Innventure Hands the CEO Job to William Grieco on Sept. 1

Innventure Inc. (INV) said Monday that William Grieco will become chief executive officer and a director effective September 1, 2026, succeeding Bill Haskell, and that the company has begun a search for a new chief financial officer.

Innventure Inc. (NASDAQ: INV) is changing both halves of its executive suite at once. The industrial growth company said Monday that William Grieco will take over as chief executive officer and join the board effective September 1, 2026, replacing Bill Haskell. In the same announcement, Innventure said it has begun a search for a new chief financial officer.

Two top seats moving in the same breath is a different signal from a single retirement. A CEO handover on its own can be succession planning years in the making. A CEO handover paired with an open CFO search usually means the board is resetting how the company is run and how it talks to the market, not just who signs the letters.

What Innventure actually does

Innventure describes itself as an industrial growth company. That model — founding, funding and scaling businesses built around technologies sourced from large corporate partners — is capital-hungry by design. Value shows up years after the spend, which puts unusual weight on two things: the credibility of the operator running the portfolio, and the discipline of the person controlling the cash.

That is why the CFO vacancy matters at least as much as the CEO change here. For a company whose story rests on funding early-stage industrial ventures to commercial scale, the finance chief is not a back-office appointment. Investors will read the eventual hire — an operator versus a capital-markets specialist — as a statement about which direction the board wants to take.

A change arriving after a hard session for the stock

The timing is unforgiving. Innventure last traded at 1.28 as of 20:00 GMT on Friday, August 28, down 12.33% on the day from a prior close of 1.46, with a session range of 1.26 to 1.47. The close sat within a few cents of the session low, which is the shape of a day where sellers set the price into the bell rather than a dip that found buyers.

The wider market that Friday was quiet by comparison. The S&P 500 tracker (SPY) closed at $769.39, off 0.22%; the Nasdaq 100 fund (QQQ) finished at $716.47, down 0.64%; and the Dow tracker (DIA) was essentially flat at $535.10, a 0.02% decline. Innventure's move was therefore company-specific, not a tide going out. Whatever pressure the shares were under going into the weekend, it was not being applied to large-cap benchmarks.

At a share price near a dollar and change, arithmetic gets brutal in both directions. Percentage moves are large on small absolute changes, index inclusion and institutional mandates come into question, and listing-standard thresholds start to feature in investor conversations. A new chief executive stepping in on September 1 inherits that context on day one.

What the board is asking Grieco to fix

The announcement, reported by Nasdaq Markets, sets a hard effective date rather than a transition window. Grieco becomes CEO and a director on September 1 — the day after the news. Companies that intend a long, overlapping handoff usually say so. A next-day effective date reads as a board that wants the change done, not phased.

Adding the incoming CEO to the board at the same moment is its own detail. It gives Grieco a vote and a seat in the room where capital allocation gets decided, rather than a reporting line into it. For a company that has to keep choosing which ventures get funded and which do not, that combination concentrates authority quickly.

Bill Haskell's departure from the top job was not accompanied, in the announcement, by any statement of a future role. Readers should not infer one either way.

The CFO search is the number to watch

Search processes at small caps take time, and the interim arrangement — who signs the next set of financial statements — becomes an immediate practical question. Three things are worth tracking:

How long the seat stays open. A quick appointment suggests the board had a candidate lined up. A months-long gap suggests it did not, and that finance leadership is being recruited into an uncertain situation.
The profile of the hire. A restructuring or turnaround CFO points to balance-sheet work. A growth-company CFO with capital-markets experience points to fundraising.
What Grieco says first. The first public commentary from a new CEO — on strategy, on the portfolio, on cash — typically resets the market's model faster than any single quarter's numbers.

How to frame the risk from here

Leadership change at a company trading around 1.28 is a high-variance event. New management can re-cut the cost base, narrow the portfolio and reset expectations to something achievable; that is the bull case, and it is why turnaround investors watch for exactly this kind of announcement. The bear case is equally simple: executive churn at a cash-consuming business can itself become the story, complicating financing on terms the existing shareholder base would accept.

Nothing in Monday's announcement resolves that. It names a CEO, sets a date, and opens a search. The information that would actually move the analysis — the CFO hire, the first strategic statement from Grieco, and the next disclosure of cash position and burn — is still ahead. Investors sizing a position should treat the September 1 date as the start of the evaluation window rather than the end of the uncertainty.

For now, the verifiable facts are narrow and worth restating plainly: William Grieco becomes chief executive officer and a director of Innventure on September 1, 2026; he succeeds Bill Haskell; and the company is looking for a new chief financial officer. Everything else is inference until the company says more.

Key facts

Incoming CEO: William Grieco, effective September 1, 2026, also joining the board
Outgoing CEO: Bill Haskell
INV last close: 1.28, down 12.33% from a prior close of 1.46, as of 20:00 GMT Fri, Aug 28, 2026
Also announced: Search begun for a new chief financial officer

Frequently asked questions

Who is taking over as CEO of Innventure?

William Grieco. Innventure announced on Monday that Grieco will become chief executive officer and a director of the company effective September 1, 2026. He succeeds Bill Haskell in the chief executive role. The company did not, in the announcement, describe a transition period or an ongoing role for Haskell.

Why does the CFO search matter as much as the CEO change?

Innventure is an industrial growth company, a model that involves funding and scaling businesses over multi-year horizons. That makes the finance chief central to capital allocation and financing decisions rather than a purely administrative post. The profile of whoever is hired will signal whether the board is prioritising balance-sheet discipline or growth funding.

Where was Innventure stock before the announcement?

Innventure last traded at 1.28 as of 20:00 GMT on Friday, August 28, 2026, down 12.33% on the day from a prior close of 1.46. The session range was 1.26 to 1.47, meaning the stock finished near the low of the day rather than recovering into the close.

Was the drop in Innventure shares part of a broader market selloff?

No. On the same session, the S&P 500 tracker closed at $769.39, down 0.22%; the Nasdaq 100 fund finished at $716.47, down 0.64%; and the Dow tracker was effectively flat at $535.10. The scale of the move in Innventure shares was company-specific rather than a market-wide decline.

When does the new chief executive formally take over?

September 1, 2026. That is the effective date stated in the company's Monday announcement, giving essentially no overlap between the announcement and the handover. Grieco also joins the board of directors on the same date, giving him a vote on capital allocation decisions immediately.

What should investors watch next?

Three items: how quickly Innventure names a permanent chief financial officer, what kind of background that person brings, and the first substantive strategic commentary from Grieco after he takes office. The company's next disclosure of cash position and spending rate will also be central to how the market prices the change.

Sources

Innventure Names William Grieco CEO; Begins Search For New CFO — Nasdaq Markets

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