RPID · Rapid Micro Biosystems Inc. Class A Common Stock
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| KENNEDY LEWIS MANAGEMENT LP 10% Owner | ▲ Buy | Open Market | 2,904,490 Shares held | 6/3/2022 | View profile |
| Robert G. Spignesi Jr. President and CEO | ▲ Buy | Option Exercise | 1,191,973 Shares held | 7/22/2026 | View profile |
| Sean M. Wirtjes Chief Financial Officer | ▲ Buy | Grant | 568,981 Shares held | 5/29/2026 | View profile |
| John J. Addington Wilson Chief Operating Officer | ▼ Sell | Open Market | 316,762 Shares held | 3/11/2026 | View profile |
| Richard S. Kollender Director | ▲ Buy | Option Exercise | 133,826 Shares held | 7/24/2026 | View profile |
| Jonathan Paris Chief Legal Officer | ▲ Buy | Grant | 128,698 Shares held | 3/9/2023 | View profile |
| VEZINA VICTORIA Chief Human Resources Officer | ▼ Sell | Tax Withholding | 112,608 Shares held | 3/11/2024 | View profile |
| Melinda Litherland Pei Director | ▲ Buy | Grant | 100,687 Shares held | 5/29/2026 | View profile |
| Inese Lowenstein Director | ▲ Buy | Grant | 70,687 Shares held | 5/29/2026 | View profile |
| Kirk Malloy Director | ▲ Buy | Grant | 60,687 Shares held | 5/29/2026 | View profile |
| KEYS RICHARD A CHIEF COMMERCIAL OFFICER | ▲ Buy | Grant | 43,750 Shares held | 2/11/2022 | View profile |
| Natale S. Ricciardi Director | ▲ Buy | Option Exercise | 29,442 Shares held | 2/27/2026 | View profile |
| Dafni Bika Director | ▲ Buy | Grant | 19,300 Shares held | 5/21/2026 | View profile |
| Hirsch David Director | ▲ Buy | Grant | 14,300 Shares held | 5/23/2024 | View profile |
| Schwartz Jeffrey Lawrence | ▲ Buy | Grant | 14,300 Shares held | 5/23/2024 | View profile |
| Longitude Capital Partners II, LLC | ▼ Sell | Open Market | 0 Shares held | 2/4/2026 | View profile |
Transaction History
| Richard S. Kollender | ▲ Buy | Option Exercise | 1,681 | $1K | 7/24/2026 |
| Richard S. Kollender | ▲ Buy | Option Exercise | 1,827 | $1K | 7/24/2026 |
| Robert G. Spignesi Jr. | ▲ Buy | Option Exercise | 1,402 | $1K | 7/22/2026 |
| Kirk Malloy | ▲ Buy | Grant | 12,787 | $25K | 5/29/2026 |
| Sean M. Wirtjes | ▲ Buy | Grant | 12,787 | $25K | 5/29/2026 |
| Robert G. Spignesi Jr. | ▲ Buy | Grant | 12,787 | $25K | 5/29/2026 |
| Inese Lowenstein | ▲ Buy | Grant | 12,787 | $25K | 5/29/2026 |
| Melinda Litherland Pei | ▲ Buy | Grant | 12,787 | $25K | 5/29/2026 |
| Kirk Malloy | ▲ Buy | Grant | 19,300 | $0 | 5/21/2026 |
| Inese Lowenstein | ▲ Buy | Grant | 19,300 | $0 | 5/21/2026 |
| Melinda Litherland Pei | ▲ Buy | Grant | 19,300 | $0 | 5/21/2026 |
| Richard S. Kollender | ▲ Buy | Grant | 19,300 | $0 | 5/21/2026 |
| Dafni Bika | ▲ Buy | Grant | 19,300 | $0 | 5/21/2026 |
| John J. Addington Wilson | ▼ Sell | Open Market | 9,603 | $41K | 3/11/2026 |
| Sean M. Wirtjes | ▼ Sell | Open Market | 7,480 | $32K | 3/11/2026 |
| Robert G. Spignesi Jr. | ▼ Sell | Open Market | 17,922 | $74K | 3/10/2026 |
| Natale S. Ricciardi | ▲ Buy | Option Exercise | 842 | $632 | 2/27/2026 |
| John J. Addington Wilson | ▼ Sell | Open Market | 5,403 | $21K | 2/20/2026 |
| Sean M. Wirtjes | ▼ Sell | Open Market | 17,254 | $68K | 2/20/2026 |
| Robert G. Spignesi Jr. | ▼ Sell | Open Market | 38,327 | $149K | 2/19/2026 |
| John J. Addington Wilson | ▲ Buy | Grant | 74,000 | $0 | 2/11/2026 |
| Sean M. Wirtjes | ▲ Buy | Grant | 97,000 | $0 | 2/11/2026 |
| Robert G. Spignesi Jr. | ▲ Buy | Grant | 264,000 | $0 | 2/11/2026 |
| John J. Addington Wilson | ▼ Sell | Open Market | 4,610 | $17K | 2/9/2026 |
| Sean M. Wirtjes | ▼ Sell | Open Market | 6,027 | $23K | 2/9/2026 |
| Robert G. Spignesi Jr. | ▼ Sell | Open Market | 12,840 | $49K | 2/9/2026 |
| Longitude Capital Partners II, LLC | ▼ Sell | Open Market | 49,000 | $190K | 2/4/2026 |
| Longitude Capital Partners II, LLC | ▼ Sell | Open Market | 27,500 | $117K | 2/3/2026 |
| Longitude Capital Partners II, LLC | ▼ Sell | Open Market | 27,500 | $117K | 2/2/2026 |
| Longitude Capital Partners II, LLC | ▼ Sell | Open Market | 46,000 | $209K | 1/30/2026 |
| Longitude Capital Partners II, LLC | ▼ Sell | Other | 629,032 | $31K | 1/23/2026 |
| Longitude Capital Partners II, LLC | ▼ Sell | Open Market | 7,739 | $31K | 1/23/2026 |
| Kirk Malloy | ▼ Sell | Gift | 40,000 | $0 | 11/14/2025 |
| Robert G. Spignesi Jr. | ▼ Sell | Tax Withholding | 2,072 | $6K | 10/17/2025 |
| Robert G. Spignesi Jr. | ▲ Buy | Option Exercise | 3,400 | $3K | 10/17/2025 |
| Robert G. Spignesi Jr. | ▲ Buy | Option Exercise | 7,833 | $6K | 10/17/2025 |
| Robert G. Spignesi Jr. | ▼ Sell | Tax Withholding | 4,774 | $15K | 10/17/2025 |
| Robert G. Spignesi Jr. | ▲ Buy | Option Exercise | 25,145 | $0 | 7/14/2025 |
| Robert G. Spignesi Jr. | ▼ Sell | Open Market | 11,881 | $39K | 7/14/2025 |
| Robert G. Spignesi Jr. | ▲ Buy | Option Exercise | 25,145 | $0 | 7/11/2025 |
| Robert G. Spignesi Jr. | ▼ Sell | Open Market | 11,874 | $39K | 7/11/2025 |
| Robert G. Spignesi Jr. | ▲ Buy | Option Exercise | 25,145 | $0 | 7/10/2025 |
| Robert G. Spignesi Jr. | ▼ Sell | Open Market | 11,617 | $39K | 7/10/2025 |
| Robert G. Spignesi Jr. | ▲ Buy | Option Exercise | 25,144 | $0 | 7/9/2025 |
| Robert G. Spignesi Jr. | ▼ Sell | Open Market | 11,247 | $39K | 7/9/2025 |
| Robert G. Spignesi Jr. | ▲ Buy | Option Exercise | 25,144 | $0 | 7/8/2025 |
