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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in IDEAYA Biosciences, Inc.. Get notifications about new insider transactions in IDEAYA Biosciences, Inc. for free.

Page: 1

Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
May 13 2021	IDYA	IDEAYA Biosciences ...	Dillon Michael P.	SVP, Chief Scientif ...	Option Exercise	M	6.92	5,000	34,600	52,500
May 13 2021	IDYA	IDEAYA Biosciences ...	Dillon Michael P.	SVP, Chief Scientif ...	Sell	S	20.22	5,000	101,093	98,789	103.8 K to 98.8 K (-4.82 %)
May 13 2021	IDYA	IDEAYA Biosciences ...	Dillon Michael P.	SVP, Chief Scientif ...	Buy	M	6.92	5,000	34,600	103,789	98.8 K to 103.8 K (+5.06 %)
Feb 26 2021	IDYA	IDEAYA Biosciences ...	Dillon Michael P.	SVP, Chief Scientif ...	Option Exercise	A	19.52	80,000	1,561,600	80,000
Feb 26 2021	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Option Exercise	A	19.52	45,000	878,400	45,000
Feb 26 2021	IDYA	IDEAYA Biosciences ...	Throne Jason	SVP, General Counse ...	Option Exercise	A	19.52	52,500	1,024,800	52,500
Feb 26 2021	IDYA	IDEAYA Biosciences ...	Hata Yujiro S	President and CEO	Option Exercise	A	19.52	195,000	3,806,400	195,000
Feb 26 2021	IDYA	IDEAYA Biosciences ...	Stone Paul A.	SVP, Chief Financia ...	Option Exercise	A	19.52	80,000	1,561,600	80,000
Feb 17 2021	IDYA	IDEAYA Biosciences ...	Kelley Susan L.	Director	Option Exercise	A	18.91	22,000	416,020	22,000
Feb 17 2021	IDYA	IDEAYA Biosciences ...	Kelley Susan L.	Director	Option Exercise	A	18.91	22,000	416,020	22,000
Feb 10 2021	IDYA	IDEAYA Biosciences ...	Dillon Michael P.	SVP, Chief Scientif ...	Option Exercise	M	6.92	5,000	34,600	57,500
Feb 10 2021	IDYA	IDEAYA Biosciences ...	Dillon Michael P.	SVP, Chief Scientif ...	Sell	S	20.74	5,000	103,697	98,789	103.8 K to 98.8 K (-4.82 %)
Feb 10 2021	IDYA	IDEAYA Biosciences ...	Dillon Michael P.	SVP, Chief Scientif ...	Buy	M	6.92	5,000	34,600	103,789	98.8 K to 103.8 K (+5.06 %)
Feb 10 2021	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Option Exercise	M	6.98	596	4,160	33,014
Feb 10 2021	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Option Exercise	M	6.98	1,104	7,706	33,610
Feb 10 2021	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Option Exercise	M	6.98	300	2,094	34,714
Feb 10 2021	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Sell	S	21.00	596	12,516	0	596 to 0 (-100.00 %)
Feb 10 2021	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Buy	M	6.98	596	4,160	596	0 to 596
Feb 10 2021	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Sell	S	21.05	1,104	23,234	0	1.1 K to 0 (-100.00 %)
Feb 10 2021	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Buy	M	6.98	1,104	7,706	1,104	0 to 1.1 K
Feb 10 2021	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Sell	S	21.00	200	4,200	0	200 to 0 (-100.00 %)
Feb 10 2021	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Sell	S	21.02	100	2,102	200	300 to 200 (-33.33 %)
Feb 10 2021	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Buy	M	6.98	300	2,094	300	0 to 300
