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RPID

RAPID MICRO BIOSYSTEMS, INC.

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Tapewire entity
6966
SEC CIK
0001380106
Parsed reports
150

Last 12 months

Inside the activity.

0 purchase rows · 14 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202500
Jan 202602
Feb 202609
Mar 202603
Apr 202600
May 202600
Jun 202600
Jul 202600
Aug 202600
Sep 202600
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
February 06, 2025 Filed Feb 8, 2025 01:11 UTC
Spignesi Robert G. Jr.Director · PRESIDENT AND CEO
Tax withholdingClass A Common Stock 13,052 $3.10 $40,461.20
Disclosure

SEC source: 0001380106-25-000021 · wk-form4_1738977079.xml · nonDerivative · entry 1

Spignesi Robert G. Jr. · CIK 0001853904 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 526,960

F1 · shares: Represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

Read SEC document
February 06, 2025 Filed Feb 8, 2025 01:12 UTC
WIRTJES SEAN MCHIEF FINANCIAL OFFICER
Tax withholdingClass A Common Stock 5,891 $3.10 $18,262.10
Disclosure

SEC source: 0001380106-25-000022 · wk-form4_1738977151.xml · nonDerivative · entry 1

WIRTJES SEAN M · CIK 0001289733 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 342,266

F1 · shares: Represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

Read SEC document
December 05, 2024 Filed Dec 5, 2024 23:44 UTC PurchaseClass A Common Stock 9,120 $1.04 $9,483.89
Disclosure

SEC source: 0001380106-24-000210 · wk-form4_1733442280.xml · nonDerivative · entry 2

PEI MELINDA LITHERLAND · CIK 0001703469 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,300

F1 · price: The reported price in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $1.03 to $1.04 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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December 03, 2024 Filed Dec 5, 2024 23:44 UTC PurchaseClass A Common Stock 10,880 $1.00 $10,880.00
Disclosure

SEC source: 0001380106-24-000210 · wk-form4_1733442280.xml · nonDerivative · entry 1

PEI MELINDA LITHERLAND · CIK 0001703469 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,180

Read SEC document
November 27, 2024 Filed Nov 28, 2024 02:42 UTC PurchaseClass A Common Stock 19,892 $1.05 $20,886.60
Disclosure

SEC source: 0001380106-24-000206 · wk-form4_1732761717.xml · nonDerivative · entry 2

PEI MELINDA LITHERLAND · CIK 0001703469 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,300

Read SEC document
November 26, 2024 Filed Nov 28, 2024 02:42 UTC PurchaseClass A Common Stock 108 $1.04 $112.32
Disclosure

SEC source: 0001380106-24-000206 · wk-form4_1732761717.xml · nonDerivative · entry 1

PEI MELINDA LITHERLAND · CIK 0001703469 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,408

Read SEC document
August 08, 2024 Filed Aug 9, 2024 12:36 UTC
Malloy KirkDirector
PurchaseClass A Common Stock 50,000 $0.91 $45,335.00
Disclosure

SEC source: 0001380106-24-000182 · wk-form4_1723206977.xml · nonDerivative · entry 1

Malloy Kirk · CIK 0001326794 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,300

F1 · price: The reported price in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $0.8100 to $0.9200 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

Read SEC document
August 07, 2024 Filed Aug 8, 2024 21:35 UTC
WIRTJES SEAN MCHIEF FINANCIAL OFFICER
PurchaseClass A Common Stock 10,000 $0.78 $7,800.00
Disclosure

SEC source: 0001380106-24-000179 · wk-form4_1723152949.xml · nonDerivative · entry 1

WIRTJES SEAN M · CIK 0001289733 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 348,157

F1 · balance_after: Includes 12,754 shares acquired under the Rapid Micro Biosystems, Inc. employee stock purchase plan on March 14, 2024.

Read SEC document
August 06, 2024 Filed Aug 7, 2024 20:31 UTC
Spignesi Robert G. Jr.Director · PRESIDENT AND CEO
PurchaseClass A Common Stock 50,000 $0.77 $38,400.00
Disclosure

SEC source: 0001380106-24-000173 · wk-form4_1723062694.xml · nonDerivative · entry 1

Spignesi Robert G. Jr. · CIK 0001853904 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 540,012

F1 · balance_after: Includes 21,188 shares acquired under the Rapid Micro Biosystems, Inc. employee stock purchase plan on March 14, 2024.

