United States Pharmaceuticals

Rapid Micro Biosystems Inc (RPID)

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Over the past 90 days, Rapid Micro Biosystems Inc. recorded five insider transactions, all involving proposed sales by a former officer totaling approximately $50,347. This activity follows a period of broader selling by executives earlier in the year. The stock has declined 15.7% over the last quarter, coinciding with a recent earnings report that missed expectations.
Ticker: RPID Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Rapid Micro Biosystems Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Proposed sale 8 Jul 2026
Value US$306,325.29 | Price 79.83 | Shares 36,212
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-07-08 2026-07-08 PrS Proposed sale
3.7
Wilson John J. Addington

Former Officer

Officer
36,212
79.83
US$306,325 		36,212 79.83 US$306,325
2026-07-01 2026-07-01 PrS Proposed sale
3.7
Wilson John J. Addington

Former Officer

Officer
30,837
167.76
US$4,867,940 		30,837 167.76 US$4,867,940
2026-06-22 2026-06-22 PrS Proposed sale
3.7
Wilson John J. Addington

Former Officer

Officer
25,395
407.98
US$1,101,590 		25,395 407.98 US$1,101,590
2026-06-22 2026-06-22 PrS Proposed sale
3.7
Wilson John J. Addington

Former Officer

Officer
3,688
1.75
US$6,454 		3,688 1.75 US$6,454
2026-06-10 2026-06-10 PrS Proposed sale
3.7
Wilson John J. Addington

Former Officer

Officer
5,000
1.87
US$9,349 		5,000 1.87 US$9,349
2026-03-12 2026-03-11 S Sale
3.6
WIRTJES SEAN M

CHIEF FINANCIAL OFFICER

Officer
7,480 -1.3%
4.32
US$32,299 		7,480 -1.3% 4.32 US$32,299
2026-03-12 2026-03-11 S Sale
3.7
Wilson John J. Addington

CHIEF OPERATING OFFICER

Officer
9,603 -2.9%
4.32
US$41,467 		9,603 -2.9% 4.32 US$41,467
2026-03-11 2026-03-11 PrS Proposed sale
3.7
Wilson John J. Addington

Officer

Officer
9,603
4.32
US$41,467 		9,603 4.32 US$41,467
2026-03-11 2026-03-11 PrS Proposed sale
3.6
WIRTJES SEAN M

Officer

Officer
7,480
4.32
US$32,299 		7,480 4.32 US$32,299
2026-03-12 2026-03-10 S Sale
3.8
Spignesi Robert G. Jr.

PRESIDENT AND CEO

Executive Director
17,922 -1.5%
4.11
US$73,686 		17,922 -1.5% 4.11 US$73,686
2026-03-10 2026-03-10 PrS Proposed sale
3.8
Spignesi Robert G. Jr.

Officer; Director

Executive Director
17,922
4.11
US$73,686 		17,922 4.11 US$73,686
2026-02-20 2026-02-20 S Sale
3.7
Wilson John J. Addington

CHIEF OPERATING OFFICER

Officer
5,403 -1.6%
3.92
US$21,196 		5,403 -1.6% 3.92 US$21,196
2026-02-20 2026-02-20 S Sale
3.6
WIRTJES SEAN M

CHIEF FINANCIAL OFFICER

Officer
17,254 -3.0%
3.92
US$67,687 		17,254 -3.0% 3.92 US$67,687
2026-02-20 2026-02-20 PrS Proposed sale
3.7
Wilson John J. Addington

Officer

Officer
5,403
3.92
US$21,196 		5,403 3.92 US$21,196
2026-02-20 2026-02-20 PrS Proposed sale
3.6
WIRTJES SEAN M

Officer

Officer
17,254
3.92
US$67,687 		17,254 3.92 US$67,687
2026-02-20 2026-02-19 S Sale
3.8
Spignesi Robert G. Jr.

PRESIDENT AND CEO

Executive Director
38,327 -3.1%
3.89
US$148,912 		38,327 -3.1% 3.89 US$148,912
2026-02-19 2026-02-19 PrS Proposed sale
3.8
Spignesi Robert G. Jr.

Officer; Director

Executive Director
38,327
3.89
US$148,912 		38,327 3.89 US$148,912
2026-02-10 2026-02-09 PlS Planned sale
3.7
Wilson John J. Addington

CHIEF OPERATING OFFICER

Officer
4,610 -1.8%
3.78
US$17,438 		4,610 -1.8% 3.78 US$17,438
2026-02-10 2026-02-09 S Sale
3.8
Spignesi Robert G. Jr.

