WIRTJES SEAN M

PrivateCIK: 1289733
Location

PALO ALTO, CA

Senior insider sale

Chief Financial Officer at RAPID MICRO BIOSYSTEMS, INC. — senior position signals high conviction

$122.8K

30.76K shares

What this filing means

WIRTJES SEAN M plans to sell 30.76K shares of RAPID MICRO BIOSYSTEMS, INC. valued at approximately $122.8K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderWIRTJES SEAN MCIK 1289733
Officer· Chief Financial Officer
Since Jul 2021
30.76K
Shares to sell
$122.8K
Approx. market value
7.48K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Sort

Restricted Stock Vesting

Compensation

3/10/2026
7.48K
Total acquired7.48K
Planned & Completed Dispositions3
Sort

Completed

Completed

Units to sell

17.25K

Market value

$67.7K

2/20/2026
Completed

Units to sell

6.03K

Market value

$22.8K

2/9/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

7.48K

Market value

$32.3K

3/11/2026
Total

Units

30.76K

Value

$122.8K

WIRTJES SEAN M — Planned Insider Sale (Form 144) | Finecho