SPIGNESI ROBERT G. JR.

PrivateCIK: 1853904
Location

LOWELL, MA

SPIGNESI ROBERT G. JR. (President and CEO) exercised options at RAPID MICRO BIOSYSTEMS, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 2 exercises
InsiderSPIGNESI ROBERT G. JR.CIK 1853904
DirectorOfficer· President and CEO
Since Jul 2021
-6.85K
Net shares
Net seller
$21.1K
Total sold
0
Open market trades
0B · 0S
6
Total transactions
11.23K acquired · 18.08K disposed
Non-Derivative Transactions4

Class A Common Stock

Direct
M · Option Exercise

Shares

+3.40K

Price / share

$0.75

Trade value

$2.55K

% of position

0.4%
10/17/2025
970.55K973.95K

Class A Common Stock

Direct
F · Tax Withholding

Shares

2.07K

Price / share

$3.08

Trade value

$6.38K

% of position

0.2%
10/17/2025
973.95K971.88K

Class A Common Stock

Direct
M · Option Exercise

Shares

+7.83K

Price / share

$0.75

Trade value

$5.87K

% of position

0.8%
10/17/2025
971.88K979.71K

Class A Common Stock

Direct
F · Tax Withholding

Shares

4.77K

Price / share

$3.08

Trade value

$14.70K

% of position

0.5%
10/17/2025
979.71K974.94K
Total

Net shares

+4.39K

Net value

-$12.66K

Derivative Transactions2

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Class A Common Stock

3.40K shares

Shares

3.40K

Strike price

0.75

Held after

0.00

Exercisable

10/17/2025

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Class A Common Stock

7.83K shares

Shares

7.83K

Strike price

0.75

Held after

0.00

Exercisable

10/17/2025
SPIGNESI ROBERT G. JR. — Insider Transaction (Form 4) Filed Oct 21, 2025 | Finecho