Insiders / Konstantinov Konstantin
Konstantinov Konstantin
CIK 1774649personinsider
Companies
2
First seen
Jan 26, 2021
Last activity
May 18, 2026
Holdings
2 companies · 4 positionsView all →
| Company / security | Shares held | Latest |
|---|---|---|
| Codiak BioSciences, Inc. · CDAK | 0 | — |
| Restricted units | 8,400 | Feb 16, 2023 |
| Options | 145,000 | Jan 24, 2023 |
| Repligen Corp · RGEN | 3,889 | — |
| Common stock | 3,889 | May 14, 2026 |
| Options | 2,239 | May 14, 2026 |
Ownership percentages elsewhere on the site count common and ordinary shares only, because that is what shares outstanding are measured in. Everything above is a real holding; not all of it is a share of the company.
Activity
InsidersInstitutions
This person's trades in company stock, across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Jun 8, 2021 | Sell Open-market sale | CDAK Codiak BioSciences, Inc. Common Stock | $160.1K | -6K -86.20% | 1,004 | medium |
| Jun 8, 2021 | Sell Open-market sale | CDAK Codiak BioSciences, Inc. Common Stock | $26.1K | -1K -100.00% | 0 | low |
| Jun 8, 2021 | Exercise Option exercise | CDAK Codiak BioSciences, Inc. Common Stock | $23.9K | +7K | 7,276 | low |
| Aug 17, 2022 | Sell Open-market sale | CDAK Codiak BioSciences, Inc. |