RAPID MICRO BIOSYSTEMS, INC. (RPID)

Latest Insider Confidence Score

2026Q1

43.1
Bearish

Company insider confidence (by quarter)

2021Q3 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Schwartz Jeffrey Lawrence Director 8,434,560 May 28, 2024
Richman Darren 10% Owner 2,904,490 Jun 6, 2022
Kennedy Lewis GP III LLC 10% Owner 2,904,490 Jun 6, 2022
Kennedy Lewis Investment Holdings II LLC 10% Owner 2,904,490 Jun 6, 2022
Chene David 10% Owner 2,904,490 Jun 6, 2022

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 27, 2026 Mar 2, 2026 RICCIARDI NATALE S Director Neutral 52.5 - 0.00% ✗ -
Feb 20, 2026 Feb 20, 2026 Wilson John J. Addington COO Sell 26.3 -5,403 -1.63% ✗ $21.2K
Feb 20, 2026 Feb 20, 2026 WIRTJES SEAN M CFO Sell 22.5 -17,254 -2.97% ✗ $67.7K
Feb 19, 2026 Feb 20, 2026 Spignesi Robert G. Jr. CEO Sell 22.5 -38,327 -3.13% ✗ $148.9K
Feb 11, 2026 Feb 13, 2026 Wilson John J. Addington COO Neutral 90.0 +74,000 28.71% ✗ -
Feb 11, 2026 Feb 13, 2026 WIRTJES SEAN M CFO Neutral 90.0 +97,000 20.04% ✗ -
Feb 11, 2026 Feb 13, 2026 Spignesi Robert G. Jr. CEO Neutral 90.0 +264,000 27.44% ✗ -
Feb 9, 2026 Feb 10, 2026 Wilson John J. Addington COO Sell 26.3 -4,610 -1.76% ✗ $17.4K
Feb 9, 2026 Feb 10, 2026 WIRTJES SEAN M CFO Sell 26.3 -6,027 -1.23% ✗ $22.8K
Feb 9, 2026 Feb 10, 2026 Spignesi Robert G. Jr. CEO Sell 26.3 -12,840 -1.32% ✗ $48.6K
Feb 4, 2026 Feb 6, 2026 Longitude Capital Partners II, LLC 10% Owner Sell 22.5 -49,000 -1.20% ✗ $190.1K
Jan 23, 2026 Feb 3, 2026 Longitude Capital Partners II, LLC 10% Owner Sell 20.0 -108,739 -2.60% ✗ $473.9K
Nov 14, 2025 Nov 18, 2025 Malloy Kirk Director Neutral 27.5 -40,000 -50.89% ✗ -
Oct 17, 2025 Oct 21, 2025 Spignesi Robert G. Jr. CEO Sell 51.3 -6,846 -0.35% ✗ $21.1K
Jul 11, 2025 Jul 15, 2025 Spignesi Robert G. Jr. CEO Sell 42.5 -23,755 -1.22% ✗ $79K
Jul 8, 2025 Jul 10, 2025 Spignesi Robert G. Jr. CEO Sell 42.5 -33,688 -1.22% ✗ $117K
May 22, 2025 May 27, 2025 Bika Dafni Director Neutral 52.5 - 0.00% ✗ -
May 27, 2025 Bika Dafni Director Neutral 52.5 - 0.00% ✗ -
May 22, 2025 May 27, 2025 LOWENSTEIN INESE Director Neutral 90.0 +14,300 58.85% ✗ -
May 22, 2025 May 27, 2025 PEI MELINDA LITHERLAND Director Neutral 90.0 +14,300 26.34% ✗ -
