Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Affiliated Managers Group, Inc. (AMG) since 2015 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Affiliated Managers Group, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1004434.
Total stock buying since 2015: $11,264,686.
Total stock sales since 2015: $118,409,402.
Total stock option exercises since 2015: $202,148,571.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 0 | $0 | 0 | $0 | 336,531 | $22,128,525 |
| 2024 | 0 | $0 | 31,708 | $5,445,416 | 986,307 | $71,338,965 |
| 2023 | 3,650 | $500,816 | 0 | $0 | 44,949 | $190,672 |
| 2022 | 7,200 | $1,013,238 | 0 | $0 | 155,527 | $991,195 |
| 2021 | 20,700 | $3,319,791 | 0 | $0 | 132,269 | $7,614,625 |
| 2020 | 66,029 | $4,536,386 | 1,710 | $122,555 | 0 | $0 |
| 2019 | 18,722 | $1,713,845 | 86,253 | $7,582,731 | 35,249 | $852,687 |
| 2018 | 1,564 | $180,610 | 37,613 | $6,651,772 | 97,341 | $9,521,287 |
| 2017 | 0 | $0 | 228,692 | $39,250,162 | 618,804 | $46,095,639 |
| 2016 | 0 | $0 | 65,125 | $10,100,727 | 384,648 | $29,378,369 |
| 2015 | 0 | $0 | 223,881 | $49,256,039 | 243,741 | $14,036,607 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-09 | 0 | $0 | 0 | $0 | 122,731 | $9,109,775 |
| 2025-08 | 0 | $0 | 0 | $0 | 82,009 | $5,586,750 |
| 2025-07 | 0 | $0 | 0 | $0 | 75,000 | $5,586,750 |
| 2025-05 | 0 | $0 | 0 | $0 | 25,000 | $1,845,250 |
| 2025-03 | 0 | $0 | 0 | $0 | 31,791 | $0 |
| 2024-10 | 0 | $0 | 0 | $0 | 175,000 | $13,035,749 |
| 2024-08 | 0 | $0 | 31,708 | $5,445,416 | 761,759 | $56,337,307 |
| 2024-07 | 0 | $0 | 0 | $0 | 11,738 | $1,174,379 |
| 2024-03 | 0 | $0 | 0 | $0 | 37,535 | $791,530 |
| 2024-01 | 0 | $0 | 0 | $0 | 275 | $0 |
| 2023-06 | 0 | $0 | 0 | $0 | 1,352 | $190,672 |
| 2023-03 | 3,650 | $500,816 | 0 | $0 | 21,911 | $0 |
| 2023-01 | 0 | $0 | 0 | $0 | 21,686 | $0 |
| 2022-11 | 0 | $0 | 0 | $0 | 8,098 | $991,195 |
| 2022-08 | 0 | $0 | 0 | $0 | 79,658 | $0 |
| 2022-03 | 0 | $0 | 0 | $0 | 8,946 | $0 |
| 2022-02 | 7,200 | $1,013,238 | 0 | $0 | 0 | $0 |
| 2022-01 | 0 | $0 | 0 | $0 | 58,825 | $0 |
| 2021-12 | 6,000 | $1,024,259 | 0 | $0 | 0 | $0 |
| 2021-11 | 2,700 | $508,652 | 0 | $0 | 21,080 | $2,580,191 |
| 2021-09 | 2,000 | $316,020 | 0 | $0 | 0 | $0 |
| 2021-08 | 1,000 | $160,890 | 0 | $0 | 58,899 | $0 |
| 2021-05 | 2,500 | $401,225 | 0 | $0 | 0 | $0 |
| 2021-04 | 0 | $0 | 0 | $0 | 41,131 | $5,034,434 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-09-02 | Padiyar Kavita (General Counsel & Corp. Sec.) | Option Ex | 47,731 | 73.81 | 3,523,025 |
| 2025-09-02 | Horgen Jay C. (Chief Executive Officer) | Option Ex | 75,000 | 74.49 | 5,586,750 |
| 2025-08-15 | Franqui Annette (Director) | Option Ex | 664 | .00 | 0 |
| 2025-08-15 | Matos Rodriguez Felix V. (Director) | Option Ex | 1,102 | .00 | 0 |
| 2025-08-15 | Alvingham Karen L. (Director) | Option Ex | 1,092 | .00 | 0 |
| 2025-08-15 | Ryan David Christopher (Director) | Option Ex | 1,092 | .00 | 0 |
