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Insider · CIK 0001647491

Longitude Capital Partners II, LLC

owner

Files at RPID (RAPID MICRO BIOSYSTEMS, INC.). First filing Feb 3, 2026, latest Feb 6, 2026.

Longitude Capital Partners II, LLC files SEC Form 4 as 10% owner at RPID (RAPID MICRO BIOSYSTEMS, INC.). Since Feb 3, 2026, Longitude Capital Partners II, LLC has reported 0 open-market buys worth $0 and 2 open-market sells worth $664k, the latest filed on Feb 6, 2026.

A track record needs three past buys with six months of prices behind them; Longitude Capital Partners II, LLC has 0, so none is measured yet.

The newest scored trade: sold $190k of RPID on Feb 4, 2026, filed Feb 6, 2026, scored 59 (moderate). In the last 12 months: 0 buys worth $0 and 2 sells worth $664k.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 2
$0 bought, $664k sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

RPID: RAPID MICRO BIOSYSTEMS, INC.

RPIDOct 9, 2026 · close 0.89

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
59Moderate
RPIDsell 4
RAPID MICRO BIOSYSTEMS, INC.
$190k
49,000 shares
-100%+96% from low-17% from high
29Weak
RPIDsell
RAPID MICRO BIOSYSTEMS, INC.
$474k
108,739 shares
-3%+204% from low-11% from high

Transactions

Every row this insider has filed, 8 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Feb 4, 2026RPID
RAPID MICRO BIOSYSTEMS, INC.
SOpen-market sale
Class A Common Stockindirect: Held by Longitude Prime Fund, L.P.
-49,000$3.88$190k0Feb 6, 2026
Jan 23, 2026RPID
RAPID MICRO BIOSYSTEMS, INC.
XIn-the-money exercise
Class A Common Stockindirect: Held by Longitude Venture Partners II, L.P.
+629,032$0.05$31k4,036,984Feb 3, 2026
Jan 23, 2026RPID
RAPID MICRO BIOSYSTEMS, INC.
SOpen-market sale
Class A Common Stockindirect: Held by Longitude Venture Partners II, L.P.
-7,739$4.06$31k4,029,245Feb 3, 2026
Jan 30, 2026RPID
RAPID MICRO BIOSYSTEMS, INC.
SOpen-market sale
Class A Common Stockindirect: Held by Longitude Prime Fund, L.P.
-46,000$4.54$209k104,000Feb 3, 2026
Feb 2, 2026RPID
RAPID MICRO BIOSYSTEMS, INC.
SOpen-market sale
Class A Common Stockindirect: Held by Longitude Prime Fund, L.P.
-27,500$4.25$117k76,500Feb 3, 2026
Feb 3, 2026RPID
RAPID MICRO BIOSYSTEMS, INC.
SOpen-market sale
Class A Common Stockindirect: Held by Longitude Prime Fund, L.P.
-27,500$4.24$117k49,000Feb 3, 2026
Jan 23, 2026RPID
RAPID MICRO BIOSYSTEMS, INC.
XIn-the-money exercise
Class A Common Stockderivativeindirect: Held by Longitude Venture Partners II, L.P.
-500,000$0.00$00Feb 3, 2026
Jan 23, 2026RPID
RAPID MICRO BIOSYSTEMS, INC.
XIn-the-money exercise
Class A Common Stockderivativeindirect: Held by Longitude Venture Partners II, L.P.
-129,032$0.00$00Feb 3, 2026

Questions about Longitude Capital Partners II, LLC

Answered from the filings on this page, as of the latest one.

Is Longitude Capital Partners II, LLC buying or selling?

In the last 12 months Longitude Capital Partners II, LLC reported 0 open-market buys worth $0 and 2 open-market sells worth $664k on SEC Form 4; the latest was sold $190k of RPID on Feb 4, 2026. Grants, option exercises and tax withholding are not counted.

How did Longitude Capital Partners II, LLC's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Longitude Capital Partners II, LLC has 0.

Where does Longitude Capital Partners II, LLC file Form 4?

Longitude Capital Partners II, LLC has filed Form 4 at RPID (RAPID MICRO BIOSYSTEMS, INC.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

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.