Read SEC document
August 06, 2024 Filed Aug 7, 2024 20:34 UTC PurchaseClass A Common Stock 65,000 $0.77 $50,128.00
Disclosure

SEC source: 0001380106-24-000175 · wk-form4_1723062874.xml · nonDerivative · entry 1

Kollender Richard S · CIK 0001415666 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,718

F1 · price: The reported price in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $0.7690 to $0.7852 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

Read SEC document
May 23, 2024 Filed May 28, 2024 19:08 UTC GrantStock Option (Right to Buy) · Derivative 28,650 $0.00 Strike: $0.82 $0.00
Disclosure

SEC source: 0001380106-24-000150 · wk-form4_1716937708.xml · derivative · entry 2

RICCIARDI NATALE S · CIK 0001107158 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,650

Underlying: Class A Common Stock · 28,650 shares

Expires 2034-05-22

F2 · derivative.exercise_date: 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 stockholders of the Company provided that the Reporting Person remains in continuous service on such vesting date.

Read SEC document
May 23, 2024 Filed May 28, 2024 19:08 UTC GrantClass A Common Stock 14,300 $0.00 $0.00
Disclosure

SEC source: 0001380106-24-000150 · wk-form4_1716937708.xml · nonDerivative · entry 1

RICCIARDI NATALE S · CIK 0001107158 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,300

F1 · shares: 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 the stockholders of the Company provided that the Reporting Person remains in continuous service on such vesting date.

Read SEC document
May 23, 2024 Filed May 28, 2024 23:05 UTC GrantStock Option (Right to Buy) · Derivative 28,650 $0.00 Strike: $0.82 $0.00
Disclosure

SEC source: 0001380106-24-000146 · wk-form4_1716937514.xml · derivative · entry 2

PEI MELINDA LITHERLAND · CIK 0001703469 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,650

Underlying: Class A Common Stock · 28,650 shares

Expires 2034-05-22

F2 · derivative.exercise_date: 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 stockholders of the Company provided that the Reporting Person remains in continuous service on such vesting date.

Read SEC document
May 23, 2024 Filed May 28, 2024 23:05 UTC GrantClass A Common Stock 14,300 $0.00 $0.00
Disclosure

SEC source: 0001380106-24-000146 · wk-form4_1716937514.xml · nonDerivative · entry 1

PEI MELINDA LITHERLAND · CIK 0001703469 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,300

F1 · shares: 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 the stockholders of the Company provided that the Reporting Person remains in continuous service on such vesting date.

Read SEC document
May 23, 2024 Filed May 28, 2024 23:03 UTC GrantStock Option (Right to Buy) · Derivative 28,650 $0.00 Strike: $0.82 $0.00
Disclosure

SEC source: 0001380106-24-000144 · wk-form4_1716937427.xml · derivative · entry 2

Kollender Richard S · CIK 0001415666 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,650

Underlying: Class A Common Stock · 28,650 shares

Expires 2034-05-22

F3 · derivative.exercise_date: 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 stockholders of the Company provided that the Reporting Person remains in continuous service on such vesting date.

Read SEC document
May 23, 2024 Filed May 28, 2024 23:03 UTC GrantClass A Common Stock 14,300 $0.00 $0.00
Disclosure

SEC source: 0001380106-24-000144 · wk-form4_1716937427.xml · nonDerivative · entry 1

Kollender Richard S · CIK 0001415666 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,718

F1 · shares: 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 the stockholders of the Company provided that the Reporting Person remains in continuous service on such vesting date.

F2 · balance_after: Includes 17,418 shares of Class A common stock received in pro rata distributions by Quaker Bioventures II, L.P. to its limited partners for no additional consideration, which were exempt from reporting.

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May 23, 2024 Filed May 28, 2024 23:01 UTC
Malloy KirkDirector
GrantStock Option (Right to Buy) · Derivative 28,650 $0.00 Strike: $0.82 $0.00
Disclosure

SEC source: 0001380106-24-000142 · wk-form4_1716937283.xml · derivative · entry 2

Malloy Kirk · CIK 0001326794 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,650

Underlying: Class A Common Stock · 28,650 shares

Expires 2034-05-22

F2 · derivative.exercise_date: 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 stockholders of the Company provided that the Reporting Person remains in continuous service on such vesting date.

Read SEC document
May 23, 2024 Filed May 28, 2024 23:01 UTC
Malloy KirkDirector
GrantClass A Common Stock 14,300 $0.00 $0.00
Disclosure

SEC source: 0001380106-24-000142 · wk-form4_1716937283.xml · nonDerivative · entry 1

Malloy Kirk · CIK 0001326794 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,300

F1 · shares: 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 the stockholders of the Company provided that the Reporting Person remains in continuous service on such vesting date.

