Atara Biotherapeutics, Inc. (ATRA)

Data as of Sep 4, 2026, from SEC Form 4 filings.

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Latest ATRA insider trades

Brian N. Cherry - Director
Open-market purchase$1.00M
Sep 4, 2026
Anhco Nguyen - Officer
Open-market sale

About Atara Biotherapeutics, Inc. (ATRA)

The SEC lists Atara Biotherapeutics, Inc. under CIK 0001604464, in biological products (no diagnostic substances). It is grouped with Health Care companies on this site.

Sector: Health Care

SEC filings for ATRA on EDGAR

ATRA Form 4 activity by transaction type, last 90 days

Form 4 transaction type	Transactions	Shares	Total value
Open-market purchase	1	104,166	$1.00M
Open-market sale	1	5,062	$41K
Option exercise	4	390,422

ATRA insider transactions (Form 4)

28 Form 4 filings on record, the earliest from Nov 20, 2024, newest first.

Date	Insider	Transaction	Security	Shares	Price	Value
Sep 4, 2026	Brian N. Cherry - Director	Open-market purchase	Common Stock	104,166^{footnote F1}	$9.60	$1.00M
Footnote F1 (shares): Represents shares purchased by the Reporting Person from the Issuer, through its sales agent, pursuant to that certain Sales Agreement, dated November 1, 2023, by and between the Issuer and TD Securities (USA) LLC.
Aug 17, 2026	Anhco Nguyen - Officer	Open-market sale	Common Stock	5,062	$8.08^{footnote F2}	$41K
Footnote F2 (price): The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on August 17, 2026, on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employees.
Jul 22, 2026	Redmile Group, LLC - Director	Option exercise	Common Stock	195,211	-^{footnote F5}	-
Jul 22, 2026	Redmile Group, LLC - Director	Tax withholding / forfeiture	Common Stock	60	-^{footnote F5}	-
Jul 22, 2026	Redmile Group, LLC - Director	Option exercise	Pre-Funded Warrants to Purchase Common Stock	101,089	$0.00	-
Jul 22, 2026	Redmile Group, LLC - Director	Option exercise	Pre-Funded Warrants to Purchase Common Stock	38,735	$0.00	-
Jul 22, 2026	Redmile Group, LLC - Director	Option exercise	Pre-Funded Warrants to Purchase Common Stock	55,387	$0.00	-
Footnote F5 (price): On July 22, 2026, the Reporting Persons exercised the reported Pre-Funded Warrants through a "cashless exercise" resulting in the Issuer withholding 60 shares of Common Stock to pay the exercise price and issuing the remaining 195,151 shares of Common Stock to the applicable… Full note on SEC EDGAR
Jun 11, 2026	Brian N. Cherry	Grant or award	Common Stock	24,000^{footnote F1}	$0.00	-
Footnote F1 (shares): These restricted stock units shall vest as to 1/3 of the shares on the first, second and third anniversaries of June 11, 2026, subject to the Reporting Person's continuous service.
Jun 9, 2026	William K. Heiden	Grant or award	Common Stock	12,000^{footnote F1}	$0.00	-
Footnote F1 (shares): These restricted stock units shall vest on the earlier of June 9, 2027 or the date of the next annual meeting of stockholders, subject to the Reporting Person's continuous service.
Jun 9, 2026	Matthew K. Fust	Grant or award	Common Stock	12,000^{footnote F1}	$0.00	-
Footnote F1 (shares): These restricted stock units shall vest on the earlier of June 9, 2027 or the date of the next annual meeting of stockholders, subject to the Reporting Person's continuous service.
Jun 9, 2026	Gregory Austin Ciongoli	Grant or award	Common Stock	12,000^{footnote F1}	$0.00	-
Footnote F1 (shares): These restricted stock units shall vest on the earlier of June 9, 2027 or the date of the next annual meeting of stockholders, subject to the Reporting Person's continuous service.
May 18, 2026	Anhco Nguyen - Officer	Open-market sale	Common Stock	5,241	$9.13^{footnote F2}	$48K
Footnote F2 (price): Represents the weighted average price. The shares were sold in multiple transactions at prices ranging from $9.12 to $9.40, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder of the Issuer, or the staff of the Securities and Exchange… Full note on SEC EDGAR
May 18, 2026	Yanina Grant-Huerta - Officer	Open-market sale	Common Stock	2,414	$9.13^{footnote F2}	$22K
Footnote F2 (price): Represents the weighted average price. The shares were sold in multiple transactions at prices ranging from $9.12 to $9.40, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder of the Issuer, or the staff of the Securities and Exchange… Full note on SEC EDGAR
May 7, 2026	Panacea Innovation Ltd	Open-market sale	Common Stock	313,446	$10.10^{footnote F1}	$3.17M
Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $10.00 to $10.50, inclusive. The Reporting Person undertake to provide to the Issuer, any securityholder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR
May 7, 2026	EcoR1 Capital, LLC - 10% Owner	Open-market purchase	Common Stock	507,407^{footnote F2}	$9.35^{footnote F3}	$4.74M
