Senior insider sale
Chief Operating Officer at RAPID MICRO BIOSYSTEMS, INC. — senior position signals high conviction
$50.8K
14.60K shares
What this filing means
WILSON JOHN J. ADDINGTON plans to sell 14.60K shares of RAPID MICRO BIOSYSTEMS, INC. valued at approximately $50.8K. 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.
Filed: 6/10/2026ACC: 0001959173-26-004536
Officer· Chief Operating Officer
Since Jul 2021
14.60K
Shares to sell
$50.8K
Approx. market value
5K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
Stock Option Exercise
Cash
6/10/2026
5KTotal acquired5K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
6/10/2026 | Stock Option Exercise Cash | 5K | — |
| Total | 5K | ||
Planned & Completed Dispositions2
Completed
—Completed
Units to sell
9.60K
Market value
$41.5K
3/11/2026
Planned — Approximate Date
NASDAQPlanned
Units to sell
5K
Market value
$9.3K
6/10/2026
Total
Units
14.60K
Value
$50.8K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
3/11/2026 | 9.60K | $41.5K | — | Completed |
| Planned — Approximate Date | ||||
6/10/2026 | 5K | $9.3K | NASDAQ | Planned |
| Total | 14.60K | $50.8K | ||