SGML — Sigma Lithium Corporation

Price Chart

12 months daily · TSXV:SGML

Insider Transactions

90-day window · 13 filings

Date	Insider	Role	Nature	Dir.	Shares	Buy Price	Return	Value
Jun 26, 2026	Freire de Paiva, Marcelo	—	Open Market	Buy	5,000	$11.70	+17.6% · 36d	$58K
Jun 25, 2026	Freire de Paiva, Marcelo	—	Open Market	Buy	5,000	$12.10	+13.7% · 37d	$60K
Jun 24, 2026	Freire de Paiva, Marcelo	—	Open Market	Buy	10,000	$12.40	+11.0% · 38d	$124K
Jun 08, 2026	Freire de Paiva, Marcelo	—	Open Market	Buy	5,000	$13.30	+3.5% · 54d	$66K
Jun 05, 2026	Freire de Paiva, Marcelo	—	Open Market	Buy	10,000	$13.40	+2.7% · 57d	$134K
Jun 05, 2026	Freire de Paiva, Marcelo	—	Open Market	Buy	5,000	$13.75	+0.1% · 57d	$69K
May 27, 2026	Freire de Paiva, Marcelo	—	Open Market	Buy	10,000	$14.50	-5.1% · 66d	$145K
May 26, 2026	Freire de Paiva, Marcelo	—	Open Market	Buy	10,000	$15.15	-9.2% · 67d	$152K
May 22, 2026	Freire de Paiva, Marcelo	—	Open Market	Buy	5,000	$15.20	-9.5% · 71d	$76K
May 18, 2026	Freire de Paiva, Marcelo	—	Open Market	Buy	10,000	$14.60	-5.8% · 75d	$146K
May 18, 2026	Freire de Paiva, Marcelo	—	Open Market	Buy	5,000	$14.64	-6.0% · 75d	$73K
May 15, 2026	Freire de Paiva, Marcelo	—	Open Market	Buy	10,000	$16.80	-18.1% · 78d	$168K
May 15, 2026	Freire de Paiva, Marcelo	—	Open Market	Buy	10,000	$16.97	-18.9% · 78d	$170K

Score uses open-market buys only · 13 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 (13B / 0S)
Dollar value		25	$1.4M (sweet spot)
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	76	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	$1.4M	Jun 26, 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 · Jul 15, 2026

Shares short

1,176,268

Net change

-119,265 (-9.2%)

History

Jul 15: 1,176,268

Jun 30: 1,295,533

Jun 15: 1,250,491

May 31: 971,925

May 15: 963,864

Apr 30: 958,065

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 (70)

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.