InsidersTradesSigma
Follow the CIA Siderurgica Nacional share price and the full insider trade history of the company, a listed equity based in Brazil. Shares trade on the BR market, under the oversight of CVM (Brazil). Operating in the Chemicals sector, CIA Siderurgica Nacional has published 18 public disclosures. The latest transaction was filed on 10 August 2026 (Devolução de empréstimo (locador) (Crédito)). All data is openly available.
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Insider Decl.
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Buy Volume
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Sell Volume
29Σ signal
This score ranks the purchase within its own market. No market currently meets the historical allocation criteria, so signals remain watch-only. Not investment advice.
Sigma AI Analysis
Fundamental view, insider signal, bull and bear case, synthesis.
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Last declaration on 10 August 2026
Declarations18 total
3,000 shares@ R$5.45AçõesB3CVM:33042730-6e41548bced94a65
3,000 shares@ R$4.30100.0% of flowAçõesB3CVM:33042730-7ec04d2544a9808b
24,303,547 sharesOutrosB3CVM:33042730-ea3b759ba8be9a52
900 shares@ R$7.680.7% of flowAçõesB3CVM:33042730-04abfe69626625a2
8,794,890 sharesAçõesB3CVM:33042730-cff2feef590e7be3
1,000 shares@ R$14.231.6% of flowAçõesB3CVM:33042730-5ea6c3e8a2cb41fc
400,000 sharesAçõesB3CVM:33042730-a06cd4788da519b2
400,000 sharesAçõesB3CVM:33042730-13d47f3f97094077
1,000 sharesAçõesB3CVM:33042730-a11f153945199c84
135,904,451 sharesAçõesB3CVM:33042730-1b1008e58b05b013
900 sharesAçõesB3CVM:33042730-9a66d20e4e4ec999
100,000 sharesAçõesB3CVM:33042730-3766ab89b0f4d4eb
100,000 sharesAçõesB3CVM:33042730-3fed0a42e836c4df
10,000 shares@ R$46.728948.6% of flowAçõesB3CVM:33042730-17f3d1abefa9a938
10,000 shares@ R$47.0049.1% of flowAçõesB3CVM:33042730-2ed2386df926a617
45,706,242 sharesAçõesB3CVM:33042730-e3a302b87393ebce
679,522,254 sharesAçõesB3CVM:33042730-899c6ec0a85d0f2d
188 shares@ R$36.157100.0% of flowAçõesB3CVM:33042730-bbf327cfc6443779
18 of 18 declarations
About CIA Siderurgica Nacional
CIA Siderurgica Nacional is a Brazilian company specializing in the production of steel and steel products. It is listed on the São Paulo Stock Exchange (BVMF).