Mary Thistle

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Cambridge, MA
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Jacquelyn Sumer, 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 Mary Thistle

Form 4 holding Director

Q32 Bio Inc.

Security class
Stock Option (Right to Buy)
Shares / value
9,810
Estimated value
$171,333
Report date
12 Jun 2026
Price
$13.42
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

Vigil Neuroscience, Inc.

Security class
Stock Option Award (Right to Buy)
Shares / value
0
Estimated value
$137,642
Report date
05 Aug 2025
Price
$7.62
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

Alaunos Therapeutics, Inc.

Security class
Employee Stock Option (right to buy)
Shares / value
100,000
Estimated value
Report date
06 Jun 2023
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Mary Thistle

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