Criteo Shares Plunge After Slashing Full-Year Guidance, Announcing CFO Change

Criteo S.A. (CRTO) shares plunged in pre-market trading after the advertising technology company drastically cut its full-year financial outlook and announced the departure of its Chief Financial Officer. The negative developments completely overshadowed second-quarter earnings that beat analyst expectations.

Guidance Slashed, CFO to Depart

The primary driver for the sell-off was a severe downward revision to the company's full-year forecast. Criteo now expects its Contribution ex-TAC—a key industry metric representing revenue after deducting traffic acquisition costs—to decline by 10% to 12% in fiscal 2026 on a constant currency basis. This is a significant deterioration from its prior forecast of a low single-digit decline.

Compounding investor concerns, Criteo also announced a change in its executive leadership. Chief Financial Officer Sarah Glickman, who held the role since 2020, will be replaced by Chief Strategy Officer Connor McGogney, effective August 10. The timing of a key management change alongside a steep guidance cut amplified the negative market reaction.

Q2 Results Obscured by Outlook

While the company reported an adjusted earnings per share of $0.80, beating the consensus estimate of $0.70, other key metrics pointed to underlying weakness that supported the bleak outlook. Key second-quarter results included:

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• Revenue: $428 million, an 11% year-over-year decline.
• Contribution ex-TAC: $255 million, down 13% year-over-year.

Criteo attributed the decline primarily to a $21 million negative impact from a reduced scope of business with two specific retail media clients, as well as continued softness in its Performance Media segment.

Market Reaction and Context

In response to the news, Criteo's stock fell 27.6% in pre-market trading to $16.21, approaching its 52-week low of $15.58. The sell-off was specific to the company, as the broader market was stable, with the S&P 500 and Nasdaq Composite posting modest gains.

The company's third-quarter forecast also pointed to continued pressure. Management guided for Q3 Contribution ex-TAC between $237 million and $241 million and adjusted EBITDA of $54 million to $58 million. The combination of the guidance cut, CFO transition, and persistent structural pressures from client losses prompted the sharp investor retreat.