SEC Insider Transactions from Nichols Christian Todd.

Last updated: 2026-03-14 11:55 UTC | Total transactions: 81

Nichols Christian Todd, SVP and Chief Commercial Officer at Alkermes plc. ($ALKS), sold about $390 thousand worth of company shares on the open market in three transactions over the last year. His most recent sale occurred on March 2, 2026. These sales rank 6,994th among 11,678 individual insiders by total value sold, compared to an average of $8.6 million per insider and about 6.4 transactions. Todd made no open market purchases during this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 2, 2026 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer A Employee Stock Option (Right to Buy) 66430 $0.00 66,430.0000 168,510,000 9999.99% 0.04%
March 2, 2026 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer S Ordinary Shares 6000 $30.00 109,769.0000 168,510,000 5.18% 0.00%
March 2, 2026 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer A Restricted Stock Unit Award 30854 $0.00 30,854.0000 168,510,000 9999.99% 0.02%
Feb. 26, 2026 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Restricted Stock Unit Award 5410 $0.00 10,819.0000 168,510,000 33.34% 0.00%
Feb. 26, 2026 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Ordinary Shares 5410 $0.00 118,172.0000 168,510,000 4.80% 0.00%
Feb. 26, 2026 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer F Ordinary Shares 2403 $30.73 115,769.0000 168,510,000 2.03% 0.00%
Feb. 23, 2026 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Restricted Stock Unit Award 6407 $0.00 6,408.0000 168,510,000 50.00% 0.00%
Feb. 23, 2026 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Ordinary Shares 6407 $0.00 115,607.0000 168,510,000 5.87% 0.00%
Feb. 23, 2026 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer F Ordinary Shares 2845 $32.19 112,762.0000 168,510,000 2.46% 0.00%
Feb. 18, 2026 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Restricted Stock Unit Award 6355 $0.00 0.0000 168,510,000 100.00% 0.00%
Feb. 19, 2026 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Ordinary Shares 6045 $0.00 111,477.0000 168,510,000 5.73% 0.00%
Feb. 18, 2026 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer F Ordinary Shares 1869 $32.02 105,432.0000 168,510,000 1.74% 0.00%
Feb. 18, 2026 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Ordinary Shares 6355 $0.00 107,301.0000 168,510,000 6.30% 0.00%
Feb. 19, 2026 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Restricted Stock Unit Award 6045 $0.00 18,137.0000 168,510,000 25.00% 0.00%
Feb. 19, 2026 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer F Ordinary Shares 2277 $32.00 109,200.0000 168,510,000 2.04% 0.00%
Feb. 5, 2026 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer A Ordinary Shares 21127 $0.00 107,335.0000 168,510,000 24.51% 0.01%
Feb. 5, 2026 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer F Ordinary Shares 6389 $33.55 100,946.0000 168,510,000 5.95% 0.00%
June 10, 2025 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer S Ordinary Shares 3334 $31.09 86,208.0000 169,198,000 3.72% 0.00%
June 9, 2025 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer S Ordinary Shares 3333 $31.95 89,542.0000 169,198,000 3.59% 0.00%
Feb. 26, 2025 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Ordinary Shares 5409 $0.00 95,277.0000 169,198,000 6.02% 0.00%
Feb. 26, 2025 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Restricted Stock Unit Award 5409 $0.00 16,229.0000 169,198,000 25.00% 0.00%
Feb. 26, 2025 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer F Ordinary Shares 2402 $34.80 92,875.0000 169,198,000 2.52% 0.00%
Feb. 23, 2025 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Restricted Stock Unit Award 6408 $0.00 12,815.0000 169,198,000 33.34% 0.00%
Feb. 22, 2025 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Ordinary Shares 7109 $0.00 89,463.0000 169,198,000 8.63% 0.00%
Feb. 22, 2025 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer F Ordinary Shares 3157 $35.32 86,306.0000 169,198,000 3.53% 0.00%
Feb. 23, 2025 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Ordinary Shares 6408 $0.00 92,714.0000 169,198,000 7.42% 0.00%
Feb. 23, 2025 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer F Ordinary Shares 2846 $35.32 89,868.0000 169,198,000 3.07% 0.00%
Feb. 22, 2025 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Restricted Stock Unit Award 7109 $0.00 0.0000 169,198,000 100.00% 0.00%
Feb. 18, 2025 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Restricted Stock Unit Award 6354 $0.00 6,355.0000 169,198,000 50.00% 0.00%
Feb. 19, 2025 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer A Employee Stock Option (Right to Buy) 50417 $0.00 50,417.0000 169,198,000 9999.99% 0.03%
Feb. 19, 2025 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer A Restricted Stock Unit Award 24182 $0.00 24,182.0000 169,198,000 9999.99% 0.01%
Feb. 18, 2025 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Ordinary Shares 6354 $0.00 84,223.0000 169,198,000 8.16% 0.00%
Feb. 18, 2025 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer F Ordinary Shares 1869 $35.90 82,354.0000 169,198,000 2.22% 0.00%
Feb. 6, 2025 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer A Ordinary Shares 24565 $0.00 85,268.0000 169,198,000 40.47% 0.01%
Feb. 6, 2025 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer F Ordinary Shares 7399 $31.39 77,869.0000 169,198,000 8.68% 0.00%
Nov. 27, 2024 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer S Ordinary Shares 5208 $29.15 60,703.0000 170,196,000 7.90% 0.00%
March 18, 2024 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer S Ordinary Shares 10417 $28.10 65,911.0000 169,730,000 13.65% 0.01%
Feb. 23, 2024 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Restricted Stock Unit Award 6407 $0.00 19,223.0000 169,730,000 25.00% 0.00%