| 2025-08-15 | Palandjian Tracy P. (Director) | Option Ex | 1,117 | .00 | 0 |
| 2025-08-15 | Churchill Dwight D. (Director) | Option Ex | 1,398 | .00 | 0 |
| 2025-08-15 | Starr Loren M (Director) | Option Ex | 544 | .00 | 0 |
| 2025-08-12 | Horgen Jay C. (Chief Executive Officer) | Option Ex | 75,000 | 74.49 | 5,586,750 |
| 2025-07-01 | Horgen Jay C. (Chief Executive Officer) | Option Ex | 75,000 | 74.49 | 5,586,750 |
| 2025-05-09 | Padiyar Kavita (General Counsel & Corp. Sec.) | Option Ex | 25,000 | 73.81 | 1,845,250 |
| 2025-03-05 | Padiyar Kavita (General Counsel & Corp. Sec.) | Option Ex | 2,236 | .00 | 0 |
| 2025-03-05 | Matos Rodriguez Felix V. (Director) | Option Ex | 1,165 | .00 | 0 |
| 2025-03-05 | Wojcik Thomas M (Chief Operating Officer) | Option Ex | 7,287 | .00 | 0 |
| 2025-03-05 | Alvingham Karen L. (Director) | Option Ex | 1,178 | .00 | 0 |
| 2025-03-05 | Ryan David Christopher (Director) | Option Ex | 956 | .00 | 0 |
| 2025-03-05 | Churchill Dwight D. (Director) | Option Ex | 1,535 | .00 | 0 |
| 2025-03-05 | Horgen Jay C. (President and CEO) | Option Ex | 16,693 | .00 | 0 |
| 2025-03-05 | Starr Loren M (Director) | Option Ex | 741 | .00 | 0 |
| 2024-10-04 | Wojcik Thomas M (Chief Operating Officer) | Option Ex | 75,000 | 74.49 | 5,586,750 |
| 2024-10-02 | Horgen Jay C. (President and CEO) | Option Ex | 100,000 | 74.49 | 7,448,999 |
| 2024-08-20 | Horgen Jay C. (President and CEO) | Sale | 9,300 | 169.93 | 1,580,349 |
| 2024-08-19 | Horgen Jay C. (President and CEO) | Sale | 9,000 | 171.98 | 1,547,820 |
| 2024-08-19 | Horgen Jay C. (President and CEO) | Option Ex | 200,000 | 74.49 | 14,897,999 |
| 2024-08-16 | Jamal Rizwan M (Head of Affiliate Investments) | Sale | 8,622 | 172.89 | 1,490,657 |
| 2024-08-16 | Jamal Rizwan M (Head of Affiliate Investments) | Option Ex | 428,807 | 74.49 | 31,941,833 |
| 2024-08-16 | Wojcik Thomas M (Chief Operating Officer) | Sale | 4,786 | 172.71 | 826,590 |
| 2024-08-16 | Wojcik Thomas M (Chief Operating Officer) | Option Ex | 127,500 | 74.49 | 9,497,475 |
| 2024-08-15 | Matos Rodriguez Felix V. (Director) | Option Ex | 556 | .00 | 0 |
| 2024-08-15 | Alvingham Karen L. (Director) | Option Ex | 928 | .00 | 0 |
| 2024-08-15 | Ryan David Christopher (Director) | Option Ex | 545 | .00 | 0 |
| 2024-08-15 | Palandjian Tracy P. (Director) | Option Ex | 1,020 | .00 | 0 |
| 2024-08-15 | Jeffery Reuben Iii (Director) | Option Ex | 1,075 | .00 | 0 |
| 2024-08-15 | Churchill Dwight D. (Director) | Option Ex | 1,328 | .00 | 0 |
| 2024-07-31 | Alvingham Karen L. (Director) | Option Ex | 10,438 | 101.70 | 1,061,565 |
| 2024-07-31 | Palandjian Tracy P. (Director) | Option Ex | 1,300 | 86.78 | 112,814 |
| 2024-03-28 | Churchill Dwight D. (Director) | Option Ex | 9,085 | 87.12 | 791,530 |
| 2024-03-05 | Jamal Rizwan M (Head of Affiliate Investments) | Option Ex | 6,687 | .00 | 0 |
