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sellWeak

Mark Christianson sold $32k of NMTC

Market Development Director at NEUROONE MEDICAL TECHNOLOGIES Corp. 10,000 shares at an average of $3.18, traded Jun 30, 2026, filed Jul 2, 2026.

Warning score
30
Value
$32k
10,000 shares
Holdings after
20,692
-33% from before
From 52-week low
0%
low $3.04, close $3.04
From 52-week high
-52%
high $6.36, as of Jun 30, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $32k at market
    +5
  • Share of holdings sold
    Sold 33% of holdings
    +10
  • Cluster
    No other insider selling within 14 days
    0

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

NMTCOct 12, 2026 · close 1.08
Since filing Jul 2, 2026: -64.2%SPY +4.7% · excess -68.9%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001709738-26-000010, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 30, 2026SOpen-market sale
Common Stock
-10,000$3.18$32k20,692Jul 2, 2026

Related signals

Other insiders at NEUROONE MEDICAL TECHNOLOGIES Corp and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
26Weak
NMTCbuy
NEUROONE MEDICAL TECHNOLOGIES Corp
David J. Wambeke
Chief Business Officer
$67k
33,333 shares
+20%
15Weak
NMTCsell
NEUROONE MEDICAL TECHNOLOGIES Corp
Mark Christianson
Business Development Director
$11k
15,363 shares
-7%
15Weak
NMTCsell
NEUROONE MEDICAL TECHNOLOGIES Corp
Mark Christianson
Business Development Director
$734
917 shares
-0%
15Weak
NMTCsell
NEUROONE MEDICAL TECHNOLOGIES Corp
Mark Christianson
Business Development Director
$11k
13,720 shares
-6%
51Moderate
NMTCbuy
NEUROONE MEDICAL TECHNOLOGIES Corp
David J. Wambeke
Chief Business Officer
$670k
1,000,000 shares
-
20Weak
NMTCsell
NEUROONE MEDICAL TECHNOLOGIES Corp
Mark Christianson
Business Development Director
$22k
30,000 shares
-11%
15Weak
NMTCsell
NEUROONE MEDICAL TECHNOLOGIES Corp
Mark Christianson
Business Development Director
$5,804
10,000 shares
-4%
15Weak
NMTCsell
NEUROONE MEDICAL TECHNOLOGIES Corp
Mark Christianson
Business Development Director
$5,596
8,981 shares
-3%
15Weak
NMTCsell
NEUROONE MEDICAL TECHNOLOGIES Corp
Mark Christianson
Business Development Director
$7,306
11,019 shares
-4%
68Notable
NMTCbuy 2
NEUROONE MEDICAL TECHNOLOGIES Corp
Ronald W. McClurg
Chief Financial Officer
$100k
200,000 shares
+82%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Mark Christianson sold $32k of NMTC | InsiderTell