Companies / Rapid Micro Biosystems, Inc. / Activity

Activity — Rapid Micro Biosystems, Inc.

53 moves.

InsidersInstitutions
DateActorActionSecurityValueShares ΔPosition afterImpact
Jan 30, 2026Longitude Capital Partners II, LLC
10% owner
SellClass A Common Stock$209.0K-46K
-30.67%
104,000
0.21% of shares
medium
Feb 4, 2026Longitude Capital Partners II, LLC
10% owner
SellClass A Common Stock$190.1K-49K
-100.00%
0
0.00% of shares
medium
Feb 19, 2026Spignesi Robert G. Jr.
CEO
SellClass A Common Stock$148.9K-38K
-3.13%
1,187,770
2.37% of shares
medium
Feb 2, 2026Longitude Capital Partners II, LLC
10% owner
SellClass A Common Stock$116.8K-28K
-26.44%
76,500
0.15% of shares
medium
Feb 3, 2026Longitude Capital Partners II, LLC
10% owner
SellClass A Common Stock$116.6K-28K
-35.95%
49,000
0.10% of shares
medium
Mar 10, 2026Spignesi Robert G. Jr.
CEO
SellClass A Common Stock$73.7K-18K
-1.51%
1,169,848
2.33% of shares
low
Feb 20, 2026Wirtjes Sean M
Executive
SellClass A Common Stock$67.7K-17K
-2.97%
563,674
1.12% of shares
low
Feb 9, 2026Spignesi Robert G. Jr.
CEO
SellClass A Common Stock$48.6K-13K
-1.32%
962,097
1.92% of shares
low
Mar 11, 2026Wilson John J. Addington
Executive
SellClass A Common Stock$41.5K-10K
-2.94%
316,762
0.63% of shares
low
Mar 11, 2026Wirtjes Sean M
Executive
SellClass A Common Stock$32.3K-7K
-1.33%
556,194
1.11% of shares
low
Jan 23, 2026Longitude Capital Partners II, LLC
10% owner
ExerciseClass A Common Stock$31.5K+629K
+18.46%
4,036,984
8.05% of shares
low
Jan 23, 2026Longitude Capital Partners II, LLC
10% owner
SellClass A Common Stock$31.5K-8K
-0.19%
4,029,245
8.03% of shares
low
May 29, 2026Lowenstein Inese
Director
GrantClass A Common Stock$25.0K+13K
+22.08%
70,687
0.14% of shares
low
May 29, 2026Spignesi Robert G. Jr.
CEO
GrantClass A Common Stock$25.0K+13K
+1.09%
1,190,571
2.37% of shares
low
May 29, 2026Pei Melinda Litherland
Director
GrantClass A Common Stock$25.0K+13K
+14.55%
100,687
0.20% of shares
low
May 29, 2026Malloy Kirk
Director
GrantClass A Common Stock$25.0K+13K
+26.70%
60,687
0.12% of shares
low
May 29, 2026Wirtjes Sean M
Executive
GrantClass A Common Stock$25.0K+13K
+2.30%
568,981
1.13% of shares
low
Feb 9, 2026Wirtjes Sean M
Executive
SellClass A Common Stock$22.8K-6K
-1.23%
483,928
0.96% of shares
low
Feb 20, 2026Wilson John J. Addington
Executive
SellClass A Common Stock$21.2K-5K
-1.63%
326,365
0.65% of shares
low
Feb 9, 2026Wilson John J. Addington
Executive
SellClass A Common Stock$17.4K-5K
-1.76%
257,768
0.51% of shares
low
Feb 27, 2026Ricciardi Natale S
Director
ExerciseClass A Common Stock$632+842
+2.94%
29,442
0.06% of shares
low
May 21, 2026Bika Dafni
Director
GrantClass A Common Stock$0+19K
19,300
0.04% of shares
low
May 21, 2026Lowenstein Inese
Director
GrantClass A Common Stock$0+19K
+50.00%
57,900
0.12% of shares
low
May 21, 2026Pei Melinda Litherland
Director
GrantClass A Common Stock$0+19K
+28.13%
87,900
0.18% of shares