| 2024-03-05 | Matos Rodriguez Felix V. (Director) | Option Ex | 525 | .00 | 0 |
| 2024-03-05 | Wojcik Thomas M (Chief Financial Officer) | Option Ex | 5,678 | .00 | 0 |
| 2024-03-05 | Alvingham Karen L. (Director) | Option Ex | 537 | .00 | 0 |
| 2024-03-05 | Ryan David Christopher (Director) | Option Ex | 317 | .00 | 0 |
| 2024-03-05 | Palandjian Tracy P. (Director) | Option Ex | 555 | .00 | 0 |
| 2024-03-05 | Churchill Dwight D. (Director) | Option Ex | 840 | .00 | 0 |
| 2024-03-05 | Horgen Jay C. (President and CEO) | Option Ex | 12,767 | .00 | 0 |
| 2024-03-05 | Atkinson Tracy A (Director) | Option Ex | 544 | .00 | 0 |
| 2024-01-01 | Alvingham Karen L. (Director) | Option Ex | 122 | .00 | 0 |
| 2024-01-01 | Palandjian Tracy P. (Director) | Option Ex | 153 | .00 | 0 |
| 2023-06-29 | Palandjian Tracy P. (Director) | Option Ex | 1,352 | 141.03 | 190,672 |
| 2023-03-16 | Jeffery Reuben Iii (Director) | Buy | 3,650 | 137.21 | 500,816 |
| 2023-03-05 | Erickson John R (Head of Affiliate Engagement) | Option Ex | 2,711 | .00 | 0 |
| 2023-03-05 | Jamal Rizwan M (Head of Affiliate Investments) | Option Ex | 4,762 | .00 | 0 |
| 2023-03-05 | Matos Rodriguez Felix V. (Director) | Option Ex | 380 | .00 | 0 |
| 2023-03-05 | Wojcik Thomas M (Chief Financial Officer) | Option Ex | 3,773 | .00 | 0 |
| 2023-03-05 | Alvingham Karen L. (Director) | Option Ex | 392 | .00 | 0 |
| 2023-03-05 | Ryan David Christopher (Director) | Option Ex | 171 | .00 | 0 |
| 2023-03-05 | Palandjian Tracy P. (Director) | Option Ex | 410 | .00 | 0 |
| 2023-03-05 | Jeffery Reuben Iii (Director) | Option Ex | 418 | .00 | 0 |
| 2023-03-05 | Churchill Dwight D. (Director) | Option Ex | 621 | .00 | 0 |
| 2023-03-05 | Horgen Jay C. (President and CEO) | Option Ex | 7,874 | .00 | 0 |
| 2023-03-05 | Atkinson Tracy A (Director) | Option Ex | 399 | .00 | 0 |
| 2023-01-01 | Erickson John R (Head of Affiliate Engagement) | Option Ex | 3,942 | .00 | 0 |
| 2023-01-01 | Jamal Rizwan M (Head of Affiliate Investments) | Option Ex | 4,655 | .00 | 0 |
| 2023-01-01 | Wojcik Thomas M (Chief Financial Officer) | Option Ex | 2,642 | .00 | 0 |
| 2023-01-01 | Alvingham Karen L. (Director) | Option Ex | 329 | .00 | 0 |
| 2023-01-01 | Palandjian Tracy P. (Director) | Option Ex | 360 | .00 | 0 |
| 2023-01-01 | Jeffery Reuben Iii (Director) | Option Ex | 5 | .00 | 0 |
| 2023-01-01 | Churchill Dwight D. (Director) | Option Ex | 519 | .00 | 0 |
| 2023-01-01 | Horgen Jay C. (President and CEO) | Option Ex | 8,974 | .00 | 0 |
| 2023-01-01 | Atkinson Tracy A (Director) | Option Ex | 260 | .00 | 0 |
| 2022-11-15 | Billings David M. (General Counsel and Secretary) | Option Ex | 8,098 | 122.40 | 991,195 |
| 2022-08-15 | Erickson John R (Head of Affiliate Engagement) | Option Ex | 10,963 | .00 | 0 |
| 2022-08-15 | Jamal Rizwan M (Head of Affiliate Investments) | Option Ex | 12,530 | .00 | 0 |
| 2022-08-15 | Matos Rodriguez Felix V. (Director) | Option Ex | 186 | .00 | 0 |
