Christianson Mark, Business Development Director at NeuroOne Medical Technologies Corp ($NMTC), sold shares on the open market eight times in the last 365 days for a total of nearly $52,000. His most recent sale occurred on March 11, 2026. These $NMTC insider sales rank 10,355th among 11,678 individual insiders in our database, where the average sale totals $8.6 million across about 6.4 transactions. Mark Christianson 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 30, 2026 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | S | Common Stock | 15363 | $0.74 | 198,920.0000 | 50,331,155 | 7.17% | 0.03% |
| March 31, 2026 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 253 | $0.78 | 198,667.0000 | 50,331,155 | 0.13% | 0.00% |
| March 12, 2026 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | S | Common Stock | 817 | $0.80 | 214,383.0000 | 50,331,155 | 0.38% | 0.00% |
| March 13, 2026 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | S | Common Stock | 100 | $0.80 | 214,283.0000 | 50,331,155 | 0.05% | 0.00% |
| March 10, 2026 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | S | Common Stock | 11611 | $0.80 | 217,309.0000 | 50,331,155 | 5.07% | 0.02% |
| March 11, 2026 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | S | Common Stock | 2109 | $0.80 | 215,200.0000 | 50,331,155 | 0.97% | 0.00% |
| Feb. 18, 2026 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 1812 | $0.68 | 228,920.0000 | 50,331,155 | 0.79% | 0.00% |
| Dec. 31, 2025 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 253 | $0.76 | 230,732.0000 | 40,152,873 | 0.11% | 0.00% |
| Sept. 30, 2025 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 253 | $0.89 | 230,985.0000 | 48,604,996 | 0.11% | 0.00% |
| Sept. 5, 2025 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | S | Common Stock | 30000 | $0.74 | 231,238.0000 | 48,604,996 | 11.48% | 0.06% |
| June 30, 2025 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 253 | $0.68 | 261,238.0000 | 31,111,786 | 0.10% | 0.00% |
| June 4, 2025 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | S | Common Stock | 10000 | $0.58 | 261,491.0000 | 31,111,786 | 3.68% | 0.03% |
| May 22, 2025 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | S | Common Stock | 8967 | $0.62 | 271,491.0000 | 31,111,786 | 3.20% | 0.03% |
| May 21, 2025 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | S | Common Stock | 14 | $0.65 | 280,458.0000 | 31,111,786 | 0.00% | 0.00% |
| May 19, 2025 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | S | Common Stock | 8006 | $0.67 | 283,485.0000 | 31,111,786 | 2.75% | 0.03% |
| May 20, 2025 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | S | Common Stock | 3013 | $0.66 | 280,472.0000 | 31,111,786 | 1.06% | 0.01% |
| April 17, 2025 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | A | Option to Purchase Common Stock | 200000 | $0.00 | 200,000.0000 | 31,111,786 | 9999.99% | 0.64% |
| March 31, 2025 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 253 | $0.85 | 291,491.0000 | 30,880,415 | 0.09% | 0.00% |
| Feb. 18, 2025 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 1812 | $1.16 | 291,744.0000 | 30,880,415 | 0.62% | 0.01% |
| Jan. 31, 2025 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $1.15 | 293,556.0000 | 30,880,415 | 0.03% | 0.00% |
| Dec. 31, 2024 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 343 | $0.83 | 293,646.0000 | 26,762,392 | 0.12% | 0.00% |
| Nov. 30, 2024 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $0.62 | 293,989.0000 | 26,762,392 | 0.03% | 0.00% |
| Oct. 31, 2024 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $0.97 | 294,079.0000 | 26,762,392 | 0.03% | 0.00% |
| Sept. 30, 2024 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 343 | $0.99 | 294,169.0000 | 27,352,660 | 0.12% | 0.00% |
| Aug. 31, 2024 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $0.80 | 294,512.0000 | 27,352,660 | 0.03% | 0.00% |
| July 31, 2024 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $0.75 | 294,602.0000 | 27,352,660 | 0.03% | 0.00% |
| June 30, 2024 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 343 | $0.80 | 294,692.0000 | 25,910,478 | 0.12% | 0.00% |
