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sellModerate cluster of 3

Ken Herrmann sold $77k of AKTS

director at Aktis Oncology, Inc.. 3,065 shares at an average of $25.21, traded Jul 17, 2026, filed Jul 20, 2026.

Warning score
43
Value
$77k
3,065 shares
Holdings after
0
-100% from before
From 52-week low
+64%
low $15.19, close $24.89
From 52-week high
-23%
high $32.23, as of Jul 17, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $77k at market
    +8
  • Share of holdings sold
    Sold 100% of holdings
    +20
  • Cluster
    3 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15

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.

AKTSOct 12, 2026 · close 17.34
Since filing Jul 20, 2026: -27.6%SPY +5.1% · excess -32.7%

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 0001193125-26-309115, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 17, 2026MOption exercise
Common Stock
+3,065$0.08$2453,065Jul 20, 2026
Jul 17, 2026SOpen-market sale
Common Stock
-3,065$25.21$77k0Jul 20, 2026
Jul 17, 2026MOption exercise
Stock Option (Right to Buy)derivative
-3,065$0.00$03,506Jul 20, 2026

Related signals

Other insiders at Aktis Oncology, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
13Weak
AKTSsell10b5-1
Aktis Oncology, Inc.
Akos Czibere
Chief Medical Officer
$259k
12,500 shares
-100%
45Moderate
AKTSsell 3
Aktis Oncology, Inc.
Ken Herrmann
director
$119k
4,856 shares
-100%
60Notable
AKTSsell 3
Aktis Oncology, Inc.
Akos Czibere
Chief Medical Officer
$1.4M
50,000 shares
-100%
65Notable
AKTSsell 3
Aktis Oncology, Inc.
Shulamit Ron-Bigger
Chief Operating Officer
$1.4M
50,000 shares
-100%
60Notable
AKTSbuy 6
Aktis Oncology, Inc.
Ansbert Gadicke
owner
$20M
1,112,777 shares
+12%
60Notable
AKTSbuy 6
Aktis Oncology, Inc.
Mpm Bioventures 2018, L.p.
owner
$20M
1,112,777 shares
+12%
68Notable
AKTSbuy 6
Aktis Oncology, Inc.
Todd Foley
director, owner
$4.2M
232,870 shares
+6%
75Notable
AKTSbuy 6
Aktis Oncology, Inc.
EcoR1 Capital, LLC
director
$40M
2,222,222 shares
+98%
68Notable
AKTSbuy 6
Aktis Oncology, Inc.
Helen Susan Kim
director, owner
$15M
835,000 shares
+17%
60Notable
AKTSbuy 6
Aktis Oncology, Inc.
Vida Ventures II, LLC
owner
$15M
835,000 shares
+17%

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.

Ken Herrmann sold $77k of AKTS | InsiderTell