Sierra Oncology Inc (SRRA)

Healthcare Pharmaceuticals & Medical Research Biotechnology & Medical Research

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Ticker: SRRA Exchange: NMS

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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale

Past 90 days

Value bought

Value sold

Net insiders buying

Trades (buy and sell)

Company data

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Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other

Notification date	Transaction date	B/S Transaction type	Insider and/or position	Nb. shares Price Value	Number of shares	Price	Total value
2022-04-07	2022-04-06	PS Planned sale	Turner William D. Chief Reg & Tech Ops Officer Officer	6,347 -100.0% 37.25 236,409 USD	6,347 -100.0%	37.25	236,409 USD
2022-04-07	2022-04-05	PS Planned sale	Turner William D. Chief Reg & Tech Ops Officer Officer	100 -100.0% 37.09 3,709 USD	100 -100.0%	37.09	3,709 USD
2022-04-04	2022-04-04	PS Planned sale	Thomson Mary Christina General Counsel, CCO & Sec'y Officer	2,000 -100.0% 35.14 70,277 USD	2,000 -100.0%	35.14	70,277 USD
2022-03-22	2022-03-18	PS Planned sale	Turner William D. Chief Reg & Tech Ops Officer Officer	100 -100.0% 37.05 3,705 USD	100 -100.0%	37.05	3,705 USD
2022-03-17	2022-03-17	PS Planned sale	Turner William D. Chief Reg & Tech Ops Officer Officer	3,453 -100.0% 37.06 127,954 USD	3,453 -100.0%	37.06	127,954 USD
2022-03-04	2022-03-04	PS Planned sale	Thomson Mary Christina General Counsel, CCO & Sec'y Officer	2,000 -100.0% 30.60 61,196 USD	2,000 -100.0%	30.60	61,196 USD
2022-02-08	2022-02-07	PS Planned sale	Turner William D. Chief Reg & Tech Ops Officer Officer	10,000 -100.0% 32.32 323,225 USD	10,000 -100.0%	32.32	323,225 USD
2022-02-04	2022-02-04	PS Planned sale	Thomson Mary Christina General Counsel, CCO & Sec'y Officer	2,000 -100.0% 29.78 59,560 USD	2,000 -100.0%	29.78	59,560 USD
2022-02-02	2022-02-02	B Purchase	Longitude Capital Partners III, LLC Large shareholder	175,000 +inf% 27.00 4,725,000 USD	175,000 +inf%	27.00	4,725,000 USD
2022-02-02	2022-02-02	B Purchase	Richardson Joshua Non-Executive Director Large shareholder	175,000 +inf% 27.00 4,725,000 USD	175,000 +inf%	27.00	4,725,000 USD
2022-02-01	2022-01-31	B Purchase	Sinclair Andrew Non-Executive Director	150,000 +12.9% 27.00 4,050,000 USD	150,000 +12.9%	27.00	4,050,000 USD
2022-02-01	2022-01-31	B Purchase	Abingworth LLP Large shareholder	150,000 +12.9% 27.00 4,050,000 USD	150,000 +12.9%	27.00	4,050,000 USD
2022-01-31	2022-01-31	B Purchase	Aggarwal Gaurav Non-Executive Director Large shareholder	800,000 +41.3% 27.00 21,600,000 USD	800,000 +41.3%	27.00	21,600,000 USD
2022-01-31	2022-01-31	B Purchase	Vivo Opportunity, LLC Large shareholder	800,000 +41.3% 27.00 21,600,000 USD	800,000 +41.3%	27.00	21,600,000 USD
2022-01-28	2022-01-26	PS Planned sale	Turner William D. Chief Reg & Tech Ops Officer Officer	5,000 -100.0% 27.05 135,250 USD	5,000 -100.0%	27.05	135,250 USD
2022-01-28	2022-01-26	PS Planned sale	Thomson Mary Christina General Counsel & Secretary Officer	2,000 -100.0% 29.00 58,000 USD	2,000 -100.0%	29.00	58,000 USD
2021-11-24	2021-11-24	B Purchase	Collard Craig A Non-Executive Director	7,899 +141.0% 23.09 182,348 USD	7,899 +141.0%	23.09	182,348 USD
2021-11-24	2021-11-23	B Purchase	Collard Craig A Non-Executive Director	5,601 +inf% 22.95 128,515 USD	5,601 +inf%	22.95	128,515 USD
2021-05-20	2021-05-19	B Purchase	DILLY STEPHEN GEORGE CEO and President Executive Director	5,000 +inf% 17.83 89,150 USD	5,000 +inf%	17.83	89,150 USD
