CLF Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$200K
1 insiders
Open-Market Sells (180d)
$42.2M
3 insiders
Net Insider Flow
-$42.0M
open market, 180d
Reporting Insiders
4
4 P/S transactions
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Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Jul 1, 2026Cronin Jane M.DirectorGrant(A)4K$9.42$40K
Jul 1, 2026Bloom Ron A.DirectorGrant(A)4K$9.42$40K
Jun 5, 2026Goncalves Celso L JrEVP, CFOSell(S)214K$13.41$2.9M
Apr 21, 2026Baldwin John TDirectorGrant(A)15K$0
Apr 21, 2026Camara EdilsonDirectorGrant(A)15K$0
Apr 21, 2026Cronin Jane M.DirectorGrant(A)15K$0
Apr 21, 2026Michael Ralph S IIIDirectorGrant(A)15K$0
Apr 21, 2026Oren BenDirectorGrant(A)15K$0
Apr 21, 2026Yocum Arlene MDirectorGrant(A)15K$0
Apr 21, 2026Bloom Ron A.DirectorGrant(A)15K$0
Apr 1, 2026Bloom Ron A.DirectorGrant(A)5K$8.27$40K
Apr 1, 2026Cronin Jane M.DirectorGrant(A)5K$8.27$37K
Apr 1, 2026Stoliar GabrielDirectorGrant(A)2K$8.27$20K
Apr 1, 2026Stoliar GabrielDirectorTax withholding(F)725$8.27$6K
Feb 18, 2026Goncalves LourencoChairman, President & CEO, DirectorGrant(A)651K$0
Feb 18, 2026Goncalves LourencoChairman, President & CEO, DirectorGrant(A)651K$0
Feb 18, 2026Smith Clifford TEVP & Chief Operating OfficerGrant(A)198K$0
Feb 18, 2026Smith Clifford TEVP & Chief Operating OfficerGrant(A)198K$0
Feb 18, 2026Koci KeithEVP & President, CC ServicesGrant(A)164K$0
Feb 18, 2026Koci KeithEVP & President, CC ServicesGrant(A)164K$0
Feb 18, 2026Goncalves Celso L JrEVP, CFOGrant(A)189K$0
Feb 18, 2026Goncalves Celso L JrEVP, CFOGrant(A)189K$0
Feb 18, 2026Graham James DEVP Chief Legal Admin & SecGrant(A)142K$0
Feb 18, 2026Graham James DEVP Chief Legal Admin & SecGrant(A)142K$0
Feb 18, 2026Floriani Kimberly ASVP, Controller & CAOGrant(A)30K$0
Feb 18, 2026Floriani Kimberly ASVP, Controller & CAOGrant(A)30K$0
Feb 17, 2026Smith Clifford TEVP & Chief Operating OfficerSell(S)200K$10.46$2.1M
Feb 13, 2026Camara EdilsonDirectorBuy(P)20K$10.13$200K
Feb 11, 2026Goncalves LourencoChairman, President & CEO, DirectorSell(S)3.0M$12.42$37.3M
Jan 5, 2026Goncalves LourencoChairman, President & CEO, DirectorTax withholding(F)84K$13.20$1.1M
Jan 5, 2026Smith Clifford TEVP & Chief Operating OfficerTax withholding(F)19K$13.20$253K
Jan 5, 2026Koci KeithEVP & President, CC ServicesTax withholding(F)16K$13.20$211K
Jan 5, 2026Goncalves Celso L JrEVP, CFOTax withholding(F)19K$13.20$248K
Jan 5, 2026Graham James DEVP Chief Legal Admin & SecTax withholding(F)14K$13.20$185K
Jan 5, 2026Fedor Terry G.EVP, Engineering & TechnologyTax withholding(F)7K$13.20$91K
Jan 5, 2026Floriani Kimberly ASVP, Controller & CAOTax withholding(F)3K$13.20$42K
Jan 2, 2026Bloom Ron A.DirectorGrant(A)3K$13.28$40K
Jan 2, 2026Cronin Jane M.DirectorGrant(A)3K$13.28$40K
Jan 2, 2026Stoliar GabrielDirectorGrant(A)2K$13.28$20K
Jan 2, 2026Stoliar GabrielDirectorTax withholding(F)452$13.28$6K
Nov 12, 2025Camara EdilsonDirectorGrant(A)6K$0
Oct 1, 2025Bloom Ron A.DirectorGrant(A)3K$12.44$40K
Oct 1, 2025Cronin Jane M.DirectorGrant(A)3K$12.44$40K
Oct 1, 2025Stoliar GabrielDirectorGrant(A)2K$12.44$20K
Oct 1, 2025Stoliar GabrielDirectorTax withholding(F)482$12.44$6K
Jul 1, 2025Cronin Jane M.DirectorGrant(A)5K$8.12$40K
Jul 1, 2025Stoliar GabrielDirectorGrant(A)2K$8.12$20K
Jul 1, 2025Stoliar GabrielDirectorTax withholding(F)739$8.12$6K
