Patrick J. Heron

Insider Reports History

Location
Palo Alto, CA
Signature
/s/ Jennifer Martin, Attorney-in-Fact For Patrick J. Heron
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Patrick J. Heron:

Form 4 holding Director, 10%+ Owner

MBX Biosciences, Inc.

Security class
Common Stock
Shares / value
5,219,440
Estimated value
$93,949,920
Report date
26 Sep 2025
Price
$18.00
Ownership
By Frazier Life Sciences X, L.P.
Form 4 holding Director

Imago BioSciences, Inc.

Security class
Common Stock
Shares / value
2,312,331
Estimated value
$83,243,916
Report date
20 Jul 2021
Price
$36.00
Ownership
Indirect
Form 4 holding Director

HilleVax, Inc.

Security class
Common Stock
Shares / value
8,535,337
Estimated value
$16,217,140
Report date
23 Jun 2025
Price
$1.90
Ownership
By Frazier Life Sciences X, L.P.
Form 4 holding Director

Imago BioSciences, Inc.

Security class
Stock Option (Right to Buy)
Shares / value
23,809
Estimated value
Report date
15 Jul 2021
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

HilleVax, Inc.

Security class
Stock Option
Shares / value
22,500
Estimated value
Report date
06 Jun 2024
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Director, 10%+ Owner

MBX Biosciences, Inc.

Security class
Stock option (right to buy)
Shares / value
16,000
Estimated value
Report date
05 Jun 2025
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

Vaxcyte, Inc.

Security class
Stock Option (right to buy)
Shares / value
15,000
Estimated value
Report date
02 Jun 2021
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

Imago BioSciences, Inc.

Security class
Series A Preferred Stock
Shares / value
0
Estimated value
Report date
20 Jul 2021
Price
Ownership
Indirect
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

Imago BioSciences, Inc.

Security class
Series B Preferred Stock
Shares / value
0
Estimated value
Report date
20 Jul 2021
Price
Ownership
Indirect
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

Imago BioSciences, Inc.

Security class
Series C Preferred Stock
Shares / value
0
Estimated value
Report date
20 Jul 2021
Price
Ownership
Indirect
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Patrick J. Heron

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