Freire de Paiva, Marcelo — Insider Profile

Insider Profile

Freire de Paiva, Marcelo

🔒 Follow — get an alert on any new filing

$SGML

Companies Filed At

Open-Market Buys (2yr)

$20.4M

Buy Value (2yr, open-market)

Sep 08, 2026

Most Recent Trade

Credibility
Score

73%

Hit Rate

+41.0%

Avg 90d Return

+47.4%

Median 90d Return

Evaluated Trades

+134.2%

Best Trade

-62.9%

Worst Trade

Hit rate and returns are based on 22 open-market buys with evaluable 90-day outcomes. Score reflects historical conviction, not a guarantee of future performance. This insider ranks among the highest-credibility tracked on Form55.

Cross-Company Track Record

90%

Hit Rate · 90d

+30.8%

Median Alpha · 90d

Closed Buys Evaluated

90%

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 21 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

$SGML 80

Sigma Lithium Corporation

$227K · 3 buys

Last buy Sep 08, 2026

Date	Company	Role	Nature	Dir.	Shares	Price	Value	Score
Sep 08, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	1,002	$10.20	$10K	80
Sep 08, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	10,000	$10.78	$108K	80
Sep 08, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	10,000	$10.85	$108K	80
Jun 26, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$11.70	$58K	80
Jun 25, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$12.10	$60K	80
Jun 24, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	10,000	$12.40	$124K	80
Jun 08, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$13.30	$66K	80
Jun 05, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	10,000	$13.40	$134K	80
Jun 05, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$13.75	$69K	80
May 27, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	10,000	$14.50	$145K	80
May 26, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	10,000	$15.15	$152K	80
May 22, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$15.20	$76K	80
May 18, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$14.64	$73K	80
May 18, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	10,000	$14.60	$146K	80
May 15, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	10,000	$16.80	$168K	80
May 15, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	10,000	$16.97	$170K	80
Apr 20, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	50,000	$21.25	$1.1M	80
Apr 20, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	50,000	$21.27	$1.1M	80
Apr 20, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	100,000	$20.08	$2.0M	80
Apr 20, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	100,000	$20.48	$2.0M	80
Apr 20, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	80,000	$21.00	$1.7M	80
Apr 20, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	6,550	$21.44	$140K	80
Apr 20, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	50,000	$21.25	$1.1M	80
Apr 20, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	100,000	$20.38	$2.0M	80
Apr 20, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	10,000	$20.70	$207K	80
Apr 20, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	10,000	$21.50	$215K	80
Apr 20, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	10,000	$21.31	$213K	80
Apr 20, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	10,000	$21.44	$214K	80
Mar 31, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	10,000	$12.51	$125K	80
Mar 31, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$12.40	$62K	80
Mar 31, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	10,000	$12.24	$122K	80
Mar 31, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$13.55	$68K	80
Mar 31, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$12.30	$62K	80
Mar 31, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	10,000	$12.85	$129K	80
Mar 31, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$13.60	$68K	80
Mar 30, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$11.85	$59K	80
Mar 30, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$11.57	$58K	80
Mar 20, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$9.00	$45K	80
Mar 19, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$9.85	$49K	80
Mar 18, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$10.80	$54K	80
Mar 18, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$10.51	$53K	80
Mar 13, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$11.40	$57K	80
Mar 13, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$11.40	$57K	80
Mar 13, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$10.97	$55K	80
