InsiderClue
Stocks · Technology · Laboratory Analytical Instruments

RAPID MICRO BIOSYSTEMS, INC.

RPID Clue Score39
United States Fiscal year ends December CIK 0001380106 Results filed 7 Aug 2026
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What the insiders did Net buying

Individual transactions

70
Insider
Date
Role
Action
Shares
Price
Amount
Richard S Kollender
24 Jul 2026
Director
Exercised, kept
1,827
$0.75
$1.37K
Richard S Kollender
24 Jul 2026
Director
Exercised, kept
1,681
$0.75
$1.26K
Robert G. Spignesi Jr.
22 Jul 2026
President and CEO
Exercised, kept
1,402
$0.75
$1.05K
Sean M Wirtjes
11 Mar 2026
Chief Financial Officer
Sell
7,480
$4.32
$32.30K
John J. Addington Wilson
11 Mar 2026
Chief Operating Officer
Sell
9,603
$4.32
$41.47K
Robert G. Spignesi Jr.
10 Mar 2026
President and CEO
Sell
17,922
$4.11
$73.69K
Natale S Ricciardi
27 Feb 2026
Director
Exercised, kept
842
$0.75
$631.50
Sean M Wirtjes
20 Feb 2026
Chief Financial Officer
Sell
17,254
$3.92
$67.69K
John J. Addington Wilson
20 Feb 2026
Chief Operating Officer
Sell
5,403
$3.92
$21.20K
Robert G. Spignesi Jr.
19 Feb 2026
President and CEO
Sell
38,327
$3.89
$148.91K
Robert G. Spignesi Jr.
9 Feb 2026
President and CEO
Sell
12,840
$3.78
$48.57K
Sean M Wirtjes
9 Feb 2026
Chief Financial Officer
Sell
6,027
$3.78
$22.80K
John J. Addington Wilson
9 Feb 2026
Chief Operating Officer
Sell
4,610
$3.78
$17.44K
Longitude Capital Partners II, LLC
4 Feb 2026
10% owner
Sell indirect
49,000
$3.88
$190.09K
Longitude Capital Partners II, LLC
3 Feb 2026
10% owner
Sell indirect
27,500
$4.24
$116.64K
Longitude Capital Partners II, LLC
2 Feb 2026
10% owner
Sell indirect
27,500
$4.25
$116.77K
Longitude Capital Partners II, LLC
30 Jan 2026
10% owner
Sell indirect
46,000
$4.54
$209.00K
Longitude Capital Partners II, LLC
23 Jan 2026
10% owner
Sold after exercise indirect
7,739
$4.06
$31.45K
Robert G. Spignesi Jr.
17 Oct 2025
President and CEO
Exercised, kept
7,833
$0.75
$5.87K
Robert G. Spignesi Jr.
17 Oct 2025
President and CEO
Exercised, kept
3,400
$0.75
$2.55K
Robert G. Spignesi Jr.
14 Jul 2025
President and CEO
Sold after exercise
11,881
$3.32
$39.48K
Robert G. Spignesi Jr.
11 Jul 2025
President and CEO
Sold after exercise
11,874
$3.33
$39.50K
Robert G. Spignesi Jr.
10 Jul 2025
President and CEO
Sold after exercise
11,617
$3.40
$39.47K
Robert G. Spignesi Jr.
9 Jul 2025
President and CEO
Sold after exercise
11,247
$3.51
$39.48K
Robert G. Spignesi Jr.
8 Jul 2025
President and CEO
Sold after exercise
10,824
$3.51
$38.02K
Melinda Litherland Pei
5 Dec 2024
Director
Buy
9,120
$1.04
$9.48K
Melinda Litherland Pei
3 Dec 2024
Director
Buy
10,880
$1.00
$10.88K
Melinda Litherland Pei
27 Nov 2024
Director
Buy
19,892
$1.05
$20.89K
Melinda Litherland Pei
26 Nov 2024
Director
Buy
108
$1.04
$112.32
Kirk Malloy
8 Aug 2024
Director
Buy
50,000
$0.91
$45.34K
Sean M Wirtjes
7 Aug 2024
Chief Financial Officer
Buy
10,000
$0.78
$7.80K
Robert G. Spignesi Jr.
6 Aug 2024
President and CEO
Buy
50,000
$0.77
$38.40K
Richard S Kollender
6 Aug 2024
Director
Buy
65,000
$0.77
$50.13K
Sean M Wirtjes
6 Sep 2023
Chief Financial Officer
Buy
10,000
$0.99
$9.89K
Robert G. Spignesi Jr.
15 Aug 2023
