Brown, Gary Duncan — Insider Profile

Insider Profile

Brown, Gary Duncan

🔒 Follow — get an alert on any new filing

$ATLE $GBML $SICO $WPM

Companies Filed At

Open-Market Buys (2yr)

$3.3M

Buy Value (2yr, open-market)

May 19, 2026

Most Recent Trade

Credibility
Score

66%

Hit Rate

+5.7%

Avg 90d Return

+8.3%

Median 90d Return

Evaluated Trades

+23.6%

Best Trade

-16.4%

Worst Trade

Hit rate and returns are based on 47 open-market buys with evaluable 90-day outcomes. Score reflects historical conviction, not a guarantee of future performance. This insider has a solid track record of profitable timing.

Cross-Company Track Record

64%

Hit Rate · 90d

+5.2%

Median Alpha · 90d

Closed Buys Evaluated

64%

Beat XIU

All-insider base rate: 59% hit rate · +1.3% mean alpha (n=11504)

cluster buyer high frequency size concentrated

Entry: closing price on SEDI filing date (point-in-time). Exit: 90 calendar days later. Alpha vs XIU.TO (iShares TSX 60). Closed trades only. Not investment advice.

Research 14 closed buys with individual return outcomes available on the Research plan.

Currently Accumulating Companies this insider is net-buying on the open market over the last 90 days

$SICO 55

Silverco Mining Ltd.

