NMTC

NEUROONE MEDICAL TECHNOLOGIES Corp

Insider trading activity for NEUROONE MEDICAL TECHNOLOGIES Corp, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

+$35.2K

net buying

Bought(1 · 1 insiders): $67K
Sold(1 · 1 insiders): $31.8K

Past 6 months

+$23.9K

net buying

Bought(1 · 1 insiders): $67K
Sold(2 · 1 insiders): $43.1K

Past 12 months

+$682.5K

net buying

Bought(2 · 1 insiders): $737.4K
Sold(6 · 1 insiders): $54.9K

Transaction history

The 55 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 28	Wambeke David J.	Chief Business Officer	AGRANT◆	35,000	—	—	—	Open the original filing on SEC.gov
Aug 28	Johns Emily J.	Chief Administrative…	AGRANT◆	12,500	—	—	—	Open the original filing on SEC.gov
Aug 28	Volker Christopher	Chief Financial Officer	AGRANT◆	35,000	—	—	—	Open the original filing on SEC.gov
Aug 28	Christianson Mark	Market Development…	AGRANT◆	12,500	—	—	—	Open the original filing on SEC.gov
Aug 28	Mertens Steve	Chief Technology Officer	AGRANT◆	15,000	—	—	—	Open the original filing on SEC.gov
Aug 28	Rosa David A	CEO & President	AGRANT◆	68,000	—	—	—	Open the original filing on SEC.gov
Aug 27	Wambeke David J.	Chief Business Officer	PBUY	33,333	$2.01	$67K	+20.0%	Open the original filing on SEC.gov
Jun 30	Christianson Mark	Market Development…	SSELL	10,000	$3.18	$31.8K	-32.6%	Open the original filing on SEC.gov
Apr 3	Mills Jason Richard	Director	AGRANT◆	26,036	—	—	—	Open the original filing on SEC.gov
Apr 3	Mills Jason Richard	Director	AGRANT	41,929	—	—	+540.5%	Open the original filing on SEC.gov
Apr 3	Mathiesen Jeffrey S	Director	AGRANT◆	26,036	—	—	—	Open the original filing on SEC.gov
Apr 3	Mathiesen Jeffrey S	Director	AGRANT	41,929	—	—	+36.6%	Open the original filing on SEC.gov
Apr 3	Buckman Paul	Director	AGRANT◆	26,036	—	—	—	Open the original filing on SEC.gov
Apr 3	Buckman Paul	Director	AGRANT	41,929	—	—	+30.6%	Open the original filing on SEC.gov
Apr 3	Andrle Edward	Director	AGRANT◆	26,036	—	—	—	Open the original filing on SEC.gov
Apr 3	Andrle Edward	Director	AGRANT	41,929	—	—	+45.6%	Open the original filing on SEC.gov
Mar 31	Rosa David A	CEO and President	FTAX	2,458	$0.777	$1.9K	-0.2%	Open the original filing on SEC.gov
Mar 31	Mertens Steve	Chief Technology Officer	FTAX	906	$0.777	$704	-0.6%	Open the original filing on SEC.gov
Mar 31	Christianson Mark	Business Development…	FTAX	253	$0.777	$197	-0.1%	Open the original filing on SEC.gov
Mar 30	Christianson Mark	Business Development…	SSELL	15,363	$0.74	$11.4K	-7.2%	Open the original filing on SEC.gov
Mar 13	Christianson Mark	Business Development…	SSELL	100	$0.8	$80	<0.1%	Open the original filing on SEC.gov
Mar 12	Christianson Mark	Business Development…	SSELL	817	$0.8	$654	-0.4%	Open the original filing on SEC.gov
Mar 11	Christianson Mark	Business Development…	SSELL	2,109	$0.8	$1.7K	-1.0%	Open the original filing on SEC.gov
Mar 10	Christianson Mark	Business Development…	SSELL	11,611	$0.8	$9.3K	-5.1%	Open the original filing on SEC.gov
Mar 1	Wambeke David J.	Chief Business Officer	AGRANT◆	500,000	—	—	—	Open the original filing on SEC.gov
Mar 1	Wambeke David J.	Chief Business Officer	PBUY★	1M	$0.6704	$670.4K	—	Open the original filing on SEC.gov
