Steven Chan - 04 Aug 2026 Form 4/A - Amendment Insider Report for Attovia Therapeutics, Inc. (ATTO)

Reporting relationship: Chief Financial Officer
Issuer ticker: ATTO
Reported as of: 04 Aug 2026
Net transaction value: $0
SEC form: 4/A - Amendment
Accepted by SEC: 08 Oct 2026, 20:00:02 UTC
Original report date: 06 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Steven Chan

Key filing fact

Steven Chan filed Form 4/A - Amendment for Attovia Therapeutics, Inc. (ATTO) on 08 Oct 2026.

Key facts

This page summarizes Steven Chan's Form 4/A - Amendment filing for Attovia Therapeutics, Inc. (ATTO).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 08 Oct 2026, 20:00.

Change

No earlier filing in this sequence is available for direct comparison.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4/A - Amendment disclosures.

View source filing

Reporting Owners (1)

CIK 0001654907 Primary reporting owner

Chan Steven

Relationship: Chief Financial Officer
Address: C/O ATTOVIA THERAPEUTICS, INC., 1091 INDUSTRIAL ROAD, SUITE 310, SAN CARLOS
Signature: /s/ Steven Chan
Signature date: 08 Oct 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ATTO transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +140,000
Change %
Price: $0.000000^*
Shares after: 140,000
Date: 04 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 140,000
Exercise price: $17.00
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

25% of the options shall vest on August 4, 2027 and the remaining options shall vest in equal monthly installments over the following 36 months, subject to continued service to the Issuer through such dates.

SEC remarks

This Form 4 amendment amends the Form 4 filed on August 6, 2026, which reported the Reporting Person's beneficial ownership using the Issuer's CIK number. This Form 4 amendment has been filed under the Reporting Person's CIK and reflects him as the Reporting Person. This filing amends and replaces the original filing in its entirety. No changes have been made or are being reported with respect to the Reporting Person's beneficial ownership of the Issuer's securities.