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Seth Lederman bought $223k of TNXP

Chief Executive Officer at Tonix Pharmaceuticals Holding Corp.. 15,000 shares at an average of $14.89, traded Mar 18, 2026, filed Mar 18, 2026.

Conviction score
65
Value
$223k
15,000 shares
Holdings after
15,001
first purchase
From 52-week low
+7%
low $13.24, close $14.19
From 52-week high
-77%
high $61.57, as of Mar 18, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $223k at market
    +12
  • Relative to holdings
    Holdings up 1500000%
    +10
  • Price context
    7% above the 52-week low; 77% below the 52-week high
    +18
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

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.

This signal so far: 1m -1.5%, 3m -14.0%, 6m -17.1%.

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.

TNXPOct 12, 2026 · close 6.64
Since filing Mar 18, 2026: -53.2%SPY +18.6% · excess -71.8%

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 0001999371-26-006235, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 18, 2026POpen-market purchase
Common Stock, $0.001 par valueindirect: By IRA Account
+15,000$14.89$223k15,001Mar 18, 2026

Related signals

Other insiders at Tonix Pharmaceuticals Holding Corp. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
57Moderate
TNXPbuy 2
Tonix Pharmaceuticals Holding Corp.
Seth Lederman
Chief Executive Officer
$28k
2,000 shares
+22%
39Weak
TNXPbuy 2
Tonix Pharmaceuticals Holding Corp.
Richard H Bagger
director
$13k
1,000 shares
-
58Moderate
TNXPbuy 3
Tonix Pharmaceuticals Holding Corp.
Carolyn E. Taylor
director
$15k
1,415 shares
+339%
80Strong
TNXPbuy 3
Tonix Pharmaceuticals Holding Corp.
Seth Lederman
Chief Executive Officer
$59k
5,000 shares
+125%
63Notable
TNXPbuy 3
Tonix Pharmaceuticals Holding Corp.
Richard Newcomb Stillwell
director
$58k
5,000 shares
-
52Moderate
TNXPbuy
Tonix Pharmaceuticals Holding Corp.
Seth Lederman
Chief Executive Officer
$63k
5,000 shares
+33%
31Weak
TNXPbuy 2
Tonix Pharmaceuticals Holding Corp.
Carolyn E. Taylor
director
$15k
418 shares
-
31Weak
TNXPbuy 2
Tonix Pharmaceuticals Holding Corp.
James Treco
director
$9,000
250 shares
-
44Moderate
TNXPbuy
Tonix Pharmaceuticals Holding Corp.
Seth Lederman
Chief Executive Officer
$86k
4,000 shares
first purchase

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.

Seth Lederman bought $223k of TNXP | InsiderTell