Winston J. Churchill, a director at Amkor Technology, Inc. ($AMKR), sold shares on the open market once in the last 365 days for a total of $221,450. His most recent sale occurred on December 15, 2025. These sales rank 8,208th among 11,678 individual insiders in our database, where the average sale amount is $8.6 million across about 6.4 transactions. Churchill made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 31, 2026 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | A | Restricted Stock Units | 18 | $0.00 | 9,893.0573 | 293,756,000 | 0.18% | 0.00% |
| Dec. 23, 2025 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | A | Restricted Stock Units | 20 | $0.00 | 9,874.9010 | 293,636,000 | 0.20% | 0.00% |
| Dec. 15, 2025 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | M | Director Stock Option (Right-to-Buy) | 5000 | $0.00 | 15,000.0000 | 293,636,000 | 25.00% | 0.00% |
| Dec. 15, 2025 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | S | Common Stock | 5000 | $44.29 | 25,888.0000 | 293,636,000 | 16.19% | 0.00% |
| Dec. 15, 2025 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | M | Common Stock | 5000 | $19.39 | 30,888.0000 | 293,636,000 | 19.31% | 0.00% |
| Sept. 23, 2025 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | A | Restricted Stock Units | 27 | $0.00 | 9,854.8917 | 293,577,000 | 0.28% | 0.00% |
| June 25, 2025 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | A | Restricted Stock Units | 39 | $0.00 | 9,827.5269 | 293,052,000 | 0.39% | 0.00% |
| May 14, 2025 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | M | Common Stock | 6017 | $0.00 | 25,888.0000 | 293,052,000 | 30.28% | 0.00% |
| May 14, 2025 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | M | Restricted Stock Units | 6017 | $0.00 | 0.0000 | 293,052,000 | 100.00% | 0.00% |
| May 15, 2025 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | A | Restricted Stock Units | 9789 | $0.00 | 9,789.0000 | 293,052,000 | 9999.99% | 0.00% |
| April 2, 2025 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | A | Restricted Stock Units | 26 | $0.00 | 6,017.0342 | 293,052,000 | 0.43% | 0.00% |
| Dec. 23, 2024 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | A | Restricted Stock Units | 109 | $0.00 | 5,991.0465 | 292,992,000 | 1.85% | 0.00% |
| Sept. 23, 2024 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | A | Restricted Stock Units | 15 | $0.00 | 5,882.2486 | 292,642,000 | 0.25% | 0.00% |
| Aug. 27, 2024 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | M | Common Stock | 20000 | $11.71 | 39,871.0000 | 292,642,000 | 100.65% | 0.01% |
| Aug. 27, 2024 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | S | Common Stock | 20000 | $32.97 | 19,871.0000 | 292,642,000 | 50.16% | 0.01% |
| Aug. 27, 2024 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | M | Director Stock Option (Right-to-Buy) | 20000 | $0.00 | 0.0000 | 292,642,000 | 100.00% | 0.01% |
| June 24, 2024 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | A | Restricted Stock Units | 12 | $0.00 | 5,867.3846 | 292,167,000 | 0.21% | 0.00% |
| May 14, 2024 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | A | Restricted Stock Units | 5855 | $0.00 | 5,855.0000 | 292,167,000 | 9999.99% | 0.00% |
| May 14, 2024 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | M | Restricted Stock Units | 8571 | $0.00 | 0.0000 | 292,167,000 | 100.00% | 0.00% |
| May 14, 2024 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | M | Common Stock | 8571 | $0.00 | 19,871.0000 | 292,167,000 | 75.85% | 0.00% |
| April 1, 2024 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | A | Restricted Stock Units | 21 | $0.00 | 8,571.0421 | 292,167,000 | 0.25% | 0.00% |
| March 7, 2024 | AMKOR TECHNOLOGY, INC. | $AMKR | CHURCHILL WINSTON J | Director | S | Common Stock | 11903 | $36.20 | 11,300.0000 | 292,167,000 | 51.30% | 0.00% |