Login
$ATRA
$8.30 -$0.05 (0.6%) Close

$ATRA 3 SEC Filings

Filed On Filing
06 Jul 2026 Form 3: Sarney Kevin G, Interim CFO

No securities owned

15 Jun 2026 Form 3: Cherry Brian N, Director

Holds 38,320 shares of Common Stock

11 May 2026 Form 3: EcoR1 Capital, Llc, 10% owner

Holds 1,044,593 shares of Common Stock

23 May 2025 Form 3: Subramanian Nachiappan, Director

No securities owned

23 May 2025 Form 3: Redmile Group, Llc, Director and 1 other

Holds 441,701 shares of Common Stock, par value $0.0001 per share

21 May 2025 Form 3: Panacea Innovation Ltd, 10% owner and 1 other

Holds 1,330,665 shares of Common Stock

10 Apr 2025 Form 3: Grant-Huerta Yanina, Chief Accounting Officer

Holds 39,285 shares of Common Stock

05 Sep 2024 Form 3: Adiumentum Capital Fund I Lp, Director and 2 others

Holds 1,133,823 shares of Common Stock, par value $0.0001 per share

09 Jun 2023 Form 3: Henrich Jill, EVP, Global Head RA & Quality

Holds 111,037 shares of Common Stock

09 Jun 2023 Form 3: Nguyen AnhCo, EVP, Chief Sci. & Tech Officer

Holds 301,125 shares of Common Stock

09 Jun 2023 Form 3: Joshi Manher, EVP, Chief Medical Officer

Holds 190,546 shares of Common Stock

07 Apr 2023 Form 3: Hyllengren Eric J, SVP, CFO

Holds 234,060 shares of Common Stock

16 Dec 2022 Form 3: Banard Charlene A., EVP, Chief Technical Officer

Holds 155,350 shares of Common Stock

10 Aug 2021 Form 3: Mallik Ameet, Director

No securities owned

19 May 2020 Form 3: Dupont Jakob, EVP, Head of R&D

No securities owned

12 May 2020 Form 3: Roncarolo Maria Grazia, Director

No securities owned

30 Apr 2020 Form 3: Renaud Ronald C Jr, Director

No securities owned

21 Apr 2020 Form 3: Murugan Amar, SVP, GC & Secretary

No securities owned

19 Feb 2020 Form 3: Yarema Kristin, Chief Commercial Officer

No securities owned

25 Jun 2019 Form 3: Touchon Pascal, Director

No securities owned

Create Account

Sign up for free to unlock this feature.

Already have an account? Sign in

Create Account

Sign up for free to unlock this feature.

Already have an account? Sign in

Premium Feature

This feature requires a premium subscription to unlock unlimited historical data and advanced analysis tools.

Premium includes:

  • Unlimited historical financial data
  • Advanced analytics and insights
  • Priority support