Greedy Insider
IPSC Insider Trades and Greediness Scores
Century Therapeutics, Inc. (IPSC) insider trades: since Dec 8, 2025, Greedy Insider recorded 2 open-market buys and 31 sales on Form 4 from 4 insiders. The strongest recent filing scored 93 (Strong).
Who bought and who sold
Across the last 33 scoreable Form 4 transactions in IPSC, 2 were open-market purchases and 31 were sales. The table lists the most recent filings with each one's Greediness Score, so the structurally unusual trades are easy to spot first.
| Insider | Role | Type | Shares | Date | Score | ||
|---|---|---|---|---|---|---|---|
| Russotti Gregory | See Remarks | Sell | 2587.0 | 4992.91 | 2026-09-14 | 64 | View |
| Carr Douglas | SVP Finance & Operations | Sell | 1658.0 | 3199.94 | 2026-09-14 | 71 | View |
| Pfeiffenberger Brent | President | Sell | 13850.0 | 26869.0 | 2026-09-11 | 73 | View |
| Carr Douglas | SVP Finance & Operations | Sell | 254.0 | 520.7 | 2026-09-08 | 60 | View |
| Russotti Gregory | See Remarks | Sell | 534.0 | 1094.7 | 2026-09-08 | 55 | View |
| Pfeiffenberger Brent | President | Sell | 463.0 | 976.93 | 2026-09-04 | 65 | View |
| Pfeiffenberger Brent | President | Sell | 31172.0 | 59850.24 | 2026-08-14 | 74 | View |
| Carr Douglas | SVP Finance & Operations | Sell | 275.0 | 543.675 | 2026-08-03 | 54 | View |
| Russotti Gregory | See Remarks | Sell | 2584.0 | 5767.488 | 2026-06-12 | 66 | View |
| Carr Douglas | SVP Finance & Operations | Sell | 1654.0 | 3691.728 | 2026-06-12 | 73 | View |
The strongest recent filing
Pfeiffenberger Brent (President) sold 55,397 shares of Century Therapeutics, Inc. on Mar 11, 2026, a filing that scored 93 (Strong). It scored Strong because a senior insider was trading and it was direct personal ownership. The score describes the filing, not future returns. This is not investment advice.
Cluster activity
A cluster buy is present: 4 insiders (Carr Douglas, Russotti Gregory, Pfeiffenberger Brent, Cowan Chad) traded IPSC the same direction within a 7-day window. Shared conviction is a stronger structural signal than a lone trade.
How this compares with Century Therapeutics, Inc.'s own history
Open-market buys make up 6% of the 33 scoreable IPSC transactions on record between Dec 8, 2025 and Sep 14, 2026. Comparing a filing with the company's own buy/sell mix is how you tell a routine disposal from an unusual accumulation.
Methodology and sources
Scores come from six published, user-adjustable factors (insider role, cluster activity, trade size versus the insider's own history, position impact, filing urgency, and direct versus indirect ownership). The score describes the filing, not future returns. This is not investment advice.
Key facts
- Scoreable Form 4 transactions on record: 33
- Open-market buys: 2
- Sales: 31
- Distinct insiders: 4
- Strongest recent Greediness Score: 93 (Strong)
Primary sources
Related
- Strongest filing
- IPSC in the live feed
- How the Greediness Score works
- What is a cluster buy?
- Form 4 transaction codes
The score describes the filing, not future returns. This is not investment advice.