PRESIDENT AND CEO

Executive Director
12,840 -1.3%
3.78
US$48,570 		12,840 -1.3% 3.78 US$48,570
2026-02-10 2026-02-09 S Sale
3.6
WIRTJES SEAN M

CHIEF FINANCIAL OFFICER

Officer
6,027 -1.2%
3.78
US$22,798 		6,027 -1.2% 3.78 US$22,798
2026-02-09 2026-02-09 PrS Proposed sale
3.8
Spignesi Robert G. Jr.

Officer; Director

Executive Director
12,840
3.78
US$48,570 		12,840 3.78 US$48,570
2026-02-09 2026-02-09 PrS Proposed sale
3.7
Wilson John J. Addington

Officer

Officer
4,610
3.78
US$17,438 		4,610 3.78 US$17,438
2026-02-09 2026-02-09 PrS Proposed sale
3.6
WIRTJES SEAN M

Officer

Officer
6,027
3.78
US$22,798 		6,027 3.78 US$22,798
2026-02-06 2026-02-04 S Sale
3.2
Longitude Capital Partners II, LLC
Large shareholder
49,000 -100.0%
3.88
US$190,091 		49,000 -100.0% 3.88 US$190,091
2026-02-03 2026-02-03 S Sale
3.2
Longitude Capital Partners II, LLC
Large shareholder
27,500 -35.9%
4.24
US$116,641 		27,500 -35.9% 4.24 US$116,641
2026-02-03 2026-02-03 S Sale
3.2
Longitude Capital Partners II, LLC
Large shareholder
27,500 -35.9%
4.24
US$116,641 		27,500 -35.9% 4.24 US$116,641
2026-02-03 2026-02-02 S Sale
3.2
Longitude Capital Partners II, LLC
Large shareholder
27,500 -26.4%
4.25
US$116,765 		27,500 -26.4% 4.25 US$116,765
2026-02-03 2026-02-02 S Sale
3.2
Longitude Capital Partners II, LLC
Large shareholder
27,500 -26.4%
4.25
US$116,765 		27,500 -26.4% 4.25 US$116,765
2026-02-03 2026-01-30 S Sale
3.2
Longitude Capital Partners II, LLC
Large shareholder
46,000 -30.7%
4.54
US$209,001 		46,000 -30.7% 4.54 US$209,001
2026-02-03 2026-01-30 S Sale
3.2
Longitude Capital Partners II, LLC
Large shareholder
46,000 -30.7%
4.54
US$209,001 		46,000 -30.7% 4.54 US$209,001
2026-02-03 2026-01-23 S Sale
3.2
Longitude Capital Partners II, LLC
Large shareholder
7,739 -0.2%
4.06
US$31,451 		7,739 -0.2% 4.06 US$31,451
2026-02-03 2026-01-23 S Sale
3.2
Longitude Capital Partners II, LLC
Large shareholder
7,739 -0.2%
4.06
US$31,451 		7,739 -0.2% 4.06 US$31,451
2025-07-15 2025-07-14 S Sale
3.8
Spignesi Robert G. Jr.

PRESIDENT AND CEO

Executive Director
11,881 -1.2%
3.32
US$39,481 		11,881 -1.2% 3.32 US$39,481
2025-07-14 2025-07-14 PrS Proposed sale
3.8
Spignesi Robert G. Jr.

Officer; Director

Executive Director
11,881
3.32
US$39,481 		11,881 3.32 US$39,481
2025-07-15 2025-07-11 S Sale
3.8
Spignesi Robert G. Jr.

PRESIDENT AND CEO

Executive Director
11,874 -1.2%
3.33
US$39,499 		11,874 -1.2% 3.33 US$39,499
2025-07-11 2025-07-11 PrS Proposed sale
3.8
Spignesi Robert G. Jr.

Officer; Director

Executive Director
11,874
3.33
US$39,499 		11,874 3.33 US$39,499
2025-07-10 2025-07-10 PrS Proposed sale
3.8
Spignesi Robert G. Jr.

Officer; Director

Executive Director
11,617
3.40
US$39,479 		11,617 3.40 US$39,479
2025-07-10 2025-07-10 PlS Planned sale
3.8
Spignesi Robert G. Jr.

