tiprankstipranks
TipRanksTop Financial ExpertsInsidersMarcio Bastos Fonseca

Marcio Bastos Fonseca Insider Profile

4 Followers
Marcio Bastos Fonseca, President & Chief Executive Officer at GR Silver Mining, holds 8.37M shares in GR Silver Mining (Ticker: GRSLF). Most recently, Marcio Bastos Fonseca Bought 50,000 shares of GR Silver Mining on Feb 20, 2026 for an estimated value of $20.25K.
See the Hottest Stocks Based on Insider Trading >
tipranks
Marcio Bastos Fonseca

Marcio Bastos Fonseca
GR Silver Mining (GRSLF)
President & Chief Executive Officer

Ranked #5,228 out of 106,487 Corporate Insiders

Profitable Transactions

27%
6 out of 22 Profitable Transactions

Average Return

+23.60%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$2M
100.00%
A breakdown of Marcio Bastos Fonseca's holdings
See the Top Stocks by Insiders

Insider Roles

GR Silver Mining
(GRSLF)
President & Chief Executive Officer
Roles that Marcio Bastos Fonseca holds in companies
See the Top Corporate Insiders

Most Profitable Insider Trade

Stock:
GR Silver Mining
(GRSLF)
Rating:Informative Buy
Date:Nov 05, 2019 - Nov 05, 2020
Return:+248.90%
The most profitable trade made by Marcio Bastos Fonseca
See the Latest Stocks Traded by Insiders

Marcio Bastos Fonseca's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
GRSLF
GR Silver Mining
Feb 20, 2026
President & Chief Executive Officer
Informative Buy
20.25K
$1.90M
Success Rate for
GRSLF
6 out of 22 profitable transactions on
GRSLF
27%
Average Return for
GRSLF
Average return per transaction on
GRSLF
+23.68%
Date
Transaction
Amount
No. of Shares
Price per Share
Profit
Link to Report
Aug 27, 2021
Informative Buy
C$26.01K
70,000
C$0.37
-63.20%
Sep 02, 2021
Informative Buy
C$14.28K
40,000
C$0.36
-62.90%
Aug 20, 2018
Informative Buy
C$24.30K
135,000
C$0.18
-6.60%
Aug 27, 2018
Informative Buy
C$6.90K
35,000
C$0.20
-1.20%
Mar 15, 2019
Informative Buy
C$8.81K
40,000
C$0.22
-41.00%
List of latest transactions for each holding click on a transaction to see Marcio Bastos Fonseca's performance on stock
See All Insider Trading from Today

You May Also Like

Meet our Smart Portfolio. See what top analysts say about your stocks.Get a breakdown of the different strategies based on detected insider trading activity.Find the best performing Analyst in each sector. Follow them so you never miss a recommendation.

Marcio Bastos Fonseca insider profile FAQ

What is the percentage of profitable transactions made by Marcio Bastos Fonseca?
The percentage of profitable transactions made by Marcio Bastos Fonseca is 27%.
    What is the average return per transaction made by Marcio Bastos Fonseca?
    The average return per transaction made by Marcio Bastos Fonseca is 23.60%.
      What stocks does Marcio Bastos Fonseca hold?
      Marcio Bastos Fonseca holds: GRSLF stocks.
        What was Marcio Bastos Fonseca’s latest transaction?
        Marcio Bastos Fonseca latest transaction was an Informative Buy of $20.25K.
          What was Marcio Bastos Fonseca's most profitable transaction?
          Marcio Bastos Fonseca’s most profitable transaction was an Informative Buy of GRSLF stock on November 5, 2019. The return on the trade was 248.90%.
            What is Marcio Bastos Fonseca's role in GR Silver Mining?
            Marcio Bastos Fonseca's role in GR Silver Mining is President & Chief Executive Officer.
              How can I follow the stock ratings of top corporate insiders?
              Head over to our Expert Center to see a list of the Top 100 corporate insiders and follow the corporate insiders of your choice. Visit their profiles for more details about their stock transactions and see how they perform on a stock-by-stock basis.