Transaction · 0001326794-26-000003

Malloy Kirk

Malloy Kirk, DIR, reported a transaction classified as grant at RAPID MICRO BIOSYSTEMS, INC. involving 19300.000000 shares for an estimated $0.00. Reported holdings after the transaction were 47900.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

grantSEC transaction code ADIR
RPIDRAPID MICRO BIOSYSTEMS, INC.
Trade date
May 21, 2026
Filing date
May 26, 2026
View on SEC Insider profile
Disclosed value$0Shares × reported price
Shares traded19.3k$0.00 per share
Holdings after47.9kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

RPID price since this filing

Daily closing prices, with the filing date and available return windows
RPID · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +9.0%1w ago +15.4%1d ago +0.0%
Returns since7d -2.5%30d -15.4%90d -17.4%180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
grant
Code A
Identifier
0001326794-26-000003
Class A Common Stock
Transaction date
May 21, 2026
Filed May 26, 2026, 11:27 PM · 5d delay
Shares
19,300 sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
47,900 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership Large Holdings Increase
Filing-only score

-16 points

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • grant_or_award-22 points

    transaction_code = A

    Grant or award transactions are scheduled compensation, not discretionary.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    Grant of restricted stock units ("RSUs") that vests in full on the earlier of (i) the first anniversary of the Grant Date, or (ii) the day immediately prior to the date of the next annual meeting of t…

  2. F2

    Shares held in family trust as to which the Reporting Person shares investment power and the Reporting Person and/or immediate family members are beneficiaries.

  3. F3

    The option shall vest and become exercisable in full on the earlier of (i) the first anniversary of the Grant Date, or (ii) the day immediately prior to the date of the next annual meeting of the stoc…

Original filing · 0001326794-26-000003
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