Read SEC document
May 23, 2024 Filed May 28, 2024 22:59 UTC
Hirsch DavidDirector
GrantStock Option (Right to Buy) · Derivative 28,650 $0.00 Strike: $0.82 $0.00
Disclosure

SEC source: 0001380106-24-000140 · wk-form4_1716937188.xml · derivative · entry 2

Hirsch David · CIK 0001619884 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,650

Underlying: Class A Common Stock · 28,650 shares

Expires 2034-05-22

F2 · derivative.exercise_date: 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 stockholders of the Company provided that the Reporting Person remains in continuous service on such vesting date.

Read SEC document
May 23, 2024 Filed May 28, 2024 22:59 UTC
Hirsch DavidDirector
GrantClass A Common Stock 14,300 $0.00 $0.00
Disclosure

SEC source: 0001380106-24-000140 · wk-form4_1716937188.xml · nonDerivative · entry 1

Hirsch David · CIK 0001619884 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,300

F1 · shares: 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 the stockholders of the Company provided that the Reporting Person remains in continuous service on such vesting date.

Read SEC document
May 23, 2024 Filed May 28, 2024 23:07 UTC GrantStock Option (Right to Buy) · Derivative 28,650 $0.00 Strike: $0.82 $0.00
Disclosure

SEC source: 0001380106-24-000148 · wk-form4_1716937620.xml · derivative · entry 2

LOWENSTEIN INESE · CIK 0001900476 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,650

Underlying: Class A Common Stock · 28,650 shares

Expires 2034-05-22

F2 · derivative.exercise_date: 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 stockholders of the Company provided that the Reporting Person remains in continuous service on such vesting date.

Read SEC document
May 23, 2024 Filed May 28, 2024 23:07 UTC GrantClass A Common Stock 14,300 $0.00 $0.00
Disclosure

SEC source: 0001380106-24-000148 · wk-form4_1716937620.xml · nonDerivative · entry 1

LOWENSTEIN INESE · CIK 0001900476 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,300

F1 · shares: 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 the stockholders of the Company provided that the Reporting Person remains in continuous service on such vesting date.

Read SEC document
May 23, 2024 Filed May 28, 2024 20:59 UTC
Schwartz Jeffrey LawrenceDirector · 10% owner
GrantStock Option (Right to Buy) · Derivative 28,650 $0.00 Strike: $0.82 $0.00
Disclosure

SEC source: 0000950170-24-065323 · ownership.xml · derivative · entry 3

Schwartz Jeffrey Lawrence · CIK 0001702957 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,650

Underlying: Class A Common Stock · 28,650 shares

Expires 2034-05-22

F2 · derivative.exercise_date: 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 stockholders of the Company, provided that the reporting person remains in continuous service on such vesting date.

Read SEC document
May 23, 2024 Filed May 28, 2024 20:59 UTC
Schwartz Jeffrey LawrenceDirector · 10% owner
GrantClass A Common Stock 14,300 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-065323 · ownership.xml · nonDerivative · entry 1

Schwartz Jeffrey Lawrence · CIK 0001702957 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,300

F1 · shares: 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 the stockholders of the Company, provided that the reporting person remains in continuous service on such vesting date.

Read SEC document
March 11, 2024 Filed Mar 13, 2024 01:23 UTC
Wilson John J. AddingtonCHIEF OPERATING OFFICER
Tax withholdingClass A Common Stock 9,569 $0.98 $9,387.19
Disclosure

SEC source: 0001380106-24-000088 · wk-form4_1710293015.xml · nonDerivative · entry 1

Wilson John J. Addington · CIK 0001872301 · CHIEF OPERATING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 188,738

F1 · shares: Represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

Read SEC document
March 11, 2024 Filed Mar 13, 2024 01:18 UTC
Spignesi Robert G. Jr.Director · PRESIDENT AND CEO
Tax withholdingClass A Common Stock 10,323 $0.98 $10,126.86
Disclosure

SEC source: 0001380106-24-000082 · wk-form4_1710292725.xml · nonDerivative · entry 1

Spignesi Robert G. Jr. · CIK 0001853904 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 468,824

F1 · shares: Represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

Read SEC document
March 11, 2024 Filed Mar 13, 2024 01:20 UTC
WIRTJES SEAN MCHIEF FINANCIAL OFFICER
Tax withholdingClass A Common Stock 7,454 $0.98 $7,312.37
Disclosure

