Ask OQRO reads the filings behind this page and answers in plain words, with a link to each source.
Ask OQRO is part of OQRO Pro. Everything else on OQRO is free.
Cookies
Only to see which pages are hard to use, so we can fix them. Nothing is used for ads, and what you type stays hidden (Microsoft Clarity, PostHog). Privacy Policy
Decline Accept
Home › Insider trades › Century Therapeutics › 14K IPSC shares were withheld to cover taxes or exercise cost (CEO) Insider trades
Why it stands out Routine share withholding; mechanical by default.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell.
All the details
Dates, kept separate
Transaction date Sep 11, 2026
Reporting period Not applicable
Filed with the SEC Sep 15, 2026 CEO Tax withholding
Context Classification tax withholding
Code F — shares delivered to pay exercise price or tax liability
Planned / mechanical clue Tax mechanics (code F)
Only flagged when a footnote says so; never inferred
Source receipt
Record ID 0002001162-26-000018
Filed / recorded
Sep 15, 2026, 10:23 PM UTC
Added to OQRO Oct 7, 2026, 11:38 PM UTC
Data quality Verified: identifiers matched exactly
Issuer Century Therapeutics, Inc.
Reporting person Brent Pfeiffenberger
Relationship Director, Officer
Officer title President and CEO
Table Non-derivative (Table I)
Transaction date Sep 11, 2026
Acquired / disposed Disposed (D)
Shares owned after 3,633,839
Footnotes from the filing Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units. The story around this disclosure Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.
Aug 3, 2026 Insider Officer sold ~$544 of IPSC shares in the open market Aug 12, 2026 Company filing · Form 8-K · Results, Reg FD Reported its results, and shared information with investors Sep 8, 2026 Insider · 2 people Insiders: 2 sales (~$2K) Sep 9, 2026 Company filing · Form 8-K · Executive change, Reg FD Changed a top executive or board member, and shared information with investors “On September 9, 2026, the Board of Directors (the “Board”) of Century Therapeutics, Inc. (the “Company”), upon the recommendation of the Nominating and Corporate Governance Committee of the Board, increased its size from six to seven directors and appointed Mr. Joseph Truitt as a member of the Board, effective as of September 9, 2026 (the “Effective Date”).” What came next Sep 14, 2026 Insider · 2 people Insiders: 2 sales (~$8K) Nov 3, 2026 Insider Officer sold ~$404 of IPSC shares in the open market Nov 12, 2026 Company filing · Form 8-K · Results Reported its results