Footnote F2 (shares): Qualified Fund purchased 474,780 of the shares puchased in this transaction. Footnote F3 (price): The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.85 to $9.39 inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR
Mar 17, 2026	Panacea Innovation Ltd	Option exercise	Common Stock	259,163	$0.00	$26
Mar 17, 2026	Panacea Innovation Ltd	Tax withholding / forfeiture	Common Stock	5	$5.23	$26
Mar 17, 2026	Panacea Innovation Ltd	Option exercise	Warrants	259,163	$6.61	$1.71M
Mar 9, 2026	Anhco Nguyen - Officer	Grant or award	Common Stock	81,100^{footnote F1}	$0.00	-
Footnote F1 (shares): These restricted stock units ("RSUs") vest as to 1/8th of the total number of shares (rounded down to the next whole number of shares) on the second Quarterly Vesting Date (as defined below) following March 9, 2026, and as to 1/8th of the total number of shares (rounded down to… Full note on SEC EDGAR
Mar 9, 2026	Yanina Grant-Huerta - Officer	Grant or award	Common Stock	20,300^{footnote F1}	$0.00	-
Footnote F1 (shares): These restricted stock units ("RSUs") vest as to 1/8th of the total number of shares (rounded down to the next whole number of shares) on the second Quarterly Vesting Date (as defined below) following March 9, 2026, and as to 1/8th of the total number of shares (rounded down to… Full note on SEC EDGAR
Mar 2, 2026	Yanina Grant-Huerta - Officer	Open-market sale	Common Stock	24	$5.08^{footnote F2}	$122
Mar 2, 2026	Yanina Grant-Huerta - Officer	Open-market sale	Common Stock	1,603	$5.08^{footnote F2}	$8K
Mar 2, 2026	Yanina Grant-Huerta - Officer	Open-market sale	Common Stock	377	$5.08^{footnote F2}	$2K
Mar 2, 2026	Yanina Grant-Huerta - Officer	Open-market sale	Common Stock	100	$5.08^{footnote F2}	$508
Footnote F2 (price): The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on March 2, 2026 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employees.
Mar 2, 2026	Anhco Nguyen - Officer	Open-market sale	Common Stock	198	$5.08^{footnote F2}	$1K
Mar 2, 2026	Anhco Nguyen - Officer	Open-market sale	Common Stock	58	$5.08^{footnote F2}	$295
Mar 2, 2026	Anhco Nguyen - Officer	Open-market sale	Common Stock	1,298	$5.09^{footnote F2}	$7K
Mar 2, 2026	Anhco Nguyen - Officer	Open-market sale	Common Stock	1,442	$5.09^{footnote F2}	$7K
Footnote F2 (price): The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on March 2, 2026 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employees.
Jan 12, 2026	Panacea Innovation Ltd	Open-market sale	Common Stock	80,554	$6.07^{footnote F3}	$489K
Footnote F3 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $5.9888 to $6.2838, inclusive. The Reporting Person undertake to provide to the Issuer, any securityholder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR
Nov 28, 2025	Panacea Innovation Ltd	Option exercise	Common Stock	48,737	$0.00	$5
Nov 28, 2025	Panacea Innovation Ltd	Tax withholding / forfeiture	Common Stock	1	$14.03	$14
Nov 28, 2025	Panacea Innovation Ltd	Option exercise	Warrants	48,737	$6.61	$322K
Nov 17, 2025	Anhco Nguyen - Officer	Open-market sale	Common Stock	2,859	$13.19^{footnote F2}	$38K
Nov 17, 2025	Anhco Nguyen - Officer	Open-market sale	Common Stock	56	$13.19^{footnote F2}	$739
Footnote F2 (price): The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on November 17, 2025 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employees.
Nov 17, 2025	Yanina Grant-Huerta - Officer	Open-market sale	Common Stock	1,645	$13.19^{footnote F2}	$22K
Nov 17, 2025	Yanina Grant-Huerta - Officer	Open-market sale	Common Stock	85	$13.19^{footnote F2}	$1K
Nov 17, 2025	Yanina Grant-Huerta - Officer	Open-market sale	Common Stock	74	$13.19^{footnote F2}	$976
Footnote F2 (price): The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on November 17, 2025 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employees.
Aug 15, 2025	Panacea Innovation Ltd	Open-market purchase	Common Stock	55,000	$12.19	$670K
Aug 18, 2025	Anhco Nguyen - Officer	Open-market sale	Common Stock	57	$11.61	$662
Aug 18, 2025	Anhco Nguyen - Officer	Open-market sale	Common Stock	1,281	$11.62	$15K
Aug 18, 2025	Anhco Nguyen - Officer	Open-market sale	Common Stock	1,620	$11.62	$19K
Aug 18, 2025	Yanina Grant-Huerta - Officer	Open-market sale	Common Stock	55	$11.61	$638
Aug 18, 2025	Yanina Grant-Huerta - Officer	Open-market sale	Common Stock	86	$11.61	$999
Aug 18, 2025	Yanina Grant-Huerta - Officer	Open-market sale	Common Stock	1,668	$11.61	$19K
Jul 17, 2025	Panacea Innovation Ltd	Open-market purchase	Common Stock	19,335	$9.64	$186K
Jun 10, 2025	William K. Heiden	Grant or award	Common Stock	7,828	$0.00	-
Nov 18, 2024	Jill Henrich - Officer	Open-market sale	Common Stock	1,000	$11.20	$11K
Nov 18, 2024	Eric J. Hyllengren - Officer	Open-market sale	Common Stock	1,364	$11.20	$15K
Nov 18, 2024	Anhco Nguyen - Officer	Open-market sale	Common Stock	1,664	$11.20	$19K