SEC source: 0001380106-24-000084 · wk-form4_1710292809.xml · nonDerivative · entry 1

WIRTJES SEAN M · CIK 0001289733 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 325,403

F1 · shares: Represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

Read SEC document
March 11, 2024 Filed Mar 13, 2024 01:21 UTC
VEZINA VICTORIACHIEF HUMAN RESOURCES OFFICER
Tax withholdingClass A Common Stock 5,435 $0.98 $5,331.74
Disclosure

SEC source: 0001380106-24-000086 · wk-form4_1710292906.xml · nonDerivative · entry 1

VEZINA VICTORIA · CIK 0001608091 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 112,608

F1 · shares: Represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

Read SEC document
February 12, 2024 Filed Feb 14, 2024 22:27 UTC
Wilson John J. AddingtonCHIEF OPERATING OFFICER
Tax withholdingClass A Common Stock 5,809 $0.96 $5,576.64
Disclosure

SEC source: 0001380106-24-000045 · wk-form4_1707949633.xml · nonDerivative · entry 1

Wilson John J. Addington · CIK 0001872301 · CHIEF OPERATING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 198,307

F1 · shares: Represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

Read SEC document
February 12, 2024 Filed Feb 14, 2024 22:23 UTC
Spignesi Robert G. Jr.Director · PRESIDENT AND CEO
Tax withholdingClass A Common Stock 9,365 $0.96 $8,990.40
Disclosure

SEC source: 0001380106-24-000042 · wk-form4_1707949407.xml · nonDerivative · entry 1

Spignesi Robert G. Jr. · CIK 0001853904 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 479,147

F1 · shares: Represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

Read SEC document
February 12, 2024 Filed Feb 14, 2024 22:25 UTC
WIRTJES SEAN MCHIEF FINANCIAL OFFICER
Tax withholdingClass A Common Stock 3,794 $0.96 $3,642.24
Disclosure

SEC source: 0001380106-24-000043 · wk-form4_1707949474.xml · nonDerivative · entry 1

WIRTJES SEAN M · CIK 0001289733 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 332,857

F1 · shares: Represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

Read SEC document
February 12, 2024 Filed Feb 14, 2024 22:26 UTC
VEZINA VICTORIACHIEF HUMAN RESOURCES OFFICER
Tax withholdingClass A Common Stock 2,727 $0.96 $2,617.92
Disclosure

SEC source: 0001380106-24-000044 · wk-form4_1707949553.xml · nonDerivative · entry 1

VEZINA VICTORIA · CIK 0001608091 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 118,043

F1 · shares: Represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

Read SEC document
February 06, 2024 Filed Feb 8, 2024 22:06 UTC
Wilson John J. AddingtonCHIEF OPERATING OFFICER
GrantStock Option (Right to Buy) · Derivative 79,000 $0.00 Strike: $0.94 $0.00
Disclosure

SEC source: 0001380106-24-000031 · wk-form4_1707429998.xml · derivative · entry 2

Wilson John J. Addington · CIK 0001872301 · CHIEF OPERATING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,000

Underlying: Class A Common Stock · 79,000 shares

Expires 2034-02-05

F3 · derivative.exercise_date: The option vests and becomes exercisable in 48 substantially equal monthly installments with the first installment vesting on March 6, 2024.

Read SEC document
February 06, 2024 Filed Feb 8, 2024 22:06 UTC
Wilson John J. AddingtonCHIEF OPERATING OFFICER
GrantClass A Common Stock 39,000 $0.00 $0.00
Disclosure

SEC source: 0001380106-24-000031 · wk-form4_1707429998.xml · nonDerivative · entry 1

Wilson John J. Addington · CIK 0001872301 · CHIEF OPERATING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 204,116

F1 · shares: Grant of restricted stock units ("RSUs") that vest in three annual installments with 33.4% vesting on the first anniversary of February 6, 2024 (the "grant date") and 33.3% vesting on each of the second and third anniversaries of the grant date provided that the Reporting Person remains in continuous service on each vesting date.

F2 · balance_after: Includes 6,739 shares acquired under the Rapid Micro Biosystems, Inc. employee stock purchase plan on March 14, 2023.

