Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Century Aluminum Co (CENX) since 2017 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Century Aluminum Co. Table 2 shows the detailed insider transactions. This company's CIK number is 949157.
Total stock buying since 2017: $289,980.
Total stock sales since 2017: $14,596,046.
Total stock option exercises since 2017: $275,203.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 0 | $0 | 19,527 | $431,041 | 0 | $0 |
| 2024 | 0 | $0 | 83,766 | $1,489,557 | 0 | $0 |
| 2023 | 18,000 | $130,500 | 164,070 | $2,056,207 | 0 | $0 |
| 2022 | 0 | $0 | 134,619 | $1,831,387 | 0 | $0 |
| 2021 | 0 | $0 | 166,528 | $2,584,978 | 0 | $0 |
| 2020 | 3,000 | $13,230 | 461,105 | $3,954,823 | 0 | $0 |
| 2019 | 5,000 | $28,900 | 162,937 | $1,319,648 | 0 | $0 |
| 2018 | 15,000 | $117,350 | 22,398 | $419,989 | 14,398 | $94,306 |
| 2017 | 0 | $0 | 34,615 | $508,416 | 27,618 | $180,897 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-08 | 0 | $0 | 12,027 | $279,868 | 0 | $0 |
| 2025-03 | 0 | $0 | 7,500 | $151,173 | 0 | $0 |
| 2024-12 | 0 | $0 | 20,000 | $477,000 | 0 | $0 |
| 2024-06 | 0 | $0 | 60,000 | $972,600 | 0 | $0 |
| 2024-03 | 0 | $0 | 3,766 | $39,957 | 0 | $0 |
| 2023-12 | 0 | $0 | 164,070 | $2,056,207 | 0 | $0 |
| 2023-05 | 18,000 | $130,500 | 0 | $0 | 0 | $0 |
| 2022-08 | 0 | $0 | 99,568 | $929,112 | 0 | $0 |
| 2022-03 | 0 | $0 | 18,767 | $524,128 | 0 | $0 |
| 2022-02 | 0 | $0 | 16,284 | $378,147 | 0 | $0 |
| 2021-03 | 0 | $0 | 74,343 | $1,207,039 | 0 | $0 |
| 2021-02 | 0 | $0 | 92,185 | $1,377,939 | 0 | $0 |
| 2020-12 | 0 | $0 | 83,189 | $959,114 | 0 | $0 |
| 2020-08 | 0 | $0 | 122,928 | $1,228,321 | 0 | $0 |
| 2020-06 | 0 | $0 | 254,988 | $1,767,388 | 0 | $0 |
| 2020-03 | 3,000 | $13,230 | 0 | $0 | 0 | $0 |
| 2019-12 | 0 | $0 | 72,693 | $555,209 | 0 | $0 |
| 2019-11 | 0 | $0 | 65,244 | $540,439 | 0 | $0 |
| 2019-06 | 5,000 | $28,900 | 0 | $0 | 0 | $0 |
| 2019-03 | 0 | $0 | 25,000 | $224,000 | 0 | $0 |
| 2018-10 | 15,000 | $117,350 | 0 | $0 | 0 | $0 |
| 2018-06 | 0 | $0 | 14,398 | $250,381 | 14,398 | $94,306 |
| 2018-03 | 0 | $0 | 8,000 | $169,608 | 0 | $0 |
| 2017-05 | 0 | $0 | 27,618 | $410,955 | 27,618 | $180,897 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-12 | Aboud Matt (SVP, Strategy & Business Dev't) | Sale | 12,027 | 23.27 | 279,868 |
| 2025-03-20 | Hoffman Robert F (SVP, IT and CAO) | Sale | 5,000 | 20.24 | 101,199 |
| 2025-03-14 | Hoffman Robert F (SVP, IT and CAO) | Sale | 2,500 | 19.99 | 49,974 |
| 2024-12-05 | Gudlaugsson Gunnar (EVP - Global Operations) | Sale | 20,000 | 23.85 | 477,000 |
| 2024-06-26 | Gary Jesse E (President and CEO) | Sale | 60,000 | 16.21 | 972,600 |