| Robert G. Spignesi Jr. | ▼ Sell | Open Market | 10,824 | $38K | 7/8/2025 |
| Inese Lowenstein | ▲ Buy | Grant | 14,300 | $0 | 5/22/2025 |
| Richard S. Kollender | ▲ Buy | Grant | 14,300 | $0 | 5/22/2025 |
| Kirk Malloy | ▲ Buy | Grant | 14,300 | $0 | 5/22/2025 |
| Natale S. Ricciardi | ▲ Buy | Grant | 14,300 | $0 | 5/22/2025 |
| Melinda Litherland Pei | ▲ Buy | Grant | 14,300 | $0 | 5/22/2025 |
| John J. Addington Wilson | ▼ Sell | Tax Withholding | 9,872 | $24K | 3/9/2025 |
| Robert G. Spignesi Jr. | ▼ Sell | Tax Withholding | 10,650 | $25K | 3/9/2025 |
| Sean M. Wirtjes | ▼ Sell | Tax Withholding | 7,690 | $18K | 3/9/2025 |
| Sean M. Wirtjes | ▲ Buy | Grant | 160,000 | $0 | 2/18/2025 |
| Robert G. Spignesi Jr. | ▲ Buy | Grant | 365,000 | $0 | 2/18/2025 |
| John J. Addington Wilson | ▲ Buy | Grant | 44,000 | $0 | 2/18/2025 |
| Robert G. Spignesi Jr. | ▼ Sell | Tax Withholding | 10,755 | $29K | 2/11/2025 |
| John J. Addington Wilson | ▼ Sell | Tax Withholding | 7,075 | $19K | 2/11/2025 |
| Sean M. Wirtjes | ▼ Sell | Tax Withholding | 4,621 | $12K | 2/11/2025 |
| John J. Addington Wilson | ▼ Sell | Tax Withholding | 4,505 | $14K | 2/6/2025 |
| Sean M. Wirtjes | ▼ Sell | Tax Withholding | 5,891 | $18K | 2/6/2025 |
| Robert G. Spignesi Jr. | ▼ Sell | Tax Withholding | 13,052 | $40K | 2/6/2025 |
| Melinda Litherland Pei | ▲ Buy | Open Market | 9,120 | $9K | 12/5/2024 |
| Melinda Litherland Pei | ▲ Buy | Open Market | 10,880 | $11K | 12/3/2024 |
| Melinda Litherland Pei | ▲ Buy | Open Market | 19,892 | $21K | 11/27/2024 |
| Melinda Litherland Pei | ▲ Buy | Open Market | 108 | $112 | 11/26/2024 |
| Kirk Malloy | ▲ Buy | Open Market | 50,000 | $45K | 8/8/2024 |
| Sean M. Wirtjes | ▲ Buy | Open Market | 10,000 | $8K | 8/7/2024 |
| Richard S. Kollender | ▲ Buy | Open Market | 65,000 | $50K | 8/6/2024 |
| Robert G. Spignesi Jr. | ▲ Buy | Open Market | 50,000 | $38K | 8/6/2024 |
| Kirk Malloy | ▲ Buy | Grant | 14,300 | $0 | 5/23/2024 |
| Natale S. Ricciardi | ▲ Buy | Grant | 14,300 | $0 | 5/23/2024 |
| Inese Lowenstein | ▲ Buy | Grant | 14,300 | $0 | 5/23/2024 |
| Melinda Litherland Pei | ▲ Buy | Grant | 14,300 | $0 | 5/23/2024 |
| Richard S. Kollender | ▲ Buy | Grant | 14,300 | $0 | 5/23/2024 |
| Hirsch David | ▲ Buy | Grant | 14,300 | $0 | 5/23/2024 |
| Schwartz Jeffrey Lawrence | ▲ Buy | Grant | 14,300 | $0 | 5/23/2024 |
| John J. Addington Wilson | ▼ Sell | Tax Withholding | 9,569 | $9K | 3/11/2024 |
| VEZINA VICTORIA | ▼ Sell | Tax Withholding | 5,435 | $5K | 3/11/2024 |
| Sean M. Wirtjes | ▼ Sell | Tax Withholding | 7,454 | $7K | 3/11/2024 |
| Robert G. Spignesi Jr. | ▼ Sell | Tax Withholding | 10,323 | $10K | 3/11/2024 |
