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CIA Siderurgica Nacional: what insiders have been doing
CIA Siderurgica Nacional belongs to the Chemicals sector. Filings by its managers are published through CVM (Brazil). The last twelve months, up to 20 October 2026, brought 4 filings signed by 3 insiders.
Only sales appear on the open market, 1 sale in all totalling €1,134, filed by 1 insider. The largest single trade was a sale of €1,134, published on 6 April 2026.
Across the 344 companies tracked on its exchange, the median is 23 filings; at 4 filings, this issuer sits below that mark. Our records for CIA Siderurgica Nacional go back to 2019, with 13 purchases and 4 sales on the open market in total.
Typically, a trade is published a median of 28 days after it takes place. The shorter that gap, the sooner other investors can see what insiders have done. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives.
This summary is built from CVM (Brazil) disclosures alone and does not predict where the share price will go.
Insider Decl.
34
Thresholds
n/a
Buy Volume
€2M
13 ops. · all time
Sell Volume
€87,766
4 ops. · all time
Who traded when
BuySaleAnonymous (Conselho Fiscal ou Vinculado)1 sale
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Financial data
· cache
Last declaration on 10 August 2026
Declarations34 total
3,000 shares@ R$5.4556.1% of flowAçõesB3CVM:33042730-6e41548bced94a65
3,000 shares@ R$4.3043.9% of flowAçõesB3CVM:33042730-7ec04d2544a9808b
900 shares@ R$7.680.7% of flowAçõesB3CVM:33042730-04abfe69626625a2
24,303,547 sharesOutrosB3CVM:33042730-ea3b759ba8be9a52
8,794,890 sharesAçõesB3CVM:33042730-cff2feef590e7be3
400,000 sharesAçõesB3CVM:33042730-a06cd4788da519b2
400,000 sharesAçõesB3CVM:33042730-13d47f3f97094077
1,000 sharesAçõesB3CVM:33042730-a11f153945199c84
135,904,451 sharesAçõesB3CVM:33042730-1b1008e58b05b013
1,000 shares@ R$14.231.6% of flowAçõesB3CVM:33042730-5ea6c3e8a2cb41fc
Canonical exit: 19 Jun 2023 (T+90)
900 sharesAçõesB3CVM:33042730-9a66d20e4e4ec999
100,000 sharesAçõesB3CVM:33042730-3766ab89b0f4d4eb
100,000 sharesAçõesB3CVM:33042730-3fed0a42e836c4df
10,000 shares@ R$47.0049.1% of flowAçõesB3CVM:33042730-2ed2386df926a617
10,000 shares@ R$46.728948.6% of flowAçõesB3CVM:33042730-17f3d1abefa9a938
Canonical exit: 26 Oct 2021 (T+90)
45,706,242 sharesAçõesB3CVM:33042730-e3a302b87393ebce
679,522,254 sharesAçõesB3CVM:33042730-899c6ec0a85d0f2d
188 shares@ R$36.157100.0% of flowAçõesB3CVM:33042730-bbf327cfc6443779
Canonical exit: 1 Jun 2021 (T+90)
24,197,630 shares@ R$0.0021OutrosB3CVM:33042730-6771c943bc9584ec
25,400,000 shares@ R$0.0017OutrosB3CVM:33042730-9840297d03d1218b
2,000 shares@ R$14.00AçõesB3CVM:33042730-e624753c071d62ef
2,000 shares@ R$15.00AçõesB3CVM:33042730-e97c14a453363f7d
450 shares@ R$11.060.1% of flowAçõesB3CVM:33042730-33b78341f20af5d9
Canonical exit: 30 Aug 2020 (T+90)
85 shares@ R$11.640.0% of flowAçõesB3CVM:33042730-f8082eee377648af
Canonical exit: 30 Aug 2020 (T+90)
1,185 shares@ R$6.780.1% of flowAçõesB3CVM:33042730-a38a290add47021c
Canonical exit: 30 Jun 2020 (T+90)
25 of 34 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).