Mar 09, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	2,000	$11.97	$24K	80
Feb 27, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	1,000	$14.32	$14K	80
Feb 26, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	1,000	$15.40	$15K	80
Feb 26, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	1,000	$14.60	$15K	80
Feb 24, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$12.88	$64K	80
Feb 20, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$12.52	$63K	80
Feb 20, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$12.52	$63K	80
Feb 17, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$12.51	$63K	80
Feb 17, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$12.51	$63K	80
Feb 13, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$13.20	$66K	80
Jan 16, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	16,300	$12.30	$200K	80
Jan 16, 2026	$SGML Sigma Lithium Corporation	—	Open Market	Buy	8,500	$11.75	$100K	80
Nov 21, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	25,000	$9.70	$242K	80
Nov 19, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	20,197	$11.35	$229K	80
Nov 19, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	50,000	$10.90	$545K	80
Nov 19, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	50,000	$10.63	$531K	80
Nov 19, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	50,000	$10.90	$545K	80
Nov 19, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	50,000	$9.95	$498K	80
Nov 19, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	50,000	$9.57	$478K	80
Nov 19, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	100,000	$9.76	$976K	80
Nov 14, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	9,000	$5.49	$49K	80
Nov 03, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	4,165	$4.80	$20K	80
Nov 03, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	14,970	$5.01	$75K	80
Nov 03, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	56,872	$5.26	$299K	80
Nov 03, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	1,000	$5.00	$5K	80
Oct 29, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	8,850	$5.73	$51K	80
Oct 29, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	8,850	$5.73	$51K	80
Sep 29, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	1,000	$7.09	$7K	80
Sep 29, 2025	$SGML Sigma Lithium Corporation	—	Exercise	Buy	26,000	—	—	80
Sep 29, 2025	$SGML Sigma Lithium Corporation	—	Exercise	Sell	26,000	—	—	80
Sep 26, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$7.01	$35K	80
Sep 25, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$7.27	$36K	80
Sep 25, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	10,000	$7.22	$72K	80
Sep 25, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	5,000	$7.28	$36K	80
Aug 27, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	10,000	$6.50	$65K	80
Aug 27, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	10,000	$6.50	$65K	80
Jul 01, 2025	$SGML Sigma Lithium Corporation	—	Expiry	Sell	15,000	—	—	80
Jun 25, 2025	$SGML Sigma Lithium Corporation	—	Open Market	Buy	2,000	$4.29	$9K	80
Oct 28, 2024	$SGML Sigma Lithium Corporation	—	Comp. Grant	Buy	41,000	—	—	80
Aug 06, 2024	$SGML Sigma Lithium Corporation	—	Exercise	Sell	50,000	—	—	80
Aug 06, 2024	$SGML Sigma Lithium Corporation	—	Exercise	Buy	50,000	—	—	80
Jul 30, 2024	$SGML Sigma Lithium Corporation	—	Ownership Chg	Sell	25,000	—	—	80
Jul 30, 2024	$SGML Sigma Lithium Corporation	—	Ownership Chg	Buy	25,000	—	—	80
Jul 29, 2024	$SGML Sigma Lithium Corporation	—	Open Market	Sell	37,300	—	—	80
Jul 10, 2024	$SGML Sigma Lithium Corporation	—	Expiry	Sell	15,000	—	—	80
Jul 08, 2024	$SGML Sigma Lithium Corporation	—	Comp. Grant	Buy	30,000	—	—	80
Jun 03, 2024	$SGML Sigma Lithium Corporation	—	Exercise	Sell	32,500	—	—	80
Jun 03, 2024	$SGML Sigma Lithium Corporation	—	Exercise	Buy	32,500	—	—	80
Dec 29, 2023	$SGML Sigma Lithium Corporation	—	Exercise	Sell	42,500	—	—	80
Dec 29, 2023	$SGML Sigma Lithium Corporation	—	Exercise	Buy	42,500	—	—	80
Dec 26, 2023	$SGML Sigma Lithium Corporation	—	Comp. Grant	Buy	25,000	—	—	80
Jun 29, 2023	$SGML Sigma Lithium Corporation	—	Comp. Grant	Buy	85,000	—	—	80
Nov 01, 2022	$SGML Sigma Lithium Corporation	—	Ownership Chg	Buy	470,560	—	—	80
Nov 01, 2022	$SGML Sigma Lithium Corporation	—	Ownership Chg	Sell	470,560	—	—	80
Feb 11, 2022	$SGML Sigma Lithium Corporation	—	Exercise	Buy	532,860	$4.40	$2.3M	80
Feb 11, 2022	$SGML Sigma Lithium Corporation	—	Exercise	Sell	532,860	$4.40	$2.3M	80
Feb 12, 2021	$SGML Sigma Lithium Corporation	—	Comp. Grant	Buy	532,860	—	—	80

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.