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buyWeak

Parag Mallick bought $9,885 of NAUT

Chief Scientist at Nautilus Biotechnology, Inc.. 13,500 shares at an average of $0.73, traded May 8, 2025, filed May 12, 2025.

Conviction score
10
Value
$9,885
13,500 shares
Holdings after
20,493,392
+0% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Officer
    +15
  • Trade size
    $10k at market
    0
  • Relative to holdings
    Under 1% of holdings (0.1%)
    -5
  • Price context
    No price history yet
    0
  • 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.

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.

NAUTOct 9, 2026 · close 2.25
Since filing May 12, 2025: +211.2%SPY +35.8% · excess +175.4%

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 0001808805-25-000049, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 8, 2025POpen-market purchase
Common Stock
+12,000$0.73$8,78820,491,892May 12, 2025
May 12, 2025POpen-market purchase
Common Stock
+1,500$0.73$1,09820,493,392May 12, 2025

Related signals

Other insiders at Nautilus Biotechnology, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
23Weak
NAUTbuy
Nautilus Biotechnology, Inc.
Kentaro Suzuki
Chief Marketing Officer
$5,960
4,000 shares
-
44Moderate
NAUTbuy 2
Nautilus Biotechnology, Inc.
Sujal M Patel
CEO, President, and Secretary
$136k
200,000 shares
+2%
29Weak
NAUTbuy 2
Nautilus Biotechnology, Inc.
Matthew B. Murphy
General Counsel
$13k
20,000 shares
+37%
28Weak
NAUTbuy
Nautilus Biotechnology, Inc.
Anna Mowry
CFO and Treasurer
$11k
15,000 shares
+22%

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.

Parag Mallick bought $9,885 of NAUT | InsiderTell