What Rapid Micro Biosystems, Inc.'s executives and directors are doing with their own shares, from SEC Form 3/4/5 filings — separating what the filings state (awards, withholding, disclosed plans) from what only the pattern of dates shows.
| 3 months | 12 months | |
|---|---|---|
| Open-market buys | 0 | 0 |
| Sells | 0 | 14 |
| Total trades | 0 | 33 |
| 3 months | 12 months | |
|---|---|---|
| Acquired | 0 | 0 |
| Disposed | 0 | 0 |
| Net activity | +0 | +0 |
Common stock only — 33 reported trades in the last 12 months are in a security these totals do not cover.
View rich charts and dive into the patterns of specific insiders — who is accumulating, who is winding down, and which sale explanations the filings actually support.
| Insider | Relation | Date | Transaction | Shares | Price | Value | Shares held |
|---|---|---|---|---|---|---|---|
| Kollender Richard S | Director | Jul 24 | Exercise / conversion · M | +1,827 | $0.75 | +$1.37K | 133,826 |
| Kollender Richard S | Director | Jul 24 | Exercise / conversion · M | +1,681 | $0.75 | +$1.26K | 131,999 |
| Spignesi Robert G. Jr. | PRESIDENT AND CEO | Jul 22 | Exercise / conversion · M | +1,402 | $0.75 | +$1.05K | 1,191,973 |
| Wirtjes Sean M | CHIEF FINANCIAL OFFICER | May 29 | Grant / award · A | +12,787 | $1.96 | +$25K | 568,981 |
| Malloy Kirk | Director | May 29 | Grant / award · A | +12,787 | $1.96 | +$25K | 60,687 |
| Pei Melinda Litherland | Director | May 29 | Grant / award · A | +12,787 | $1.96 | +$25K | 100,687 |
| Spignesi Robert G. Jr. | PRESIDENT AND CEO | May 29 | Grant / award · A | +12,787 | $1.96 | +$25K | 1,190,571 |
| Lowenstein Inese | Director | May 29 | Grant / award · A | +12,787 | $1.96 | +$25K | 70,687 |
| Malloy Kirk | Director | May 21 | Grant / award · A | +19,300 | — | — | 47,900 |
| Kollender Richard S | Director | May 21 | Grant / award · A | +19,300 | — | — | 130,318 |
| Pei Melinda Litherland | Director | May 21 | Grant / award · A | +19,300 | — | — | 87,900 |
| Lowenstein Inese | Director | May 21 | Grant / award · A | +19,300 | — | — | 57,900 |
| Bika Dafni | Director | May 21 | Grant / award · A | +19,300 | — | — | 19,300 |
| Wirtjes Sean M | CHIEF FINANCIAL OFFICER | Mar 11 | Sale for tax withholding · S | −7,480 | $4.32 | −$32.3K | 556,194 |
| Wilson John J. Addington | CHIEF OPERATING OFFICER | Mar 11 | Sale for tax withholding · S | −9,603 | $4.32 | −$41.5K | 316,762 |
| Spignesi Robert G. Jr. | PRESIDENT AND CEO | Mar 10 | Sale for tax withholding · S | −17,922 | $4.11 | −$73.7K | 1,169,848 |
| Riccardi Natale S | Director | Feb 27 | Exercise / conversion · M | +842 | $0.75 | +$632 | 29,442 |
| Wirtjes Sean M | CHIEF FINANCIAL OFFICER | Feb 20 | Sale for tax withholding · S | −17,254 | $3.92 | −$67.7K | 563,674 |
| Wilson John J. Addington | CHIEF OPERATING OFFICER | Feb 20 | Sale for tax withholding · S | −5,403 | $3.92 | −$21.2K | 326,365 |
| Spignesi Robert G. Jr. | PRESIDENT AND CEO | Feb 19 | Sale for tax withholding · S | −38,327 | $3.89 | −$149K | 1,187,770 |
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