Feb 04 2021	IDYA	IDEAYA Biosciences ...	BVF PARTNERS L P/IL		Sell	S	18.00	4,325	77,850	233,150	237.5 K to 233.2 K (-1.82 %)
Feb 04 2021	IDYA	IDEAYA Biosciences ...	BVF PARTNERS L P/IL		Sell	S	18.00	16,850	303,300	1,188,131	1.2 M to 1.2 M (-1.40 %)
Feb 04 2021	IDYA	IDEAYA Biosciences ...	BVF PARTNERS L P/IL		Sell	S	18.00	25,234	454,212	1,642,186	1.7 M to 1.6 M (-1.51 %)
Jan 28 2021	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Option Exercise	M	6.98	1,123	7,839	35,014
Jan 28 2021	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Option Exercise	M	4.62	377	1,742	61,760
Jan 28 2021	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Sell	S	18.79	800	15,034	0	800 to 0 (-100.00 %)
Jan 28 2021	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Sell	S	18.30	1,701	31,124	800	2.5 K to 800 (-68.01 %)
Jan 28 2021	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Buy	M	6.98	1,123	7,839	2,501	1.4 K to 2.5 K (+81.49 %)
Jan 28 2021	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Buy	M	4.62	377	1,742	1,378	1 K to 1.4 K (+37.66 %)
Dec 23 2020	IDYA	IDEAYA Biosciences ...	Hata Yujiro S	President and CEO	Option Exercise	M	4.31	8,000	34,480	486,055
Dec 23 2020	IDYA	IDEAYA Biosciences ...	Hata Yujiro S	President and CEO	Buy	M	4.31	8,000	34,480	666,286	658.3 K to 666.3 K (+1.22 %)
Dec 22 2020	IDYA	IDEAYA Biosciences ...	Dillon Michael P.	SVP, Chief Scientif ...	Option Exercise	M	4.31	7,750	33,403	72,735
Dec 22 2020	IDYA	IDEAYA Biosciences ...	Dillon Michael P.	SVP, Chief Scientif ...	Buy	M	4.31	7,750	33,403	98,789	91 K to 98.8 K (+8.51 %)
Dec 15 2020	IDYA	IDEAYA Biosciences ...	Stone Paul A.	SVP, Chief Financia ...	Buy	J	0.00	444	0	15,444	15 K to 15.4 K (+2.96 %)
Dec 08 2020	IDYA	IDEAYA Biosciences ...	Throne Jason	SVP, General Counse ...	Sell	S	15.55	1,579	24,548	0	1.6 K to 0 (-100.00 %)
Dec 08 2020	IDYA	IDEAYA Biosciences ...	Throne Jason	SVP, General Counse ...	Sell	S	14.66	400	5,862	1,579	2 K to 1.6 K (-20.21 %)
Nov 13 2020	IDYA	IDEAYA Biosciences ...	5AM Ventures IV, L.P.	10% Owner	Sell	S	13.66	115,504	1,577,785	384,496	500 K to 384.5 K (-23.10 %)
Nov 13 2020	IDYA	IDEAYA Biosciences ...	5AM Ventures IV, L.P.	10% Owner	Sell	S	13.66	27,379	373,997	91,142	118.5 K to 91.1 K (-23.10 %)
Nov 13 2020	IDYA	IDEAYA Biosciences ...	5AM Ventures IV, L.P.	10% Owner	Sell	S	13.66	657,117	8,976,218	2,187,428	2.8 M to 2.2 M (-23.10 %)
Jul 02 2020	IDYA	IDEAYA Biosciences ...	BVF PARTNERS L P/IL	10% Owner	Buy	P	13.32	81	1,079	237,475	237.4 K to 237.5 K (+0.03 %)
Jul 02 2020	IDYA	IDEAYA Biosciences ...	BVF PARTNERS L P/IL	10% Owner	Buy	P	13.32	929	12,371	1,204,981	1.2 M to 1.2 M (+0.08 %)
Jul 02 2020	IDYA	IDEAYA Biosciences ...	BVF PARTNERS L P/IL	10% Owner	Buy	P	13.32	1,521	20,254	1,667,420	1.7 M to 1.7 M (+0.09 %)
Jul 02 2020	IDYA	IDEAYA Biosciences ...	Throne Jason	SVP, General Counse ...	Option Exercise	A	13.34	75,000	1,000,500	75,000
Jun 30 2020	IDYA	IDEAYA Biosciences ...	Hampton Malcolm Garret	Director	Option Exercise	A	14.42	22,000	317,240	22,000