Feb 18	Rosa David A	CEO and President	FTAX	71,325	$0.68	$48.5K	-6.2%	Open the original filing on SEC.gov
Feb 18	Mertens Steve	Chief Technology Officer	FTAX	7,376	$0.68	$5K	-4.6%	Open the original filing on SEC.gov
Feb 18	Christianson Mark	Business Development…	FTAX	1,812	$0.68	$1.2K	-0.8%	Open the original filing on SEC.gov
Dec 31, 2025	Rosa David A	CEO and President	FTAX	2,458	$0.758	$1.9K	+0.2%	Open the original filing on SEC.gov
Dec 31, 2025	Mertens Steve	Chief Technology Officer	FTAX	906	$0.758	$687	-0.6%	Open the original filing on SEC.gov
Dec 31, 2025	Christianson Mark	Business Development…	FTAX	253	$0.758	$192	-0.1%	Open the original filing on SEC.gov
Dec 18, 2025	Mills Jason Richard	Director	AGRANT◆	4,806	—	—	—	Open the original filing on SEC.gov
Dec 18, 2025	Mills Jason Richard	Director	AGRANT	7,758	—	—	—	Open the original filing on SEC.gov
Sep 30, 2025	Rosa David A	CEO and President	FTAX	2,458	$0.8886	$2.2K	-0.2%	Open the original filing on SEC.gov
Sep 30, 2025	Mertens Steve	Chief Technology Officer	FTAX	906	$0.8886	$805	-0.6%	Open the original filing on SEC.gov
Sep 30, 2025	Christianson Mark	Business Development…	FTAX	253	$0.8886	$225	-0.1%	Open the original filing on SEC.gov
Sep 5, 2025	Christianson Mark	Business Development…	SSELL	30,000	$0.7401	$22.2K	-11.5%	Open the original filing on SEC.gov
Jun 30, 2025	Rosa David A	CEO and President	FTAX	2,458	$0.678	$1.7K	-0.2%	Open the original filing on SEC.gov
Jun 30, 2025	Mertens Steve	Chief Technology Officer	FTAX	906	$0.678	$614	-0.6%	Open the original filing on SEC.gov
Jun 30, 2025	Christianson Mark	Business Development…	FTAX	253	$0.678	$172	-0.1%	Open the original filing on SEC.gov
Jun 23, 2025	Mathiesen Jeffrey S	Director	AGRANT◆	50,000	—	—	—	Open the original filing on SEC.gov
Jun 23, 2025	Buckman Paul	Director	AGRANT◆	50,000	—	—	—	Open the original filing on SEC.gov
Jun 23, 2025	Andrle Edward	Director	AGRANT◆	50,000	—	—	—	Open the original filing on SEC.gov
Jun 4, 2025	Christianson Mark	Business Development…	SSELL	10,000	$0.5804	$5.8K	-3.7%	Open the original filing on SEC.gov
Jun 1, 2025	Johns Emily J.	General Counsel	AGRANT◆	500,000	—	—	—	Open the original filing on SEC.gov
May 22, 2025	Christianson Mark	Business Development…	SSELL	8,967	$0.623	$5.6K	-3.2%	Open the original filing on SEC.gov
May 21, 2025	Christianson Mark	Business Development…	SSELL	14	$0.65	$9	0.0%	Open the original filing on SEC.gov
May 20, 2025	Christianson Mark	Business Development…	SSELL	3,013	$0.6558	$2K	-1.1%	Open the original filing on SEC.gov
May 19, 2025	Christianson Mark	Business Development…	SSELL	8,006	$0.6657	$5.3K	-2.8%	Open the original filing on SEC.gov
Apr 17, 2025	Volker Christopher	Chief Operating Officer	AGRANT◆	575,000	—	—	—	Open the original filing on SEC.gov
Apr 17, 2025	Rosa David A	CEO and President	AGRANT◆	750,000	—	—	—	Open the original filing on SEC.gov
Apr 17, 2025	Mertens Steve	Chief Technology Officer	AGRANT◆	200,000	—	—	—	Open the original filing on SEC.gov
Apr 17, 2025	McClurg Ronald W.	Chief Financial Officer	AGRANT◆	250,000	—	—	—	Open the original filing on SEC.gov
Apr 17, 2025	Christianson Mark	Business Development…	AGRANT◆	200,000	—	—	—	Open the original filing on SEC.gov