| 2024-03-04 | Aboud Matt (SVP, Strategy & Business Dev't) | Sale | 3,766 | 10.61 | 39,957 |
| 2023-12-28 | Trpkovski Peter A (SVP, Finance and Treasurer) | Sale | 13,908 | 12.32 | 171,346 |
| 2023-12-27 | Gary Jesse E (President and CEO) | Sale | 68,162 | 12.60 | 858,841 |
| 2023-12-26 | Gary Jesse E (President and CEO) | Sale | 70,000 | 12.59 | 881,300 |
| 2023-12-21 | Hoffman Robert F (VP, IT and CAO) | Sale | 9,000 | 12.08 | 108,720 |
| 2023-12-20 | Hoffman Robert F (VP, IT and CAO) | Sale | 3,000 | 12.00 | 36,000 |
| 2023-05-11 | Aboud Matt (SVP, Strategy & Business Dev't) | Buy | 18,000 | 7.25 | 130,500 |
| 2022-08-15 | Gary Jesse E (President and CEO) | Sale | 49,568 | 8.88 | 440,312 |
| 2022-08-12 | Gary Jesse E (President and CEO) | Sale | 50,000 | 9.78 | 488,800 |
| 2022-03-21 | Dezee John (EVP and General Counsel) | Sale | 15,287 | 27.64 | 422,547 |
| 2022-03-04 | Hoffman Robert F (See Remarks) | Sale | 3,480 | 29.19 | 101,581 |
| 2022-02-28 | Harrison Michelle (Sr. VP Finance & Treasurer) | Sale | 16,284 | 23.22 | 378,147 |
| 2021-03-03 | Gudlaugsson Gunnar (EVP - Global Operations) | Sale | 5,473 | 17.74 | 97,091 |
| 2021-03-03 | Bless Michael A (President and CEO) | Sale | 15,000 | 17.62 | 264,300 |
| 2021-03-02 | Bless Michael A (President and CEO) | Sale | 35,000 | 16.40 | 574,000 |
| 2021-03-01 | Gary Jesse E (EVP, COO, GC & Secretary) | Sale | 11,370 | 14.36 | 163,273 |
| 2021-03-01 | Bless Michael A (President and CEO) | Sale | 7,500 | 14.45 | 108,375 |
| 2021-02-25 | Gary Jesse E (EVP, COO & GC) | Sale | 15,454 | 14.94 | 230,882 |
| 2021-02-25 | Bless Michael A (President and CEO) | Sale | 15,000 | 14.95 | 224,250 |
| 2021-02-24 | Harrison Michelle (Sr. VP Finance & Treasurer) | Sale | 9,231 | 15.53 | 143,357 |
| 2021-02-24 | Bless Michael A (President and CEO) | Sale | 40,000 | 15.01 | 600,200 |
| 2021-02-22 | Bless Michael A (President and CEO) | Sale | 12,500 | 14.34 | 179,250 |
| 2020-12-17 | Bless Michael A (President and CEO) | Sale | 10,000 | 11.27 | 112,700 |
| 2020-12-15 | Bless Michael A (President and CEO) | Sale | 15,000 | 10.76 | 161,400 |
| 2020-12-10 | Gary Jesse E (EVP, COO & GC) | Sale | 9,750 | 11.72 | 114,270 |
| 2020-12-10 | Bless Michael A (President and CEO) | Sale | 25,000 | 11.83 | 295,750 |
| 2020-12-09 | Hoerner John E. (EVP - N. American Operations) | Sale | 10,000 | 11.87 | 118,699 |
| 2020-12-09 | Bless Michael A (President and CEO) | Sale | 13,439 | 11.63 | 156,295 |
| 2020-08-24 | Hoerner John E. (EVP - N. American Operations) | Sale | 10,000 | 9.09 | 90,900 |
| 2020-08-20 | Hoerner John E. (EVP - N. American Operations) | Sale | 10,000 | 9.35 | 93,500 |
| 2020-08-14 | Hoerner John E. (EVP - N. American Operations) | Sale | 23,438 | 9.97 | 233,676 |
