September 16, 2025
UPC: Activist Victories Up, Driven By Single-Seat Outcomes
Sidley recently analyzed all late-stage director contests at Russell 3000 companies in the last eight years — which includes five years pre-UPC and three years post — to understand the impact of the SEC’s universal proxy rule on contested elections. As these excerpts from their report show, the assumption that UPC would make it easier for activists to win seats didn’t exactly come to fruition as expected. The impact has been more nuanced.
The “floor” on activists’ electoral success has risen. At least one activist nominee was elected in 48% of UPC elections, up from 39%. Half of these successes have been limited to a single seat, an increase from 10% to 24% of total elections.
The “ceiling” on activist success has collapsed. Shareholders have supported at least half of the dissident slate in only 24% of UPC elections, down from 39%.
The average number of activist candidates elected under the UPC is down 22% (1.1 to 0.9 seats), and the average when a dissident wins at least one seat is down 37% (from 2.9 to 1.8 seats).
Management success has ticked down while remaining typical. “Clean sweeps” (full-slate elections) by management continue to be a majority of contested elections under the UPC (52%, down from 61%).
Activists are more often withdrawing their slates after ISS and Glass Lewis back management (13% of late-stage proxy contests under the UPC withdrew after proxy advisor recommendations, up from 9%)
Activists are more often withdrawing their slates after ISS and Glass Lewis back management (13% of late-stage proxy contests under the UPC withdrew after proxy advisor recommendations, up from 9%)
Activist clean sweeps have effectively vanished, falling from 29% of pre-UPC contested elections to none aside from the proxy contests at Masimo.
The memo says the “net effect” of these data points is that “activist victories have increased in frequency but compressed toward single-seat outcomes.” This memo and others analyzing UPC are posted in our “Proxy Fights” Practice Area.
– Meredith Ervine
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