| 2022-08-15 | Wojcik Thomas M (Chief Financial Officer) | Option Ex | 4,922 | .00 | 0 |
| 2022-08-15 | Alvingham Karen L. (Director) | Option Ex | 559 | .00 | 0 |
| 2022-08-15 | Ryan David Christopher (Director) | Option Ex | 176 | .00 | 0 |
| 2022-08-15 | Palandjian Tracy P. (Director) | Option Ex | 651 | .00 | 0 |
| 2022-08-15 | Jeffery Reuben Iii (Director) | Option Ex | 706 | .00 | 0 |
| 2022-08-15 | Churchill Dwight D. (Director) | Option Ex | 773 | .00 | 0 |
| 2022-08-15 | Horgen Jay C. (President and CEO) | Option Ex | 47,988 | .00 | 0 |
| 2022-08-15 | Atkinson Tracy A (Director) | Option Ex | 204 | .00 | 0 |
| 2022-03-05 | Erickson John R (Head of Affiliate Engagement) | Option Ex | 969 | .00 | 0 |
| 2022-03-05 | Jamal Rizwan M (Head of Affiliate Investments) | Option Ex | 1,471 | .00 | 0 |
| 2022-03-05 | Matos Rodriguez Felix V. (Director) | Option Ex | 207 | .00 | 0 |
| 2022-03-05 | Wojcik Thomas M (Chief Financial Officer) | Option Ex | 1,489 | .00 | 0 |
| 2022-03-05 | Alvingham Karen L. (Director) | Option Ex | 220 | .00 | 0 |
| 2022-03-05 | Billings David M. (General Counsel and Secretary) | Option Ex | 1,005 | .00 | 0 |
| 2022-03-05 | Palandjian Tracy P. (Director) | Option Ex | 238 | .00 | 0 |
| 2022-03-05 | Jeffery Reuben Iii (Director) | Option Ex | 245 | .00 | 0 |
| 2022-03-05 | Churchill Dwight D. (Director) | Option Ex | 364 | .00 | 0 |
| 2022-03-05 | Horgen Jay C. (President and CEO) | Option Ex | 2,512 | .00 | 0 |
| 2022-03-05 | Atkinson Tracy A (Director) | Option Ex | 226 | .00 | 0 |
| 2022-02-22 | Palandjian Tracy P. (Director) | Buy | 3,700 | 137.67 | 509,378 |
| 2022-02-15 | Jeffery Reuben Iii (Director) | Buy | 3,500 | 143.96 | 503,860 |
| 2022-01-01 | Erickson John R (Head of Affiliate Engagement) | Option Ex | 4,434 | .00 | 0 |
| 2022-01-01 | Jamal Rizwan M (Head of Affiliate Investments) | Option Ex | 5,363 | .00 | 0 |
| 2022-01-01 | Wojcik Thomas M (Chief Financial Officer) | Option Ex | 13,757 | .00 | 0 |
| 2022-01-01 | Alvingham Karen L. (Director) | Option Ex | 441 | .00 | 0 |
| 2022-01-01 | Billings David M. (General Counsel and Secretary) | Option Ex | 1,451 | .00 | 0 |
| 2022-01-01 | Palandjian Tracy P. (Director) | Option Ex | 472 | .00 | 0 |
| 2022-01-01 | Jeffery Reuben Iii (Director) | Option Ex | 5 | .00 | 0 |
| 2022-01-01 | Churchill Dwight D. (Director) | Option Ex | 631 | .00 | 0 |
| 2022-01-01 | Horgen Jay C. (President and CEO) | Option Ex | 21,514 | .00 | 0 |
| 2021-12-03 | Erickson John R (Head of Affiliate Engagement) | Buy | 3,000 | 169.95 | 509,849 |
| 2021-12-03 | Jamal Rizwan M (Head of Affiliate Investments) | Buy | 3,000 | 171.47 | 514,410 |
| 2021-11-04 | Jamal Rizwan M (Head of Affiliate Investments) | Option Ex | 19,537 | 122.40 | 2,391,328 |
| 2021-11-02 | Palandjian Tracy P. (Director) | Option Ex | 1,543 | 122.40 | 188,863 |
| 2021-11-02 | Jeffery Reuben Iii (Director) | Buy | 2,700 | 188.39 | 508,652 |
