ERO — Ero Copper

Price Chart

12 months daily · TSX:ERO

Insider Transactions

90-day window · 3 filings

Date	Insider	Role	Nature	Dir.	Shares	Buy Price	Return	Value
Aug 21, 2026	Hannigan, Brett Ronald	—	Exercise	Sell	3,924	$20.73	—	$81K
Aug 21, 2026	Hannigan, Brett Ronald	—	Exercise	Buy	3,924	$20.73	+152.2% · 41d	$81K
Aug 21, 2026	Hannigan, Brett Ronald	—	Open Market	Buy	3,924	—	—	—

Score uses open-market buys only · 1 open-market · 1 plan / compensation shown but not scored · Return is unrealized, to today's price; a “· Nd” mark means the 90-day window is still open (N of 90 days) — too early to judge.

Score Breakdown

Signal Analyst · $29/mo

Component	Points	Max	Detail
Conviction (unique buyers) ✓ FREE PREVIEW	30	30	1 unique buyer (maximum conviction)
Buy/sell ratio		20	50% buys (1B / 1S)
Dollar value		25	No open-market buys
Lobbying activity		15	None
Contract wins		10	None
Insider track record		10	Avg 20% credibility (limited data)
Private placements		8	None
Confluence bonus		10	None
Cluster timing (velocity)		10	No coordinated buying cluster detected
Buy/sell reversal pattern		8	No buy/sell reversal pattern
Total	40	100

Unlock Component Detail — CAD $29/mo

Buying Insiders

Open-market · 90 days · 1 unique buyer

Insider	Credibility	Hit Rate	Avg 90d Return	Trades (eval'd)	Buy Value (90d)	Last Buy
Hannigan, Brett Ronald	20 /100	53%	+9.5%	15	—	Aug 21, 2026

Credibility score: historical hit rate × avg 90d return × sample size. View full insider leaderboard →

Lobbying Registrations

OCL active · none found

No active OCL lobbying registrations in the last 90 days. Analyst plan →

Government Contract Wins

90-day window · none found

No government contract wins in the last 90 days. Analyst plan →

Private Placements

12 months · Signal Analyst · $29/mo

Private placement history, deal size, and lock-up expiry tracking. Analyst plan →

Political Footprint

Donations · lobbying · contracts

6 insiders linked to ERO are also individual political donors — $14K across 117 donations (2008–2023).

Liberal Party of Canada · $8K Conservative Party of Canada · $3K Green Party of Canada · $2K New Democratic Party · $1K

Sources: Elections Canada (individual donations only — corporate political donations banned federally since 2007), the federal Registry of Lobbyists, and federal contract disclosures. Insiders matched to donors by name. Shown for transparency from disclosed public records — this is not a Confluence Score input, implies no causal link between donations, lobbying, or contracts, and is not a claim of wrongdoing.

Indigenous Consultation

no records on file

No Indigenous consultation records on file for ERO.

SEDAR+ Filings

official filing registry

Form55 monitors SEDAR+ filing alerts and newswire announcements for Technical Reports and material changes. Search SEDAR+ →

Short Interest

CIRO · Sep 15, 2026

Shares short

1,717,127

Net change

+53,535 (+3.2%)

History

Sep 15: 1,717,127

Aug 31: 1,663,592

Aug 15: 1,656,540

Jul 31: 1,577,891

Jul 15: 1,526,778

Jun 30: 1,444,528

Aggregate short position from CIRO's Consolidated Short Position Report (published twice monthly).

Boardroom Connections

7 insiders also active elsewhere

Insider	Other boards	Also an insider at
Eyre, Sally Louise	2	ELD (70), EQX (67)
Gosselin, Chantal	2	WPM (55), PAAS (10)
Angevine, Jill Terilee	2	AAV (43), WOLF (10)
Busby, Steven	2	MMX (33), PAAS (10)
Wright, John H	1	SILV (61)
Braaten, Lyle	1	SR
Mejia Herrera, Pablo Eliecer	1	NCX (61)

People who file as insiders here and at other TSX/TSXV companies (number in brackets = that company's Confluence Score). A well-connected insider taking a seat at a new junior can be an early tell. Matched by name across SEDI filings; funds and 10%+ holders excluded.