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buyModerate

Timothy A Springer bought $965k of RNAC

director, owner at Cartesian Therapeutics, Inc.. 52,189 shares at an average of $18.49, traded Dec 19, 2024, filed Dec 23, 2024.

Conviction score
40
Value
$965k
52,189 shares
Holdings after
8,507,895
+1% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Director
    +15
  • Trade size
    $965k at market
    +25
  • Relative to holdings
    Under 1% of holdings (0.6%)
    -5
  • Price context
    No price history yet
    0
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    2 buys in 90 days
    +5
  • 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.

RNACOct 9, 2026 · close 7.05
Since filing Dec 23, 2024: -63.5%SPY +33.5% · excess -97.0%

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 0001453687-24-000147, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 19, 2024POpen-market purchase
Common Stock
+11,303$17.39$197k8,467,009Dec 23, 2024
Dec 19, 2024POpen-market purchase
Common Stock
+10,529$18.35$193k8,477,538Dec 23, 2024
Dec 19, 2024POpen-market purchase
Common Stock
+3,376$18.93$64k8,480,914Dec 23, 2024
Dec 20, 2024POpen-market purchase
Common Stock
+21,800$18.94$413k8,502,714Dec 23, 2024
Dec 23, 2024POpen-market purchase
Common Stock
+5,181$19.00$98k8,507,895Dec 23, 2024

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
53Moderate
RNACbuy
Cartesian Therapeutics, Inc.
Timothy A Springer
director, owner
$1.5M
149,075 shares
+2%
45Moderate
RNACbuy
Cartesian Therapeutics, Inc.
Timothy A Springer
director, owner
$1.4M
89,863 shares
+1%
30Weak
RNACbuy
Cartesian Therapeutics, Inc.
Timothy A Springer
director, owner
$366k
20,967 shares
+0%
54Moderate
RNACsell 6
Cartesian Therapeutics, Inc.
Carsten Brunn
President and CEO
$290k
17,271 shares
-8%
48Moderate
RNACsell 6
Cartesian Therapeutics, Inc.
Blaine Davis
Chief Financial Officer
$134k
7,989 shares
-8%
40Moderate
RNACsell 6
Cartesian Therapeutics, Inc.
Emily English
Chief Operations Officer
$30k
1,797 shares
-4%
36Weak
RNACsell 6
Cartesian Therapeutics, Inc.
Christopher M Jewell
Chief Scientific Officer
$43k
2,550 shares
-5%
35Weak
RNACsell 6
Cartesian Therapeutics, Inc.
Milos Miljkovic
Chief Medical Officer
$32k
1,880 shares
-5%
39Weak
RNACsell 6
Cartesian Therapeutics, Inc.
Metin Kurtoglu
Chief Technology Officer
$82k
4,875 shares
-7%
20Weak
RNACsell
Cartesian Therapeutics, Inc.
Metin Kurtoglu
Chief Technology Officer
$345k
13,664 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.

Timothy A Springer bought $965k of RNAC | InsiderTell