| 2021-09-14 | Horgen Jay C. (President and CEO) | Buy | 2,000 | 158.01 | 316,020 |
| 2021-08-15 | Wojcik Thomas M (Chief Financial Officer) | Option Ex | 4,922 | .00 | 0 |
| 2021-08-15 | Alvingham Karen L. (Director) | Option Ex | 382 | .00 | 0 |
| 2021-08-15 | Palandjian Tracy P. (Director) | Option Ex | 447 | .00 | 0 |
| 2021-08-15 | Jeffery Reuben Iii (Director) | Option Ex | 497 | .00 | 0 |
| 2021-08-15 | Churchill Dwight D. (Director) | Option Ex | 476 | .00 | 0 |
| 2021-08-15 | Horgen Jay C. (President and CEO) | Option Ex | 47,988 | .00 | 0 |
| 2021-08-13 | Churchill Dwight D. (Director) | Option Ex | 4,187 | .00 | 0 |
| 2021-08-02 | Churchill Dwight D. (Director) | Buy | 1,000 | 160.89 | 160,890 |
| 2021-05-04 | Jeffery Reuben Iii (Director) | Buy | 2,500 | 160.49 | 401,225 |
| 2021-04-15 | Horgen Jay C. (President and CEO) | Option Ex | 41,131 | 122.40 | 5,034,434 |
| 2021-02-10 | Jeffery Reuben Iii (Director) | Buy | 2,500 | 145.53 | 363,825 |
| 2021-02-09 | Horgen Jay C. (President and CEO) | Buy | 4,000 | 136.23 | 544,920 |
| 2021-01-01 | Wojcik Thomas M (Chief Financial Officer) | Option Ex | 2,642 | .00 | 0 |
| 2021-01-01 | Yerburgh Karen (Director) | Option Ex | 439 | .00 | 0 |
| 2021-01-01 | Earle Glenn (Director) | Option Ex | 559 | .00 | 0 |
| 2021-01-01 | Billings David M. (General Counsel and Secretary) | Option Ex | 609 | .00 | 0 |
| 2021-01-01 | Palandjian Tracy P. (Director) | Option Ex | 559 | .00 | 0 |
| 2021-01-01 | Churchill Dwight D. (Director) | Option Ex | 559 | .00 | 0 |
| 2021-01-01 | Horgen Jay C. (President and CEO) | Option Ex | 5,792 | .00 | 0 |
| 2020-09-15 | Churchill Dwight D. (Director) | Buy | 1,000 | 65.25 | 65,250 |
| 2020-09-09 | Atkinson Tracy A (Director) | Buy | 1,469 | 68.46 | 100,567 |
| 2020-09-04 | Jeffery Reuben Iii (Director) | Buy | 5,000 | 70.16 | 350,800 |
| 2020-09-03 | Churchill Dwight D. (Director) | Buy | 1,000 | 71.99 | 71,990 |
| 2020-09-01 | Horgen Jay C. (President and CEO) | Buy | 5,000 | 67.90 | 339,500 |
| 2020-06-10 | Churchill Dwight D. (Director) | Buy | 1,000 | 77.94 | 77,940 |
| 2020-05-13 | Horgen Jay C. (President and CEO) | Buy | 10,000 | 59.26 | 592,600 |
| 2020-05-01 | Jeffery Reuben Iii (Director) | Buy | 10,000 | 65.21 | 652,099 |
| 2020-03-13 | Churchill Dwight D. (Director) | Buy | 1,000 | 54.51 | 54,510 |
| 2020-03-12 | Horgen Jay C. (President and CEO) | Buy | 10,000 | 53.12 | 531,200 |
| 2020-03-03 | Cutler Hugh (EVP, Global Distribution) | Buy | 1,710 | 71.67 | 122,555 |
| 2020-03-03 | Cutler Hugh (EVP, Global Distribution) | Sale | 1,710 | 71.67 | 122,555 |
| 2020-03-02 | Wojcik Thomas M (Chief Financial Officer) | Buy | 1,350 | 75.00 | 101,250 |
| 2020-02-25 | Byrne Samuel T (Director) | Buy | 946 | 85.26 | 80,655 |
| 2020-02-24 | Byrne Samuel T (Director) | Buy | 4,054 | 85.10 | 344,995 |
| 2020-02-20 | Churchill Dwight D. (Director) | Buy | 2,500 | 87.67 | 219,175 |