Feb. 26, 2024 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer A Employee Stock Option (Right to Buy) 87602 $0.00 87,602.0000 169,730,000 9999.99% 0.05%
Feb. 26, 2024 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer A Restricted Stock Unit Award 21638 $0.00 21,638.0000 169,730,000 9999.99% 0.01%
Feb. 23, 2024 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer F Ordinary Shares 2845 $29.57 76,328.0000 169,730,000 3.59% 0.00%
Feb. 23, 2024 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Ordinary Shares 6407 $0.00 79,173.0000 169,730,000 8.80% 0.00%
Feb. 22, 2024 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Restricted Stock Unit Award 7108 $0.00 7,109.0000 169,730,000 50.00% 0.00%
Feb. 22, 2024 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Ordinary Shares 7108 $0.00 75,922.0000 169,730,000 10.33% 0.00%
Feb. 22, 2024 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer F Ordinary Shares 3156 $28.91 72,766.0000 169,730,000 4.16% 0.00%
Nov. 17, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer J Restricted Stock Unit Award 502 $0.00 25,630.0000 163,742,000 2.00% 0.00%
Feb. 18, 2024 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer F Ordinary Shares 1869 $32.18 66,292.0000 169,730,000 2.74% 0.00%
Feb. 20, 2024 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Ordinary Shares 3901 $0.00 70,193.0000 169,730,000 5.88% 0.00%
Feb. 20, 2024 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer F Ordinary Shares 1379 $30.39 68,814.0000 169,730,000 1.96% 0.00%
Nov. 17, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer J Employee Stock Option (Right to Buy) 999 $22.94 50,999.0000 163,742,000 2.00% 0.00%
Nov. 17, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer J Employee Stock Option (Right to Buy) 885 $20.03 45,212.0000 163,742,000 2.00% 0.00%
Nov. 17, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer J Restricted Stock Unit Award 76 $0.00 3,901.0000 163,742,000 1.99% 0.00%
Nov. 17, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer J Employee Stock Option (Right to Buy) 2274 $19.34 116,028.0000 163,742,000 2.00% 0.00%
Nov. 17, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer J Restricted Stock Unit Award 278 $0.00 14,217.0000 163,742,000 1.99% 0.00%
Nov. 17, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer J Employee Stock Option (Right to Buy) 1992 $24.59 101,674.0000 163,742,000 2.00% 0.00%
Nov. 17, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer J Restricted Stock Unit Award 373 $0.00 19,064.0000 163,742,000 2.00% 0.00%
Nov. 17, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer J Employee Stock Option (Right to Buy) 2010 $26.82 102,522.0000 163,742,000 2.00% 0.00%
Feb. 18, 2024 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Ordinary Shares 6355 $0.00 68,161.0000 169,730,000 10.28% 0.00%
Feb. 18, 2024 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Restricted Stock Unit Award 6355 $0.00 12,709.0000 169,730,000 33.34% 0.00%
Feb. 20, 2024 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Restricted Stock Unit Award 3901 $0.00 0.0000 169,730,000 100.00% 0.00%
Feb. 8, 2024 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer A Ordinary Shares 27012 $0.00 69,941.0000 169,730,000 62.92% 0.02%
Feb. 8, 2024 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer F Ordinary Shares 8135 $26.77 61,806.0000 169,730,000 11.63% 0.00%
June 5, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer F Ordinary Shares 1555 $29.46 42,929.0000 163,742,000 3.50% 0.00%
June 5, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Ordinary Shares 3500 $0.00 44,484.0000 163,742,000 8.54% 0.00%
June 5, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Restricted Stock Unit Award 3500 $0.00 0.0000 163,742,000 100.00% 0.00%
May 30, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer S Ordinary Shares 27134 $28.93 40,984.0000 163,742,000 39.83% 0.02%
May 30, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Ordinary Shares 19634 $20.43 68,118.0000 163,742,000 40.50% 0.01%
May 30, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Employee Stock Option (Right to Buy) 19634 $0.00 44,327.0000 163,742,000 30.70% 0.01%
Feb. 22, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Restricted Stock Unit Award 6969 $0.00 13,939.0000 163,742,000 33.33% 0.00%
Feb. 23, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer A Restricted Stock Unit Award 25128 $0.00 25,128.0000 163,742,000 9999.99% 0.02%
Feb. 23, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer A Employee Stock Option (Right to Buy) 100512 $0.00 100,512.0000 163,742,000 9999.99% 0.06%
Feb. 22, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer F Ordinary Shares 2704 $27.77 48,484.0000 163,742,000 5.28% 0.00%
Feb. 22, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Ordinary Shares 6969 $0.00 51,188.0000 163,742,000 15.76% 0.00%
Feb. 20, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer A Ordinary Shares 22969 $0.00 50,972.0000 163,742,000 82.02% 0.01%
Feb. 18, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Ordinary Shares 6230 $0.00 27,265.0000 163,742,000 29.62% 0.00%
Feb. 18, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer F Ordinary Shares 1961 $28.07 25,304.0000 163,742,000 7.19% 0.00%
Feb. 20, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Ordinary Shares 3824 $0.00 29,128.0000 163,742,000 15.11% 0.00%
Feb. 20, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer F Ordinary Shares 1125 $28.07 28,003.0000 163,742,000 3.86% 0.00%
Feb. 20, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Restricted Stock Unit Award 3824 $0.00 3,825.0000 163,742,000 49.99% 0.00%
Feb. 18, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer M Restricted Stock Unit Award 6230 $0.00 18,691.0000 163,742,000 25.00% 0.00%
Feb. 20, 2023 Alkermes plc. $ALKS Nichols Christian Todd SVP, Chief Commercial Officer F Ordinary Shares 6753 $28.07 44,219.0000 163,742,000 13.25% 0.00%