If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D


 
Atlas Venture Fund X, L.P.
 
Signature:/s/ Ommer Chohan
Name/Title:By: Atlas Venture Associates X, L.P., its general partner, By: Atlas Venture Associates X, LLC, its general partner, By: Ommer Chohan, its CFO
Date:12/17/2025
 
ATLAS VENTURE ASSOCIATES X, L.P.
 
Signature:/s/ Ommer Chohan
Name/Title:By: Atlas Venture Associates X, LLC, its general partner, By: Ommer Chohan, its CFO
Date:12/17/2025
 
Atlas Venture Associates X, LLC
 
Signature:/s/ Ommer Chohan
Name/Title:Ommer Chohan, CFO
Date:12/17/2025
 
Atlas Venture Fund XII, L.P.
 
Signature:/s/ Ommer Chohan
Name/Title:By: Atlas Venture Associates XII, L.P., its general partner, By: Atlas Venture Associates XII, LLC, its general partner, By: Ommer Chohan, its CFO
Date:12/17/2025
 
Atlas Venture Associates XII, L.P.
 
Signature:/s/ Ommer Chohan
Name/Title:By: Atlas Venture Associates XII, LLC, its general partner, By: Ommer Chohan, its CFO
Date:12/17/2025
 
Atlas Venture Associates XII, LLC
 
Signature:/s/ Ommer Chohan
Name/Title:Ommer Chohan, CFO
Date:12/17/2025
 
Atlas Venture Opportunity Fund I, L.P.
 
Signature:/s/ Ommer Chohan
Name/Title:By: Atlas Venture Associates Opportunity I, L.P., its G.P., By: Atlas Venture Associates Opportunity I, LLC, its G.P., By: Ommer Chohan, CFO
Date:12/17/2025
 
Atlas Venture Associates Opportunity I, L.P.
 
Signature:/s/ Ommer Chohan
Name/Title:By: Atlas Venture Associates Opportunity I, LLC, its General Partner, By: Ommer Chohan, CFO
Date:12/17/2025
 
Atlas Venture Associates Opportunity I, LLC
 
Signature:/s/ Ommer Chohan
Name/Title:Ommer Chohan, CFO
Date:12/17/2025
 
Atlas Venture Opportunity Fund II, L.P.
 
Signature:/s/ Ommer Chohan
Name/Title:By: Atlas Venture Associates Opportunity II, L.P., its G.P., By: Atlas Venture Associates Opportunity II, LLC, its G.P., By: Ommer Chohan, CFO
Date:12/17/2025
 
Atlas Venture Associates Opportunity II, LP
 
Signature:/s/ Ommer Chohan
Name/Title:By: Atlas Venture Associates Opportunity II, LLC, its General Partner, By: Ommer Chohan, CFO
Date:12/17/2025
 
Atlas Venture Associates Opportunity II, LLC
 
Signature:/s/ Ommer Chohan
Name/Title:Ommer Chohan, CFO
Date:12/17/2025
ex-99-12182025_011243.htm

Exhibit 99.1


JOINT FILING AGREEMENT


Pursuant to Rule 13d-1(k)(1) promulgated pursuant to the Securities Exchange Act of 1934, as amended, the undersigned agree that the attached Schedule 13D is being filed on behalf of each of the undersigned.


Date: December 17, 2025


 

Atlas Venture Fund X, L.P.

 

 

 

 

By:

Atlas Venture Associates X, L.P., its general partner

 

By:

Atlas Venture Associates X, LLC, its general partner

 



 

By: /s/ Ommer Chohan

 

Name:

 Ommer Chohan

 

Title:

Chief Financial Officer

 



 

Atlas Venture Associates X, L.P.

 

 

 

 

By:

Atlas Venture Associates X, LLC, its general partner

 



 

By: /s/ Ommer Chohan

 

Name:

 Ommer Chohan

 

Title:

Chief Financial Officer

 



 

Atlas Venture Associates X, LLC

 

 

 

 

By: /s/ Ommer Chohan

 

Name:

 Ommer Chohan

 

Title:

Chief Financial Officer



 

Atlas Venture Opportunity Fund I, L.P.

 

 

 

 

By:

Atlas Venture Associates Opportunity I, L.P., its general partner

 

By:

Atlas Venture Associates Opportunity I, LLC, its general partner

 



 

By: /s/ Ommer Chohan

 

Name:

 Ommer Chohan

 

Title:

Chief Financial Officer

 



 

Atlas Venture Associates Opportunity I, L.P.

 

 

 

 

By:

Atlas Venture Associates Opportunity I, LLC, its general partner

 



 

By: /s/ Ommer Chohan

 

Name:

 Ommer Chohan

 

Title:

Chief Financial Officer




 

Atlas Venture Associates Opportunity I, LLC

 



 

By: /s/ Ommer Chohan

 

Name:

 Ommer Chohan

 

Title:

Chief Financial Officer


 

 

 







 

Atlas Venture Fund XII, L.P.