| 2020-02-18 | Horgen Jay C. (President and CEO) | Buy | 10,000 | 83.13 | 831,300 |
| 2019-12-02 | Zeitlin Jide James (Director) | Sale | 2,665 | 83.94 | 223,700 |
| 2019-12-02 | Zeitlin Jide James (Director) | Option Ex | 3,411 | 65.51 | 223,454 |
| 2019-11-21 | Ryan Patrick T (Director) | Sale | 3,411 | 84.38 | 287,820 |
| 2019-11-21 | Ryan Patrick T (Director) | Option Ex | 3,411 | 65.51 | 223,454 |
| 2019-09-13 | Byrne Samuel T (Director) | Option Ex | 3,411 | 65.51 | 223,454 |
| 2019-09-12 | Byrne Samuel T (Director) | Buy | 6,589 | 88.77 | 584,905 |
| 2019-08-30 | Dalton Nathaniel (Director) | Sale | 23,000 | 76.86 | 1,767,780 |
| 2019-06-28 | Zeitlin Jide James | Sale | 54,350 | 92.22 | 5,012,157 |
| 2019-05-13 | Cutler Hugh (EVP, Global Distribution) | Buy | 1,133 | 91.66 | 103,850 |
| 2019-05-13 | Cutler Hugh (EVP, Global Distribution) | Sale | 1,133 | 91.66 | 103,850 |
| 2019-05-10 | Horgen Jay C. (President and CFO) | Buy | 11,000 | 93.19 | 1,025,090 |
| 2019-03-01 | Palandjian Tracy P. | Sale | 1,694 | 110.64 | 187,424 |
| 2019-03-01 | Palandjian Tracy P. | Option Ex | 1,694 | 107.63 | 182,325 |
| 2019-01-01 | Billings David M. (General Counsel and Secretary) | Option Ex | 632 | .00 | 0 |
| 2019-01-01 | Horgen Jay C. (CFO and Treasurer) | Option Ex | 5,499 | .00 | 0 |
| 2019-01-01 | Dalton Nathaniel (President and CEO) | Option Ex | 6,447 | .00 | 0 |
| 2019-01-01 | Healey Sean M (Executive Chairman) | Option Ex | 10,744 | .00 | 0 |
| 2018-12-12 | Zeitlin Jide James | Option Ex | 2,034 | 90.22 | 183,507 |
| 2018-11-21 | Churchill Dwight D. | Sale | 2,034 | 110.53 | 224,818 |
| 2018-11-21 | Churchill Dwight D. | Option Ex | 2,034 | 90.22 | 183,507 |
| 2018-11-16 | Ryan Patrick T | Sale | 2,034 | 112.78 | 229,394 |
| 2018-11-16 | Ryan Patrick T | Option Ex | 2,034 | 90.22 | 183,507 |
| 2018-10-31 | Cutler Hugh (EVP, Global Distribution) | Buy | 1,564 | 115.48 | 180,610 |
| 2018-10-31 | Cutler Hugh (EVP, Global Distribution) | Sale | 1,564 | 115.48 | 180,610 |
| 2018-08-21 | Byrne Samuel T | Option Ex | 2,034 | 90.22 | 183,507 |
| 2018-07-19 | Zeitlin Jide James | Option Ex | 7,606 | 92.89 | 706,559 |
| 2018-07-09 | Healey Sean M (Executive Chairman) | Option Ex | 70,031 | 99.66 | 6,979,289 |
| 2018-06-06 | Churchill Dwight D. | Sale | 1,981 | 166.28 | 329,400 |
| 2018-06-06 | Churchill Dwight D. | Option Ex | 1,981 | 99.66 | 197,426 |
| 2018-05-04 | Ryan Patrick T | Option Ex | 7,606 | 92.89 | 706,559 |
| 2018-04-03 | Byrne Samuel T | Option Ex | 1,981 | 99.66 | 197,426 |
| 2018-03-08 | Horgen Jay C. (CFO and Treasurer) | Sale | 15,000 | 190.05 | 2,850,750 |
| 2018-03-07 | Horgen Jay C. (CFO and Treasurer) | Sale | 15,000 | 189.12 | 2,836,800 |
| 2017-12-31 | Billings David M. (General Counsel and Secretary) | Option Ex | 632 | .00 | 0 |
| 2017-12-31 | Horgen Jay C. (CFO and Treasurer) | Option Ex | 25,793 | .00 | 0 |