2020-08-18	2020-08-18	B Purchase	Klencke Barbara Chief Development Officer Officer	3,325 +198.5% 12.25 40,738 USD	3,325 +198.5%	12.25	40,738 USD
2020-08-18	2020-08-18	B Purchase	Klencke Barbara Chief Development Officer Officer	5,950 +146.9% 12.22 72,710 USD	5,950 +146.9%	12.22	72,710 USD
2019-08-26	2019-08-23	B Purchase	Klencke Barbara Chief Development Officer Officer	108,000 +200.0% 0.44 47,380 USD	108,000 +200.0%	0.44	47,380 USD
2019-08-26	2019-08-22	B Purchase	Klencke Barbara Chief Development Officer Officer	54,000 +inf% 0.45 24,295 USD	54,000 +inf%	0.45	24,295 USD
2019-08-26	2019-08-22	B Purchase	Klencke Barbara Chief Development Officer Officer	67,000 +inf% 0.43 28,964 USD	67,000 +inf%	0.43	28,964 USD
2018-12-11	2018-12-10	B Purchase	Allen Andrew R Non-Executive Director	66,000 +inf% 1.64 108,240 USD	66,000 +inf%	1.64	108,240 USD
2017-03-09	2017-03-08	B Purchase	You Angie Chief Bus. & Strat. Officer	30,000 +29.1% 1.43 42,900 USD	30,000 +29.1%	1.43	42,900 USD
2017-02-16	2017-02-14	B Purchase	Topper James N Large shareholder	5,925,926 +inf% 1.35 8,000,000 USD	5,925,926 +inf%	1.35	8,000,000 USD
2016-03-24	2016-03-22	PS Planned sale	Chapman Wendy SVP Clinical Operations Officer	3,000 -100.0% 7.01 21,023 USD	3,000 -100.0%	7.01	21,023 USD
2016-02-24	2016-02-22	PS Planned sale	Chapman Wendy SVP Clinical Operations Officer	3,000 -100.0% 7.06 21,180 USD	3,000 -100.0%	7.06	21,180 USD
2016-01-25	2016-01-22	PS Planned sale	Chapman Wendy SVP Clinical Operations Officer	5,000 -100.0% 9.39 46,973 USD	5,000 -100.0%	9.39	46,973 USD
2016-01-22	2016-01-22	PS Planned sale	Rodigueza Wendi Chief Scientific Officer Officer	1,000 -0.6% 9.66 9,660 USD	1,000 -0.6%	9.66	9,660 USD
2016-01-22	2016-01-21	PS Planned sale	Rodigueza Wendi Chief Scientific Officer Officer	1,000 -0.6% 10.32 10,323 USD	1,000 -0.6%	10.32	10,323 USD
2016-01-22	2016-01-20	PS Planned sale	Rodigueza Wendi Chief Scientific Officer Officer	1,000 -0.6% 9.59 9,590 USD	1,000 -0.6%	9.59	9,590 USD
2016-01-19	2016-01-15	PS Planned sale	Glover Nicholas CEO and President Executive Director	5,000 -100.0% 10.04 50,223 USD	5,000 -100.0%	10.04	50,223 USD
2016-01-14	2016-01-12	PS Planned sale	Lovejoy Chandra D SVP of Reg. Affairs & Quality Officer	5,562 -100.0% 11.93 66,345 USD	5,562 -100.0%	11.93	66,345 USD
2016-01-14	2016-01-12	PS Planned sale	Lovejoy Chandra D SVP of Reg. Affairs & Quality Officer	15,411 -73.5% 11.06 170,489 USD	15,411 -73.5%	11.06	170,489 USD
2015-07-21	2015-07-21	B Purchase	CHA ALBERT Non-Executive Director	4,693 +0.2% 17.00 79,781 USD	4,693 +0.2%	17.00	79,781 USD
2015-07-21	2015-07-21	B Purchase	CHA ALBERT Non-Executive Director	215,307 +9.7% 17.00 3,660,219 USD	215,307 +9.7%	17.00	3,660,219 USD
2015-07-21	2015-07-21	B Purchase	ORBIMED ADVISORS LLC Non-Executive Director	175,000 +9.6% 17.00 2,975,000 USD	175,000 +9.6%	17.00	2,975,000 USD
2015-07-21	2015-07-21	B Purchase	Topper James N Non-Executive Director	220,000 +11.2% 17.00 3,740,000 USD	220,000 +11.2%	17.00	3,740,000 USD
2015-07-21	2015-07-21	B Purchase	VIVO VENTURES VII, LLC Former 10% holder	4,693 +0.2% 17.00 79,781 USD	4,693 +0.2%	17.00	79,781 USD
2015-07-21	2015-07-21	B Purchase	VIVO VENTURES VII, LLC Former 10% holder	215,307 +9.7% 17.00 3,660,219 USD	215,307 +9.7%	17.00	3,660,219 USD
2015-07-21	2015-07-21	B Purchase	Thompson Peter A. Non-Executive Director	175,000 +9.6% 17.00 2,975,000 USD	175,000 +9.6%	17.00	2,975,000 USD