WILSON JOHN J. ADDINGTON

PrivateCIK: 1872301
Location

LOWELL, MA

WILSON JOHN J. ADDINGTON (Chief Operating Officer) sold 2.9% of their position (9.60K shares) of RAPID MICRO BIOSYSTEMS, INC. on the open market

Open‑market sale worth $41.5K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderWILSON JOHN J. ADDINGTONCIK 1872301
Officer· Chief Operating Officer
Since Jul 2021
-9.60K
Net shares
Net seller
$41.5K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
9.60K disposed
Non-Derivative Transactions1

Class A Common Stock

Direct
S · Sale

Shares

9.60K

Price / share

$4.32

Trade value

$41.47K

% of position

2.9%
3/11/2026
326.37K316.76K
Total

Net shares

9.60K

Net value

-$41.47K

Derivative Transactions0
No derivative transactions reported
WILSON JOHN J. ADDINGTON — Insider Transaction (Form 4) Filed Mar 12, 2026 | Finecho