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RAPID MICRO BIOSYSTEMS, INC.

RPID No buying or selling
CIK 0001380106 #4430 in the set updated 22 Sep 2026
Bought (1 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (1 mo)
$0.00
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$0.00
0 of 0 sales
Net
$0.00
$0.00 against sales at will

By person

10 insiders · 0 transactions
7.7×

Robert Spignesi holds 7.7 times base salary in stock. $5.15M of shares against $663.60K in salary for 2025.

Salary from the company's own proxy. The shares are what Robert Spignesi last reported holding, valued at $4.32, the price Class A Common Stock was last bought or sold at on the open market here, on 11 Mar 2026.

Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Spignesi Robert G. Jr.
PRESIDENT AND CEO
1,191,973
$5.15M
+105.6%
WIRTJES SEAN M
CHIEF FINANCIAL OFFICER
568,981
$2.46M
+63.4%
Wilson John J. Addington
CHIEF OPERATING OFFICER
316,762
$1.37M
+32.1%
Kollender Richard S
Director
133,826
$577.87K
+38.4%
PEI MELINDA LITHERLAND
Director
100,687
$434.78K
+604.1%
LOWENSTEIN INESE
Director
70,687
$305.23K
+190.9%
Malloy Kirk
Director
60,687
$262.05K
+11.8%
RICCIARDI NATALE S
Director
29,442
$127.13K
+105.9%
Bika Dafni
Director
19,300
$83.34K
Longitude Capital Partners II, LLC entity
10% owner
0
$0.00

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Nothing of that kind in this period.

What was left out

Form 4 filings counted 0
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 0
Transactions with no price 0
Shares from compensation/vesting 0
History held since 15 Jul 2021