 

 

 

 

By:

Atlas Venture Associates XII, L.P., its general partner

 

By:

Atlas Venture Associates XII, LLC, its general partner

 



 

By: /s/ Ommer Chohan

 

Name:

 Ommer Chohan

 

Title:

Chief Financial Officer

 



 

Atlas Venture Associates XII, L.P.

 

 

 

 

By:

Atlas Venture Associates XII, LLC, its general partner

 



 

By: /s/ Ommer Chohan

 

Name:

 Ommer Chohan

 

Title:

Chief Financial Officer

 



 

Atlas Venture Associates XII, LLC

 

 

 

 

By: /s/ Ommer Chohan

 

Name:

 Ommer Chohan

 

Title:

Chief Financial Officer



 

Atlas Venture Opportunity Fund II, L.P.

 

 

 

 

By:

Atlas Venture Associates Opportunity II, L.P., its general partner

 

By:

Atlas Venture Associates Opportunity II, LLC, its general partner

 



 

By: /s/ Ommer Chohan

 

Name:

 Ommer Chohan

 

Title:

Chief Financial Officer

 



 

Atlas Venture Associates Opportunity II, L.P.

 

 

 

 

By:

Atlas Venture Associates Opportunity II, LLC, its general partner

 



 

By: /s/ Ommer Chohan

 

Name:

 Ommer Chohan

 

Title:

Chief Financial Officer




 

Atlas Venture Associates Opportunity II, LLC

 



 

By: /s/ Ommer Chohan

 

Name:

 Ommer Chohan

 

Title:

Chief Financial Officer






ex-99-12182025_011244.htm

Transactions in Common Stock During the Past Sixty Days









Reporting Person

Nature of the Transaction

Amount of Securities Sold

Weighted Average Price ($)

Date of Sale

Low Price ($)

High Price ($)

Atlas X

Sale of Common Stock

34,136

92.05

12/12/2025

91.5289

92.4325

AVOF

Sale of Common Stock

16,403

92.05

12/12/2025

91.5289

92.4325

AVOF II

Sale of Common Stock

8,527

92.05

12/12/2025

91.5289

92.4325

Atlas XII

Sale of Common Stock

6,570

92.05

12/12/2025

91.5289

92.4325

Atlas X

Sale of Common Stock

8,012

92.58

12/12/2025

92.52

93.3796

AVOF

Sale of Common Stock

3,852

92.58

12/12/2025

92.52

93.3796

AVOF II

Sale of Common Stock

2,005

92.58

12/12/2025

92.52

93.3796

Atlas XII

Sale of Common Stock

1,540

92.58

12/12/2025

92.52

93.3796

Atlas X

Sale of Common Stock

7,151

93.80

12/12/2025

93.52

94.255

AVOF

Sale of Common Stock

3,446

93.80

12/12/2025

93.52

94.255

AVOF II

Sale of Common Stock

1,793

93.80

12/12/2025

93.52

94.255

Atlas XII

Sale of Common Stock

1,371

93.80

12/12/2025

93.52

94.255

Atlas X

Sale of Common Stock

60,725

91.18

12/15/2025

91.00

91.99

AVOF

Sale of Common Stock

28,913

91.18

12/15/2025

91.00

91.99

AVOF II

Sale of Common Stock

14,811

91.18

12/15/2025

91.00

91.99

Atlas XII

Sale of Common Stock

11,427

91.18

12/15/2025

91.00

91.99

Atlas X

Sale of Common Stock

8,187

92.01

12/15/2025

92.00

91.48

AVOF

Sale of Common Stock

3,921

92.01

12/15/2025

92.00

91.48

AVOF II

Sale of Common Stock

2,049

92.01

12/15/2025

92.00

91.48

Atlas XII

Sale of Common Stock

1,572

92.01

12/15/2025

92.00

91.48

Atlas X

Sale of Common Stock

74,666

91.24

12/16/2025

91.00

91.705

AVOF

Sale of Common Stock

35,898

91.24

12/16/2025

91.00

91.705

AVOF II

Sale of Common Stock

18,666

91.24

12/16/2025

91.00

91.705

Atlas XII

Sale of Common Stock

14,359

91.24

12/16/2025

91.00

91.705

Atlas X

Sale of Common Stock

818

91.47

12/17/2025

91.2501

91.52

AVOF

Sale of Common Stock

393

91.47

12/17/2025

91.2501

91.52

AVOF II

Sale of Common Stock

213

91.47

12/17/2025

91.2501

91.52

Atlas XII

Sale of Common Stock

148

91.47

12/17/2025

91.2501

91.52