Arkolith/Insider Trading/RPID/Form 4

Spignesi Robert G. Jr.

PRESIDENT AND CEO, DirectorRAPID MICRO BIOSYSTEMS, INC. (RPID) · full profile →Form 4 · filed Oct 21, 2025
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
6
4 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Oct 17, 2025Tax withholding(F)5K$3.08$15K975K
Oct 17, 2025Option exercise(M)8K$0.75$6K980K
Oct 17, 2025Tax withholding(F)2K$3.08$6K972K
Oct 17, 2025Option exercise(M)3K$0.75$3K974K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Oct 17, 2025Option exercise(M)3K—$00
Oct 17, 2025Option exercise(M)8K—$00

Transaction Codes

F
Shares withheld for taxes
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001380106-25-000190) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML