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%

Spignesi Robert G. Jr.

PRESIDENT AND CEO

$145.49K (13)

$467.12K (8)

−$321.63K

1,191,973

$5.15M

+883.8%

WIRTJES SEAN M

CHIEF FINANCIAL OFFICER

$17.69K (2)

$122.79K (3)

−$105.09K

568,981

$2.46M

+246.0%

Wilson John J. Addington

CHIEF OPERATING OFFICER

—

$80.10K (3)

−$80.10K

316,762

$1.37M

+418.2%

LOWENSTEIN INESE

Director

$69.50K (1)

—

+$69.50K

70,687

$305.23K

—

Kollender Richard S

Director

$50.13K (1)

—

+$50.13K

2,988,028

$12.90M

+106.3%

Malloy Kirk

Director

$45.34K (1)

—

+$45.34K

60,687

$262.05K

—

PEI MELINDA LITHERLAND

Director

$41.36K (4)

—

+$41.36K

100,687

$434.78K

—

Hirsch David

Director

—

3,422,252

$14.78M

+5,254%

Grewal Gurinder

10% owner

—

294,990

$1.27M

+10.4%

Paris Jonathan

SVP, GENERAL COUNSEL

—

128,698

$555.73K

+3,798%

VEZINA VICTORIA

CHIEF HUMAN RESOURCES OFFICER

—

112,608

$486.25K

+1,021%

KEYS RICHARD A

CHIEF COMMERCIAL OFFICER

—

43,750

$188.92K

—

RICCIARDI NATALE S

Director

—

29,442

$127.13K

—

Bika Dafni

Director

—

19,300

$83.34K

—

Schwartz Jeffrey Lawrence

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.

Individual transactions

Insider

Date

Role

Action

Price

Amount

WIRTJES SEAN M

11 Mar 2026

CHIEF FINANCIAL OFFICER

Sell

7,480

$4.32

$32.30K

Wilson John J. Addington

11 Mar 2026

CHIEF OPERATING OFFICER

Sell

9,603

$4.32

$41.47K

Spignesi Robert G. Jr.

10 Mar 2026

PRESIDENT AND CEO

Sell

17,922

$4.11

$73.69K

WIRTJES SEAN M

20 Feb 2026

CHIEF FINANCIAL OFFICER

Sell

17,254

$3.92

$67.69K

Wilson John J. Addington

20 Feb 2026

CHIEF OPERATING OFFICER

Sell

5,403

$3.92

$21.20K

Spignesi Robert G. Jr.

19 Feb 2026

PRESIDENT AND CEO

Sell

38,327

$3.89

$148.91K

Spignesi Robert G. Jr.

9 Feb 2026

PRESIDENT AND CEO

Sell

12,840

$3.78

$48.57K

WIRTJES SEAN M

9 Feb 2026

CHIEF FINANCIAL OFFICER

Sell

6,027

$3.78

$22.80K

Wilson John J. Addington

9 Feb 2026

CHIEF OPERATING OFFICER

Sell

4,610

$3.78

$17.44K

Longitude Capital Partners II, LLC

4 Feb 2026

10% owner

Sell indirect

49,000

$3.88

$190.09K

Longitude Capital Partners II, LLC

3 Feb 2026

10% owner

Sell indirect

27,500

$4.24

$116.64K

Longitude Capital Partners II, LLC

2 Feb 2026

10% owner

Sell indirect

27,500

$4.25

$116.77K

Longitude Capital Partners II, LLC

30 Jan 2026

10% owner

Sell indirect

46,000

$4.54

$209.00K

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