AGRANT◆—

Wambeke David J. · Chief Business…Aug 28

35,000 sh

AGRANT◆—

Johns Emily J. · Chief Administrati…Aug 28

12,500 sh

AGRANT◆—

Volker Christopher · Chief Financial…Aug 28

35,000 sh

AGRANT◆—

Christianson Mark · Market Development…Aug 28

12,500 sh

AGRANT◆—

Mertens Steve · Chief Technology…Aug 28

15,000 sh

AGRANT◆—

Rosa David A · CEO & PresidentAug 28

68,000 sh

PBUY$67K

Wambeke David J. · Chief Business…Aug 27

33,333 sh @ $2.01 · +20.0% own

SSELL$31.8K

Christianson Mark · Market Development…Jun 30

10,000 sh @ $3.18 · -32.6% own

AGRANT◆—

Mills Jason Richard · DirectorApr 3

26,036 sh

AGRANT—

Mills Jason Richard · DirectorApr 3

41,929 sh · +540.5% own

AGRANT◆—

Mathiesen Jeffrey S · DirectorApr 3

26,036 sh

AGRANT—

Mathiesen Jeffrey S · DirectorApr 3

41,929 sh · +36.6% own

AGRANT◆—

Buckman Paul · DirectorApr 3

26,036 sh

AGRANT—

Buckman Paul · DirectorApr 3

41,929 sh · +30.6% own

AGRANT◆—

Andrle Edward · DirectorApr 3

26,036 sh

AGRANT—

Andrle Edward · DirectorApr 3

41,929 sh · +45.6% own

FTAX$1.9K

Rosa David A · CEO and PresidentMar 31

2,458 sh @ $0.777 · -0.2% own

FTAX$704

Mertens Steve · Chief Technology…Mar 31

906 sh @ $0.777 · -0.6% own

FTAX$197

Christianson Mark · Business Developme…Mar 31

253 sh @ $0.777 · -0.1% own

SSELL$11.4K

Christianson Mark · Business Developme…Mar 30

15,363 sh @ $0.74 · -7.2% own

SSELL$80

Christianson Mark · Business Developme…Mar 13

100 sh @ $0.8 · <0.1% own

SSELL$654

Christianson Mark · Business Developme…Mar 12

817 sh @ $0.8 · -0.4% own

SSELL$1.7K

Christianson Mark · Business Developme…Mar 11

2,109 sh @ $0.8 · -1.0% own

SSELL$9.3K

Christianson Mark · Business Developme…Mar 10

11,611 sh @ $0.8 · -5.1% own

AGRANT◆—

Wambeke David J. · Chief Business…Mar 1

500,000 sh

PBUY★$670.4K

Wambeke David J. · Chief Business…Mar 1

1M sh @ $0.6704

FTAX$48.5K

Rosa David A · CEO and PresidentFeb 18

71,325 sh @ $0.68 · -6.2% own

FTAX$5K

Mertens Steve · Chief Technology…Feb 18

7,376 sh @ $0.68 · -4.6% own

FTAX$1.2K

Christianson Mark · Business Developme…Feb 18

1,812 sh @ $0.68 · -0.8% own

FTAX$1.9K

Rosa David A · CEO and PresidentDec 31, 2025

2,458 sh @ $0.758 · +0.2% own

FTAX$687

Mertens Steve · Chief Technology…Dec 31, 2025

906 sh @ $0.758 · -0.6% own

FTAX$192

Christianson Mark · Business Developme…Dec 31, 2025

253 sh @ $0.758 · -0.1% own

AGRANT◆—

Mills Jason Richard · DirectorDec 18, 2025

4,806 sh

AGRANT—

Mills Jason Richard · DirectorDec 18, 2025

7,758 sh