Jun 22 2020	IDYA	IDEAYA Biosciences ...	BVF PARTNERS L P/IL	10% Owner	Buy	P	13.93	1,354	18,868	237,394	236 K to 237.4 K (+0.57 %)
Jun 22 2020	IDYA	IDEAYA Biosciences ...	BVF PARTNERS L P/IL	10% Owner	Buy	P	13.93	7,854	109,443	1,204,052	1.2 M to 1.2 M (+0.66 %)
Jun 22 2020	IDYA	IDEAYA Biosciences ...	BVF PARTNERS L P/IL	10% Owner	Buy	P	13.93	10,524	146,649	1,665,899	1.7 M to 1.7 M (+0.64 %)
Jun 22 2020	IDYA	IDEAYA Biosciences ...	BVF PARTNERS L P/IL	10% Owner	Buy	P	14.39	6,769	97,403	236,040	229.3 K to 236 K (+2.95 %)
Jun 22 2020	IDYA	IDEAYA Biosciences ...	BVF PARTNERS L P/IL	10% Owner	Buy	P	14.39	39,052	561,939	1,196,198	1.2 M to 1.2 M (+3.37 %)
Jun 22 2020	IDYA	IDEAYA Biosciences ...	BVF PARTNERS L P/IL	10% Owner	Buy	P	14.39	52,443	754,629	1,655,375	1.6 M to 1.7 M (+3.27 %)
Jun 19 2020	IDYA	IDEAYA Biosciences ...	Stone Paul A.	Chief Financial Off ...	Option Exercise	M	4.62	3,100	14,322	137,832
Jun 19 2020	IDYA	IDEAYA Biosciences ...	Stone Paul A.	Chief Financial Off ...	Sell	S	19.95	600	11,968	15,000	15.6 K to 15 K (-3.85 %)
Jun 19 2020	IDYA	IDEAYA Biosciences ...	Stone Paul A.	Chief Financial Off ...	Sell	S	17.50	2,500	43,749	15,600	18.1 K to 15.6 K (-13.81 %)
Jun 19 2020	IDYA	IDEAYA Biosciences ...	Stone Paul A.	Chief Financial Off ...	Buy	M	4.62	3,100	14,322	18,100	15 K to 18.1 K (+20.67 %)
Jun 18 2020	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Option Exercise	M	4.62	373	1,723	62,137
Jun 18 2020	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Option Exercise	M	6.98	2,863	19,984	36,137
Jun 18 2020	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Option Exercise	M	4.62	3,887	17,958	62,510
Jun 18 2020	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Sell	S	19.91	373	7,428	0	373 to 0 (-100.00 %)
Jun 18 2020	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Buy	M	4.62	373	1,723	373	0 to 373
Jun 18 2020	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Sell	S	14.93	6,750	100,761	0	6.8 K to 0 (-100.00 %)
Jun 18 2020	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Buy	M	6.98	2,863	19,984	6,750	3.9 K to 6.8 K (+73.66 %)
Jun 18 2020	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Buy	M	4.62	3,887	17,958	3,887	0 to 3.9 K
Jun 18 2020	IDYA	IDEAYA Biosciences ...	Morrison Scott W	Director	Option Exercise	A	12.84	11,000	141,240	11,000
Jun 18 2020	IDYA	IDEAYA Biosciences ...	ROSEN TERRY J	Director	Option Exercise	A	12.84	11,000	141,240	11,000
Jun 18 2020	IDYA	IDEAYA Biosciences ...	SHANNON TIMOTHY M	Director	Option Exercise	A	12.84	11,000	141,240	11,000
Jun 18 2020	IDYA	IDEAYA Biosciences ...	Stein Jeffrey	Director	Option Exercise	A	12.84	11,000	141,240	11,000
Jun 18 2020	IDYA	IDEAYA Biosciences ...	YARNO WENDY L	Director	Option Exercise	A	12.84	11,000	141,240	11,000
Jun 08 2020	IDYA	IDEAYA Biosciences ...	Throne Jason	VP, General Counsel	Sell	S	8.66	2,205	19,087	0	2.2 K to 0 (-100.00 %)
Jun 04 2020	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Sell	S	10.11	104	1,051	0	104 to 0 (-100.00 %)