May 22, 2025 May 27, 2025 Kollender Richard S Director Neutral 90.0 +14,300 14.79% ✗ -
May 22, 2025 May 27, 2025 Malloy Kirk Director Neutral 90.0 +14,300 22.24% ✗ -
May 22, 2025 May 27, 2025 RICCIARDI NATALE S Director Neutral 90.0 +14,300 100.00% ✗ -
Mar 9, 2025 Mar 11, 2025 Spignesi Robert G. Jr. CEO Sell 46.3 -10,650 -1.21% ✗ $25.5K
Mar 9, 2025 Mar 11, 2025 WIRTJES SEAN M CFO Sell 46.3 -7,690 -1.55% ✗ $18.4K
Mar 9, 2025 Mar 11, 2025 Wilson John J. Addington COO Sell 46.3 -9,872 -4.07% ✗ $23.6K
Feb 18, 2025 Feb 20, 2025 Wilson John J. Addington COO Neutral 90.0 +44,000 22.18% ✗ -
Feb 18, 2025 Feb 20, 2025 WIRTJES SEAN M CFO Neutral 90.0 +160,000 47.39% ✗ -
Feb 18, 2025 Feb 20, 2025 Spignesi Robert G. Jr. CEO Neutral 90.0 +365,000 70.46% ✗ -
Feb 11, 2025 Feb 13, 2025 Wilson John J. Addington COO Sell 46.3 -7,075 -3.44% ✗ $19K
Feb 11, 2025 Feb 13, 2025 WIRTJES SEAN M CFO Sell 46.3 -4,621 -1.35% ✗ $12.4K
Feb 11, 2025 Feb 13, 2025 Spignesi Robert G. Jr. CEO Sell 46.3 -10,755 -2.04% ✗ $28.8K
Feb 6, 2025 Feb 7, 2025 Wilson John J. Addington COO Sell 46.3 -4,505 -2.15% ✗ $14K
Feb 6, 2025 Feb 7, 2025 WIRTJES SEAN M CFO Sell 46.3 -5,891 -1.69% ✗ $18.3K
Feb 6, 2025 Feb 7, 2025 Spignesi Robert G. Jr. CEO Sell 46.3 -13,052 -2.42% ✗ $40.5K
Dec 3, 2024 Dec 5, 2024 PEI MELINDA LITHERLAND Director Buy 91.3 +20,000 58.31% ✗ $20.4K
Nov 26, 2024 Nov 27, 2024 PEI MELINDA LITHERLAND Director Buy 91.3 +20,000 139.86% ✗ $21K
Aug 8, 2024 Aug 9, 2024 Malloy Kirk Director Buy 91.3 +50,000 349.65% ✗ $45.3K
Aug 7, 2024 Aug 8, 2024 WIRTJES SEAN M CFO Buy 82.5 +10,000 2.96% ✗ $7.8K
Aug 6, 2024 Aug 7, 2024 Kollender Richard S Director Buy 95.0 +65,000 204.93% ✗ $50.1K
Aug 6, 2024 Aug 7, 2024 Spignesi Robert G. Jr. CEO Buy 91.3 +50,000 10.20% ✗ $38.4K
May 23, 2024 May 28, 2024 RICCIARDI NATALE S Director Neutral 90.0 +14,300 100.00% ✗ -
May 23, 2024 May 28, 2024 LOWENSTEIN INESE Director Neutral 90.0 +14,300 143.00% ✗ -
May 23, 2024 May 28, 2024 PEI MELINDA LITHERLAND Director Neutral 90.0 +14,300 100.00% ✗ -
May 23, 2024 May 28, 2024 Kollender Richard S Director Neutral 90.0 +14,300 82.10% ✗ -
May 23, 2024 May 28, 2024 Malloy Kirk Director Neutral 90.0 +14,300 100.00% ✗ -
May 23, 2024 May 28, 2024 Hirsch David Director Neutral 90.0 +14,300 100.00% ✗ -
