MADDOCK ERNEST E has filed 35 insider transactions across 4 companies since February 2023.
Most recent transaction: a grant/award of 94 shares of AVNET INC ($AVT) on March 18, 2026.
Activity breakdown: 5 open-market purchases and 0 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 18, 2026 | AVNET INC | $AVT | MADDOCK ERNEST E | Director | A | Phantom Stock Units | 94 | $59.96 | 16,228.0000 | 82,787,000 | 0.58% | 0.00% |
| March 13, 2026 | TERADYNE, INC | $TER | MADDOCK ERNEST E | Director | J | Common Stock | 2 | $0.00 | 9,597.0000 | 159,719,000 | 0.02% | 0.00% |
| Jan. 2, 2026 | AVNET INC | $AVT | MADDOCK ERNEST E | Director | A | Phantom Stock Units | 4078 | $0.00 | 16,134.0000 | 82,787,000 | 33.83% | 0.00% |
| Dec. 17, 2025 | TERADYNE, INC | $TER | MADDOCK ERNEST E | Director | J | Common Stock | 2 | $0.00 | 9,595.0000 | 160,409,000 | 0.02% | 0.00% |
| Dec. 17, 2025 | AVNET INC | $AVT | MADDOCK ERNEST E | Director | A | Phantom Stock Units | 87 | $48.62 | 12,056.0000 | 84,462,000 | 0.73% | 0.00% |
| Sept. 29, 2025 | TERADYNE, INC | $TER | MADDOCK ERNEST E | Director | J | Common Stock | 3 | $0.00 | 9,593.0000 | 160,409,000 | 0.03% | 0.00% |
| Sept. 26, 2025 | AVNET INC | $AVT | MADDOCK ERNEST E | Director | A | Phantom Stock Units | 80 | $51.60 | 11,969.0000 | 87,413,000 | 0.67% | 0.00% |
| June 18, 2025 | Ouster, Inc. | $OUST | MADDOCK ERNEST E | Not found | A | Common Stock | 13558 | $0.00 | 82,677.0000 | 53,765,990 | 19.62% | 0.03% |
| June 18, 2025 | Ouster, Inc. | $OUST | MADDOCK ERNEST E | Not found | A | Common Stock | 1500 | $0.00 | 84,177.0000 | 53,765,990 | 1.81% | 0.00% |
| June 18, 2025 | AVNET INC | $AVT | MADDOCK ERNEST E | Director | A | Phantom Stock Units | 76 | $51.54 | 11,889.0000 | 86,876,000 | 0.64% | 0.00% |
| June 13, 2025 | TERADYNE, INC | $TER | MADDOCK ERNEST E | Director | J | Common Stock | 6 | $0.00 | 9,590.0000 | 163,314,000 | 0.06% | 0.00% |
| May 21, 2025 | Ultra Clean Holdings, Inc. | $UCTT | MADDOCK ERNEST E | Director | A | Common Stock | 8198 | $0.00 | 56,241.0000 | 45,300,000 | 17.06% | 0.02% |
| May 9, 2025 | TERADYNE, INC | $TER | MADDOCK ERNEST E | Director | A | Common Stock | 2971 | $0.00 | 9,584.0000 | 163,314,000 | 44.93% | 0.00% |
| March 19, 2025 | AVNET INC | $AVT | MADDOCK ERNEST E | Director | A | Phantom Stock Units | 78 | $49.26 | 11,813.0000 | 88,327,000 | 0.66% | 0.00% |
| March 14, 2025 | TERADYNE, INC | $TER | MADDOCK ERNEST E | Director | J | Common Stock | 3 | $0.00 | 6,613.0000 | 163,314,000 | 0.05% | 0.00% |
| March 7, 2025 | Ultra Clean Holdings, Inc. | $UCTT | MADDOCK ERNEST E | Director | P | Common Stock | 10000 | $24.29 | 48,043.0000 | 45,300,000 | 26.29% | 0.02% |
