Grayzel David S.

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
24 Feb 25	QTTB Q32 Bio	Stock Option Common Stock	Grant	Acquire A	No	No	2.54	18,595	47.23 k	18,595
24 Feb 25	QTTB Q32 Bio	Stock Option Common Stock	Sale back to company	Dispose D	No	No	3.2	18,595	59.50 k	0
24 Feb 25	QTTB Q32 Bio	Stock Option Common Stock	Grant	Acquire A	No	No	2.54	2,569	6.53 k	2,569
24 Feb 25	QTTB Q32 Bio	Stock Option Common Stock	Sale back to company	Dispose D	No	No	18	2,569	46.24 k	0
24 Feb 25	QTTB Q32 Bio	Stock Option Common Stock	Grant	Acquire A	No	No	2.54	12,767	32.43 k	12,767
24 Feb 25	QTTB Q32 Bio	Stock Option Common Stock	Sale back to company	Dispose D	No	No	16.82	12,767	214.74 k	0
15 Jan 25	QTTB Q32 Bio	Stock Option Common Stock	Grant	Acquire A	No	No	3.2	18,595	59.50 k	18,595
5 Jun 24	AVTE Aerovate Therapeutics	Stock Option Common Stock	Grant	Acquire A	No	No	18.9	12,500	236.25 k	12,500
9 Apr 24	AVTE Aerovate Therapeutics	Common Stock	Sell	Dispose S	Yes	No	28.15	11,882	334.48 k	14,502
1 Apr 24	QTTB Q32 Bio	Stock Option Common Stock	Grant	Acquire A	No	No	13.42	2,569	34.48 k	2,569

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