| June 6, 2024 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | S | Common Stock | 2189 | $0.88 | 295,035.0000 | 25,910,478 | 0.74% | 0.01% |
| June 5, 2024 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | S | Common Stock | 25800 | $0.88 | 297,224.0000 | 25,910,478 | 7.99% | 0.10% |
| May 31, 2024 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $0.93 | 323,024.0000 | 25,910,478 | 0.03% | 0.00% |
| April 30, 2024 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $1.13 | 323,114.0000 | 25,910,478 | 0.03% | 0.00% |
| April 21, 2024 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 2030 | $1.15 | 323,204.0000 | 25,910,478 | 0.62% | 0.01% |
| March 31, 2024 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $1.20 | 325,234.0000 | 23,995,610 | 0.03% | 0.00% |
| Feb. 29, 2024 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $1.21 | 325,324.0000 | 23,995,610 | 0.03% | 0.00% |
| Feb. 18, 2024 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | A | Common Stock | 25000 | $0.00 | 325,414.0000 | 23,995,610 | 8.32% | 0.10% |
| Jan. 31, 2024 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $1.25 | 300,414.0000 | 23,995,610 | 0.03% | 0.00% |
| Dec. 31, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $1.58 | 300,504.0000 | 18,121,108 | 0.03% | 0.00% |
| Dec. 26, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | S | Common Stock | 6848 | $1.35 | 332,039.0000 | 18,121,108 | 2.02% | 0.04% |
| Dec. 27, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | S | Common Stock | 31445 | $1.46 | 300,594.0000 | 18,121,108 | 9.47% | 0.17% |
| Dec. 21, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | S | Common Stock | 9907 | $1.40 | 340,687.0000 | 18,121,108 | 2.83% | 0.05% |
| Dec. 22, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | S | Common Stock | 1800 | $1.40 | 338,887.0000 | 18,121,108 | 0.53% | 0.01% |
| Nov. 30, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $1.45 | 350,594.0000 | 18,121,108 | 0.03% | 0.00% |
| Nov. 9, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | A | Option to Purchase Common Stock | 17688 | $0.00 | 17,688.0000 | 18,121,108 | 9999.99% | 0.10% |
| Nov. 2, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $1.61 | 350,684.0000 | 18,121,108 | 0.03% | 0.00% |
| Oct. 31, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $0.90 | 350,774.0000 | 18,121,108 | 0.03% | 0.00% |
| Sept. 30, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $0.89 | 350,864.0000 | 17,578,871 | 0.03% | 0.00% |
| Aug. 31, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $0.85 | 350,954.0000 | 17,578,871 | 0.03% | 0.00% |
| July 31, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $1.02 | 351,044.0000 | 17,578,871 | 0.03% | 0.00% |
| June 30, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $1.20 | 351,134.0000 | 16,414,795 | 0.03% | 0.00% |
| May 31, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $1.21 | 351,224.0000 | 16,414,795 | 0.03% | 0.00% |
| April 30, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $1.54 | 351,314.0000 | 16,414,795 | 0.03% | 0.00% |
| April 21, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | A | Option to Purchase Common Stock | 14000 | $0.00 | 14,000.0000 | 16,414,795 | 9999.99% | 0.09% |
| April 21, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | A | Common Stock | 14000 | $0.00 | 351,404.0000 | 16,414,795 | 4.15% | 0.09% |
| March 31, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 90 | $1.61 | 337,404.0000 | 16,230,997 | 0.03% | 0.00% |
| March 21, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | S | Common Stock | 2122 | $1.60 | 361,872.0000 | 16,230,997 | 0.58% | 0.01% |
| March 22, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | S | Common Stock | 11667 | $1.51 | 350,205.0000 | 16,230,997 | 3.22% | 0.07% |
| March 23, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | S | Common Stock | 12711 | $1.50 | 337,494.0000 | 16,230,997 | 3.63% | 0.08% |
| Feb. 3, 2023 | NEUROONE MEDICAL TECHNOLOGIES Corp | $NMTC | Christianson Mark | Business Development Director | F | Common Stock | 2175 | $1.47 | 363,994.0000 | 16,230,997 | 0.59% | 0.01% |