FERGUSON DIANA SUE
SEC insider (Form 3/4/5 filer). CIK 0001275975. Director at GARTNER INC (IT) and 2 other issuers. 26 reported Form 4/5 transactions since Sep 2024; latest on Oct 1, 2026. Located in STAMFORD, CT.
Companies FERGUSON DIANA SUE has filed insider reports for
- GARTNER INC (IT): Director
- MATTEL INC /DE/ (MAT): Director
- Sally Beauty Holdings, Inc. (SBH): Director
FERGUSON DIANA SUE
CIK: 0001275975
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (26 total)
- Oct 1, 2026IT
GARTNER INC
AwardDirectCommon Stock Equivalents (CSE)
139 shares at avg. $192.80- - Oct 1, 2026IT
GARTNER INC
OtherDirect139 shares- - Jul 1, 2026IT
GARTNER INC
OtherDirect201 shares- - Jul 1, 2026IT
GARTNER INC
AwardDirectCommon Stock Equivalents (CSE)
201 shares at avg. $133.76- - May 28, 2026MAT
MATTEL INC /DE/
AwardDirectRestricted Stock Units
11.8K shares- - May 28, 2026IT
GARTNER INC
AwardDirectRestricted Stock Units
1.5K shares- - May 15, 2026MAT
MATTEL INC /DE/
ExerciseDirect8.6K shares- - Apr 1, 2026IT
GARTNER INC
OtherDirect174 shares- - Apr 1, 2026IT
GARTNER INC
AwardDirectCommon Stock Equivalent (CSE)
174 shares at avg. $154.79- - Jan 22, 2026SBH
Sally Beauty Holdings, Inc.
AwardDirectRestricted Stock Units
10K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 1, 2026 |  IT GARTNER INC | Award Common Stock Equivalents (CSE) | 139 | $192.80 | - | Direct |
| Oct 1, 2026 | IT GARTNER INC | Other | 139 | - | $0 | Direct |
| Jul 1, 2026 | IT GARTNER INC | Other | 201 | - | $0 | Direct |
| Jul 1, 2026 | IT GARTNER INC | Award Common Stock Equivalents (CSE) | 201 | $133.76 | - | Direct |
| May 28, 2026 |  MAT MATTEL INC /DE/ | Award Restricted Stock Units | 11,753 | - | - | Direct |
| May 28, 2026 | IT GARTNER INC | Award Restricted Stock Units | 1,489 | - | - | Direct |
| May 15, 2026 | MAT MATTEL INC /DE/ | Exercise | 8,594 | - | $0 | Direct |
| Apr 1, 2026 | IT GARTNER INC | Other | 174 | - | $0 | Direct |
| Apr 1, 2026 | IT GARTNER INC | Award Common Stock Equivalent (CSE) | 174 | $154.79 | - | Direct |
| Jan 22, 2026 |  SBH Sally Beauty Holdings, Inc. | Award Restricted Stock Units | 9,975 | - | - | Direct |
1-10 of 26 transactions