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Who

Robert C. Arzbaecher

Director

Company insider

Files Form 4 as: Director, CF Industries Holdings; President and CEO, Enerpac Tool Group.

In numbers

Trades disclosed
220
Buys
7
Sells
44
Bought
$6.3M
Sold
$91.9M
Companies
2
Companies where not an officer
1
First trade
12 Jan 2006
Last trade
28 Apr 2026
Last filed
30 Apr 2026

Companies traded

Where they are an officer
EPAC Enerpac Tool GroupDirector, Officer · Machinery · last 3 Jan 20173 buys · 42 sells
Everywhere else they filed: board seats, 10% stakes, other companies
CF CF Industries HoldingsDirector · Agricultural Chemicals & Fertilizers · last 28 Apr 20264 buys · 2 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
28 Apr 2026filed 30 Apr 2026CF CF Industries HoldingsAgricultural Chemicals & FertilizersSEC FORM 4 Code A—1,390 at $0.00filing
28 Apr 2026filed 30 Apr 2026CF CF Industries HoldingsAgricultural Chemicals & FertilizersSEC FORM 4 Code A—1,390 at $0.00filing
5 Mar 2026filed 5 Mar 2026CF CF Industries HoldingsAgricultural Chemicals & FertilizersSEC FORM 4 Code G—5,000 at $0.00filing
5 Mar 2026filed 5 Mar 2026CF CF Industries HoldingsAgricultural Chemicals & FertilizersSEC FORM 4 Code G—5,000 at $0.00filing
3 Mar 2026filed 5 Mar 2026CF CF Industries HoldingsAgricultural Chemicals & FertilizersSEC FORM 4 Code G—5,000 at $0.00filing
3 Mar 2026filed 5 Mar 2026CF CF Industries HoldingsAgricultural Chemicals & FertilizersSEC FORM 4 Code G—1,600 at $0.00filing
3 Mar 2026filed 5 Mar 2026CF CF Industries HoldingsAgricultural Chemicals & FertilizersSEC FORM 4 Code G—5,000 at $0.00filing
3 Mar 2026filed 5 Mar 2026CF CF Industries HoldingsAgricultural Chemicals & FertilizersSEC FORM 4 Code G—1,600 at $0.00filing
13 May 2025filed 15 May 2025CF CF Industries HoldingsAgricultural Chemicals & FertilizersSEC FORM 4 Code G—4,500 at $0.00filing
13 May 2025filed 15 May 2025CF CF Industries HoldingsAgricultural Chemicals & FertilizersSEC FORM 4 Code G—1,955 at $0.00filing
13 May 2025filed 15 May 2025CF CF Industries HoldingsAgricultural Chemicals & FertilizersSEC FORM 4 Code G—6,720 at $0.00filing
6 May 2025filed 8 May 2025CF CF Industries HoldingsAgricultural Chemicals & FertilizersSEC FORM 4 Code A—2,074 at $0.00filing
18 Apr 2024filed 22 Apr 2024CF CF Industries HoldingsAgricultural Chemicals & FertilizersSEC FORM 4 Code A—2,010 at $0.00filing
5 Mar 2024filed 6 Mar 2024CF CF Industries HoldingsAgricultural Chemicals & FertilizersSEC FORM 4 Code G—5,000 at $0.00filing
8 Nov 2023filed 8 Nov 2023CF CF Industries HoldingsAgricultural Chemicals & FertilizersSEC FORM 4 Code G—470 at $0.00filing
8 Nov 2023filed 8 Nov 2023CF CF Industries HoldingsAgricultural Chemicals & FertilizersSEC FORM 4 Code G—1,900 at $0.00filing
3 May 2023filed 5 May 2023CF CF Industries HoldingsAgricultural Chemicals & FertilizersSEC FORM 4 Code A—2,167 at $0.00filing
11 May 2022filed 12 May 2022CF CF Industries HoldingsAgricultural Chemicals & FertilizersSEC FORM 4 Code A—1,569 at $0.00filing
24 Feb 2022filed 25 Feb 2022CF CF Industries HoldingsAgricultural Chemicals & FertilizersSEC FORM 4 Sold$785K10,000 at $78.48filing
24 Feb 2022filed 25 Feb 2022CF CF Industries HoldingsAgricultural Chemicals & FertilizersSEC FORM 4 Code G—3,000 at $0.00filing

News

CF Industries Holdings, Inc. $CF Shares Newly Acquired by Godsey & Gibb Inc.CF · dailypolitical.com · 15 Oct 2026Enerpac Tool Group Schedules Fourth Quarter Fiscal 2026 Earnings Release and Conference CallEPAC · manilatimes.net · 14 Oct 2026

0 headlines in the last 90 days name Robert C. Arzbaecher; 2 articles from the last 14 days about the 2 companies they traded most, at most three about any one of them.

Sectors

Industrials45
Materials6

Buys in green, sells in red, by the company’s sector.

Related people

Kevin James HagenVP and Global Controller · VP and Global Controller at Enerpac Tool Group, filing Form 4 there in the last year
Paul SternliebPresident and CEO · President and CEO at Enerpac Tool Group, filing Form 4 there in the last year
Benjamin James TopercerEVP - Cpto · EVP - Cpto at Enerpac Tool Group, filing Form 4 there in the last year
Eric Theodore ChackEVP, Operations · EVP, Operations at Enerpac Tool Group, filing Form 4 there in the last year
Darren Matthew KozikEVP & CFO · EVP & CFO at Enerpac Tool Group, filing Form 4 there in the last year
Gilbert Ray Cisneros, Jr.Representative, CA-31 · Also traded EPAC in the last 90 days
Danny L. CunninghamDirector · Also traded EPAC in the last 90 days
E. James Ferland Jr.Director · Also traded EPAC in the last 90 days