$826K · 1 buy

Last buy May 19, 2026

Date	Company	Role	Nature	Dir.	Shares	Price	Value	Score
May 19, 2026	$SICO Silverco Mining Ltd.	—	Open Market	Buy	84,270	$9.80	$826K	55
Oct 17, 2025	$SICO Silverco Mining Ltd.	—	Other	Sell	—	—	—	55
Oct 17, 2025	$SICO Silverco Mining Ltd.	—	Other	Sell	—	—	—	55
Jun 19, 2025	$ATLE Atlas Energy Corp.	—	Open Market	Sell	40,000,000	$0.05	—	10
Jun 19, 2025	$ATLE Atlas Energy Corp.	—	Other	Sell	—	—	—	10
Mar 31, 2025	$WPM Wheaton Precious Metals	—	Open Market	Buy	8,646	$110.70	$957K	63
Mar 31, 2025	$WPM Wheaton Precious Metals	—	Exercise	Buy	8,646	$49.86	$431K	63
Mar 28, 2025	$WPM Wheaton Precious Metals	—	Exercise	Buy	8,646	$49.86	$431K	63
Mar 28, 2025	$WPM Wheaton Precious Metals	—	Open Market	Buy	8,646	$109.78	$949K	63
Mar 19, 2025	$WPM Wheaton Precious Metals	—	Exercise	Buy	1,726	$59.79	$103K	63
Mar 19, 2025	$WPM Wheaton Precious Metals	—	Exercise	Sell	1,726	$59.79	$103K	63
Mar 19, 2025	$WPM Wheaton Precious Metals	—	Open Market	Buy	1,726	$107.81	$186K	63
Mar 18, 2025	$WPM Wheaton Precious Metals	—	Exercise	Buy	1,620	$60.00	$97K	63
Mar 18, 2025	$WPM Wheaton Precious Metals	—	Exercise	Sell	1,620	$60.00	$97K	63
Mar 18, 2025	$WPM Wheaton Precious Metals	—	Open Market	Buy	1,620	$107.69	$174K	63
Mar 18, 2025	$WPM Wheaton Precious Metals	—	Exercise	Sell	1,703	$59.41	$101K	63
Mar 18, 2025	$WPM Wheaton Precious Metals	—	Exercise	Buy	1,703	$59.41	$101K	63
Mar 18, 2025	$WPM Wheaton Precious Metals	—	Open Market	Buy	1,703	$107.69	$183K	63
Mar 18, 2025	$WPM Wheaton Precious Metals	—	Other	Sell	9,720	—	—	63
Mar 19, 2024	$WPM Wheaton Precious Metals	—	Exercise	Sell	1,704	$59.41	$101K	63
Mar 19, 2024	$WPM Wheaton Precious Metals	—	Other	Buy	10,360	—	—	63
Mar 19, 2024	$WPM Wheaton Precious Metals	—	Comp. Grant	Buy	23,280	—	—	63
Mar 19, 2024	$WPM Wheaton Precious Metals	—	Open Market	Buy	1,857	$58.96	$109K	63
Mar 19, 2024	$WPM Wheaton Precious Metals	—	Exercise	Buy	1,857	$49.86	$93K	63
Mar 19, 2024	$WPM Wheaton Precious Metals	—	Comp. Grant	Buy	5,180	$59.79	$310K	63
Mar 19, 2024	$WPM Wheaton Precious Metals	—	Exercise	Sell	1,857	$49.86	$93K	63
Mar 19, 2024	$WPM Wheaton Precious Metals	—	Exercise	Buy	1,620	$60.00	$97K	63
Mar 19, 2024	$WPM Wheaton Precious Metals	—	Exercise	Sell	1,620	$60.00	$97K	63
Mar 19, 2024	$WPM Wheaton Precious Metals	—	Exercise	Buy	1,704	$59.41	$101K	63
Mar 17, 2023	$WPM Wheaton Precious Metals	—	Exercise	Sell	24,905	$32.93	$820K	63
Mar 17, 2023	$WPM Wheaton Precious Metals	—	Exercise	Buy	24,905	$32.93	$820K	63
Mar 17, 2023	$WPM Wheaton Precious Metals	—	Open Market	Buy	24,905	$62.30	$1.6M	63
Mar 16, 2023	$WPM Wheaton Precious Metals	—	Exercise	Buy	1,857	$49.86	$93K	63
Mar 16, 2023	$WPM Wheaton Precious Metals	—	Exercise	Sell	1,857	$49.86	$93K	63
Mar 16, 2023	$WPM Wheaton Precious Metals	—	Open Market	Buy	1,857	$58.36	$108K	63
Mar 15, 2023	$WPM Wheaton Precious Metals	—	Exercise	Sell	1,620	$60.00	$97K	63
Mar 15, 2023	$WPM Wheaton Precious Metals	—	Open Market	Buy	1,620	$59.92	$97K	63
Mar 15, 2023	$WPM Wheaton Precious Metals	—	Exercise	Buy	1,620	$60.00	$97K	63
Mar 14, 2023	$WPM Wheaton Precious Metals	—	Comp. Grant	Buy	5,110	—	—	63
Mar 14, 2023	$WPM Wheaton Precious Metals	—	Comp. Grant	Buy	23,700	—	—	63
Mar 14, 2023	$WPM Wheaton Precious Metals	—	Other	Buy	10,220	—	—	63
Nov 30, 2022	$WPM Wheaton Precious Metals	—	Exercise	Buy	23,525	$26.24	$617K	63
Nov 30, 2022	$WPM Wheaton Precious Metals	—	Exercise	Sell	23,525	$26.24	$617K	63
Nov 30, 2022	$WPM Wheaton Precious Metals	—	Open Market	Buy	23,525	$51.35	$1.2M	63
Mar 24, 2022	$WPM Wheaton Precious Metals	—	Other	Sell	16,070	—	—	63
Mar 17, 2022	$WPM Wheaton Precious Metals	—	Open Market	Buy	45,675	$61.26	$2.8M	63
Mar 17, 2022	$WPM Wheaton Precious Metals	—	Exercise	Sell	22,150	$27.51	$609K	63
Mar 17, 2022	$WPM Wheaton Precious Metals	—	Exercise	Sell	23,525	$26.24	$617K	63
Mar 17, 2022	$WPM Wheaton Precious Metals	—	Exercise	Buy	22,150	$27.51	$609K	63
Mar 17, 2022	$WPM Wheaton Precious Metals	—	Exercise	Buy	23,525	$26.24	$617K	63
Mar 16, 2022	$WPM Wheaton Precious Metals	—	Exercise	Buy	4,075	$33.47	$136K	63
Mar 16, 2022	$WPM Wheaton Precious Metals	—	Open Market	Buy	5,931	$59.13	$351K	63
Mar 16, 2022	$WPM Wheaton Precious Metals	—	Exercise	Sell	4,075	$33.47	$136K	63
Mar 16, 2022	$WPM Wheaton Precious Metals	—	Exercise	Sell	1,856	$49.86	$93K	63
Mar 16, 2022	$WPM Wheaton Precious Metals	—	Exercise	Buy	1,856	$49.86	$93K	63
Mar 15, 2022	$WPM Wheaton Precious Metals	—	Comp. Grant	Buy	4,860	—	—	63
Mar 15, 2022	$WPM Wheaton Precious Metals	—	Comp. Grant	Buy	21,110	—	—	63
Mar 15, 2022	$WPM Wheaton Precious Metals	—	Other	Buy	9,720	—	—	63
Mar 25, 2021	$WPM Wheaton Precious Metals	—	Other	Sell	19,190	—	—	63
Mar 25, 2021	$WPM Wheaton Precious Metals	—	Exercise	Sell	4,015	$32.93	$132K	63
Mar 25, 2021	$WPM Wheaton Precious Metals	—	Open Market	Buy	4,015	$46.98	$189K	63
Mar 25, 2021	$WPM Wheaton Precious Metals	—	Exercise	Buy	4,015	$32.93	$132K	63
Mar 16, 2021	$WPM Wheaton Precious Metals	—	Other	Buy	11,150	—	—	63
Mar 16, 2021	$WPM Wheaton Precious Metals	—	Comp. Grant	Buy	5,570	—	—	63
Mar 16, 2021	$WPM Wheaton Precious Metals	—	Exercise	Sell	4,075	$33.47	$136K	63
Mar 16, 2021	$WPM Wheaton Precious Metals	—	Comp. Grant	Buy	25,940	—	—	63
Mar 16, 2021	$WPM Wheaton Precious Metals	—	Open Market	Buy	4,075	$49.12	$200K	63
Mar 16, 2021	$WPM Wheaton Precious Metals	—	Exercise	Buy	4,075	$33.47	$136K	63
Dec 31, 2020	$WPM Wheaton Precious Metals	—	Plan / DRIP	Buy	67	$55.43	$4K	63
Dec 31, 2020	$WPM Wheaton Precious Metals	—	Plan / DRIP	Buy	53	$69.10	$4K	63
Dec 31, 2020	$WPM Wheaton Precious Metals	—	Plan / DRIP	Buy	97	$39.89	$4K	63
Sep 28, 2020	$GBML Global Battery Metals Ltd.	—	Comp. Grant	Buy	100,000	$0.10	$10K	—

Muted rows are plan purchases, compensation grants, or DRIP — not open-market. Confluence Scores reflect the company's current score, not the score at time of trade.