| 2017-12-31 | Dalton Nathaniel (President and COO) | Option Ex | 16,521 | .00 | 0 |
| 2017-12-31 | Healey Sean M (CEO and Chairman) | Option Ex | 27,935 | .00 | 0 |
| 2017-12-14 | Zeitlin Jide James | Option Ex | 7,705 | 106.08 | 817,384 |
| 2017-12-05 | Macewen Peter W (Chief Administrative Officer) | Sale | 10,000 | 197.67 | 1,976,699 |
| 2017-12-05 | Macewen Peter W (Chief Administrative Officer) | Option Ex | 10,000 | 99.66 | 996,600 |
| 2017-11-17 | Healey Sean M (CEO and Chairman) | Sale | 69,800 | 185.48 | 12,946,504 |
| 2017-11-16 | Healey Sean M (CEO and Chairman) | Option Ex | 78,966 | 99.66 | 7,869,751 |
| 2017-11-09 | Ryan Patrick T | Sale | 7,705 | 185.27 | 1,427,505 |
| 2017-11-09 | Ryan Patrick T | Option Ex | 7,705 | 106.08 | 817,384 |
| 2017-11-03 | Churchill Dwight D. | Sale | 2,080 | 184.28 | 383,302 |
| 2017-11-03 | Churchill Dwight D. | Option Ex | 2,080 | 95.82 | 199,305 |
| 2017-06-15 | Zeitlin Jide James | Option Ex | 8,902 | 90.95 | 809,681 |
| 2017-06-13 | Healey Sean M (CEO and Chairman) | Sale | 56,928 | 161.07 | 9,169,392 |
| 2017-06-12 | Healey Sean M (CEO and Chairman) | Option Ex | 56,928 | 95.82 | 5,454,840 |
| 2017-06-05 | Churchill Dwight D. | Sale | 3,277 | 163.30 | 535,134 |
| 2017-06-05 | Churchill Dwight D. | Option Ex | 3,277 | 62.91 | 206,156 |
| 2017-05-19 | Ryan Patrick T | Sale | 8,902 | 152.89 | 1,361,026 |
| 2017-05-19 | Ryan Patrick T | Option Ex | 8,902 | 90.95 | 809,681 |
| 2017-05-17 | Dalton Nathaniel (President and COO) | Option Ex | 90,000 | 99.66 | 8,969,400 |
| 2017-05-03 | Byrne Samuel T | Option Ex | 2,900 | 79.36 | 230,158 |
| 2017-02-09 | Horgen Jay C. (CFO and Treasurer) | Sale | 70,000 | 163.58 | 11,450,600 |
| 2017-02-09 | Horgen Jay C. (CFO and Treasurer) | Option Ex | 120,000 | 97.74 | 11,728,800 |
| 2017-02-09 | Dalton Nathaniel (President and COO) | Option Ex | 75,000 | 95.82 | 7,186,499 |
| 2017-01-02 | Horgen Jay C. (CFO and Treasurer) | Option Ex | 6,207 | .00 | 0 |
| 2017-01-02 | Dalton Nathaniel (President and COO) | Option Ex | 10,075 | .00 | 0 |
| 2017-01-02 | Healey Sean M (CEO and Chairman) | Option Ex | 17,191 | .00 | 0 |
| 2017-01-01 | Billings David M. (EVP, General Counsel & Sec.) | Option Ex | 632 | .00 | 0 |
| 2017-01-01 | Horgen Jay C. (CFO and Treasurer) | Option Ex | 9,896 | .00 | 0 |
| 2017-01-01 | Dalton Nathaniel (President and COO) | Option Ex | 12,017 | .00 | 0 |
| 2017-01-01 | Healey Sean M (CEO and Chairman) | Option Ex | 19,540 | .00 | 0 |
| 2016-12-15 | Healey Sean M (CEO and Chairman) | Sale | 35,568 | 153.27 | 5,451,507 |
| 2016-12-15 | Healey Sean M (CEO and Chairman) | Option Ex | 35,568 | 95.82 | 3,408,125 |
| 2016-12-14 | Healey Sean M (CEO and Chairman) | Sale | 26,432 | 156.95 | 4,148,502 |
| 2016-12-14 | Healey Sean M (CEO and Chairman) | Option Ex | 26,432 | 95.82 | 2,532,714 |
| 2016-12-12 | Churchill Dwight D. | Sale | 3,125 | 160.23 | 500,718 |
| 2016-12-12 | Churchill Dwight D. | Option Ex | 3,125 | 71.13 | 222,281 |
