SGML — Sigma Lithium Corporation

Price Chart

12 months daily · TSXV:SGML

Insider Transactions

90-day window · 3 filings

Date	Insider	Role	Nature	Dir.	Shares	Buy Price	Return	Value
Sep 08, 2026	Freire de Paiva, Marcelo	—	Open Market	Buy	10,000	$10.78	+28.5% · 23d	$108K
Sep 08, 2026	Freire de Paiva, Marcelo	—	Open Market	Buy	10,000	$10.85	+27.6% · 23d	$108K
Sep 08, 2026	Freire de Paiva, Marcelo	—	Open Market	Buy	1,002	$10.20	+35.8% · 23d	$10K

Score uses open-market buys only · 3 open-market · 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	100% buys (3B / 0S)
Dollar value		25	$227K
Lobbying activity		15	None
Contract wins		10	None
Insider track record		10	Avg 78% credibility (strong track record)
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	80	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
Freire de Paiva, Marcelo	78 /100	73%	+41.0%	22	$227K	Sep 08, 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 →

Indigenous Consultation

no records on file

No Indigenous consultation records on file for SGML.

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

1,169,463

Net change

+17,880 (+1.6%)

History

Sep 15: 1,169,463

Aug 31: 1,151,583

Aug 15: 1,266,016

Jul 31: 1,209,176

Jul 15: 1,176,268

Jun 30: 1,295,533

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

Boardroom Connections

2 insiders also active elsewhere

Insider	Other boards	Also an insider at
Roberts, George Wesley	3	EMPR (51), ARL, SRI
Marques, Frederico	1	PTX (68)

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.