Jun 04 2020	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Sell	S	9.73	333	3,241	104	437 to 104 (-76.20 %)
Jun 04 2020	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Sell	S	8.55	408	3,487	437	845 to 437 (-48.28 %)
Apr 16 2020	IDYA	IDEAYA Biosciences ...	Hata Yujiro S	President and CEO	Option Exercise	M	4.31	47,564	205,001	494,055
Apr 16 2020	IDYA	IDEAYA Biosciences ...	Hata Yujiro S	President and CEO	Buy	M	4.31	47,564	205,001	658,286	610.7 K to 658.3 K (+7.79 %)
Apr 01 2020	IDYA	IDEAYA Biosciences ...	Stone Paul A.	Chief Financial Off ...	Option Exercise	M	4.62	5,000	23,100	140,932
Apr 01 2020	IDYA	IDEAYA Biosciences ...	Stone Paul A.	Chief Financial Off ...	Buy	M	4.62	5,000	23,100	15,000	10 K to 15 K (+50.00 %)
Feb 25 2020	IDYA	IDEAYA Biosciences ...	Hata Yujiro S	President and CEO	Option Exercise	A	6.92	215,000	1,487,800	215,000
Feb 25 2020	IDYA	IDEAYA Biosciences ...	Lackner Mark	SVP, Head of Biolog ...	Option Exercise	A	6.92	40,000	276,800	40,000
Feb 25 2020	IDYA	IDEAYA Biosciences ...	Dillon Michael P.	SVP, Chief Scientif ...	Option Exercise	A	6.92	62,500	432,500	62,500
Feb 25 2020	IDYA	IDEAYA Biosciences ...	Hambleton Julie	SVP, Chief Medical ...	Option Exercise	A	6.92	62,500	432,500	62,500
Dec 19 2019	IDYA	IDEAYA Biosciences ...	ROSEN TERRY J	Director	Option Exercise	A	9.15	1,250	11,438	1,250
Dec 19 2019	IDYA	IDEAYA Biosciences ...	Morrison Scott W	Director	Option Exercise	A	9.15	1,250	11,438	1,250
Dec 19 2019	IDYA	IDEAYA Biosciences ...	DIEKMAN JOHN D	Director	Option Exercise	A	9.15	11,000	100,650	11,000
Dec 19 2019	IDYA	IDEAYA Biosciences ...	Stein Jeffrey	Director	Option Exercise	A	9.15	1,250	11,438	1,250
Dec 19 2019	IDYA	IDEAYA Biosciences ...	SHANNON TIMOTHY M	Director	Option Exercise	A	9.15	11,000	100,650	11,000
Dec 19 2019	IDYA	IDEAYA Biosciences ...	YARNO WENDY L	Director	Option Exercise	A	7.36	22,000	161,920	22,000
Oct 11 2019	IDYA	IDEAYA Biosciences ...	Throne Jason	VP, General Counsel	Option Exercise	A	7.01	75,000	525,750	75,000
Aug 01 2019	IDYA	IDEAYA Biosciences ...	Hata Yujiro S	President and CEO	Option Exercise	M	4.31	15,000	64,650	541,619
Aug 01 2019	IDYA	IDEAYA Biosciences ...	Hata Yujiro S	President and CEO	Buy	M	4.31	15,000	64,650	610,722	595.7 K to 610.7 K (+2.52 %)
Jul 30 2019	IDYA	IDEAYA Biosciences ...	Hager Jeffrey	SVP, Chief Technolo ...	Option Exercise	M	4.31	5,197	22,399	10,396
Jul 30 2019	IDYA	IDEAYA Biosciences ...	Hager Jeffrey	SVP, Chief Technolo ...	Buy	M	4.31	5,197	22,399	127,853	122.7 K to 127.9 K (+4.24 %)
Jul 29 2019	IDYA	IDEAYA Biosciences ...	Stone Paul A.	SVP, General Counse ...	Option Exercise	M	4.62	10,000	46,200	145,932
Jul 29 2019	IDYA	IDEAYA Biosciences ...	Stone Paul A.	SVP, General Counse ...	Buy	M	4.62	10,000	46,200	10,000	0 to 10 K
Jul 26 2019	IDYA	IDEAYA Biosciences ...	Hager Jeffrey	SVP, Chief Technolo ...	Option Exercise	M	4.31	7,145	30,795	33,275
Jul 26 2019	IDYA	IDEAYA Biosciences ...	Hager Jeffrey	SVP, Chief Technolo ...	Option Exercise	M	4.31	8,628	37,187	40,420
