Skip to content
sellModerate cluster of 3

Brent Pfeiffenberger sold $15k of IPSC

President and CEO at Century Therapeutics, Inc.. 32,456 shares at an average of $0.45, traded Nov 17, 2025, filed Nov 19, 2025.

Warning score
40
Value
$15k
32,456 shares
Holdings after
3,236,453
-1% from before
From 52-week low
+23%
low $0.39, close $0.48
From 52-week high
-72%
high $1.72, as of Nov 17, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $15k at market
    0
  • Share of holdings sold
    Sold 1.0% of holdings
    0
  • Cluster
    3 insiders selling within 14 days
    +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.

IPSCOct 9, 2026 · close 1.47
Since filing Nov 19, 2025: +184.3%SPY +18.8% · excess +165.6%

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 0002001162-25-000003, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 17, 2025SOpen-market sale
Common Stock
-32,456$0.45$15k3,236,453Nov 19, 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%
23Weak
IPSCsell 2
Century Therapeutics, Inc.
Douglas Carr
SVP Finance & Operations
$18k
7,043 shares
-1%
28Weak
IPSCsell 2
Century Therapeutics, Inc.
Gregory Russotti
See Remarks
$26k
10,076 shares
-2%
23Weak
IPSCsell 2
Century Therapeutics, Inc.
Douglas Carr
SVP Finance & Operations
$626
247 shares
-0%
23Weak
IPSCsell 2
Century Therapeutics, Inc.
Gregory Russotti
See Remarks
$1,215
479 shares
-0%
15Weak
IPSCsell
Century Therapeutics, Inc.
Douglas Carr
SVP Finance & Operations
$589
323 shares
-0%
37Weak
IPSCbuy 2
Century Therapeutics, Inc.
Chad Cowan
Chief Scientific Officer
$49k
58,060 shares
+6%

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.

Brent Pfeiffenberger sold $15k of IPSC | InsiderTell