| $337M | ||
| $259M | ||
| $79M | ||
| $60M | ||
| $58M | ||
| $50M |
Buys | $183,026 | 8 | 100 |
Sells | $0 | 0 | 0 |
| Kollender Richard S | director | 1 | $50,128 | 0 | $0 | $50,128 |
| Malloy Kirk | director | 1 | $45,335 | 0 | $0 | $45,335 |
| PEI MELINDA LITHERLAND | director | 4 | $41,363 | 0 | $0 | $41,363 |
| Spignesi Robert G. Jr. | PRESIDENT AND CEO | 1 | $38,400 | 0 | $0 | $38,400 |
| WIRTJES SEAN M | CHIEF FINANCIAL OFFICER | 1 | $7,800 | 0 | $0 | $7,800 |
Rapid Micro Biosystems, Inc., a life sciences technology company, provides products for the detection of microbial contamination in the manufacture of pharmaceutical, medical devices, and personal care products in North America, Europe, and Asia. The company offers Growth Direct platform, which includes Growth Direct system, proprietary consumables, lab information management system connection software, and comprehensive customer support and validation services. Its platform automates and modernizes the manual microbial quality control (MQC) testing workflows for therapeutic modalities, such as biologics, vaccines, cell and gene therapies, and sterile injectables. The company also provides installation and verification, technical training, and support services. Its solutions are used in environmental monitoring, water testing, bioburden, and sterility release testing applications. The company was formerly known as Genomic Profiling Systems, Inc. and changed its name to Rapid Micro Biosystems, Inc. in January 2007. Rapid Micro Biosystems, Inc. was incorporated in 2006 and is headquartered in Lowell, Massachusetts.
Over the last 12 months, insiders at Rapid Micro Biosystems, Inc. have bought $183,026 and sold $0 worth of Rapid Micro Biosystems, Inc. stock.
On average, over the past 5 years, insiders at Rapid Micro Biosystems, Inc. have bought $1.42M and sold $0 worth of stock each year.
Highest buying activity among insiders over the last 12 months: Kollender Richard S (director) — $50,128. Malloy Kirk (director) — $45,335. PEI MELINDA LITHERLAND (director) — $41,363.
The last purchase of 9,120 shares for transaction amount of $9,484 was made by PEI MELINDA LITHERLAND (director) on 2024‑12‑05.
| 2024-12-05 | PEI MELINDA LITHERLAND | director | 9,120 0.0212% | $1.04 | $9,484 | +128.64% | ||
| 2024-12-03 | PEI MELINDA LITHERLAND | director | 10,880 0.025% | $1.00 | $10,880 | +125.48% | ||
| 2024-11-27 | PEI MELINDA LITHERLAND | director | 19,892 0.0481% | $1.05 | $20,887 | +134.32% | ||
| 2024-11-26 | PEI MELINDA LITHERLAND | director | 108 0.0002% | $1.04 | $112 | +120.95% | ||
| 2024-08-08 | Malloy Kirk | director | 50,000 0.123% | $0.91 | $45,335 | +47.02% | ||
| 2024-08-07 | WIRTJES SEAN M | CHIEF FINANCIAL OFFICER | 10,000 0.0243% | $0.78 | $7,800 | +66.00% | ||
| 2024-08-06 | Spignesi Robert G. Jr. | PRESIDENT AND CEO | 50,000 0.1147% | $0.77 | $38,400 | +58.77% | ||
| 2024-08-06 | Kollender Richard S | director | 65,000 0.1497% | $0.77 | $50,128 | +58.77% | ||