| 2020-08-13 | Bless Michael A (President and CEO) | Sale | 37,324 | 10.13 | 378,092 |
| 2020-08-11 | Hoerner John E. (EVP - N. American Operations) | Sale | 9,265 | 10.77 | 99,784 |
| 2020-08-11 | Harrison Michelle (Sr. VP Finance & Treasurer) | Sale | 11,282 | 10.25 | 115,640 |
| 2020-08-07 | Hoerner John E. (EVP - N. American Operations) | Sale | 9,900 | 10.09 | 99,891 |
| 2020-06-26 | Bless Michael A (President and CEO) | Sale | 15,000 | 6.68 | 100,200 |
| 2020-06-25 | Bless Michael A (President and CEO) | Sale | 40,000 | 6.61 | 264,400 |
| 2020-06-24 | Gary Jesse E (EVP, COO & GC) | Sale | 42,394 | 6.93 | 293,790 |
| 2020-06-24 | Bless Michael A (President and CEO) | Sale | 50,000 | 6.94 | 347,000 |
| 2020-06-23 | Gary Jesse E (EVP, COO & GC) | Sale | 15,968 | 7.27 | 116,087 |
| 2020-06-23 | Bless Michael A (President and CEO) | Sale | 46,912 | 7.23 | 339,173 |
| 2020-06-22 | Bless Michael A (President and CEO) | Sale | 44,714 | 6.86 | 306,738 |
| 2020-03-10 | Michelmore Andrew G | Buy | 3,000 | 4.41 | 13,230 |
| 2019-12-26 | Bless Michael A (President and CEO) | Sale | 25,000 | 7.55 | 188,750 |
| 2019-12-23 | Bless Michael A (President and CEO) | Sale | 25,000 | 7.56 | 189,000 |
| 2019-12-19 | Gary Jesse E (EVP, COO & GC) | Sale | 22,693 | 7.82 | 177,459 |
| 2019-11-08 | Bless Michael A (President and CEO) | Sale | 50,000 | 8.26 | 413,000 |
| 2019-11-07 | Gary Jesse E (EVP, COO & GC) | Sale | 15,244 | 8.36 | 127,439 |
| 2019-06-13 | Michelmore Andrew G | Buy | 5,000 | 5.78 | 28,900 |
| 2019-03-21 | Bless Michael A (President and CEO) | Sale | 25,000 | 8.96 | 224,000 |
| 2018-10-30 | Berntzen Jarl | Buy | 10,000 | 7.80 | 78,000 |
| 2018-10-29 | Michelmore Andrew G | Buy | 5,000 | 7.87 | 39,350 |
| 2018-06-07 | Harrison Michelle (Sr. VP Finance & Treasurer) | Sale | 14,398 | 17.39 | 250,381 |
| 2018-06-07 | Harrison Michelle (Sr. VP Finance & Treasurer) | Option Ex | 14,398 | 6.55 | 94,306 |
| 2018-03-14 | Hoerner John E. (EVP - N. American Operations) | Sale | 8,000 | 21.20 | 169,608 |
| 2017-05-25 | Bless Michael A (President and CEO) | Sale | 27,618 | 14.88 | 410,955 |
| 2017-05-25 | Bless Michael A (President and CEO) | Option Ex | 27,618 | 6.55 | 180,897 |
| 2017-02-28 | Lair Michelle (Sr. VP Finance & Treasurer) | Sale | 2,872 | 14.10 | 40,495 |
| 2017-02-27 | Lair Michelle (Sr. VP Finance & Treasurer) | Sale | 4,125 | 13.81 | 56,966 |
Insider trading activities including stock purchases, stock sales, and option exercises of CENX listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Century Aluminum Co (symbol CENX, CIK number 949157) see the Securities and Exchange Commission (SEC) website.