Holles Natalie C.

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
15 Jan 25	THRD Third Harmonic Bio	RSU Common Stock	Grant	Acquire A	No	No	0	50,000	0.00	50,000
15 Jan 25	THRD Third Harmonic Bio	Employee Stock Option Common Stock	Grant	Acquire A	No	No	6	400,000	2.40 mm	400,000
23 May 24	DAWN Day One Biopharmaceuticals	Stock Option (right to buy Common Stock) Common Stock	Grant	Acquire A	No	No	13.87	32,335	448.49 k	32,335
9 May 24	THRD Third Harmonic Bio	Common Stock	Sell	Dispose S	No	Yes	12.1798	20,222	246.30 k	1,218,836
9 May 24	THRD Third Harmonic Bio	Common Stock	Option exercise	Acquire M	No	No	4.2	20,222	84.93 k	1,239,058
9 May 24	THRD Third Harmonic Bio	Employee Stock Option Common Stock	Option exercise	Dispose M	No	No	4.2	20,222	84.93 k	433,854
11 Apr 24	THRD Third Harmonic Bio	Common Stock	Sell	Dispose S	No	Yes	12.1857	13,558	165.21 k	1,218,836
11 Apr 24	THRD Third Harmonic Bio	Common Stock	Option exercise	Acquire M	No	No	4.2	13,558	56.94 k	1,232,394
11 Apr 24	THRD Third Harmonic Bio	Employee Stock Option Common Stock	Option exercise	Dispose M	No	No	4.2	13,558	56.94 k	454,076
5 Jan 24	THRD Third Harmonic Bio	Employee Option Grant Common Stock	Grant	Acquire A	No	No	10.89	396,000	4.31 mm	396,000

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.