Recent ATRA Form 8-K filings

Read ATRA company news

Aug 12, 2026Item 2.02

Read the filing on SEC EDGAR

Jun 26, 2026Item 5.02

Read the filing on SEC EDGAR

Jun 12, 2026Item 5.02, 5.07

Read the filing on SEC EDGAR

May 12, 2026Item 9.01

Read the filing on SEC EDGAR

Recent ATRA 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
Aug 26, 2026	Nguyen AnhCo	Director, Officer	5,062	$42K	View on EDGAR
May 18, 2026	-	-	-	-

ATRA insider trading FAQ

What is the latest insider trade for ATRA?

Atara Biotherapeutics, Inc. (ATRA) had 3 insider filings in the last 90 days, with the most recent on 2026-09-04. The full record for ATRA runs to 28 Form 4 filings, the earliest from 2024-11-20. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.

How many insiders are buying ATRA stock?

1 insider purchase of ATRA was filed in the last 90 days, totaling $1000K.

How many insiders are selling ATRA stock?

1 insider sale of ATRA was filed in the last 90 days, totaling $41K.

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

This page collects ATRA 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.

Sep 4, 2026 - Brian N. Cherry view on EDGAR
Aug 26, 2026 - Anhco Nguyen view on EDGAR
Jul 25, 2026 - Redmile Group, LLC view on EDGAR
Jun 15, 2026 - Brian N. Cherry view on EDGAR
Jun 11, 2026 - William K. Heiden view on EDGAR
Jun 11, 2026 - Matthew K. Fust view on EDGAR
Jun 11, 2026 - Gregory Austin Ciongoli view on EDGAR
May 20, 2026 - Anhco Nguyen view on EDGAR
May 20, 2026 - Yanina Grant-Huerta view on EDGAR

Related companies with recent insider activity

Learn more

How to read insider buying signals: What an open-market purchase by an insider can and cannot tell you.
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 ATRA'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 purchase

104,166

$1.00M

Open-market sale

5,062

$41K

Option exercise

390,422

Date

Insider

Transaction

Security

Price

Value

Sep 4, 2026

Brian N. Cherry - Director

Open-market purchase

Common Stock

104,166^{footnote F1}

$9.60

$1.00M

Footnote F1 (shares): Represents shares purchased by the Reporting Person from the Issuer, through its sales agent, pursuant to that certain Sales Agreement, dated November 1, 2023, by and between the Issuer and TD Securities (USA) LLC.

Aug 17, 2026

Anhco Nguyen - Officer

Open-market sale

Common Stock

5,062

$8.08^{footnote F2}

$41K

Footnote F2 (price): The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on August 17, 2026, on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employees.