Jul 1, 2025Bloom Ron A.DirectorGrant(A)5K$8.12$40K
May 23, 2025Graham James DEVP Chief Legal Admin & SecSell(S)120K$6.85$822K
Apr 23, 2025Baldwin John TDirectorGrant(A)19K$0
Apr 23, 2025Bloom Ron A.DirectorGrant(A)19K$0
Apr 23, 2025Cronin Jane M.DirectorGrant(A)19K$0
Apr 23, 2025Green Susan MirandaDirectorGrant(A)19K$0
Apr 23, 2025Michael Ralph S IIIDirectorGrant(A)19K$0
Apr 23, 2025Oren BenDirectorGrant(A)19K$0
Apr 23, 2025Stoliar GabrielDirectorGrant(A)19K$0
Apr 23, 2025Taylor Douglas CDirectorGrant(A)19K$0
Apr 23, 2025Yocum Arlene MDirectorGrant(A)19K$0
Apr 1, 2025Bloom Ron A.DirectorGrant(A)5K$8.10$40K
Apr 1, 2025Stoliar GabrielDirectorGrant(A)2K$8.10$20K
Apr 1, 2025Stoliar GabrielDirectorTax withholding(F)741$8.10$6K
Mar 10, 2025Baldwin John TDirectorBuy(P)4K$8.70$35K
Feb 28, 2025Cronin Jane M.DirectorBuy(P)10K$10.56$106K
Feb 28, 2025Koci KeithEVP & President, CC ServicesBuy(P)10K$10.82$103K
Feb 19, 2025Goncalves LourencoChairman, President & CEO, DirectorGrant(A)407K$0
Feb 19, 2025Smith Clifford TEVP & Chief Operating OfficerGrant(A)124K$0
Feb 19, 2025Koci KeithEVP & President, CC ServicesGrant(A)102K$0
Feb 19, 2025Goncalves Celso L JrEVP, CFOGrant(A)118K$0
Feb 19, 2025Graham James DEVP Chief Legal Admin & SecGrant(A)89K$0
Feb 19, 2025Fedor Terry G.EVP, OperationsGrant(A)44K$0
Feb 19, 2025Forrester Traci LEVP, Environ & SustainabilityGrant(A)29K$0
Feb 19, 2025Floriani Kimberly ASVP, Controller & CAOGrant(A)19K$0
Jan 3, 2025Cronin Jane M.DirectorGrant(A)5K$0
Jan 3, 2025Goncalves LourencoChairman, President & CEO, DirectorTax withholding(F)67K$9.50$633K
Jan 3, 2025Smith Clifford TEVP & Chief Operating OfficerTax withholding(F)14K$9.50$136K
Jan 3, 2025Goncalves Celso L JrEVP, CFOTax withholding(F)15K$9.50$140K
Jan 3, 2025Koci KeithEVP & President, CC ServicesTax withholding(F)15K$9.50$140K
Jan 3, 2025Graham James DEVP Chief Legal Admin & SecTax withholding(F)11K$9.50$101K
Jan 3, 2025Fedor Terry G.EVP, OperationsTax withholding(F)6K$9.50$57K
Jan 3, 2025Forrester Traci LEVP, Environ & SustainabilityTax withholding(F)5K$9.50$47K
Jan 3, 2025Floriani Kimberly ASVP, Controller & CAOTax withholding(F)3K$9.50$26K
Jan 2, 2025Bloom Ron A.DirectorGrant(A)4K$9.40$40K
Jan 2, 2025Stoliar GabrielDirectorGrant(A)2K$9.40$20K
Jan 2, 2025Stoliar GabrielDirectorTax withholding(F)638$9.40$6K
Nov 20, 2024Bloom Ron A.DirectorSell(S)2K$11.77$18K
Oct 1, 2024Bloom Ron A.DirectorGrant(A)3K$12.99$40K
Oct 1, 2024Stoliar GabrielDirectorGrant(A)2K$12.99$20K
Oct 1, 2024Stoliar GabrielDirectorTax withholding(F)462$12.99$6K
Aug 1, 2024Baldwin John TDirectorBuy(P)8K$14.53$116K
Jul 1, 2024Stoliar GabrielDirectorGrant(A)1K$15.39$20K
Jul 1, 2024Stoliar GabrielDirectorTax withholding(F)390$15.39$6K
Jul 1, 2024Bloom Ron A.DirectorGrant(A)3K$15.39$40K
Jun 13, 2024Baldwin John TDirectorBuy(P)8K$14.70$110K
Jun 13, 2024Michael Ralph S IIIDirectorBuy(P)20K$14.74$295K
Jun 12, 2024Goncalves Celso L JrEVP, CFOBuy(P)7K$14.99$109K
Jun 12, 2024Oren BenDirectorBuy(P)7K$14.99$100K
Jun 11, 2024Taylor Douglas CDirectorSell(S)36K$14.87$535K
May 16, 2024Oren BenDirectorGrant(A)7K$0
May 1, 2024Bloom Ron A.DirectorBuy(P)25K$17.00$425K

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2021-01-042026-07-21. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).