| VEZINA VICTORIA | ▼ Sell | Tax Withholding | 2,727 | $3K | 2/12/2024 |
| Sean M. Wirtjes | ▼ Sell | Tax Withholding | 3,794 | $4K | 2/12/2024 |
| Robert G. Spignesi Jr. | ▼ Sell | Tax Withholding | 9,365 | $9K | 2/12/2024 |
| John J. Addington Wilson | ▼ Sell | Tax Withholding | 5,809 | $6K | 2/12/2024 |
| VEZINA VICTORIA | ▲ Buy | Grant | 28,000 | $0 | 2/6/2024 |
| John J. Addington Wilson | ▲ Buy | Grant | 39,000 | $0 | 2/6/2024 |
| Robert G. Spignesi Jr. | ▲ Buy | Grant | 113,000 | $0 | 2/6/2024 |
| Sean M. Wirtjes | ▲ Buy | Grant | 51,000 | $0 | 2/6/2024 |
| Sean M. Wirtjes | ▲ Buy | Open Market | 10,000 | $10K | 9/6/2023 |
| Robert G. Spignesi Jr. | ▲ Buy | Open Market | 20,000 | $19K | 8/15/2023 |
| Robert G. Spignesi Jr. | ▲ Buy | Open Market | 34,000 | $31K | 8/8/2023 |
| Robert G. Spignesi Jr. | ▲ Buy | Open Market | 14,700 | $13K | 5/17/2023 |
| Robert G. Spignesi Jr. | ▲ Buy | Open Market | 1,400 | $1K | 5/17/2023 |
| Robert G. Spignesi Jr. | ▲ Buy | Open Market | 100 | $92 | 5/17/2023 |
| Robert G. Spignesi Jr. | ▲ Buy | Open Market | 300 | $279 | 5/17/2023 |
| Robert G. Spignesi Jr. | ▲ Buy | Open Market | 3,000 | $3K | 5/17/2023 |
| Robert G. Spignesi Jr. | ▲ Buy | Open Market | 200 | $178 | 5/17/2023 |
| Robert G. Spignesi Jr. | ▲ Buy | Open Market | 100 | $92 | 5/17/2023 |
| Robert G. Spignesi Jr. | ▲ Buy | Open Market | 100 | $93 | 5/17/2023 |
| Robert G. Spignesi Jr. | ▲ Buy | Open Market | 100 | $90 | 5/17/2023 |
| John J. Addington Wilson | ▲ Buy | Grant | 100,900 | $0 | 3/9/2023 |
| Robert G. Spignesi Jr. | ▲ Buy | Grant | 108,850 | $0 | 3/9/2023 |
| Sean M. Wirtjes | ▲ Buy | Grant | 78,600 | $0 | 3/9/2023 |
| Jonathan Paris | ▲ Buy | Grant | 86,700 | $0 | 3/9/2023 |
| VEZINA VICTORIA | ▲ Buy | Grant | 57,300 | $0 | 3/9/2023 |
| Robert G. Spignesi Jr. | ▼ Sell | Tax Withholding | 11,406 | $15K | 2/13/2023 |
| Jonathan Paris | ▼ Sell | Tax Withholding | 5,054 | $7K | 2/13/2023 |
| Sean M. Wirtjes | ▼ Sell | Tax Withholding | 4,621 | $6K | 2/13/2023 |
| VEZINA VICTORIA | ▼ Sell | Tax Withholding | 3,321 | $4K | 2/13/2023 |
| John J. Addington Wilson | ▼ Sell | Tax Withholding | 7,075 | $9K | 2/13/2023 |
| KENNEDY LEWIS MANAGEMENT LP | ▲ Buy | Open Market | 20,602 | $96K | 6/3/2022 |
| KENNEDY LEWIS MANAGEMENT LP | ▲ Buy | Open Market | 29,398 | $137K | 6/3/2022 |
| KENNEDY LEWIS MANAGEMENT LP | ▲ Buy | Open Market | 4,162 | $21K | 6/2/2022 |
| KENNEDY LEWIS MANAGEMENT LP | ▲ Buy | Open Market | 5,938 | $30K | 6/2/2022 |
| KENNEDY LEWIS MANAGEMENT LP | ▲ Buy | Open Market | 19,414 | $92K | 6/1/2022 |
| KENNEDY LEWIS MANAGEMENT LP | ▲ Buy | Open Market | 27,703 | $132K | 6/1/2022 |