Read SEC document
February 06, 2024 Filed Feb 8, 2024 22:01 UTC
Spignesi Robert G. Jr.Director · PRESIDENT AND CEO
GrantStock Option (Right to Buy) · Derivative 225,000 $0.00 Strike: $0.94 $0.00
Disclosure

SEC source: 0001380106-24-000027 · wk-form4_1707429692.xml · derivative · entry 2

Spignesi Robert G. Jr. · CIK 0001853904 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 225,000

Underlying: Class A Common Stock · 225,000 shares

Expires 2034-02-05

F2 · derivative.exercise_date: The option vests and becomes exercisable in 48 substantially equal monthly installments with the first installment vesting on March 6, 2024.

Read SEC document
February 06, 2024 Filed Feb 8, 2024 22:01 UTC
Spignesi Robert G. Jr.Director · PRESIDENT AND CEO
GrantClass A Common Stock 113,000 $0.00 $0.00
Disclosure

SEC source: 0001380106-24-000027 · wk-form4_1707429692.xml · nonDerivative · entry 1

Spignesi Robert G. Jr. · CIK 0001853904 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 488,512

F1 · shares: Grant of restricted stock units ("RSUs") that vest in three annual installments with 33.4% vesting on the first anniversary of February 6, 2024 (the "grant date") and 33.3% vesting on each of the second and third anniversaries of the grant date provided that the Reporting Person remains in continuous service on each vesting date.

Read SEC document
February 06, 2024 Filed Feb 8, 2024 22:10 UTC
WIRTJES SEAN MCHIEF FINANCIAL OFFICER
GrantStock Option (Right to Buy) · Derivative 103,000 $0.00 Strike: $0.94 $0.00
Disclosure

SEC source: 0001380106-24-000033 · wk-form4_1707430245.xml · derivative · entry 2

WIRTJES SEAN M · CIK 0001289733 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,000

Underlying: Class A Common Stock · 103,000 shares

Expires 2034-02-05

F2 · derivative.exercise_date: The option vests and becomes exercisable in 48 substantially equal monthly installments with the first installment vesting on March 6, 2024.

Read SEC document
February 06, 2024 Filed Feb 8, 2024 22:10 UTC
WIRTJES SEAN MCHIEF FINANCIAL OFFICER
GrantClass A Common Stock 51,000 $0.00 $0.00
Disclosure

SEC source: 0001380106-24-000033 · wk-form4_1707430245.xml · nonDerivative · entry 1

WIRTJES SEAN M · CIK 0001289733 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 336,651

F1 · shares: Grant of restricted stock units ("RSUs") that vest in three annual installments with 33.4% vesting on the first anniversary of February 6, 2024 (the "grant date") and 33.3% vesting on each of the second and third anniversaries of the grant date provided that the Reporting Person remains in continuous service on each vesting date.

Read SEC document
February 06, 2024 Filed Feb 8, 2024 22:04 UTC
VEZINA VICTORIACHIEF HUMAN RESOURCES OFFICER
GrantStock Option (Right to Buy) · Derivative 56,000 $0.00 Strike: $0.94 $0.00
Disclosure

SEC source: 0001380106-24-000029 · wk-form4_1707429862.xml · derivative · entry 2

VEZINA VICTORIA · CIK 0001608091 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,000

Underlying: Class A Common Stock · 56,000 shares

Expires 2034-02-05

F3 · derivative.exercise_date: The option vests and becomes exercisable in 48 substantially equal monthly installments with the first installment vesting on March 6, 2024.

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February 06, 2024 Filed Feb 8, 2024 22:04 UTC
VEZINA VICTORIACHIEF HUMAN RESOURCES OFFICER
GrantClass A Common Stock 28,000 $0.00 $0.00
Disclosure

SEC source: 0001380106-24-000029 · wk-form4_1707429862.xml · nonDerivative · entry 1

VEZINA VICTORIA · CIK 0001608091 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,770

F1 · shares: Grant of restricted stock units ("RSUs") that vest in three annual installments with 33.4% vesting on the first anniversary of February 6, 2024 (the "grant date") and 33.3% vesting on each of the second and third anniversaries of the grant date provided that the Reporting Person remains in continuous service on each vesting date.

F2 · balance_after: Includes 6,739 shares acquired under the Rapid Micro Biosystems, Inc. employee stock purchase plan on March 14, 2023.

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September 06, 2023 Filed Sep 8, 2023 11:36 UTC
WIRTJES SEAN MCHIEF FINANCIAL OFFICER
PurchaseClass A Common Stock 10,000 $0.99 $9,894.00
Disclosure

SEC source: 0001380106-23-000157 · wf-form4_169417300562345.xml · nonDerivative · entry 1

WIRTJES SEAN M · CIK 0001289733 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 285,651

F1 · price: The reported price in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $0.920 to $1.020 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · balance_after: Includes 6,739 shares acquired under the Rapid Micro Biosystems, Inc. employee stock purchase plan on March 14, 2023.