President and CEO
Buy
20,000
$0.97
$19.49K
Robert G. Spignesi Jr.
8 Aug 2023
President and CEO
Buy
34,000
$0.92
$31.45K
Robert G. Spignesi Jr.
17 May 2023
President and CEO
Buy
300
$0.93
$279.00
Robert G. Spignesi Jr.
17 May 2023
President and CEO
Buy
100
$0.93
$92.50
Robert G. Spignesi Jr.
17 May 2023
President and CEO
Buy
100
$0.92
$92.40
Robert G. Spignesi Jr.
17 May 2023
President and CEO
Buy
100
$0.92
$92.30
Robert G. Spignesi Jr.
17 May 2023
President and CEO
Buy
1,400
$0.92
$1.29K
Robert G. Spignesi Jr.
17 May 2023
President and CEO
Buy
14,700
$0.91
$13.38K
Robert G. Spignesi Jr.
17 May 2023
President and CEO
Buy
3,000
$0.91
$2.72K
Robert G. Spignesi Jr.
17 May 2023
President and CEO
Buy
100
$0.90
$90.10
Robert G. Spignesi Jr.
17 May 2023
President and CEO
Buy
200
$0.89
$178.00
Kennedy Lewis Management LP
3 Jun 2022
10% owner
Buy indirect
29,398
$4.66
$137.13K
Kennedy Lewis Management LP
3 Jun 2022
10% owner
Buy indirect
20,602
$4.66
$96.10K
Kennedy Lewis Management LP
2 Jun 2022
10% owner
Buy indirect
5,938
$4.99
$29.61K
Kennedy Lewis Management LP
2 Jun 2022
10% owner
Buy indirect
4,162
$4.99
$20.76K
Kennedy Lewis Management LP
1 Jun 2022
10% owner
Buy indirect
27,703
$4.76
$131.86K
Kennedy Lewis Management LP
1 Jun 2022
10% owner
Buy indirect
19,414
$4.76
$92.41K
Kennedy Lewis Management LP
31 May 2022
10% owner
Buy indirect
11,759
$5.11
$60.14K
Kennedy Lewis Management LP
31 May 2022
10% owner
Buy indirect
8,241
$5.11
$42.14K
Kennedy Lewis Management LP
27 May 2022
10% owner
Buy indirect
882
$5.26
$4.64K
Kennedy Lewis Management LP
27 May 2022
10% owner
Buy indirect
618
$5.26
$3.25K
Kennedy Lewis Management LP
26 May 2022
10% owner
Buy indirect
12,396
$4.90
$60.77K
Kennedy Lewis Management LP
26 May 2022
10% owner
Buy indirect
8,687
$4.90
$42.59K
Kennedy Lewis Management LP
25 May 2022
10% owner
Buy indirect
16,933
$4.36
$73.79K
Kennedy Lewis Management LP
25 May 2022
10% owner
Buy indirect
11,867
$4.36
$51.72K
Kennedy Lewis Management LP
18 May 2022
10% owner
Buy indirect
15,875
$3.94
$62.59K
Kennedy Lewis Management LP
18 May 2022
10% owner
Buy indirect
11,125
$3.94
$43.86K
Kennedy Lewis Management LP
17 May 2022
10% owner
Buy indirect
40,873
$4.13
$168.95K
Kennedy Lewis Management LP
17 May 2022
10% owner
Buy indirect
28,643
$4.13
$118.40K
Robert G. Spignesi Jr.
16 May 2022
President and CEO
Buy
10,000
$3.80
$37.95K
Sean M Wirtjes
17 Mar 2022
Chief Financial Officer
Exercised, kept
10,000
$1.00
$10.00K
Robert G. Spignesi Jr.
14 Mar 2022
President and CEO
Exercised, kept
35,000
$1.00
$35.00K
Inese Lowenstein
10 Mar 2022
Director
Buy
10,000
$6.95
$69.50K
Richard S Kollender
9 Sep 2021
Director
Exercised, kept indirect
107,816
$0.05
$5.39K
Longitude Capital Partners II, LLC
19 Jul 2021
10% owner
Buy indirect
150,000
$20.00
$3.00M
Bain Capital Life Sciences Investors, LLC
19 Jul 2021
10% owner
Buy indirect
100,000
$20.00
$2.00M

What was left out

Form 4 filings counted 129
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 9
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 6
Sales at will 13
Transactions with no price 0
Shares from compensation/vesting 19,812,598
History held since 15 Jul 2021