← Back

$ Value

$0

Shares

233,177

Price

$0

Filed

May 15

Insider

Name

Ladd Amy L

Title

CIK

0001781750

Roles

Director

Transaction Details

Transaction Date

2025-05-15

Code

D

Table

Derivative

Ownership

Direct

Equity Swap

No

Shares After

Footnotes

This option was cancelled without consideration pursuant to the terms of that certain Agreement and Plan of Merger, dated April 1, 2025, by and among the Issuer, Concentra Biosciences, LLC and Concentra Merger Sub III, Inc.

Filing Info

Accession No.

0001104659-25-049398

Form Type

4

Issuer CIK

0001564824

Ladd Amy L's History

Date Ticker Type Value
2025-09-04 ISRG $148K
2025-09-03 ISRG $158K
2025-05-15 ALLK D $0
2025-05-15 ALLK D $0
2025-05-15 ALLK D $0
2025-05-01 ISRG A $0
2025-04-30 ISRG M $352K
2025-04-30 ISRG $732K
2025-04-30 ISRG M $479K
2025-04-30 ISRG $845K

Other Insiders at ALLK (90d)

No other insider activity at this issuer in the last 90 days.