low
May 21, 2026Kollender Richard S
Director
GrantClass A Common Stock$0+19K
+17.38%
130,318
0.26% of shares
low
May 21, 2026Malloy Kirk
Director
GrantClass A Common Stock$0+19K
+67.48%
47,900
0.10% of shares
low
Feb 11, 2026Wilson John J. Addington
Executive
GrantClass A Common Stock$0+74K
+28.71%
331,768
0.66% of shares
low
Feb 11, 2026Wirtjes Sean M
Executive
GrantClass A Common Stock$0+97K
+20.04%
580,928
1.16% of shares
low
Feb 11, 2026Spignesi Robert G. Jr.
CEO
GrantClass A Common Stock$0+264K
+27.44%
1,226,097
2.44% of shares
low
May 29, 2026Lowenstein Inese
Director
GrantSeries B Warrant (right to buy)—+13K
12,787
0.03% of shares
low
May 29, 2026Lowenstein Inese
Director
GrantSeries A Warrant (right to buy)—+13K
12,787
0.03% of shares
low
May 29, 2026Spignesi Robert G. Jr.
CEO
GrantSeries B Warrant (right to buy)—+13K
12,787
0.03% of shares
low
May 29, 2026Spignesi Robert G. Jr.
CEO
GrantSeries A Warrant (right to buy)—+13K
12,787
0.03% of shares
low
May 29, 2026Pei Melinda Litherland
Director
GrantSeries B Warrant (right to buy)—+13K
12,787
0.03% of shares
low
May 29, 2026Pei Melinda Litherland
Director
GrantSeries A Warrant (right to buy)—+13K
12,787
0.03% of shares
low
May 21, 2026Bika Dafni
Director
GrantStock Option (Right to Buy)—+39K
38,700
0.08% of shares
low
May 21, 2026Lowenstein Inese
Director
GrantStock Option (Right to Buy)—+39K
38,700
0.08% of shares
low
May 21, 2026Pei Melinda Litherland
Director
GrantStock Option (Right to Buy)—+39K
38,700
0.08% of shares
low
May 21, 2026Kollender Richard S
Director
GrantStock Option (Right to Buy)—+39K
38,700
0.08% of shares
low
May 20, 2026Bain Capital Life Sciences Investors, LLC
10% owner
BuySeries B Warrant (right to buy)—+1.5M
1,463,000
2.92% of shares
low
May 20, 2026Bain Capital Life Sciences Investors, LLC
10% owner
BuySeries A Warrant (right to buy)—+1.5M
1,463,000
2.92% of shares
low
May 20, 2026Bain Capital Life Sciences Investors, LLC
10% owner
BuyPre-Funded Warrant (right to buy)—+1.5M
1,463,000
2.92% of shares
low
May 29, 2026Malloy Kirk
Director
GrantSeries B Warrant (right to buy)—+13K
12,787
0.03% of shares
low
May 29, 2026Malloy Kirk
Director
GrantSeries A Warrant (right to buy)—+13K
12,787
0.03% of shares
low
May 21, 2026Malloy Kirk
Director
GrantStock Option (Right to Buy)—+39K
38,700
0.08% of shares
low
May 29, 2026Wirtjes Sean M
Executive
GrantSeries B Warrant (right to buy)—+13K
12,787
0.03% of shares
low
May 29, 2026Wirtjes Sean M
Executive
GrantSeries A Warrant (right to buy)—+13K
12,787
0.03% of shares
low
Jan 23, 2026Longitude Capital Partners II, LLC
10% owner
ExerciseClass A Common Stock—-129K
-100.00%
0
0.00% of shares
low
Jan 23, 2026Longitude Capital Partners II, LLC
10% owner
ExerciseClass A Common Stock—-500K
-100.00%
0
0.00% of shares
low
Feb 27, 2026Ricciardi Natale S
Director
ExerciseStock Option (Right to Buy)—-842
-100.00%
0
0.00% of shares
low
← PrevPage 1 of 2Next →