| 2023-09-06 | WIRTJES SEAN M | CHIEF FINANCIAL OFFICER | 10,000 0.024% | $0.99 | $9,894 | -1.64% | ||
| 2023-08-15 | Spignesi Robert G. Jr. | PRESIDENT AND CEO | 20,000 0.046% | $0.97 | $19,488 | -4.00% | ||
| 2023-08-08 | Spignesi Robert G. Jr. | PRESIDENT AND CEO | 34,000 0.0817% | $0.92 | $31,447 | +5.49% | ||
| 2023-05-17 | Spignesi Robert G. Jr. | PRESIDENT AND CEO | 20,000 0.0462% | $0.91 | $18,204 | +6.58% | ||
| 2022-06-02 | CHENE DAVID | 20,602 0.0446% | $4.66 | $96,100 | -62.92% | |||
| 2022-05-27 | CHENE DAVID | 19,414 0.0406% | $4.76 | $92,407 | -58.50% | |||
| 2022-05-25 | CHENE DAVID | 12,396 0.0323% | $4.90 | $60,774 | -49.44% | |||
| 2022-05-17 | CHENE DAVID | 11,125 0.0243% | $3.94 | $43,861 | -43.29% | |||
| 2022-05-16 | Spignesi Robert G. Jr. | President and CEO | 10,000 0.0234% | $3.79 | $37,950 | -35.86% | ||
| 2022-03-10 | LOWENSTEIN INESE | 10,000 0.0262% | $6.95 | $69,500 | -46.34% | |||
| 2021-07-19 | Bain Capital Life Sciences Investors, LLC | 10 percent owner | 100,000 0.2804% | $20.00 | $2M | -59.26% | ||
| 2021-07-19 | Longitude Capital Partners II, LLC | 10 percent owner | 150,000 0.4205% | $20.00 | $3M | -59.26% |
| Spignesi Robert G. Jr. | PRESIDENT AND CEO | 540012 1.232% | $1.69M | 5 | 0 | <0.0001% |
| WIRTJES SEAN M | CHIEF FINANCIAL OFFICER | 348157 0.7943% | $1.09M | 2 | 0 | <0.0001% |
| Kollender Richard S | director | 96718 0.2207% | $302,727.34 | 1 | 0 | |
| Malloy Kirk | director | 64300 0.1467% | $201,259.00 | 1 | 0 | |
| PEI MELINDA LITHERLAND | director | 54300 0.1239% | $169,959.00 | 4 | 0 | |
| Bain Capital Life Sciences Investors, LLC | 10 percent owner | 8434560 19.2431% | $26.4M | 1 | 0 | <0.0001% |
| CHENE DAVID | 2035441 4.6438% | $6.37M | 4 | 0 | <0.0001% | |
| Longitude Capital Partners II, LLC | 10 percent owner | 150000 0.3422% | $469,500.00 | 1 | 0 | <0.0001% |
| LOWENSTEIN INESE | 10000 0.0228% | $31,300.00 | 1 | 0 | <0.0001% |
| Increased Positions | 21 | +105% | 4M | +21.45% |
| Decreased Positions | 8 | -40% | 256,477 | -1.52% |
| New Positions | 13 | New | 2M | New |
| Sold Out Positions | 4 | Sold Out | 164,194 | Sold Out |
| Total Postitions | 33 | +65% | 20M | +19.93% |
| Bain Capital Life Sciences Investors, Llc | $19,906.00 | 21.63% | 8.43M | 0 | 0% | 2024-12-31 |
| Kennedy Lewis Management Lp | $11,658.00 | 12.67% | 4.94M | 0 | 0% | 2024-09-30 |
| Abg-Wtt Global Life Science Capital Partners Gp Ltd | $2,450.00 | 2.66% | 1.04M | 0 | 0% | 2024-12-31 |
| Vanguard Group Inc | $1,702.00 | 1.85% | 721,133 | -5,427 | -0.75% | 2024-12-31 |
| Blackrock, Inc. | $1,515.00 | 1.65% | 642,101 | +69,222 | +12.08% | 2025-03-31 |
| Advent International, L.P. | $1,364.00 | 1.48% | 577,777 | 0 | 0% | 2024-12-31 |
| Renaissance Technologies Llc | $432.00 | 0.47% | 183,087 | +100,942 | +122.88% | 2024-12-31 |
| Geode Capital Management, Llc | $361.00 | 0.39% | 153,112 | +2,454 | +1.63% | 2024-12-31 |
| Citadel Advisors Llc | $170.00 | 0.19% | 72,024 | +72,024 | New | 2024-12-31 |
| Millennium Management Llc | $145.00 | 0.16% | 61,375 | +9,191 | +17.61% | 2024-12-31 |