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buyModerate cluster of 6

venBio Global Strategic Fund IV, L.P. bought $6.5M of ATTO

owner at Attovia Therapeutics, Inc.. 382,352 shares at an average of $17.00, traded Aug 6, 2026, filed Aug 10, 2026.

Conviction score
50
Value
$6.5M
382,352 shares
Holdings after
4,181,367
+10% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    10% owner
    +12
  • Trade size
    $6.5M at market
    +25
  • Relative to holdings
    Holdings up 10%
    +3
  • Price context
    No price history yet
    0
  • Cluster
    6 insiders buying within 14 days
    +15
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0
  • Outside holder
    A 10% owner who is not an officer or director
    -5

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.

ATTOOct 12, 2026 · close 14.59
Since filing Aug 10, 2026: -26.5%SPY +0.9% · excess -27.4%

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 0000905148-26-003548, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 6, 2026CConversion
Common Stock
+2,311,870--2,311,870Aug 10, 2026
Aug 6, 2026CConversion
Common Stock
+821,998--3,133,868Aug 10, 2026
Aug 6, 2026CConversion
Common Stock
+665,147--3,799,015Aug 10, 2026
Aug 6, 2026POpen-market purchase
Common Stock
+382,352$17.00$6.5M4,181,367Aug 10, 2026
Aug 6, 2026CConversion
Series A Preferred Stockderivative
-21,477,273$0.00$00Aug 10, 2026
Aug 6, 2026CConversion
Series B Preferred Stockderivative
-7,636,362$0.00$00Aug 10, 2026
Aug 6, 2026CConversion
Series C Preferred Stockderivative
-6,179,219$0.00$00Aug 10, 2026

Related signals

Other insiders at Attovia Therapeutics, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
56Moderate
ATTObuy 6
Attovia Therapeutics, Inc.
Goldman Sachs Group Inc
other
$10M
585,000 shares
-
61Notable
ATTOsell 2
Attovia Therapeutics, Inc.
Goldman Sachs Group Inc
other
$2.3M
105,807 shares
-124%
63Notable
ATTObuy 6
Attovia Therapeutics, Inc.
Colin Walsh
director
$10M
585,000 shares
-
68Notable
ATTOsell 2
Attovia Therapeutics, Inc.
Colin Walsh
director
$2.3M
105,807 shares
-124%
56Moderate
ATTObuy 6
Attovia Therapeutics, Inc.
Goldman Sachs Group Inc
other
$10M
585,000 shares
-
61Notable
ATTOsell 2
Attovia Therapeutics, Inc.
Goldman Sachs Group Inc
other
$2.3M
105,807 shares
-124%
63Notable
ATTObuy 6
Attovia Therapeutics, Inc.
Colin Walsh
director
$10M
585,000 shares
-
68Notable
ATTOsell 2
Attovia Therapeutics, Inc.
Colin Walsh
director
$2.3M
105,807 shares
-124%
52Moderate
ATTObuy 6
Attovia Therapeutics, Inc.
Redmile Group, LLC
owner
$10M
600,000 shares
+77%
53Moderate
ATTObuy 6
Attovia Therapeutics, Inc.
Sanofi
owner
$5.1M
300,000 shares
+38%

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.

venBio Global Strategic Fund IV, L.P. bought $6.5M of ATTO | InsiderTell