| KENNEDY LEWIS MANAGEMENT LP | ▲ Buy | Open Market | 8,241 | $42K | 5/31/2022 |
| KENNEDY LEWIS MANAGEMENT LP | ▲ Buy | Open Market | 11,759 | $60K | 5/31/2022 |
| KENNEDY LEWIS MANAGEMENT LP | ▲ Buy | Open Market | 618 | $3K | 5/27/2022 |
| KENNEDY LEWIS MANAGEMENT LP | ▲ Buy | Open Market | 882 | $5K | 5/27/2022 |
| KENNEDY LEWIS MANAGEMENT LP | ▲ Buy | Open Market | 8,687 | $43K | 5/26/2022 |
| KENNEDY LEWIS MANAGEMENT LP | ▲ Buy | Open Market | 12,396 | $61K | 5/26/2022 |
| KENNEDY LEWIS MANAGEMENT LP | ▲ Buy | Open Market | 16,933 | $74K | 5/25/2022 |
| KENNEDY LEWIS MANAGEMENT LP | ▲ Buy | Open Market | 11,867 | $52K | 5/25/2022 |
| KENNEDY LEWIS MANAGEMENT LP | ▲ Buy | Open Market | 11,125 | $44K | 5/18/2022 |
| KENNEDY LEWIS MANAGEMENT LP | ▲ Buy | Open Market | 15,875 | $63K | 5/18/2022 |
| KENNEDY LEWIS MANAGEMENT LP | ▲ Buy | Open Market | 40,873 | $169K | 5/17/2022 |
| KENNEDY LEWIS MANAGEMENT LP | ▲ Buy | Open Market | 28,643 | $118K | 5/17/2022 |
| Robert G. Spignesi Jr. | ▲ Buy | Open Market | 10,000 | $38K | 5/16/2022 |
| Sean M. Wirtjes | ▲ Buy | Option Exercise | 10,000 | $10K | 3/17/2022 |
| Robert G. Spignesi Jr. | ▲ Buy | Option Exercise | 35,000 | $35K | 3/14/2022 |
| Inese Lowenstein | ▲ Buy | Open Market | 10,000 | $70K | 3/10/2022 |
| VEZINA VICTORIA | ▲ Buy | Grant | 28,750 | $0 | 2/11/2022 |
| John J. Addington Wilson | ▲ Buy | Grant | 61,250 | $0 | 2/11/2022 |
| Sean M. Wirtjes | ▲ Buy | Grant | 40,000 | $0 | 2/11/2022 |
| Jonathan Paris | ▲ Buy | Grant | 43,750 | $0 | 2/11/2022 |
| Robert G. Spignesi Jr. | ▲ Buy | Grant | 98,750 | $0 | 2/11/2022 |
| KEYS RICHARD A | ▲ Buy | Grant | 43,750 | $0 | 2/11/2022 |
| Richard S. Kollender | ▼ Sell | Other | 107,816 | $5K | 9/9/2021 |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
September 28, 2026
RPID Presents at Small-Cap Virtual Conference
Rapid Micro Biosystems presented at a small‑cap virtual conference, sharing updates on its product pipeline and business strategy. The event offered investors a chance to hear directly from management about recent progress and future plans. The presentation follows the company’s recent trading activity, with an RSI of 31.3 and support near $1.66.
RPID Presents at Small-Cap Virtual Conference. Rapid Micro Biosystems presented at a small‑cap virtual conference, sharing updates on its product pipeline and business strategy. The event offered investors a chance to hear directly from management about recent progress and future plans. The presentation follows the company’s recent trading activity, with an RSI of 31.3 and support near $1.66.