Frances H. Arnold - 26 Feb 2026 Form 3 Insider Report for Generate Biomedicines, Inc. (GENB)

Reporting relationship
Director
Issuer ticker
GENB
Reported as of
26 Feb 2026
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
3
Accepted by SEC
26 Feb 2026, 20:26:31 UTC
Prior SEC filing
30 Jan 2026
Next SEC filing
04 Mar 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Michael Wolf, Attorney-in-Fact

Key filing fact

Frances H. Arnold filed Form 3 for Generate Biomedicines, Inc. (GENB) on 26 Feb 2026.

Key facts

  • This page summarizes Frances H. Arnold's Form 3 filing for Generate Biomedicines, Inc. (GENB).
  • 0 reported transactions and 3 derivative rows are listed below.
  • Accepted by SEC: 26 Feb 2026, 20:26.

Change

  • Previous filing in this sequence was filed on 30 Jan 2026.
  • 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

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0001665419 Primary reporting owner

ARNOLD FRANCES

Relationship
Director
Address
GENERATE BIOMEDICINES, INC., 101 SOUTH STREET, SUITE 900, SOMERVILLE
Signature
/s/ Michael Wolf, Attorney-in-Fact
Signature date
26 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GENB holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
232,472
Date
26 Feb 2026
Ownership
Direct
GENB holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
232,472
Date
26 Feb 2026
Ownership
By The Frances Arnold 2010 Irrevocable Trust
Footnotes
F1

Reported derivative securities

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

GENB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
26 Feb 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
32,916
Exercise price
$6.10
Footnotes
F2
GENB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
26 Feb 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
32,916
Exercise price
$7.25
Footnotes
F3
GENB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
26 Feb 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
32,916
Exercise price
$9.15
Footnotes
F4
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

The Reporting Person disclaims beneficial ownership of such shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of his pecuniary interest therein, if any. This report shall not be deemed an admission that he is a beneficial owner of such shares for the purpose of Section 16 of the Exchange Act, or for any other purpose.

Footnote F2

The shares underlying this option vest in sixteen equal quarterly installments following March 1, 2023, subject to the Reporting Person's continued service on each such vesting date.

Footnote F3

The shares underlying this option vest in sixteen equal quarterly installments following February 1, 2024, subject to the Reporting Person's continued service on each such vesting date.

Footnote F4

The shares underlying this option vest in sixteen equal quarterly installments following February 1, 2025, subject to the Reporting Person's continued service on each such vesting date.

SEC remarks

Exhibit 24 - Power of Attorney

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