PRESIDENT AND CEO

Executive Director
11,617 -1.2%
3.40
US$39,475 		11,617 -1.2% 3.40 US$39,475
2025-07-10 2025-07-09 S Sale
3.8
Spignesi Robert G. Jr.

PRESIDENT AND CEO

Executive Director
11,247 -1.2%
3.51
US$39,480 		11,247 -1.2% 3.51 US$39,480
2025-07-09 2025-07-09 PrS Proposed sale
3.8
Spignesi Robert G. Jr.

Officer; Director

Executive Director
11,247
3.51
US$39,480 		11,247 3.51 US$39,480
2025-07-10 2025-07-08 S Sale
3.8
Spignesi Robert G. Jr.

PRESIDENT AND CEO

Executive Director
10,824 -1.2%
3.51
US$38,021 		10,824 -1.2% 3.51 US$38,021
2025-07-08 2025-07-08 PrS Proposed sale
3.8
Spignesi Robert G. Jr.

Officer; Director

Executive Director
10,824
3.51
US$38,021 		10,824 3.51 US$38,021
2024-12-05 2024-12-05 B Purchase
2.9
PEI MELINDA LITHERLAND
Non-Executive Director
9,120 +20.2%
1.04
US$9,484 		9,120 +20.2% 1.04 US$9,484
2024-12-05 2024-12-03 B Purchase
2.9
PEI MELINDA LITHERLAND
Non-Executive Director
10,880 +31.7%
1.00
US$10,880 		10,880 +31.7% 1.00 US$10,880
2024-11-27 2024-11-27 B Purchase
2.9
PEI MELINDA LITHERLAND
Non-Executive Director
19,892 +138.1%
1.05
US$20,887 		19,892 +138.1% 1.05 US$20,887
2024-11-27 2024-11-26 B Purchase
2.9
PEI MELINDA LITHERLAND
Non-Executive Director
108 +0.8%
1.04
US$112 		108 +0.8% 1.04 US$112
2024-08-09 2024-08-08 B Purchase
2.3
Malloy Kirk
Non-Executive Director
50,000 +349.7%
0.91
US$45,335 		50,000 +349.7% 0.91 US$45,335
2024-08-08 2024-08-07 PP Planned purchase
3.6
WIRTJES SEAN M

CHIEF FINANCIAL OFFICER

Officer
10,000 +3.0%
0.78
US$7,800 		10,000 +3.0% 0.78 US$7,800
2024-08-07 2024-08-06 B Purchase
3.2
Kollender Richard S
Non-Executive Director
65,000 +204.9%
0.77
US$50,128 		65,000 +204.9% 0.77 US$50,128
2024-08-07 2024-08-06 PP Planned purchase
3.8
Spignesi Robert G. Jr.

PRESIDENT AND CEO

Executive Director
50,000 +10.2%
0.77
US$38,400 		50,000 +10.2% 0.77 US$38,400
2023-09-08 2023-09-06 PP Planned purchase
3.6
WIRTJES SEAN M

CHIEF FINANCIAL OFFICER

Officer
10,000 +3.6%
0.99
US$9,894 		10,000 +3.6% 0.99 US$9,894
2023-08-16 2023-08-15 B Purchase
3.8
Spignesi Robert G. Jr.

PRESIDENT AND CEO

Executive Director
20,000 +5.6%
0.97
US$19,488 		20,000 +5.6% 0.97 US$19,488
2023-08-10 2023-08-08 B Purchase
3.8
Spignesi Robert G. Jr.

PRESIDENT AND CEO

Executive Director
34,000 +10.6%
0.92
US$31,447 		34,000 +10.6% 0.92 US$31,447
2023-05-18 2023-05-17 PP Planned purchase
3.8
Spignesi Robert G. Jr.

PRESIDENT AND CEO

Executive Director
300 +0.1%
0.93
US$279 		300 +0.1% 0.93 US$279
2023-05-18 2023-05-17 B Purchase
3.8
Spignesi Robert G. Jr.

PRESIDENT AND CEO

Executive Director
100 +0.0%
0.93
US$92 		100 +0.0% 0.93 US$92
2023-05-18 2023-05-17 B Purchase
3.8
Spignesi Robert G. Jr.

PRESIDENT AND CEO

Executive Director
100 +0.0%
0.92
US$92 		100 +0.0% 0.92 US$92
2023-05-18 2023-05-17 B Purchase
3.8
Spignesi Robert G. Jr.

