Ernest E. Maddock
CIK: 0001227050
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 (28 total)
- Sep 25, 2026TER
TERADYNE, INC
Other(J)Direct2 shares- - Sep 23, 2026AVT
AVNET INC
Award(A)DirectPhantom Stock Units
60 shares at avg. $110.17- - Jun 17, 2026AVT
AVNET INC
Award(A)DirectPhantom Stock Units
62 shares at avg. $90.91- - Jun 17, 2026OUST
Ouster, Inc.
Award(A)Direct4.7K shares- - Jun 12, 2026TER
TERADYNE, INC
Other(J)Direct2 shares- - May 22, 2026UCTT
Ultra Clean Holdings, Inc.
Award(A)Direct2.6K shares- - May 8, 2026TER
TERADYNE, INC
Award(A)Direct668 shares- - Mar 18, 2026AVT
AVNET INC
Award(A)DirectPhantom Stock Units
94 shares at avg. $59.96- - Mar 13, 2026TER
TERADYNE, INC
Other(J)Direct2 shares- - Jan 2, 2026AVT
AVNET INC
Award(A)DirectPhantom Stock Units
4.1K shares- - Dec 17, 2025TER
TERADYNE, INC
Other(J)Direct2 shares- - Dec 17, 2025AVT
AVNET INC
Award(A)DirectPhantom Stock Units
87 shares at avg. $48.62- - Sep 29, 2025TER
TERADYNE, INC
Other(J)Direct3 shares- - Sep 26, 2025AVT
AVNET INC
Award(A)DirectPhantom Stock Units
80 shares at avg. $51.60- - Jun 18, 2025AVT
AVNET INC
Award(A)DirectPhantom Stock Units
76 shares at avg. $51.54- - Jun 18, 2025OUST
Ouster, Inc.
Award(A)Direct1.5K shares- - Jun 18, 2025OUST
Ouster, Inc.
Award(A)Direct13.6K shares- - Jun 13, 2025TER
TERADYNE, INC
Other(J)Direct6 shares- - May 21, 2025UCTT
Ultra Clean Holdings, Inc.
Award(A)Direct8.2K shares- - May 9, 2025TER
TERADYNE, INC
Award(A)Direct3K shares- - Mar 19, 2025AVT
AVNET INC
Award(A)DirectPhantom Stock Units
78 shares at avg. $49.26- - Mar 14, 2025TER
TERADYNE, INC
Other(J)Direct3 shares- - Mar 7, 2025UCTT
Ultra Clean Holdings, Inc.
Purchase(P)Indirect10K shares at avg. $24.29$243K - Jan 2, 2025AVT
AVNET INC
Award(A)DirectPhantom Stock Units
3.4K shares- - Dec 18, 2024TER
TERADYNE, INC
Other(J)Direct2 shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 25, 2026 |  TER TERADYNE, INC | Other(J) | 2 | - | $0 | Direct |
| Sep 23, 2026 |  AVT AVNET INC | Award(A) Phantom Stock Units | 60 | $110.17 | - | Direct |
| Jun 17, 2026 | AVT AVNET INC | Award(A) Phantom Stock Units | 62 | $90.91 | - | Direct |
| Jun 17, 2026 |  OUST Ouster, Inc. | Award(A) | 4,725 | - | $0 | Direct |
| Jun 12, 2026 | TER TERADYNE, INC | Other(J) | 2 | - | $0 | Direct |
| May 22, 2026 |  UCTT Ultra Clean Holdings, Inc. | Award(A) | 2,575 | - | $0 | Direct |
| May 8, 2026 | TER TERADYNE, INC | Award(A) | 668 | - | $0 | Direct |
| Mar 18, 2026 | AVT AVNET INC | Award(A) Phantom Stock Units | 94 | $59.96 | - | Direct |
| Mar 13, 2026 | TER TERADYNE, INC | Other(J) | 2 | - | $0 | Direct |
| Jan 2, 2026 | AVT AVNET INC | Award(A) Phantom Stock Units | 4,078 | - | - | Direct |
| Dec 17, 2025 | TER TERADYNE, INC | Other(J) | 2 | - | - | Direct |
| Dec 17, 2025 | AVT AVNET INC | Award(A) Phantom Stock Units | 87 | $48.62 | - | Direct |
| Sep 29, 2025 | TER TERADYNE, INC | Other(J) | 3 | - | - | Direct |
| Sep 26, 2025 | AVT AVNET INC | Award(A) Phantom Stock Units | 80 | $51.60 | - | Direct |
| Jun 18, 2025 | AVT AVNET INC | Award(A) Phantom Stock Units | 76 | $51.54 | - | Direct |
| Jun 18, 2025 | OUST Ouster, Inc. | Award(A) | 1,500 | - | - | Direct |
| Jun 18, 2025 | OUST Ouster, Inc. | Award(A) | 13,558 | - | - | Direct |
| Jun 13, 2025 | TER TERADYNE, INC | Other(J) | 6 | - | - | Direct |
| May 21, 2025 | UCTT Ultra Clean Holdings, Inc. | Award(A) | 8,198 | - | - | Direct |
| May 9, 2025 | TER TERADYNE, INC | Award(A) | 2,971 | - | - | Direct |
| Mar 19, 2025 | AVT AVNET INC | Award(A) Phantom Stock Units | 78 | $49.26 | - | Direct |
| Mar 14, 2025 | TER TERADYNE, INC | Other(J) | 3 | - | - | Direct |
| Mar 7, 2025 | UCTT Ultra Clean Holdings, Inc. | Purchase(P) | 10,000 | $24.29 | $242,900 | Indirect |
| Jan 2, 2025 | AVT AVNET INC | Award(A) Phantom Stock Units | 3,442 | - | - | Direct |
| Dec 18, 2024 | TER TERADYNE, INC | Other(J) | 2 | - | $0 | Direct |
1-25 of 28 transactions
About MADDOCK ERNEST E
MADDOCK ERNEST E (SEC CIK 0001227050) files insider reports with the SEC as Director of TERADYNE, INC (TER), Director of AVNET INC (AVT) and Director of Ouster, Inc. (OUST). Signal8 also holds filings tied to 1 other company.
Signal8 holds 27 ownership filings by MADDOCK ERNEST E, all Form 4s, filed between Sep 26, 2024 and Sep 28, 2026. Those filings report 28 transactions, from Sep 25, 2024 to Sep 25, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on MADDOCK ERNEST E's filings is in PHOENIX, AZ.
Recent filings by MADDOCK ERNEST E
- Sep 25, 2026: Other transaction of TER shares (Form 4, code J).
- Sep 23, 2026: Grant or award of AVT derivative securities (Form 4, code A).
- Jun 17, 2026: Grant or award of AVT derivative securities (Form 4, code A).
- Jun 17, 2026: Grant or award of OUST shares (Form 4, code A).
- Jun 12, 2026: Other transaction of TER shares (Form 4, code J).
Other insiders filing for TERADYNE, INC (TER)
- MATZ MARILYN, Director
- Smith Gregory Stephen, President and CEO
- JOHNSON MERCEDES, Director
- Herweck Peter, Director
- TUFANO PAUL J, Director
- Henry Andrew Chisholm, Director