Routine CFO succession with internal promotion, no material change to financial strategy or outlook expected. Monitor next quarterly earnings for any strategic commentary from new CFO.
How the stock moved after the report
⚠ Clustered NEUTRAL VIEWSTOCK BELOW ENTRY AT T+20- T+0 · Sep 21 $24.80entry
- T+1 · 6w ago −2.98%α −2.26% · $24.06
- T+5 · 5w ago +3.51%α +4.70% · $25.67
- T+20 · 17d ago −3.99%α −3.43% · $23.81
- T+32 · todayOpen
- T+60 · in 6w Pending
Price Chart
REPLAYWatch the reaction play outHow similar events traded
Executive Summary
Magnite announced the internal promotion of Brian Gephart from Chief Accounting Officer to CFO, effective October 1, 2026, succeeding retiring CFO David Day. Haas Sullivan was promoted from VP of Accounting to CAO. Both appointments are orderly internal successions with no red flags.
Key Facts
- Brian Gephart appointed CFO effective October 1, 2026, succeeding retiring CFO David Day
- Gephart served as Chief Accounting Officer since June 2021 and has over 20 years of finance experience
- Haas Sullivan appointed CAO effective October 1, 2026, promoted from VP of Accounting
- Gephart receives equity award of $2.25 million (70% RSUs, 30% PSUs)
- Sullivan receives RSU grant of approximately $600,000
- Both appointments are internal promotions with no unexpected departures
Financial Impact
Equity awards totaling $2.85 million for two executives; no impact on revenue or earnings
Risk Factors
- No material risks identified from this filing
Investment Themes
Documents Analyzed
This report is based on 5 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 8-K Filing (Primary) | 0001595974-26-000032 |
| Exhibit: exhibit991-cfoannouncement.htm | 0001595974-26-000032 |
| Document: 0001595974-26-000032-index-headers.html | 0001595974-26-000032 |
| Document: 0001595974-26-000032-index.html | 0001595974-26-000032 |
| Document: 0001595974-26-000032.txt | 0001595974-26-000032 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Nov 4, 2026 today | 8-K | $25.87 | awaiting T+20 | awaiting T+20 | $22.79 (−11.91%) |
Nov 2, 2026 2d ago | Institutional Cluster | $22.34 | awaiting T+20 | awaiting T+20 | $22.79 (+2.01%) |
Oct 7, 2026 28d ago | 8-K | $25.45 | awaiting T+20 | awaiting T+20 | $22.79 (−10.45%) |
Sep 21, 2026 6w ago | 8-K | $24.80 $23.81 | ▼ −3.99% | ▼ −3.43% | $22.79 (−8.10%) |
Sep 18, 2026 6w ago | Insider Cluster | $25.31 $23.55 | ▲ +6.95% | ▲ +6.05% | $22.79 (+9.96%) |
Sep 17, 2026 6w ago | 144 | $25.15 $23.37 | ▼ −7.08% | ▼ −7.28% | $22.79 (−9.38%) |
Sep 17, 2026 6w ago | 144 | $25.15 $23.37 | ▼ −7.08% | ▼ −7.28% | $22.79 (−9.38%) |
Sep 16, 2026 7w ago | Insider Cluster | $25.63 $24.48 | ▲ +4.49% | ▲ +5.94% | $22.79 (+11.08%) |
Sep 11, 2026 7w ago | Insider Cluster | $23.84 $25.08 | ▲ +5.20% | ▲ +2.68% | $22.79 (−4.40%) |
Sep 10, 2026 7w ago | Insider Cluster | $23.77 $25.40 | ▲ +6.86% | ▲ +4.74% | $22.79 (−4.12%) |
US Market Status
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