Smith Brandon S.

Insider CIK 1805226 · PRTA Chief Operating Officer

Track record PRO

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Track record

See how this insider's past purchases performed 30 and 90 days later, and a conviction score on each buy.

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Trades across companies

Ticker	Code	Trade	Filed	Shares	Price	Value	Owned after
PRTA PROTHENA CORP PUBLIC LTD C	M Exercise deriv	2026-07-28	2026-07-30	78,000	—	$0	0	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	D To issuer	2026-07-28	2026-07-30	78,000	$8.56	$667.7K	52,000	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	M Exercise	2026-07-28	2026-07-30	78,000	—	$0	130,000	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	M Exercise deriv	2026-07-28	2026-07-30	78,000	—	$0	0	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	D To issuer	2026-07-28	2026-07-30	78,000	$8.56	$667.7K	52,000	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	M Exercise	2026-07-28	2026-07-30	78,000	—	—	130,000	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	A Award deriv	2026-03-03	2026-03-05	190,000	—	$0	190,000	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	A Award	2025-07-28	2025-07-30	130,000	—	$0	130,000	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	A Award deriv	2025-03-05	2025-03-07	107,500	—	$0	107,500	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	A Award deriv	2024-02-27	2024-02-29	85,000	—	$0	85,000	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	M Exercise deriv	2023-10-11	2023-10-11	4,000	—	$0	218,667	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	S Sale	2023-10-11	2023-10-11	3,556	$46.62	$165.8K	444	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	M Exercise	2023-10-11	2023-10-11	4,000	$11.12	$44.5K	4,000	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	S Sale	2023-10-11	2023-10-11	444	$47.74	$21.2K	0	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	M Exercise deriv	2023-09-13	2023-09-13	4,000	—	$0	222,667	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	M Exercise	2023-09-13	2023-09-13	4,000	$11.12	$44.5K	4,000	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	S Sale	2023-09-13	2023-09-13	114	$55.96	$6.4K	0	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	S Sale	2023-09-13	2023-09-13	3,886	$55.48	$215.6K	114	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	M Exercise deriv	2023-08-16	2023-08-16	4,000	—	$0	226,667	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	S Sale	2023-08-16	2023-08-16	401	$59.91	$24.0K	0	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	S Sale	2023-08-16	2023-08-16	1,373	$59.15	$81.2K	401	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	S Sale	2023-08-16	2023-08-16	2,226	$58.22	$129.6K	1,774	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	M Exercise	2023-08-16	2023-08-16	4,000	$11.12	$44.5K	4,000	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	M Exercise deriv	2023-07-12	2023-07-12	4,000	—	$0	230,667	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	M Exercise	2023-07-12	2023-07-12	4,000	$11.12	$44.5K	4,000	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	S Sale	2023-07-12	2023-07-12	800	$67.95	$54.4K	0	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	S Sale	2023-07-12	2023-07-12	3,200	$67.40	$215.7K	800	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	M Exercise deriv	2023-06-14	2023-06-14	5,333	—	$0	234,667	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	S Sale	2023-06-14	2023-06-14	959	$74.69	$71.6K	1,362	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	S Sale	2023-06-14	2023-06-14	1,914	$73.35	$140.4K	2,321	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	S Sale	2023-06-14	2023-06-14	1,098	$72.52	$79.6K	4,235	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	M Exercise	2023-06-14	2023-06-14	5,333	$11.12	$59.3K	5,333	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	S Sale	2023-06-14	2023-06-14	1,362	$75.56	$102.9K	0	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	A Award deriv	2023-03-02	2023-03-03	48,000	—	$0	48,000	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	A Award deriv	2022-02-23	2022-02-25	85,000	—	$0	85,000	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	A Award deriv	2021-09-29	2021-10-01	25,000	—	$0	25,000	SEC↗
PRTA PROTHENA CORP PUBLIC LTD C	A Award deriv	2021-02-25	2021-02-26	56,000	—	$0	56,000	SEC↗
PRTA Prothena Corp plc	A Award deriv	2020-03-02	2020-03-04	240,000	—	$0	240,000	SEC↗