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August 15, 2023 Filed Aug 16, 2023 23:13 UTC
Spignesi Robert G. Jr.Director · PRESIDENT AND CEO
PurchaseClass A Common Stock 20,000 $0.97 $19,488.00
Disclosure

SEC source: 0001380106-23-000154 · wf-form4_169222757955521.xml · nonDerivative · entry 1

Spignesi Robert G. Jr. · CIK 0001853904 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 375,512

F1 · price: The reported price in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $0.920 to $1.000 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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August 08, 2023 Filed Aug 10, 2023 20:15 UTC
Spignesi Robert G. Jr.Director · PRESIDENT AND CEO
PurchaseClass A Common Stock 34,000 $0.92 $31,446.60
Disclosure

SEC source: 0001380106-23-000151 · wf-form4_169169853177850.xml · nonDerivative · entry 1

Spignesi Robert G. Jr. · CIK 0001853904 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 355,512

F1 · shares: The reported price in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $0.09038 to $0.94000 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

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July 14, 2023 Filed Jul 18, 2023 22:51 UTC
Malloy KirkDirector
GrantClass A Common Stock · Derivative 50,000 $0.00 Strike: $0.97 $0.00
Disclosure

SEC source: 0001380106-23-000136 · wf-form4_168972065052790.xml · derivative · entry 1

Malloy Kirk · CIK 0001326794 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Class A Common Stock · 50,000 shares

Expires 2033-07-13

F1 · derivative.exercise_date: This option vests and becomes exercisable, subject to the Reporting Person's continued service to the Issuer's Board, in 36 substantially equal monthly installments with the first installment vesting on August 14, 2023.

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May 17, 2023 Filed May 18, 2023 20:12 UTC
Spignesi Robert G. Jr.Director · PRESIDENT AND CEO
PurchaseClass A Common Stock 300 $0.93 $279.00
Disclosure

SEC source: 0001380106-23-000121 · wf-form4_168444073277211.xml · nonDerivative · entry 9

Spignesi Robert G. Jr. · CIK 0001853904 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 321,512

F1 · balance_after: Includes 6,739 shares acquired under the Rapid Micro Biosystems, Inc. employee stock purchase plan on March 14, 2023.

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May 17, 2023 Filed May 18, 2023 20:12 UTC
Spignesi Robert G. Jr.Director · PRESIDENT AND CEO
PurchaseClass A Common Stock 100 $0.93 $92.50
Disclosure

SEC source: 0001380106-23-000121 · wf-form4_168444073277211.xml · nonDerivative · entry 8

Spignesi Robert G. Jr. · CIK 0001853904 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 314,473

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May 17, 2023 Filed May 18, 2023 20:12 UTC
Spignesi Robert G. Jr.Director · PRESIDENT AND CEO
PurchaseClass A Common Stock 100 $0.92 $92.40
Disclosure

SEC source: 0001380106-23-000121 · wf-form4_168444073277211.xml · nonDerivative · entry 7

Spignesi Robert G. Jr. · CIK 0001853904 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 314,373

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May 17, 2023 Filed May 18, 2023 20:12 UTC
Spignesi Robert G. Jr.Director · PRESIDENT AND CEO
PurchaseClass A Common Stock 100 $0.92 $92.30
Disclosure

SEC source: 0001380106-23-000121 · wf-form4_168444073277211.xml · nonDerivative · entry 6

Spignesi Robert G. Jr. · CIK 0001853904 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 314,273

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May 17, 2023 Filed May 18, 2023 20:12 UTC
Spignesi Robert G. Jr.Director · PRESIDENT AND CEO
PurchaseClass A Common Stock 1,400 $0.92 $1,288.00
Disclosure

SEC source: 0001380106-23-000121 · wf-form4_168444073277211.xml · nonDerivative · entry 5

Spignesi Robert G. Jr. · CIK 0001853904 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 314,173

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May 17, 2023 Filed May 18, 2023 20:12 UTC
Spignesi Robert G. Jr.Director · PRESIDENT AND CEO
PurchaseClass A Common Stock 14,700 $0.91 $13,377.00
Disclosure

SEC source: 0001380106-23-000121 · wf-form4_168444073277211.xml · nonDerivative · entry 4

Spignesi Robert G. Jr. · CIK 0001853904 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 312,773

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.