Frank Witney

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Waltham, MA
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Frank Witney by Tomone Tanaka, Attorney-in-Fact
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Transaction source note
Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Frank Witney

Form 4 holding Director

CERUS CORP

Security class
Common Stock
Shares / value
340,059
Estimated value
$618,907
Report date
02 Jun 2026
Price
$1.82
Ownership
Direct
Form 4 holding Director

STANDARD BIOTOOLS INC.

Security class
Stock Option (Right to buy)
Shares / value
175,923
Estimated value
$270,077
Report date
18 Jun 2026
Price
$3.74
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

Telesis Bio Inc.

Security class
Common Stock
Shares / value
115,736
Estimated value
$61,109
Report date
01 May 2024
Price
$0.5280
Ownership
Direct
Form 4 holding Director

Alamar Biosciences, Inc.

Security class
Stock Option (Right to Buy)
Shares / value
124,069
Estimated value
Report date
20 Apr 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

Telesis Bio Inc.

Security class
Stock Option (right to buy)
Shares / value
30,362
Estimated value
Report date
01 May 2024
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Frank Witney

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