May 23, 2024 May 28, 2024 Schwartz Jeffrey Lawrence Director Neutral 55.0 +14,300 0.17% ✗ -
Mar 11, 2024 Mar 12, 2024 Wilson John J. Addington COO Sell 47.5 -9,569 -4.83% ✗ $9.4K
Mar 11, 2024 Mar 12, 2024 VEZINA VICTORIA CHIEF HUMAN RESOURCES OFFICER Sell 47.5 -5,435 -4.60% ✗ $5.3K
Mar 11, 2024 Mar 12, 2024 WIRTJES SEAN M CFO Sell 47.5 -7,454 -2.24% ✗ $7.3K
Mar 11, 2024 Mar 12, 2024 Spignesi Robert G. Jr. CEO Sell 46.3 -10,323 -2.15% ✗ $10.1K
Feb 12, 2024 Feb 14, 2024 Wilson John J. Addington COO Sell 47.5 -5,809 -2.85% ✗ $5.6K
Feb 12, 2024 Feb 14, 2024 VEZINA VICTORIA CHIEF HUMAN RESOURCES OFFICER Sell 47.5 -2,727 -2.26% ✗ $2.6K
Feb 12, 2024 Feb 14, 2024 WIRTJES SEAN M CFO Sell 47.5 -3,794 -1.13% ✗ $3.6K
Feb 12, 2024 Feb 14, 2024 Spignesi Robert G. Jr. CEO Sell 47.5 -9,365 -1.92% ✗ $9K
Feb 6, 2024 Feb 8, 2024 WIRTJES SEAN M CFO Neutral 90.0 +51,000 17.85% ✗ -
Feb 6, 2024 Feb 8, 2024 Wilson John J. Addington COO Neutral 90.0 +39,000 23.62% ✗ -
Feb 6, 2024 Feb 8, 2024 VEZINA VICTORIA CHIEF HUMAN RESOURCES OFFICER Neutral 90.0 +28,000 30.18% ✗ -
Feb 6, 2024 Feb 8, 2024 Spignesi Robert G. Jr. CEO Neutral 90.0 +113,000 30.09% ✗ -
Sep 6, 2023 Sep 8, 2023 WIRTJES SEAN M CFO Buy 82.5 +10,000 3.63% ✗ $9.9K
Aug 15, 2023 Aug 16, 2023 Spignesi Robert G. Jr. CEO Buy 86.3 +20,000 5.63% ✗ $19.5K
Aug 8, 2023 Aug 10, 2023 Spignesi Robert G. Jr. CEO Buy 91.3 +34,000 10.58% ✗ $31.4K
Jul 14, 2023 Jul 18, 2023 Malloy Kirk Director Neutral 52.5 - 0.00% ✗ -
Jul 18, 2023 Malloy Kirk Director Neutral 52.5 - 0.00% ✗ -
May 17, 2023 May 18, 2023 Spignesi Robert G. Jr. CEO Buy 68.8 +20,000 0.72% ✗ $18.2K
May 4, 2023 May 5, 2023 Schwartz Jeffrey Lawrence Director Neutral 52.5 - 0.00% ✗ -
May 4, 2023 May 5, 2023 RICCIARDI NATALE S Director Neutral 52.5 - 0.00% ✗ -
May 4, 2023 May 5, 2023 LOWENSTEIN INESE Director Neutral 52.5 - 0.00% ✗ -
May 4, 2023 May 5, 2023 PEI MELINDA LITHERLAND Director Neutral 52.5 - 0.00% ✗ -
May 4, 2023 May 5, 2023 Kollender Richard S Director Neutral 52.5 - 0.00% ✗ -
May 4, 2023 May 5, 2023 Hirsch David Director Neutral 52.5 - 0.00% ✗ -
Mar 9, 2023 Mar 13, 2023 VEZINA VICTORIA CHIEF HUMAN RESOURCES OFFICER Neutral 90.0 +57,300 199.44% ✗ -
Mar 9, 2023 Mar 13, 2023 Wilson John J. Addington COO Neutral 90.0 +100,900 175.55% ✗ -