Jul 22, 2026

Redmile Group, LLC - Director

Option exercise

Common Stock

195,211

-^{footnote F5}

Jul 22, 2026

Redmile Group, LLC - Director

Tax withholding / forfeiture

Common Stock

-^{footnote F5}

Jul 22, 2026

Redmile Group, LLC - Director

Option exercise

Pre-Funded Warrants to Purchase Common Stock

101,089

$0.00

Jul 22, 2026

Redmile Group, LLC - Director

Option exercise

Pre-Funded Warrants to Purchase Common Stock

38,735

$0.00

Jul 22, 2026

Redmile Group, LLC - Director

Option exercise

Pre-Funded Warrants to Purchase Common Stock

55,387

$0.00

Footnote F5 (price): On July 22, 2026, the Reporting Persons exercised the reported Pre-Funded Warrants through a "cashless exercise" resulting in the Issuer withholding 60 shares of Common Stock to pay the exercise price and issuing the remaining 195,151 shares of Common Stock to the applicable… Full note on SEC EDGAR

Jun 11, 2026

Brian N. Cherry

Grant or award

Common Stock

24,000^{footnote F1}

$0.00

Footnote F1 (shares): These restricted stock units shall vest as to 1/3 of the shares on the first, second and third anniversaries of June 11, 2026, subject to the Reporting Person's continuous service.

Jun 9, 2026

William K. Heiden

Grant or award

Common Stock

12,000^{footnote F1}

$0.00

Footnote F1 (shares): These restricted stock units shall vest on the earlier of June 9, 2027 or the date of the next annual meeting of stockholders, subject to the Reporting Person's continuous service.

Jun 9, 2026

Matthew K. Fust

Grant or award

Common Stock

12,000^{footnote F1}

$0.00

Footnote F1 (shares): These restricted stock units shall vest on the earlier of June 9, 2027 or the date of the next annual meeting of stockholders, subject to the Reporting Person's continuous service.

Jun 9, 2026

Gregory Austin Ciongoli

Grant or award

Common Stock

12,000^{footnote F1}

$0.00

Footnote F1 (shares): These restricted stock units shall vest on the earlier of June 9, 2027 or the date of the next annual meeting of stockholders, subject to the Reporting Person's continuous service.

May 18, 2026

Anhco Nguyen - Officer

Open-market sale

Common Stock

5,241

$9.13^{footnote F2}

$48K

Footnote F2 (price): Represents the weighted average price. The shares were sold in multiple transactions at prices ranging from $9.12 to $9.40, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder of the Issuer, or the staff of the Securities and Exchange… Full note on SEC EDGAR

May 18, 2026

Yanina Grant-Huerta - Officer

Open-market sale

Common Stock

2,414

$9.13^{footnote F2}

$22K

Footnote F2 (price): Represents the weighted average price. The shares were sold in multiple transactions at prices ranging from $9.12 to $9.40, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder of the Issuer, or the staff of the Securities and Exchange… Full note on SEC EDGAR

May 7, 2026

Panacea Innovation Ltd

Open-market sale

Common Stock

313,446

$10.10^{footnote F1}

$3.17M

Footnote F1 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $10.00 to $10.50, inclusive. The Reporting Person undertake to provide to the Issuer, any securityholder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR

May 7, 2026

EcoR1 Capital, LLC - 10% Owner

Open-market purchase

Common Stock

507,407^{footnote F2}

$9.35^{footnote F3}

$4.74M

Footnote F2 (shares): Qualified Fund purchased 474,780 of the shares puchased in this transaction.
Footnote F3 (price): The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.85 to $9.39 inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the… Full note on SEC EDGAR

Mar 17, 2026

Panacea Innovation Ltd

Option exercise

Common Stock

259,163

$0.00

$26

Mar 17, 2026

Panacea Innovation Ltd

Tax withholding / forfeiture

Common Stock

$5.23

$26

Mar 17, 2026

Panacea Innovation Ltd

Option exercise

Warrants

259,163

$6.61

$1.71M

Mar 9, 2026

Anhco Nguyen - Officer

Grant or award

Common Stock

81,100^{footnote F1}

$0.00

Footnote F1 (shares): These restricted stock units ("RSUs") vest as to 1/8th of the total number of shares (rounded down to the next whole number of shares) on the second Quarterly Vesting Date (as defined below) following March 9, 2026, and as to 1/8th of the total number of shares (rounded down to… Full note on SEC EDGAR

Mar 9, 2026

Yanina Grant-Huerta - Officer

Grant or award

Common Stock

20,300^{footnote F1}

$0.00

Footnote F1 (shares): These restricted stock units ("RSUs") vest as to 1/8th of the total number of shares (rounded down to the next whole number of shares) on the second Quarterly Vesting Date (as defined below) following March 9, 2026, and as to 1/8th of the total number of shares (rounded down to… Full note on SEC EDGAR