PRESIDENT AND CEO

Executive Director
100 +0.0%
0.92
US$92 		100 +0.0% 0.92 US$92
2023-05-18 2023-05-17 B Purchase
3.8
Spignesi Robert G. Jr.

PRESIDENT AND CEO

Executive Director
1,400 +0.4%
0.92
US$1,288 		1,400 +0.4% 0.92 US$1,288
2023-05-18 2023-05-17 B Purchase
3.8
Spignesi Robert G. Jr.

PRESIDENT AND CEO

Executive Director
14,700 +4.9%
0.91
US$13,377 		14,700 +4.9% 0.91 US$13,377
2023-05-18 2023-05-17 B Purchase
3.8
Spignesi Robert G. Jr.

PRESIDENT AND CEO

Executive Director
3,000 +1.0%
0.91
US$2,715 		3,000 +1.0% 0.91 US$2,715
2023-05-18 2023-05-17 B Purchase
3.8
Spignesi Robert G. Jr.

PRESIDENT AND CEO

Executive Director
100 +0.0%
0.90
US$90 		100 +0.0% 0.90 US$90
2023-05-18 2023-05-17 B Purchase
3.8
Spignesi Robert G. Jr.

PRESIDENT AND CEO

Executive Director
200 +0.1%
0.89
US$178 		200 +0.1% 0.89 US$178
2022-06-06 2022-06-03 B Purchase
2.9
KENNEDY LEWIS MANAGEMENT LP
Large shareholder
29,398 +1.0%
4.66
US$137,130 		29,398 +1.0% 4.66 US$137,130
2022-06-06 2022-06-03 B Purchase
2.9
KENNEDY LEWIS MANAGEMENT LP
Large shareholder
20,602 +1.0%
4.66
US$96,100 		20,602 +1.0% 4.66 US$96,100
2022-06-06 2022-06-02 B Purchase
2.9
KENNEDY LEWIS MANAGEMENT LP
Large shareholder
5,938 +0.2%
4.99
US$29,612 		5,938 +0.2% 4.99 US$29,612
2022-06-06 2022-06-02 B Purchase
2.9
KENNEDY LEWIS MANAGEMENT LP
Large shareholder
4,162 +0.2%
4.99
US$20,755 		4,162 +0.2% 4.99 US$20,755
2022-06-01 2022-06-01 B Purchase
2.9
KENNEDY LEWIS MANAGEMENT LP
Large shareholder
27,703 +1.0%
4.76
US$131,861 		27,703 +1.0% 4.76 US$131,861
2022-06-01 2022-06-01 B Purchase
2.9
KENNEDY LEWIS MANAGEMENT LP
Large shareholder
19,414 +1.0%
4.76
US$92,407 		19,414 +1.0% 4.76 US$92,407
2022-06-01 2022-05-31 B Purchase
2.9
KENNEDY LEWIS MANAGEMENT LP
Large shareholder
11,759 +0.4%
5.11
US$60,136 		11,759 +0.4% 5.11 US$60,136
2022-06-01 2022-05-31 B Purchase
2.9
KENNEDY LEWIS MANAGEMENT LP
Large shareholder
8,241 +0.4%
5.11
US$42,144 		8,241 +0.4% 5.11 US$42,144
2022-06-01 2022-05-27 B Purchase
2.9
KENNEDY LEWIS MANAGEMENT LP
Large shareholder
882 +0.0%
5.26
US$4,642 		882 +0.0% 5.26 US$4,642
2022-06-01 2022-05-27 B Purchase
2.9
KENNEDY LEWIS MANAGEMENT LP
Large shareholder
618 +0.0%
5.26
US$3,252 		618 +0.0% 5.26 US$3,252
2022-05-26 2022-05-26 B Purchase
2.9
KENNEDY LEWIS MANAGEMENT LP
Large shareholder
12,396 +0.4%
4.90
US$60,774 		12,396 +0.4% 4.90 US$60,774
2022-05-26 2022-05-26 B Purchase
2.9
KENNEDY LEWIS MANAGEMENT LP
Large shareholder
8,687 +0.4%
4.90
US$42,590 		8,687 +0.4% 4.90 US$42,590
2022-05-26 2022-05-25 B Purchase
2.9
KENNEDY LEWIS MANAGEMENT LP
Large shareholder
16,933 +0.6%
4.36
US$73,794 		16,933 +0.6% 4.36 US$73,794
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