NMTC insider buying and SEC filings, explained
Neuroone Medical Technologies Corp. · CIK 1500198
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq
- Industry (SIC)
- Surgical & Medical Instruments & Apparatus
- State of incorporation
- DE
- Fiscal year end
- Sep 30
- Former names
- Original Source Entertainment, Inc.
Insider activity in the last 12 months
Bought
$737K
Insiders who bought
1
Sold (not marked 10b5-1)
$55K
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Aug 27, 2026 | Purchase (code P) | David J. Wambeke (Chief Business Officer) bought 33,333 shares at about $2.01 ($67K), reported as a purchase (code P). Holdings up 20% to 199,999 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 8, 2026 |
| Jun 30, 2026 | Sale | Mark Christianson (Market Development Director) sold 10,000 shares at $3.18 ($32K). Holdings down 33% to 20,692 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 2, 2026 |
| Mar 30, 2026 | Sale | Mark Christianson (Business Development Director) sold 15,363 shares at $0.7400 ($11K). Holdings down 7% to 198,920 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 1, 2026 |
| Mar 12–13, 2026 | Sale | Mark Christianson (Business Development Director) sold 917 shares between Mar 12 and Mar 13 at $0.8000 ($734). Holdings down <1% to 214,283 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 16, 2026 |
| Mar 10–11, 2026 | Sale | Mark Christianson (Business Development Director) sold 13,720 shares between Mar 10 and Mar 11 at about $0.8000 ($11K). Holdings down 6% to 215,200 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 12, 2026 |
| Mar 1, 2026 | Purchase (code P) | David J. Wambeke (Chief Business Officer) bought 1,000,000 shares at $0.6700 ($670K), reported as a purchase (code P). New position of 1,000,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 3, 2026 |
21 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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