Mar 2, 2026

Yanina Grant-Huerta - Officer

Open-market sale

Common Stock

$5.08^{footnote F2}

$122

Mar 2, 2026

Yanina Grant-Huerta - Officer

Open-market sale

Common Stock

1,603

$5.08^{footnote F2}

$8K

Mar 2, 2026

Yanina Grant-Huerta - Officer

Open-market sale

Common Stock

377

$5.08^{footnote F2}

$2K

Mar 2, 2026

Yanina Grant-Huerta - Officer

Open-market sale

Common Stock

100

$5.08^{footnote F2}

$508

Footnote F2 (price): The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on March 2, 2026 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employees.

Mar 2, 2026

Anhco Nguyen - Officer

Open-market sale

Common Stock

198

$5.08^{footnote F2}

$1K

Mar 2, 2026

Anhco Nguyen - Officer

Open-market sale

Common Stock

$5.08^{footnote F2}

$295

Mar 2, 2026

Anhco Nguyen - Officer

Open-market sale

Common Stock

1,298

$5.09^{footnote F2}

$7K

Mar 2, 2026

Anhco Nguyen - Officer

Open-market sale

Common Stock

1,442

$5.09^{footnote F2}

$7K

Footnote F2 (price): The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on March 2, 2026 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employees.

Jan 12, 2026

Panacea Innovation Ltd

Open-market sale

Common Stock

80,554

$6.07^{footnote F3}

$489K

Footnote F3 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $5.9888 to $6.2838, inclusive. The Reporting Person undertake to provide to the Issuer, any securityholder of the Issuer, or the staff of the Securities and… Full note on SEC EDGAR

Nov 28, 2025

Panacea Innovation Ltd

Option exercise

Common Stock

48,737

$0.00

Nov 28, 2025

Panacea Innovation Ltd

Tax withholding / forfeiture

Common Stock

$14.03

$14

Nov 28, 2025

Panacea Innovation Ltd

Option exercise

Warrants

48,737

$6.61

$322K

Nov 17, 2025

Anhco Nguyen - Officer

Open-market sale

Common Stock

2,859

$13.19^{footnote F2}

$38K

Nov 17, 2025

Anhco Nguyen - Officer

Open-market sale

Common Stock

$13.19^{footnote F2}

$739

Footnote F2 (price): The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on November 17, 2025 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employees.

Nov 17, 2025

Yanina Grant-Huerta - Officer

Open-market sale

Common Stock

1,645

$13.19^{footnote F2}

$22K

Nov 17, 2025

Yanina Grant-Huerta - Officer

Open-market sale

Common Stock

$13.19^{footnote F2}

$1K

Nov 17, 2025

Yanina Grant-Huerta - Officer

Open-market sale

Common Stock

$13.19^{footnote F2}

$976

Footnote F2 (price): The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on November 17, 2025 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employees.

Aug 15, 2025

Panacea Innovation Ltd

Open-market purchase

Common Stock

55,000

$12.19

$670K

Aug 18, 2025

Anhco Nguyen - Officer

Open-market sale

Common Stock

$11.61

$662

Aug 18, 2025

Anhco Nguyen - Officer

Open-market sale

Common Stock

1,281

$11.62

$15K

Aug 18, 2025

Anhco Nguyen - Officer

Open-market sale

Common Stock

1,620

$11.62

$19K

Aug 18, 2025

Yanina Grant-Huerta - Officer

Open-market sale

Common Stock

$11.61

$638

Aug 18, 2025

Yanina Grant-Huerta - Officer

Open-market sale

Common Stock

$11.61

$999

Aug 18, 2025

Yanina Grant-Huerta - Officer

Open-market sale

Common Stock

1,668

$11.61

$19K

Jul 17, 2025

Panacea Innovation Ltd

Open-market purchase

Common Stock

19,335

$9.64

$186K

Jun 10, 2025

William K. Heiden

Grant or award

Common Stock

7,828

$0.00

Nov 18, 2024

Jill Henrich - Officer

Open-market sale

Common Stock

1,000

$11.20

$11K

Nov 18, 2024

Eric J. Hyllengren - Officer

Open-market sale

Common Stock

1,364

$11.20

$15K

Nov 18, 2024

Anhco Nguyen - Officer

Open-market sale

Common Stock

1,664

$11.20

$19K

Filed

Filer

Relationship

Market value

Notice

Aug 26, 2026

Nguyen AnhCo

Director, Officer

5,062

$42K

View on EDGAR

May 18, 2026