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sellWeak cluster of 2

Gregory Russotti sold $280 of IPSC

See Remarks at Century Therapeutics, Inc.. 526 shares at an average of $0.53, traded Dec 8, 2025, filed Dec 10, 2025.

Warning score
23
Value
$280
526 shares
Holdings after
390,982
-0% from before
From 52-week low
+47%
low $0.39, close $0.57
From 52-week high
-61%
high $1.47, as of Dec 8, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $280 at market
    0
  • Share of holdings sold
    Sold 0.1% of holdings
    0
  • Cluster
    2 insiders selling within 14 days
    +8

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.

This signal so far: 1m +227.7%, 3m +361.1%, 6m +258.1%.

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.

IPSCOct 12, 2026 · close 1.44
Since filing Dec 10, 2025: +143.2%SPY +14.4% · excess +128.9%

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 0001867305-25-000003, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 8, 2025SOpen-market sale
Common Stock
-526$0.53$280390,982Dec 10, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
23Weak
IPSCsell 2
Century Therapeutics, Inc.
Douglas Carr
SVP Finance & Operations
$3,200
1,658 shares
-0%
23Weak
IPSCsell 2
Century Therapeutics, Inc.
Gregory Russotti
See Remarks
$4,993
2,587 shares
-1%
23Weak
IPSCsell 2
Century Therapeutics, Inc.
Douglas Carr
SVP Finance & Operations
$521
254 shares
-0%
23Weak
IPSCsell 2
Century Therapeutics, Inc.
Gregory Russotti
See Remarks
$1,095
534 shares
-0%
15Weak
IPSCsell
Century Therapeutics, Inc.
Douglas Carr
SVP Finance & Operations
$544
275 shares
-0%
23Weak
IPSCsell 2
Century Therapeutics, Inc.
Douglas Carr
SVP Finance & Operations
$3,692
1,654 shares
-0%
23Weak
IPSCsell 2
Century Therapeutics, Inc.
Gregory Russotti
See Remarks
$5,767
2,584 shares
-1%
23Weak
IPSCsell 2
Century Therapeutics, Inc.
Douglas Carr
SVP Finance & Operations
$526
249 shares
-0%
23Weak
IPSCsell 2
Century Therapeutics, Inc.
Gregory Russotti
See Remarks
$1,106
524 shares
-0%
15Weak
IPSCsell
Century Therapeutics, Inc.
Douglas Carr
SVP Finance & Operations
$618
264 shares
-0%

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.

Gregory Russotti sold $280 of IPSC | InsiderTell