Dirk A. Kempthorne

CIK: 0001463021

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (14.3%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)10 (71.4%)

Compensation grants

Other (G, F, J, C, D, …)2 (14.3%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (3)

FMC

FMC CORP

Director

ZEUS

OLYMPIC STEEL INC

Director

RHI

ROBERT HALF INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (14 total)

FMC
FMC CORP
Apr 16, 2026
Award(A)
Direct
202 shares-
ZEUS
OLYMPIC STEEL INC
Feb 13, 2026
Disposition(D)
Direct
5.2K shares-
FMC
FMC CORP
Jan 15, 2026
Award(A)
Direct
250 shares-
FMC
FMC CORP
Dec 31, 2025
Tax Payment(F)
Direct
73 shares at avg. $13.98$1K
RHI
ROBERT HALF INC.
Oct 28, 2025
Sale(S)
Direct
6.5K shares at avg. $28.87$188K
FMC
FMC CORP
Oct 16, 2025
Award(A)
Direct
773 shares-
FMC
FMC CORP
Jul 17, 2025
Award(A)
Direct
614 shares-
RHI
ROBERT HALF INC.
May 14, 2025
Award(A)
Direct
5.9K shares-
FMC
FMC CORP
Apr 29, 2025
Award(A)
Direct
3.4K shares-
FMC
FMC CORP
Apr 17, 2025
Award(A)
Direct
567 shares-
ZEUS
OLYMPIC STEEL INC
Mar 11, 2025
Award(A)
Direct
3.6K shares-
FMC
FMC CORP
Jan 16, 2025
Award(A)
Direct
487 shares-
RHI
ROBERT HALF INC.
Nov 26, 2024
Sale(S)
Direct
1K shares at avg. $74.35$77K
FMC
FMC CORP
Oct 17, 2024
Award(A)
Direct
356 shares-

		Type	Shares	Price		Ownership
Apr 16, 2026	FMC FMC CORP	Award(A)	202	-	$0	Direct
Feb 13, 2026	ZEUS OLYMPIC STEEL INC	Disposition(D)	5,231	-	$0	Direct
Jan 15, 2026	FMC FMC CORP	Award(A)	250	-	$0	Direct
Dec 31, 2025	FMC FMC CORP	Tax Payment(F)	73	$13.98	$1,021	Direct
Oct 28, 2025	RHI ROBERT HALF INC.	Sale(S)	6,505	$28.87	$187,812	Direct
Oct 16, 2025	FMC FMC CORP	Award(A)	773	-	-	Direct
Jul 17, 2025	FMC FMC CORP	Award(A)	614	-	-	Direct
May 14, 2025	RHI ROBERT HALF INC.	Award(A)	5,907	-	-	Direct
Apr 29, 2025	FMC FMC CORP	Award(A)	3,355	-	-	Direct
Apr 17, 2025	FMC FMC CORP	Award(A)	567	-	-	Direct
Mar 11, 2025	ZEUS OLYMPIC STEEL INC	Award(A)	3,556	-	-	Direct
Jan 16, 2025	FMC FMC CORP	Award(A)	487	-	$0	Direct
Nov 26, 2024	RHI ROBERT HALF INC.	Sale(S)	1,032	$74.35	$76,729	Direct
Oct 17, 2024	FMC FMC CORP	Award(A)	356	-	$0	Direct

1-14 of 14 transactions

About Kempthorne Dirk A

Kempthorne Dirk A (SEC CIK 0001463021) files insider reports with the SEC as Director of FMC CORP (FMC), Director of OLYMPIC STEEL INC (ZEUS) and Director of ROBERT HALF INC. (RHI).

Signal8 holds 14 ownership filings by Kempthorne Dirk A, all Form 4s, filed between Oct 21, 2024 and Apr 17, 2026. Those filings report 14 transactions, from Oct 17, 2024 to Apr 16, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Kempthorne Dirk A's filings is in PHILADELPHIA, PA.

Recent filings by Kempthorne Dirk A

Apr 16, 2026: Grant or award of FMC shares (Form 4, code A).
Feb 13, 2026: Disposition to issuer transaction of ZEUS shares (Form 4, code D).
Jan 15, 2026: Grant or award of FMC shares (Form 4, code A).
Dec 31, 2025: Tax withholding of FMC shares (Form 4, code F).
Oct 28, 2025: Open-market sale of RHI shares (Form 4, code S).

Other insiders filing for FMC CORP (FMC)

How to read Form 4 transaction codes