Teradyne, Inc.
| Security | TER / Teradyne, Inc. |
| Insider | Ernest E Maddock |
This page shows the track record and history of MADDOCK ERNEST E
insider trades in Teradyne, Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company.
It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean
it is illegal for them to make any
trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis
In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Ernest E Maddock in TER / Teradyne, Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
| Trade Date | Reported Shares |
Reported Price |
Adjusted Shares |
Adjusted Price |
Cost Basis | Days to Max |
Price at Max |
Max Profit ($) |
Max Return (%) |
|---|---|---|---|---|---|---|---|---|---|
| 2024-02-01 | 1,000 | 94.0700 | 1,000 | 94.0700 | 94,070 | 166 | 163.0000 | 68,930 | 73.28 |
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Sales - Short Term Loss Analysis
In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Ernest E Maddock in TER / Teradyne, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
| Trade Date | Reported Shares |
Reported Price |
Adjusted Shares |
Adjusted Price |
Cost Basis | Days to Min |
Price at Min |
Max Loss Avoided ($) |
Max Loss Avoided (%) |
|---|---|---|---|---|---|---|---|
| There are no known unplanned open-market trades for this insider |
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Transaction History
| File Date |
Trade Date |
Form | Insider | Ticker | Security Title | Code | Direct | Exercise Price |
Unit Price |
Units Changed |
Value Changed (1K) |
Remaining Options |
Remaining Shares |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-06-17 | 2025-06-13 | 4 | MADDOCK ERNEST E | TER | Common Stock | D | 6 | 9,590 | ||||||
| 2025-05-13 | 2025-05-09 | 4 | MADDOCK ERNEST E | TER | Common Stock | D | 2,971 | 9,584 | ||||||
| 2025-03-18 | 2025-03-14 | 4 | MADDOCK ERNEST E | TER | Common Stock | D | 3 | 6,613 | ||||||
| 2024-12-20 | 2024-12-18 | 4 | MADDOCK ERNEST E | TER | Common Stock | D | 2 | 6,610 | ||||||
| 2024-09-30 | 2024-09-27 | 4 | MADDOCK ERNEST E | TER | Common Stock | D | 2 | 6,608 | ||||||
| 2024-06-18 | 2024-06-14 | 4 | MADDOCK ERNEST E | TER | Common Stock | D | 2 | 6,606 | ||||||
| 2024-05-13 | 2024-05-09 | 4 | MADDOCK ERNEST E | TER | Common Stock | D | 1,876 | 6,604 | ||||||
| 2024-02-05 | 2024-02-01 | 4 | MADDOCK ERNEST E | TER | Common Stock | D | 94.0700 | 1,000 | 94 | 4,728 | ||||
| 2023-05-16 | 2023-05-12 | 4 | MADDOCK ERNEST E | TER | Common Stock | D | 2,530 | 3,728 | ||||||
| 2022-11-16 | 2022-11-14 | 4 | MADDOCK ERNEST E | TER | Common Stock | D | 1,198 | 1,198 |
P
Pasaran terbuka atau pembelian persendirian sekuriti bukan derivatif atau derivatif
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Pasaran terbuka atau jualan persendirian sekuriti bukan derivatif atau derivatif
A
Pemberian, penganugerahan atau pemerolehan lain sekuriti daripada syarikat (seperti opsyen)
C
Penukaran derivatif
D
Penjualan atau pemindahan sekuriti kembali kepada syarikat
F
Pembayaran harga pelaksanaan atau liabiliti cukai menggunakan sebahagian daripada sekuriti yang diterima daripada syarikat
G
Hadiah sekuriti oleh atau kepada orang dalam
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Swap ekuiti dan urus niaga lindung nilai yang serupa
M
Pelaksanaan atau penukaran sekuriti derivatif yang diterima daripada syarikat (seperti opsyen)
V
Transaksi dilaporkan secara sukarela pada Borang 4
J
Lain-lain (disertai dengan nota kaki yang menerangkan transaksi)
