RAPID MICRO BIOSYSTEMS, INC. (RPID) insider trading

By person

18 insiders · 70 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

Longitude Capital Partners II, LLC entity

10% owner

$3.00M (1)

$663.95K (5)

+$2.34M

3,557,952

$15.36M

—

Bain Capital Life Sciences Investors, LLC entity

10% owner

$2.00M (1)

—

+$2.00M

8,434,560

$36.42M

—

Kennedy Lewis Management LP entity

10% owner

$1.24M (18)

—

+$1.24M

2,904,490

$12.54M

+10.5%

Robert G. Spignesi Jr.

President and CEO

$145.49K (13)

$467.12K (8)

−$321.63K

1,191,973

$5.15M

+883.8%

Sean M Wirtjes

Chief Financial Officer

$17.69K (2)

$122.79K (3)

−$105.09K

568,981

$2.46M

+246.0%

John J. Addington Wilson

Chief Operating Officer

—

$80.10K (3)

−$80.10K

316,762

$1.37M

+418.2%

Inese Lowenstein

Director

$69.50K (1)

—

+$69.50K

70,687

$305.23K

—

Richard S Kollender

Director

$50.13K (1)

—

+$50.13K

2,988,028

$12.90M

+106.3%

Kirk Malloy

Director

$45.34K (1)

—

+$45.34K

60,687

$262.05K

—

Melinda Litherland Pei

Director

$41.36K (4)

—

+$41.36K

100,687

$434.78K

—

David Hirsch

Director

—

3,422,252

$14.78M

+5,254%

Gurinder Grewal

10% owner

—

294,990

$1.27M

+10.4%

Jonathan Paris

SVP, General Counsel

—

128,698

$555.73K

+3,798%

Victoria Vezina

Chief Human Resources Officer

—

112,608

$486.25K

+1,021%

Richard A Keys

Chief Commercial Officer

—

43,750

$188.92K

—

Natale S Ricciardi

Director

—

29,442

$127.13K

—

Dafni Bika

Director

—

19,300

$83.34K

—

Jeffrey Lawrence Schwartz

Director

—

14,300

$61.75K

—

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.

RAPID MICRO BIOSYSTEMS, INC.

What the insiders did Net buying

By person