| Jan. 2, 2025 | AVNET INC | $AVT | MADDOCK ERNEST E | Director | A | Phantom Stock Units | 3442 | $0.00 | 11,735.0000 | 88,327,000 | 41.50% | 0.00% |
| Dec. 18, 2024 | TERADYNE, INC | $TER | MADDOCK ERNEST E | Director | J | Common Stock | 2 | $0.00 | 6,610.0000 | 164,253,000 | 0.03% | 0.00% |
| Dec. 18, 2024 | AVNET INC | $AVT | MADDOCK ERNEST E | Director | A | Phantom Stock Units | 51 | $53.32 | 8,293.0000 | 89,392,000 | 0.62% | 0.00% |
| Sept. 27, 2024 | TERADYNE, INC | $TER | MADDOCK ERNEST E | Director | J | Common Stock | 2 | $0.00 | 6,608.0000 | 164,304,000 | 0.03% | 0.00% |
| Sept. 25, 2024 | AVNET INC | $AVT | MADDOCK ERNEST E | Director | A | Phantom Stock Units | 52 | $52.73 | 8,242.0000 | 91,837,000 | 0.63% | 0.00% |
| Aug. 16, 2024 | Ouster, Inc. | $OUST | MADDOCK ERNEST E | Not found | P | Common Stock | 8000 | $7.79 | 69,119.0000 | 0 | 13.09% | 0.00% |
| June 21, 2024 | Ouster, Inc. | $OUST | MADDOCK ERNEST E | Not found | A | Common Stock | 15195 | $0.00 | 61,119.0000 | 0 | 33.09% | 0.00% |
| June 18, 2024 | AVNET INC | $AVT | MADDOCK ERNEST E | Director | A | Phantom Stock Units | 47 | $52.88 | 8,190.0000 | 91,256,000 | 0.58% | 0.00% |
| June 14, 2024 | TERADYNE, INC | $TER | MADDOCK ERNEST E | Director | J | Common Stock | 2 | $0.00 | 6,606.0000 | 164,304,000 | 0.03% | 0.00% |
| May 22, 2024 | Ultra Clean Holdings, Inc. | $UCTT | MADDOCK ERNEST E | Director | A | Common Stock | 3647 | $0.00 | 38,043.0000 | 44,700,000 | 10.60% | 0.01% |
| May 9, 2024 | TERADYNE, INC | $TER | MADDOCK ERNEST E | Director | A | Common Stock | 1876 | $0.00 | 6,604.0000 | 164,304,000 | 39.68% | 0.00% |
| March 20, 2024 | AVNET INC | $AVT | MADDOCK ERNEST E | Director | A | Phantom Stock Units | 54 | $46.62 | 8,143.0000 | 91,792,000 | 0.67% | 0.00% |
| Feb. 1, 2024 | TERADYNE, INC | $TER | MADDOCK ERNEST E | Director | P | Common Stock | 1000 | $94.07 | 4,728.0000 | 164,304,000 | 26.82% | 0.00% |
| Jan. 2, 2024 | AVNET INC | $AVT | MADDOCK ERNEST E | Director | A | Phantom Stock Units | 3642 | $0.00 | 8,089.0000 | 91,792,000 | 81.90% | 0.00% |
| Nov. 15, 2023 | Ouster, Inc. | $OUST | MADDOCK ERNEST E | Not found | P | Common Stock | 7000 | $5.29 | 45,924.0000 | 0 | 17.98% | 0.00% |
| Aug. 21, 2023 | Ouster, Inc. | $OUST | MADDOCK ERNEST E | Not found | P | Common Stock | 7000 | $6.02 | 38,924.0000 | 0 | 21.93% | 0.00% |
| May 12, 2023 | TERADYNE, INC | $TER | MADDOCK ERNEST E | Director | A | Common Stock | 2530 | $0.00 | 3,728.0000 | 169,734,000 | 211.19% | 0.00% |
| Feb. 10, 2023 | Ouster, Inc. | $OUST | MADDOCK ERNEST E | Director | A | Common Stock | 186254 | $0.00 | 319,261.0000 | 0 | 140.03% | 0.00% |
| Feb. 10, 2023 | Ouster, Inc. | $OUST | MADDOCK ERNEST E | Director | A | Common Stock | 133007 | $0.00 | 133,007.0000 | 0 | 9999.99% | 0.00% |