Jul 26 2019	IDYA	IDEAYA Biosciences ...	Hager Jeffrey	SVP, Chief Technolo ...	Buy	M	4.31	7,145	30,795	122,656	115.5 K to 122.7 K (+6.19 %)
Jul 26 2019	IDYA	IDEAYA Biosciences ...	Hager Jeffrey	SVP, Chief Technolo ...	Buy	M	4.31	8,628	37,187	115,511	106.9 K to 115.5 K (+8.07 %)
May 30 2019	IDYA	IDEAYA Biosciences ...	Alexandria Venture Investments ...	10% Owner	Option Exercise	C	0.00	772,499	0	0
May 30 2019	IDYA	IDEAYA Biosciences ...	Alexandria Venture Investments ...	10% Owner	Option Exercise	C	0.00	3,149,405	0	0
May 30 2019	IDYA	IDEAYA Biosciences ...	Alexandria Venture Investments ...	10% Owner	Buy	P	10.00	50,000	500,000	432,384	382.4 K to 432.4 K (+13.08 %)
May 30 2019	IDYA	IDEAYA Biosciences ...	Alexandria Venture Investments ...	10% Owner	Buy	C	0.00	382,384	0	382,384	0 to 382.4 K
May 28 2019	IDYA	IDEAYA Biosciences ...	5AM Ventures IV, L.P.	10% Owner	Option Exercise	C	0.00	24,101	0	0
May 28 2019	IDYA	IDEAYA Biosciences ...	5AM Ventures IV, L.P.	10% Owner	Option Exercise	C	0.00	71,745	0	0
May 28 2019	IDYA	IDEAYA Biosciences ...	5AM Ventures IV, L.P.	10% Owner	Option Exercise	C	0.00	578,447	0	0
May 28 2019	IDYA	IDEAYA Biosciences ...	5AM Ventures IV, L.P.	10% Owner	Option Exercise	C	0.00	1,721,898	0	0
May 28 2019	IDYA	IDEAYA Biosciences ...	5AM Ventures IV, L.P.	10% Owner	Buy	P	10.00	500,000	5,000,000	500,000	0 to 500 K
May 28 2019	IDYA	IDEAYA Biosciences ...	5AM Ventures IV, L.P.	10% Owner	Buy	P	10.00	10,000	100,000	118,521	108.5 K to 118.5 K (+9.21 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	5AM Ventures IV, L.P.	10% Owner	Buy	P	10.00	240,000	2,400,000	2,844,545	2.6 M to 2.8 M (+9.21 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	5AM Ventures IV, L.P.	10% Owner	Buy	C	0.00	24,101	0	108,521	84.4 K to 108.5 K (+28.55 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	5AM Ventures IV, L.P.	10% Owner	Buy	C	0.00	71,745	0	84,420	12.7 K to 84.4 K (+566.04 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	5AM Ventures IV, L.P.	10% Owner	Buy	C	0.00	578,447	0	2,604,545	2 M to 2.6 M (+28.55 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	5AM Ventures IV, L.P.	10% Owner	Buy	C	0.00	1,721,898	0	2,026,098	304.2 K to 2 M (+566.04 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	DIEKMAN JOHN D	Director	Option Exercise	C	0.00	24,101	0	0
May 28 2019	IDYA	IDEAYA Biosciences ...	DIEKMAN JOHN D	Director	Option Exercise	C	0.00	71,745	0	0
May 28 2019	IDYA	IDEAYA Biosciences ...	DIEKMAN JOHN D	Director	Option Exercise	C	0.00	578,447	0	0
May 28 2019	IDYA	IDEAYA Biosciences ...	DIEKMAN JOHN D	Director	Option Exercise	C	0.00	1,721,898	0	0