FTAX$2.2K

Rosa David A · CEO and PresidentSep 30, 2025

2,458 sh @ $0.8886 · -0.2% own

FTAX$805

Mertens Steve · Chief Technology…Sep 30, 2025

906 sh @ $0.8886 · -0.6% own

FTAX$225

Christianson Mark · Business Developme…Sep 30, 2025

253 sh @ $0.8886 · -0.1% own

SSELL$22.2K

Christianson Mark · Business Developme…Sep 5, 2025

30,000 sh @ $0.7401 · -11.5% own

FTAX$1.7K

Rosa David A · CEO and PresidentJun 30, 2025

2,458 sh @ $0.678 · -0.2% own

FTAX$614

Mertens Steve · Chief Technology…Jun 30, 2025

906 sh @ $0.678 · -0.6% own

FTAX$172

Christianson Mark · Business Developme…Jun 30, 2025

253 sh @ $0.678 · -0.1% own

AGRANT◆—

Mathiesen Jeffrey S · DirectorJun 23, 2025

50,000 sh

AGRANT◆—

Buckman Paul · DirectorJun 23, 2025

50,000 sh

AGRANT◆—

Andrle Edward · DirectorJun 23, 2025

50,000 sh

SSELL$5.8K

Christianson Mark · Business Developme…Jun 4, 2025

10,000 sh @ $0.5804 · -3.7% own

AGRANT◆—

Johns Emily J. · General CounselJun 1, 2025

500,000 sh

SSELL$5.6K

Christianson Mark · Business Developme…May 22, 2025

8,967 sh @ $0.623 · -3.2% own

SSELL$9

Christianson Mark · Business Developme…May 21, 2025

14 sh @ $0.65 · 0.0% own

SSELL$2K

Christianson Mark · Business Developme…May 20, 2025

3,013 sh @ $0.6558 · -1.1% own

SSELL$5.3K

Christianson Mark · Business Developme…May 19, 2025

8,006 sh @ $0.6657 · -2.8% own

AGRANT◆—

Volker Christopher · Chief Operating…Apr 17, 2025

575,000 sh

AGRANT◆—

Rosa David A · CEO and PresidentApr 17, 2025

750,000 sh

AGRANT◆—

Mertens Steve · Chief Technology…Apr 17, 2025

200,000 sh

AGRANT◆—

McClurg Ronald W. · Chief Financial…Apr 17, 2025

250,000 sh

AGRANT◆—

Christianson Mark · Business Developme…Apr 17, 2025

200,000 sh

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

2 of 43 filings we hold were filed after the two-business-day deadline. The furthest past the deadline was 6 business days late.

Form 4 filings made after the two-business-day deadline, with the transaction date, the filing date and the number of business days between them.
Traded	Filed	Insider	Past deadline	Largest line	Source
Dec 18, 2025	Jan 1	Mills Jason RichardDirector	6days	—	Filing ↗
Aug 27	Sep 8	Wambeke David J.Chief Business Officer	5days	$67K	Filing ↗

Mills Jason RichardDirector

6days

Traded Dec 18, 2025 · filed Jan 1Filing ↗

Wambeke David J.Chief Business Officer

5days

Traded Aug 27 · filed Sep 8Filing ↗

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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