GGB Gerdau (GGB) Insider Trading, Ownership & Congress Trades
Mining & Metals · Steel works, blast furnaces & rolling & finishing mills · CIK 0001073404
C-suite buying · 1
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
117
13F, latest reported quarter
What the filings say about GGB
Insiders, 180 days
-$3.1M net sold
1 buyer · 9 sellers · 0% of sales under a 10b5-1 plan
Gerdau insider trades (Form 4)
Form 4 buys and sells (codes P and S). Grants, option exercises
and conversions excluded.
Over the last 180 days, GERDAU S.A. insiders sold a net $3.1M of stock across 26 Form 4 purchases and sales, with 1 insider buying. Source: SEC Form 4 filings, as of 2026-10-28.
Foreign private issuer: most of its insiders are exempt from SEC Form 4, but some still file it; those filings are listed below, and the record may be incomplete.
Insider
Filed
Shares
Value
Since filing
Context
- First Form 4 purchase or sale (code P or S) here by this insider on our record.
- 1 other insider sold within 30 days.
- 117 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider Johannpeter Claudio sold about $422.9K of GGB on Sep 23, 2026; 1 other insider sold within 30 days and 117 funds added in the latest 13F quarter.Context
- First Form 4 purchase or sale (code P or S) here by this insider on our record.
- The trade is 62.1% of the 83,399 shares held after it.
- 1 other insider sold within 30 days.
- 117 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider Lopes Rafael Gamboa sold about $263.7K of GGB on Sep 17, 2026; 1 other insider sold within 30 days and 117 funds added in the latest 13F quarter.Context
- First Form 4 purchase or sale (code P or S) here by this insider on our record.
- The trade is 40.1% of the 247,380 shares held after it.
- 1 other insider sold within 30 days.
- 117 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider Johannpeter Andre Bier Gerdau sold about $490.0K of GGB on Aug 10, 2026; 1 other insider sold within 30 days and 117 funds added in the latest 13F quarter.Context
- 1 earlier Form 4 trade (code P or S) here by this insider (1 sale), the last on May 22, 2026.
- The trade is 11.5% of the 86,967 shares held after it.
- 1 other insider sold within 30 days.
- 117 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Insider Japur Rafael Dorneles sold about $51.0K of GGB on Aug 6, 2026; 1 other insider sold within 30 days and 117 funds added in the latest 13F quarter.Context
- 4 earlier Form 4 trades (code P or S) here by this insider (4 sales), the last on May 8, 2026.
- The trade is 100.0% of the 165,224 shares held after it.
- No other insider bought within 30 days.
- 117 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: CEO and Board Member Da Cunha Gustavo Werneck bought about $781.5K of GGB on Jun 12, 2026, the largest insider purchase at the company on our record; 117 funds added in the latest 13F quarter.26 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
Seven facts, ranked against the sector ·
Rank is not a forecast
Insiders
net -$3.1M over 180 days
-$1.2M over 90 days
below 75% of Mining & Metals
Congress
no House purchase disclosed in the last 12 months
Funds
117 funds bought in last quarter
more than 58% of Mining & Metals
Revenue
no revenue reported in any filing
Margin
no margin: no revenue reported
Buybacks
no share repurchases reported
Short interest
3.2% of the float short (float per yahoo 2026-10-27) · 2.8 days to cover · settled 2026-10-15
more than 75% of Mining & Metals
What changed in the last 30 days
Nothing new filed in the last 30 days
Watch GGB
A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.
The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+42.4%12M
Insider buyInsider sell
Indexed to 100, dividend-adjusted, not a price chart.
When a name files heavily, the largest trades are drawn first.
Who owns GGB: institutional holders (13F)
13F holdings, latest reported quarter
26,902,473 sh
$108.7M
$104.0M
19,069,112 sh
$77.0M
18,225,403 sh
$73.6M
17,490,810 sh
$70.7M
Congress trades in GGB
No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.
Activist and 5% holders (13D/13G)
No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.
GGB planned insider sales (Form 144)
No planned-sale notices
No insider has filed to sell. Watch this after a run-up.
GGB mutual fund holders (N-PORT)
Funds ranked by the share of their own portfolio in this stock (N-PORT).
OTG Latin America ETF
$714.6K position · as of 2026-06-30
2.5%
VanEck Steel ETF
$3.2M position · as of 2026-06-30
1.9%
ULTRALATIN AMERICA PROFUND
$217.6K position · as of 2026-07-31
1.2%
iShares Latin America 40 ETF
$30.5M position · as of 2026-06-30
0.8%
MFS Active International ETF
$8.5M position · as of 2026-05-31
0.8%
Invesco Zacks Multi-Asset Income ETF
$642.3K position · as of 2026-07-31
0.5%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M ·
% is the share of the fund's own portfolio
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows a net $3.1M sold by insiders over 180 days, 117 funds added last quarter. Each figure is a federal filing, dated the day it went public.
GGB financials
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
| 2025-12 | 2024-12 | 2023-12 | 2022-12 | |
|---|---|---|---|---|
| Gross profit | $8.0B | $9.2B | $11.3B | $18.8B |
| Net income | $1.4B | $4.6B | $7.5B | $11.5B |
SEC XBRL, fiscal years, as known on 2026-10-28
GGB Stock Sonar score 3/7 axes
Find similar shapesCompareGGB ranks highest on institutional and government (58th percentile) and risk and compliance (42nd), and lowest on insider conviction (36th), among Mining & Metals peers.
3 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored
GGB filings, in plain words
Are Gerdau insiders buying or selling GGB?
In the 180 days to 2026-10-28, Gerdau insiders were net sellers, a net $3.1M: $781.5K of purchases and $3.9M of sales reported on Form 4, by 1 buyer and 9 sellers.
Read the full summary
In the 180 days to 2026-10-28, Gerdau insiders were net sellers of GGB, a net $3.1M across purchases and sales reported on Form 4 by 1 buyer and 9 sellers. None of the 14 insider sales was flagged as made under a Rule 10b5-1 plan. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.
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