SEC Form 4
Cemex S.A.B. de C.V. (CX) insider trading
In the 12 months to Oct 26, 2026, 3 CX insiders reported open-market sales of $11.6M across 3 filings; one director bought $6.9M.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $11.6M
- 3 filings · 3 insiders
- Open-market purchases
- $6.9M
- 1 filing · Lozano Rogelio Zambrano, Director
Who traded CX, and when
- Purchase
- Sale
CX daily close from Oct 27, 2025 to Oct 26, 2026, between $9.36 and $13.55, last $10.38. 3 sale and 1 purchase filings by 4 insiders, marked at their filing dates. Cobian Mauricio Doehner, EVP Corporate Affairs: sold $8.9M across 1 filing, first filed Sep 30, 2026, last Sep 30, 2026. Lozano Rogelio Zambrano, Director: bought $6.9M across 1 filing, first filed Sep 25, 2026, last Sep 25, 2026. Elizondo de la Garza Oscar Balmore, VP of Global Ent. Services: sold $2.3M across 1 filing, first filed Aug 20, 2026, last Aug 20, 2026. Herrera Jesus Vicente Gonzalez, President of Cemex USA: sold $425.6K across 1 filing, first filed Apr 29, 2026, last Apr 29, 2026.
Largest mark · tap a row for others
Cobian Mauricio Doehner · EVP Corporate Affairs
Sale $8,880,467
927,900 shares
Filed Sep 30, 2026
Close on filing date $9.51
Cobian Mauricio Doehner · EVP Corporate Affairs
EVP Corporate Affairs
$8.9M soldLozano Rogelio Zambrano · Director
Director
$6.9M boughtElizondo de la Garza Oscar Balmore · VP of Global Ent. Services
VP of Global Ent. Services
$2.3M soldHerrera Jesus Vicente Gonzalez · President of Cemex USA
President of Cemex USA
$425.6K soldOpen-market trades
4 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Cobian Mauricio Doehner | EVP Corporate Affairs | $8.9M | — | 1 | — | |
| Lozano Rogelio Zambrano | Director | — | $6.9M | 1 | — | |
| Elizondo de la Garza Oscar Balmore | VP of Global Ent. Services | $2.3M | — | 1 | — | |
| Herrera Jesus Vicente Gonzalez | President of Cemex USA | $425.6K | — | 1 | — |
| Filed | Insider | Type | Shares | Value | Held after | Source |
|---|---|---|---|---|---|---|
traded | Cobian Mauricio Doehner EVP Corporate Affairs | Sale | 927,900 ordinary shares | $8.9M | 584,930 | |
traded | Lozano Rogelio Zambrano Director | Purchase | 400,800 ordinary shares | $6.9M | 10,000,000 | |
traded | Elizondo de la Garza Oscar Balmore VP of Global Ent. Services | Sale | 212,680 ordinary shares | $2.3M | 289,490 | |
traded | Herrera Jesus Vicente Gonzalez President of Cemex USA | Sale | 35,000 | $425.6K | 846,010 |
Shares are as filed (ordinary shares or ADS); values are as converted to US$ in the filing.
GET /stocks/filings/vX/form-4?tickers=CX&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"CX"
],
"issuer_cik": "0001076378",
"owner_cik": "0002092936",
"accession_number": "0002092936-26-000006",
"form_type": "4",
"filing_date": "2026-09-30",
"period_of_report": "2026-09-30",
"issuer_name": "CEMEX SAB DE CV",
"issuer_trading_symbol": "CX",
"owner_name": "Doehner Cobian Mauricio",
"is_director": false,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "EVP Corporate Affairs",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Ordinary Participation Certificates (CEMEX.CPO)",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-09-30",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 927900,
"transaction_price_per_share": 9.5705,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 584930,
"transaction_value": 8880466.95,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "Price per American Depositary Shares (\"ADS\")."
},
{
"id": "F2",
"description": "The reported price in Column 4 is a weighted average price. These ADSs were sold in multiple transactions at prices ranging from $9.570 to $9.575 per ADS. The holder undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of ADSs sold at each separate price within the range set forth in this footnote."
},
{
"id": "F3",
"description": "The Ordinary Participation Certificates of the Issuer may be represented by ADS. Each ADS represents 10 Ordinary Participation Certificates."
}
]
},
{
"tickers": [
"CX"
],
"issuer_cik": "0001076378",
"owner_cik": "0002035244",
"accession_number": "0002035244-26-000009",
"form_type": "4",
"filing_date": "2026-09-25",
"period_of_report": "2026-09-25",
"issuer_name": "CEMEX SAB DE CV",
"issuer_trading_symbol": "CX",
"owner_name": "Zambrano Lozano Rogelio",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Ordinary Participation Certificates (CEMEX.CPO)",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-09-25",
"transaction_code": "P",
"equity_swap_involved": false,
"transaction_shares": 400800,
"transaction_price_per_share": 17.2812,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 10000000,
"transaction_value": 6926304.959999999,
"not_subject_to_section_16": false,
"direct_or_indirect": "I",
"nature_of_ownership": "Spouse",
"footnotes": [
{
"id": "F1",
"description": "Price per Ordinary Participation Certificate."
},
{
"id": "F2",
"description": "Price in Mexican Pesos (MXN)."
},
{
"id": "F3",
"description": "The reported price in Column 4 is a weighted average price. These Ordinary Participation Certificates were purchased in multiple transactions at prices ranging from $17.20 MXN to $17.34 MXN per Ordinary Participation Certificate. The holder undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Ordinary Participation Certificates purchased at each separate price within the range set forth in this footnote."
}
]
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 73 records
- Tax withholding29 records
- Grants and awards44 records
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.
Frequently asked questions
Has Cemex S.A.B. de C.V.'s CEO sold stock?
No. Dominguez Jaime Muguiro (CEO) made no open-market sales filed as CEO in the last 12 months.
How current is CX’s insider data?
These are CX Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.
What counts as an open-market buy or sell?
Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.
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Track CX insider trades with your agent
This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:
Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for CX every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
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