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$ Value

$21K

Shares

17,793

Price

$1

Filed

Jan 30

Insider

Name

Chacko David M.

Title

CFO and CBO

CIK

0001871801

Roles

Officer

Transaction Details

Transaction Date

2025-12-15

Code

J

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

279,980

Footnotes

Shares purchased under the Company's 2021 Employee Stock Purchase Plan | The purchase price was calculated in accordance with the issuer's 2021 Employee Stock Purchase Plan. | 1/48th of the shares subject to the option vest monthly on the 29th day of each month (or the last day of February), starting in February 2026, subject to the Reporting Person's continuous service to the issuer on each such vesting date.

Filing Info

Accession No.

0001193125-26-030624

Form Type

4

Issuer CIK

0001761918

Chacko David M.'s History

Date Ticker Type Value
2026-01-29 ERAS A $0
2025-12-15 ERAS J $21K

Other Insiders at ERAS (90d)

Insider Bought Sold Last
Lim Jonathan E
Chairman & CEO
2026-01-29
Garner Ebun
Chief Legal Officer
$1.3M 2026-04-01
Garner Ebun
General Counsel & Corp. Sec.
2026-01-29
Varney Michael David 2026-01-29
Chacko David M.
CFO and CBO
2026-01-29
Morris Shannon
Chief Medical Officer
$301K 2026-03-04