison - Officer

Open-market sale

Class A Common Stock

6,000

$2.22

$13K

Aug 8, 2025

Zhenya Lindgardt - Officer

Open-market sale

Class A Common Stock

8,571

$2.54

$22K

Aug 8, 2025

Austin Aerts - Officer

Open-market sale

Class A Common Stock

5,800

$2.54

$15K

Aug 8, 2025

Paul Kearney - Officer

Open-market sale

Class A Common Stock

6,460

$2.54

$16K

Aug 8, 2025

John J. Boniface - Officer

Open-market sale

Class A Common Stock

7,094

$2.54

$18K

Aug 8, 2025

Benjamin Jackson - Officer

Open-market sale

Class A Common Stock

6,447

$2.54

$16K

Filed

Filer

Relationship

Market value

Notice

Oct 13, 2026

Inglis Tiffany Eul Davis

Officer

8,024

$16K

View on EDGAR

Sep 11, 2026

Aerts Austin

Officer

1,509