Barbara A. Larson

CIK: 0001904150

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)3 (25.0%)

Position reduction

Option Exercises (M)1 (8.3%)

Derivative conversions

Awards (A)8 (66.7%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

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

Companies & Roles (3)

EFX

EQUIFAX INC

Director

WORKIVA INC

Officer

SentinelOne, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (12 total)

EFX
EQUIFAX INC
Sep 30, 2026
Award(A)
Phantom Stock Units
Direct
209 shares at avg. $137.24-
EFX
EQUIFAX INC
Aug 10, 2026
Award(A)
Phantom Stock Units
Direct
160 shares at avg. $180.07-
EFX
EQUIFAX INC
Aug 10, 2026
Award(A)
Phantom Stock Units
Direct
181 shares at avg. $158.72-
EFX
EQUIFAX INC
May 7, 2026
Award(A)
Direct
1.3K shares at avg. $175.62$220K
WK
WORKIVA INC
Feb 2, 2026
Award(A)
Direct
141.1K shares at avg. $76.54$10.8M
S
SentinelOne, Inc.
Jan 6, 2026
Sale(S)
Direct
11.2K shares at avg. $14.82$166K
S
SentinelOne, Inc.
Oct 6, 2025
Sale(S)
Direct
54.6K shares at avg. $18.13$990K
EFX
EQUIFAX INC
May 8, 2025
Award(A)
Direct
812 shares-
S
SentinelOne, Inc.
Apr 15, 2025
Award(A)
Direct
129.8K shares-
S
SentinelOne, Inc.
Mar 27, 2025
Sale(S)
Direct
10.2K shares at avg. $19.77$201K
S
SentinelOne, Inc.
Mar 21, 2025
Exercise(M)
Direct
34.9K shares-
S
SentinelOne, Inc.
Sep 16, 2024
Award(A)
Direct
448.5K shares-

		Type	Shares	Price		Ownership
Sep 30, 2026	EFX EQUIFAX INC	Award(A) Phantom Stock Units	209	$137.24	-	Direct
Aug 10, 2026	EFX EQUIFAX INC	Award(A) Phantom Stock Units	160	$180.07	-	Direct
Aug 10, 2026	EFX EQUIFAX INC	Award(A) Phantom Stock Units	181	$158.72	-	Direct
May 7, 2026	EFX EQUIFAX INC	Award(A)	1,253	$175.62	$220,052	Direct
Feb 2, 2026	WK WORKIVA INC	Award(A)	141,103	$76.54	$10,800,024	Direct
Jan 6, 2026	S SentinelOne, Inc.	Sale(S)	11,173	$14.82	$165,584	Direct
Oct 6, 2025	S SentinelOne, Inc.	Sale(S)	54,583	$18.13	$989,590	Direct
May 8, 2025	EFX EQUIFAX INC	Award(A)	812	-	-	Direct
Apr 15, 2025	S SentinelOne, Inc.	Award(A)	129,764	-	-	Direct
Mar 27, 2025	S SentinelOne, Inc.	Sale(S)	10,172	$19.77	$201,100	Direct
Mar 21, 2025	S SentinelOne, Inc.	Exercise(M)	34,907	-	-	Direct
Sep 16, 2024	S SentinelOne, Inc.	Award(A)	448,488	-	$0	Direct

1-12 of 12 transactions

About Larson Barbara A

Larson Barbara A (SEC CIK 0001904150) files insider reports with the SEC as Director of EQUIFAX INC (EFX), EVP, CFO & Treasurer of WORKIVA INC (WK) and Chief Financial Officer of SentinelOne, Inc. (S).

Signal8 holds 13 ownership filings by Larson Barbara A (2 Form 3, 11 Form 4), filed between Sep 11, 2024 and Oct 2, 2026. Those filings report 12 transactions, from Sep 16, 2024 to Sep 30, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Larson Barbara A's filings is in ATLANTA, GA.

Recent filings by Larson Barbara A

Sep 30, 2026: Grant or award of EFX derivative securities (Form 4, code A).
Aug 10, 2026: Grants or awards of EFX derivative securities (2 lines, Form 4, code A).
May 7, 2026: Grant or award of EFX shares (Form 4, code A).
Feb 2, 2026: Grant or award of WK shares (Form 4, code A).
Jan 6, 2026: Open-market sale of S shares (Form 4, code S).

Other insiders filing for EQUIFAX INC (EFX)

GAMBLE JOHN W JR, EVP, CFO & COO
Schneider Harald, EVP, Chief D&A Officer
Begor Mark W, CEO
MARCUS ROBERT D, Director
TILLMAN AUDREY B, Director
Smith Melissa D, Director

How to read Form 4 transaction codes