SEC Insider Transactions from Mertens Steve.

Last updated: 2026-04-01 21:05 UTC | Total transactions: 38

Mertens Steve has filed 38 insider transactions across 1 company since February 2023.

Most recent transaction: a tax payment of 906 shares of NEUROONE MEDICAL TECHNOLOGIES Corp ($NMTC) on March 31, 2026.

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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 31, 2026 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 906 $0.78 152,141.0000 50,331,155 0.59% 0.00%
Feb. 18, 2026 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 7376 $0.68 153,047.0000 50,331,155 4.60% 0.01%
Dec. 31, 2025 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 906 $0.76 160,423.0000 40,152,873 0.56% 0.00%
Sept. 30, 2025 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 906 $0.89 161,329.0000 48,604,996 0.56% 0.00%
June 30, 2025 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 906 $0.68 162,235.0000 31,111,786 0.56% 0.00%
April 17, 2025 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer 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 Mertens Steve Chief Technology Officer F Common Stock 906 $0.85 163,141.0000 30,880,415 0.55% 0.00%
Feb. 18, 2025 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 7376 $1.16 164,047.0000 30,880,415 4.30% 0.02%
Jan. 31, 2025 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $1.15 171,423.0000 30,880,415 0.15% 0.00%
Dec. 31, 2024 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 1158 $0.83 171,675.0000 26,762,392 0.67% 0.00%
Nov. 30, 2024 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $0.62 172,833.0000 26,762,392 0.15% 0.00%
Oct. 31, 2024 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $0.97 173,085.0000 26,762,392 0.15% 0.00%
Sept. 30, 2024 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 1158 $0.99 173,337.0000 27,352,660 0.66% 0.00%
Aug. 31, 2024 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $0.80 174,495.0000 27,352,660 0.14% 0.00%
July 31, 2024 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $0.75 174,747.0000 27,352,660 0.14% 0.00%
June 30, 2024 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 1158 $0.80 174,999.0000 25,910,478 0.66% 0.00%
May 31, 2024 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $0.93 176,157.0000 25,910,478 0.14% 0.00%
April 30, 2024 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $1.13 176,409.0000 25,910,478 0.14% 0.00%
April 21, 2024 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 7250 $1.15 176,661.0000 25,910,478 3.94% 0.03%
March 31, 2024 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $1.20 183,911.0000 23,995,610 0.14% 0.00%
Feb. 29, 2024 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $1.21 184,163.0000 23,995,610 0.14% 0.00%
Feb. 18, 2024 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer A Common Stock 101743 $0.00 184,415.0000 23,995,610 123.07% 0.42%
Jan. 31, 2024 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $1.25 82,672.0000 23,995,610 0.30% 0.00%
Dec. 31, 2023 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $1.58 82,924.0000 18,121,108 0.30% 0.00%
Nov. 30, 2023 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $1.45 83,176.0000 18,121,108 0.30% 0.00%
Nov. 9, 2023 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer A Option to Purchase Common Stock 81067 $0.00 81,067.0000 18,121,108 9999.99% 0.45%
Nov. 2, 2023 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $1.61 83,428.0000 18,121,108 0.30% 0.00%
Oct. 31, 2023 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $0.90 83,680.0000 18,121,108 0.30% 0.00%
Sept. 30, 2023 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $0.89 83,932.0000 17,578,871 0.30% 0.00%
Aug. 31, 2023 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $0.85 84,184.0000 17,578,871 0.30% 0.00%
July 31, 2023 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $1.02 84,436.0000 17,578,871 0.30% 0.00%
June 30, 2023 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $1.20 84,688.0000 16,414,795 0.30% 0.00%
May 31, 2023 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $1.21 84,940.0000 16,414,795 0.30% 0.00%
April 30, 2023 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $1.54 85,192.0000 16,414,795 0.29% 0.00%
April 21, 2023 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer A Option to Purchase Common Stock 50000 $0.00 50,000.0000 16,414,795 9999.99% 0.30%
April 21, 2023 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer A Common Stock 50000 $0.00 85,444.0000 16,414,795 141.07% 0.30%
March 31, 2023 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 252 $1.61 35,444.0000 16,230,997 0.71% 0.00%
Feb. 3, 2023 NEUROONE MEDICAL TECHNOLOGIES Corp $NMTC Mertens Steve Chief Technology Officer F Common Stock 6054 $1.47 35,696.0000 16,230,997 14.50% 0.04%