Mar 9, 2023 Mar 13, 2023 Spignesi Robert G. Jr. CEO Neutral 90.0 +108,850 58.55% ✗ -
Mar 9, 2023 Mar 13, 2023 WIRTJES SEAN M CFO Neutral 90.0 +78,600 41.30% ✗ -
Mar 9, 2023 Mar 13, 2023 Paris Jonathan SVP, GENERAL COUNSEL Neutral 90.0 +86,700 206.44% ✗ -
Feb 13, 2023 Feb 15, 2023 Spignesi Robert G. Jr. CEO Sell 46.3 -11,406 -5.78% ✗ $14.8K
Feb 13, 2023 Feb 15, 2023 Paris Jonathan SVP, GC & Secretary Sell 47.5 -5,054 -10.74% ✗ $6.6K
Feb 13, 2023 Feb 15, 2023 WIRTJES SEAN M CFO Sell 47.5 -4,621 -2.37% ✗ $6K
Feb 13, 2023 Feb 15, 2023 VEZINA VICTORIA Chief Human Resources Officer Sell 47.5 -3,321 -10.36% ✗ $4.3K
Feb 13, 2023 Feb 15, 2023 Wilson John J. Addington COO Sell 47.5 -7,075 -10.96% ✗ $9.2K
May 23, 2022 Jun 10, 2022 Schwartz Jeffrey Lawrence Director Neutral 52.5 - 0.00% ✗ -
May 23, 2022 Jun 10, 2022 RICCIARDI NATALE S Director Neutral 52.5 - 0.00% ✗ -
May 23, 2022 Jun 10, 2022 Kollender Richard S Director Neutral 52.5 - 0.00% ✗ -
May 23, 2022 Jun 10, 2022 Hirsch David Director Neutral 52.5 - 0.00% ✗ -
May 23, 2022 Jun 10, 2022 PEI MELINDA LITHERLAND Director Neutral 52.5 - 0.00% ✗ -
Jun 2, 2022 Jun 6, 2022 KENNEDY LEWIS MANAGEMENT LP 10% Owner Buy 75.0 +60,100 0.62% ✗ $283.6K
May 27, 2022 Jun 1, 2022 KENNEDY LEWIS MANAGEMENT LP 10% Owner Buy 67.5 +68,617 0.47% ✗ $334.4K
May 25, 2022 May 26, 2022 KENNEDY LEWIS MANAGEMENT LP 10% Owner Buy 72.5 +49,883 0.52% ✗ $228.9K
May 17, 2022 May 19, 2022 KENNEDY LEWIS MANAGEMENT LP 10% Owner Buy 85.0 +96,516 1.03% ✗ $393.8K
May 19, 2022 KENNEDY LEWIS MANAGEMENT LP 10% Owner Neutral 52.5 - 0.00% ✗ -
May 16, 2022 May 18, 2022 Spignesi Robert G. Jr. CEO Buy 86.3 +10,000 5.43% ✗ $38K
Mar 17, 2022 Mar 21, 2022 WIRTJES SEAN M CFO Neutral 52.5 - 0.00% ✗ -
Mar 14, 2022 Mar 15, 2022 Spignesi Robert G. Jr. CEO Neutral 52.5 - 0.00% ✗ -
Mar 10, 2022 Mar 14, 2022 LOWENSTEIN INESE Director Buy 95.0 +10,000 100.00% ✗ $69.5K
Feb 11, 2022 Feb 15, 2022 Wilson John J. Addington COO Neutral 90.0 +61,250 100.00% ✗ -
Feb 11, 2022 Feb 15, 2022 WIRTJES SEAN M CFO Neutral 90.0 +40,000 28.24% ✗ -
Feb 11, 2022 Feb 15, 2022 VEZINA VICTORIA Chief Human Resources Officer Neutral 90.0 +28,750 100.00% ✗ -
Feb 11, 2022 Feb 15, 2022 Paris Jonathan Senior VP and General Counsel Neutral 90.0 +43,750 100.00% ✗ -