Diana Sue Ferguson
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
Award(A)DirectCommon Stock Equivalents (CSE)
139 shares at avg. $192.80- - Oct 1, 2026IT
GARTNER INC
Other(J)Direct139 shares- - Jul 1, 2026IT
GARTNER INC
Other(J)Direct201 shares- - Jul 1, 2026IT
GARTNER INC
Award(A)DirectCommon Stock Equivalents (CSE)
201 shares at avg. $133.76- - May 28, 2026MAT
MATTEL INC /DE/
Award(A)DirectRestricted Stock Units
11.8K shares- - May 28, 2026IT
GARTNER INC
Award(A)DirectRestricted Stock Units
1.5K shares- - May 15, 2026MAT
MATTEL INC /DE/
Exercise(M)Direct8.6K shares- - Apr 1, 2026IT
GARTNER INC
Other(J)Direct174 shares- - Apr 1, 2026IT
GARTNER INC
Award(A)DirectCommon Stock Equivalent (CSE)
174 shares at avg. $154.79- - Jan 22, 2026SBH
Sally Beauty Holdings, Inc.
Award(A)DirectRestricted Stock Units
10K shares- - Jan 2, 2026IT
GARTNER INC
Other(J)Direct108 shares- - Jan 2, 2026IT
GARTNER INC
Award(A)DirectCommon Stock Equivalent (CSE)
108 shares at avg. $237.03- - Oct 1, 2025IT
GARTNER INC
Award(A)DirectCommon Stock Equivalent (CSE)
97 shares at avg. $251.00- - Oct 1, 2025IT
GARTNER INC
Other(J)Direct97 shares- - Aug 7, 2025SBH
Sally Beauty Holdings, Inc.
Purchase(P)Direct2.5K shares at avg. $12.02$30K - Jul 1, 2025IT
GARTNER INC
Award(A)DirectCommon Stock Equivalent (CSE)
60 shares at avg. $406.70- - Jul 1, 2025IT
GARTNER INC
Other(J)Direct60 shares- - May 29, 2025IT
GARTNER INC
Award(A)DirectRestricted Stock Units
551 shares- - May 28, 2025MAT
MATTEL INC /DE/
Award(A)DirectRestricted Stock Units
9.2K shares- - Apr 1, 2025IT
GARTNER INC
Award(A)DirectCommon Stock Equivalent (CSE)
60 shares at avg. $413.72- - Apr 1, 2025IT
GARTNER INC
Other(J)Direct60 shares- - Jan 24, 2025SBH
Sally Beauty Holdings, Inc.
Award(A)DirectRestricted stock units
14.5K shares- - Jan 2, 2025IT
GARTNER INC
Award(A)DirectCommon Stock Equivalent (CSE)
54 shares at avg. $483.30- - Jan 2, 2025IT
GARTNER INC
Other(J)Direct54 shares- - Oct 1, 2024IT
GARTNER INC
Award(A)DirectCommon Stock Equivalent (CSE)
52 shares at avg. $501.23-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 1, 2026 |  IT GARTNER INC | Award(A) Common Stock Equivalents (CSE) | 139 | $192.80 | - | Direct |
| Oct 1, 2026 | IT GARTNER INC | Other(J) | 139 | - | $0 | Direct |
| Jul 1, 2026 | IT GARTNER INC | Other(J) | 201 | - | $0 | Direct |
| Jul 1, 2026 | IT GARTNER INC | Award(A) Common Stock Equivalents (CSE) | 201 | $133.76 | - | Direct |
| May 28, 2026 |  MAT MATTEL INC /DE/ | Award(A) Restricted Stock Units | 11,753 | - | - | Direct |
| May 28, 2026 | IT GARTNER INC | Award(A) Restricted Stock Units | 1,489 | - | - | Direct |
| May 15, 2026 | MAT MATTEL INC /DE/ | Exercise(M) | 8,594 | - | $0 | Direct |
| Apr 1, 2026 | IT GARTNER INC | Other(J) | 174 | - | $0 | Direct |
| Apr 1, 2026 | IT GARTNER INC | Award(A) Common Stock Equivalent (CSE) | 174 | $154.79 | - | Direct |
| Jan 22, 2026 |  SBH Sally Beauty Holdings, Inc. | Award(A) Restricted Stock Units | 9,975 | - | - | Direct |
| Jan 2, 2026 | IT GARTNER INC | Other(J) | 108 | - | $0 | Direct |
| Jan 2, 2026 | IT GARTNER INC | Award(A) Common Stock Equivalent (CSE) | 108 | $237.03 | - | Direct |
| Oct 1, 2025 | IT GARTNER INC | Award(A) Common Stock Equivalent (CSE) | 97 | $251.00 | - | Direct |
| Oct 1, 2025 | IT GARTNER INC | Other(J) | 97 | - | - | Direct |
| Aug 7, 2025 | SBH Sally Beauty Holdings, Inc. | Purchase(P) | 2,500 | $12.02 | $30,049 | Direct |
| Jul 1, 2025 | IT GARTNER INC | Award(A) Common Stock Equivalent (CSE) | 60 | $406.70 | - | Direct |
| Jul 1, 2025 | IT GARTNER INC | Other(J) | 60 | - | - | Direct |
| May 29, 2025 | IT GARTNER INC | Award(A) Restricted Stock Units | 551 | - | - | Direct |
| May 28, 2025 | MAT MATTEL INC /DE/ | Award(A) Restricted Stock Units | 9,196 | - | - | Direct |
| Apr 1, 2025 | IT GARTNER INC | Award(A) Common Stock Equivalent (CSE) | 60 | $413.72 | - | Direct |
| Apr 1, 2025 | IT GARTNER INC | Other(J) | 60 | - | - | Direct |
| Jan 24, 2025 | SBH Sally Beauty Holdings, Inc. | Award(A) Restricted stock units | 14,532 | - | - | Direct |
| Jan 2, 2025 | IT GARTNER INC | Award(A) Common Stock Equivalent (CSE) | 54 | $483.30 | - | Direct |
| Jan 2, 2025 | IT GARTNER INC | Other(J) | 54 | - | $0 | Direct |
| Oct 1, 2024 | IT GARTNER INC | Award(A) Common Stock Equivalent (CSE) | 52 | $501.23 | - | Direct |
1-25 of 26 transactions
About FERGUSON DIANA SUE
FERGUSON DIANA SUE (SEC CIK 0001275975) files insider reports with the SEC as Director of GARTNER INC (IT), Director of MATTEL INC /DE/ (MAT) and Director of Sally Beauty Holdings, Inc. (SBH).
Signal8 holds 17 ownership filings by FERGUSON DIANA SUE, all Form 4s, filed between Oct 3, 2024 and Oct 5, 2026. Those filings report 26 transactions, from Oct 1, 2024 to Oct 1, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on FERGUSON DIANA SUE's filings is in STAMFORD, CT.
Recent filings by FERGUSON DIANA SUE
- Oct 1, 2026: Grant or award of IT derivative securities (Form 4, code A).
- Oct 1, 2026: Other transaction of IT shares (Form 4, code J).
- Jul 1, 2026: Other transaction of IT shares (Form 4, code J).
- Jul 1, 2026: Grant or award of IT derivative securities (Form 4, code A).
- May 28, 2026: Grant or award of MAT derivative securities (Form 4, code A).
Other insiders filing for GARTNER INC (IT)
- Arlington Gregory L., SVP, High Tech and Invest
- Rupani Altaf, EVP, Chief Information Officer
- PAGLIUCA STEPHEN G, Director
- Rus Daniela L, Director
- Serra Eileen, Director
- DYKSTRA KAREN E, Director