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Sirius Investors
Third Harmonic Bio, Inc.

Third Harmonic Bio, Inc.

THRD
NASDAQHealthcare

Insider Trading for THRD

View recent insider trading activity including purchases, sales, and awards. Insider trading can provide insights into how executives view their company's prospects.

Insider Trading Summary

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Net Position
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Recent Activity (30 Days)

No insider transactions in the past 30 days.

Quarterly Activity (3 Months)

No insider transactions in the past 3 months.

Key Insider Activity: Jun 6, 2023 to Aug 11, 2025

Bonita David P
DirectorDirector
-5.8M shares
3 transactions
BVF PARTNERS L P/IL
OtherOther: See Explanation Of Responses
-1.0M shares
3 transactions
Dinsmore Christopher
ExecutiveCorporate Officer
+637.5K shares
5 transactions
Murphy Christopher M.
ExecutiveCorporate Officer
+550.0K shares
6 transactions
Dean Dennis
ExecutiveCorporate Officer
+313.5K shares
4 transactions

Transaction Details

DateInsiderRoleTransactionSharesPriceValueOwned AfterSEC Filing
Aug 11, 2025Holles Natalie C.EChief Executive OfficerJ-Other998.9K$0.00$0.000View
Aug 11, 2025Holles Natalie C.EChief Executive OfficerJ-Other50.0K$0.00$0.000View
Aug 11, 2025Holles Natalie C.EChief Executive OfficerJ-Other1.2M$5.35$6,520,772.600View
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Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.

Executive Activity:

Executives have been net buyers of THRD stock, which is typically a strong positive signal.