May 28 2019	IDYA	IDEAYA Biosciences ...	DIEKMAN JOHN D	Director	Buy	P	10.00	10,000	100,000	118,521	108.5 K to 118.5 K (+9.21 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	DIEKMAN JOHN D	Director	Buy	P	10.00	240,000	2,400,000	2,844,545	2.6 M to 2.8 M (+9.21 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	DIEKMAN JOHN D	Director	Buy	C	0.00	24,101	0	108,521	84.4 K to 108.5 K (+28.55 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	DIEKMAN JOHN D	Director	Buy	C	0.00	71,745	0	84,420	12.7 K to 84.4 K (+566.04 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	DIEKMAN JOHN D	Director	Buy	C	0.00	578,447	0	2,604,545	2 M to 2.6 M (+28.55 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	DIEKMAN JOHN D	Director	Buy	C	0.00	1,721,898	0	2,026,098	304.2 K to 2 M (+566.04 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	Stone Paul A.	SVP, General Counse ...	Option Exercise	C	0.00	24,101	0	0
May 28 2019	IDYA	IDEAYA Biosciences ...	Stone Paul A.	SVP, General Counse ...	Option Exercise	C	0.00	71,745	0	0
May 28 2019	IDYA	IDEAYA Biosciences ...	Stone Paul A.	SVP, General Counse ...	Option Exercise	C	0.00	578,447	0	0
May 28 2019	IDYA	IDEAYA Biosciences ...	Stone Paul A.	SVP, General Counse ...	Option Exercise	C	0.00	1,721,898	0	0
May 28 2019	IDYA	IDEAYA Biosciences ...	Stone Paul A.	SVP, General Counse ...	Buy	P	10.00	10,000	100,000	118,521	108.5 K to 118.5 K (+9.21 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	Stone Paul A.	SVP, General Counse ...	Buy	P	10.00	240,000	2,400,000	2,844,545	2.6 M to 2.8 M (+9.21 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	Stone Paul A.	SVP, General Counse ...	Buy	C	0.00	24,101	0	108,521	84.4 K to 108.5 K (+28.55 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	Stone Paul A.	SVP, General Counse ...	Buy	C	0.00	71,745	0	84,420	12.7 K to 84.4 K (+566.04 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	Stone Paul A.	SVP, General Counse ...	Buy	C	0.00	578,447	0	2,604,545	2 M to 2.6 M (+28.55 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	Stone Paul A.	SVP, General Counse ...	Buy	C	0.00	1,721,898	0	2,026,098	304.2 K to 2 M (+566.04 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	SHANNON TIMOTHY M	Director	Option Exercise	C	0.00	602,549	0	0
May 28 2019	IDYA	IDEAYA Biosciences ...	SHANNON TIMOTHY M	Director	Option Exercise	C	0.00	1,658,164	0	0
May 28 2019	IDYA	IDEAYA Biosciences ...	SHANNON TIMOTHY M	Director	Buy	P	10.00	400,000	4,000,000	2,660,713	2.3 M to 2.7 M (+17.69 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	SHANNON TIMOTHY M	Director	Buy	C	0.00	602,549	0	2,260,713	1.7 M to 2.3 M (+36.34 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	SHANNON TIMOTHY M	Director	Buy	C	0.00	1,658,164	0	1,658,164	0 to 1.7 M
May 28 2019	IDYA	IDEAYA Biosciences ...	CANAAN X L.P.	10% Owner	Option Exercise	C	0.00	602,549	0	0
May 28 2019	IDYA	IDEAYA Biosciences ...	CANAAN X L.P.	10% Owner	Option Exercise	C	0.00	1,658,164	0	0
May 28 2019	IDYA	IDEAYA Biosciences ...	CANAAN X L.P.	10% Owner	Buy	P	10.00	400,000	4,000,000	2,660,713	2.3 M to 2.7 M (+17.69 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	CANAAN X L.P.	10% Owner	Buy	C	0.00	602,549	0	2,260,713	1.7 M to 2.3 M (+36.34 %)
May 28 2019	IDYA	IDEAYA Biosciences ...	CANAAN X L.P.	10% Owner	Buy	C	0.00	1,658,164	0	1,658,164	0 to 1.7 M

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