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sellWeak

Robert G. Spignesi Jr. sold $117k of RPID

PRESIDENT AND CEO at RAPID MICRO BIOSYSTEMS, INC.. 33,688 shares at an average of $3.47, traded Jul 8, 2025, filed Jul 10, 2025.

Warning score
20
Value
$117k
33,688 shares
Holdings after
944,015
-4% from before
From 52-week low
+321%
low $0.83, close $3.50
From 52-week high
-10%
high $3.90, as of Jul 8, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $117k at market
    +10
  • Share of holdings sold
    Sold 3.8% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0
  • 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.

This signal so far: 1m +0.9%, 3m +6.5%, 6m -3.7%.

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.

RPIDOct 12, 2026 · close 0.88
Since filing Jul 10, 2025: -73.9%SPY +26.0% · excess -99.9%

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 0001380106-25-000157, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 8, 2025MOption exercise
Class A Common Stock
+25,144$0.00$0897,510Jul 10, 2025
Jul 8, 2025SOpen-market sale
Class A Common Stock
-10,824$3.51$38k886,686Jul 10, 2025
Jul 9, 2025MOption exercise
Class A Common Stock
+25,144$0.00$0911,830Jul 10, 2025
Jul 9, 2025SOpen-market sale
Class A Common Stock
-11,247$3.51$39k900,583Jul 10, 2025
Jul 10, 2025MOption exercise
Class A Common Stock
+25,145$0.00$0925,728Jul 10, 2025
Jul 10, 2025SOpen-market sale
Class A Common Stock
-11,617$3.40$39k944,015Jul 10, 2025

Related signals

Other insiders at RAPID MICRO BIOSYSTEMS, INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
42Moderate
RPIDsell 3
RAPID MICRO BIOSYSTEMS, INC.
Sean M Wirtjes
CHIEF FINANCIAL OFFICER
$32k
7,480 shares
-1%
48Moderate
RPIDsell 3
RAPID MICRO BIOSYSTEMS, INC.
Robert G. Spignesi Jr.
PRESIDENT AND CEO
$74k
17,922 shares
-2%
41Moderate
RPIDsell 3
RAPID MICRO BIOSYSTEMS, INC.
John J. Addington Wilson
CHIEF OPERATING OFFICER
$41k
9,603 shares
-3%
45Moderate
RPIDsell 3
RAPID MICRO BIOSYSTEMS, INC.
Sean M Wirtjes
CHIEF FINANCIAL OFFICER
$68k
17,254 shares
-3%
51Moderate
RPIDsell 3
RAPID MICRO BIOSYSTEMS, INC.
Robert G. Spignesi Jr.
PRESIDENT AND CEO
$149k
38,327 shares
-3%
35Weak
RPIDsell 3
RAPID MICRO BIOSYSTEMS, INC.
John J. Addington Wilson
CHIEF OPERATING OFFICER
$21k
5,403 shares
-2%
37Weak
RPIDsell 4
RAPID MICRO BIOSYSTEMS, INC.
Sean M Wirtjes
CHIEF FINANCIAL OFFICER
$23k
6,027 shares
-1%
47Moderate
RPIDsell 4
RAPID MICRO BIOSYSTEMS, INC.
Robert G. Spignesi Jr.
PRESIDENT AND CEO
$49k
12,840 shares
-1%
35Weak
RPIDsell 4
RAPID MICRO BIOSYSTEMS, INC.
John J. Addington Wilson
CHIEF OPERATING OFFICER
$17k
4,610 shares
-2%
59Moderate
RPIDsell 4
RAPID MICRO BIOSYSTEMS, INC.
Longitude Capital Partners II, LLC
owner
$190k
49,000 shares
-100%

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.

Robert G. Spignesi Jr. sold $117k of RPID | InsiderTell