| 2016-12-06 | Healey Sean M (CEO and Chairman) | Option Ex | 93,216 | 95.82 | 8,931,957 |
| 2016-11-18 | Dalton Nathaniel (President and COO) | Option Ex | 75,000 | 62.91 | 4,718,250 |
| 2016-07-20 | Zeitlin Jide James | Option Ex | 14,843 | 83.88 | 1,245,030 |
| 2016-03-10 | Healey Sean M (CEO and Chairman) | Option Ex | 4,203 | 74.87 | 314,678 |
| 2016-02-22 | Dalton Nathaniel (President and COO) | Option Ex | 1,611 | 62.04 | 99,946 |
| 2016-01-21 | Zeitlin Jide James | Option Ex | 22,500 | 86.70 | 1,950,750 |
| 2016-01-01 | Billings David M. (EVP, General Counsel & Sec.) | Option Ex | 632 | .00 | 0 |
| 2016-01-01 | Dyson Andrew (EVP(AMG Ltd.), Global Distrib.) | Option Ex | 3,924 | .00 | 0 |
| 2016-01-01 | Horgen Jay C. (CFO and Treasurer) | Option Ex | 9,896 | .00 | 0 |
| 2016-01-01 | Dalton Nathaniel (President and COO) | Option Ex | 12,016 | .00 | 0 |
| 2016-01-01 | Healey Sean M (CEO and Chairman) | Option Ex | 19,538 | .00 | 0 |
| 2015-10-28 | Zeitlin Jide James | Option Ex | 5,625 | 48.38 | 272,137 |
| 2015-06-08 | Dalton Nathaniel (President and COO) | Sale | 18,361 | 221.01 | 4,057,964 |
| 2015-06-08 | Dalton Nathaniel (President and COO) | Option Ex | 18,361 | 65.51 | 1,202,829 |
| 2015-06-05 | Dalton Nathaniel (President and COO) | Sale | 56,639 | 222.70 | 12,613,505 |
| 2015-06-05 | Dalton Nathaniel (President and COO) | Option Ex | 56,639 | 65.51 | 3,710,420 |
| 2015-05-04 | Nutt William J | Sale | 5,625 | 227.25 | 1,278,281 |
| 2015-05-04 | Nutt William J | Option Ex | 5,625 | 48.38 | 272,137 |
| 2015-05-01 | Horgen Jay C. (CFO and Treasurer) | Sale | 22,411 | 226.97 | 5,086,624 |
| 2015-05-01 | Horgen Jay C. (CFO and Treasurer) | Option Ex | 16,611 | 62.48 | 1,037,772 |
| 2015-02-24 | Dalton Nathaniel (President and COO) | Sale | 24,292 | 218.66 | 5,311,688 |
| 2015-02-24 | Dalton Nathaniel (President and COO) | Option Ex | 24,292 | 62.04 | 1,507,075 |
| 2015-02-23 | Dalton Nathaniel (President and COO) | Sale | 45,875 | 215.72 | 9,896,155 |
| 2015-02-23 | Dalton Nathaniel (President and COO) | Option Ex | 45,875 | 62.04 | 2,846,085 |
| 2015-02-18 | Healey Sean M (CEO and Chairman) | Sale | 50,678 | 217.29 | 11,011,822 |
| 2015-02-18 | Healey Sean M (CEO and Chairman) | Option Ex | 50,678 | 62.91 | 3,188,152 |
| 2015-01-01 | Dyson Andrew (EVP(AMG Ltd.), Global Distrib.) | Option Ex | 1,271 | .00 | 0 |
| 2015-01-01 | Horgen Jay C. (CFO and Treasurer) | Option Ex | 4,398 | .00 | 0 |
| 2015-01-01 | Dalton Nathaniel (President and COO) | Option Ex | 5,571 | .00 | 0 |
| 2015-01-01 | Healey Sean M (CEO and Chairman) | Option Ex | 8,795 | .00 | 0 |
Insider trading activities including stock purchases, stock sales, and option exercises of AMG listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Affiliated Managers Group, Inc. (symbol AMG, CIK number 1004434) see the Securities and Exchange Commission (SEC) website.