AM Antero Midstream

• None no insider bought on the open market
• $3.1M sold by 3 insiders outside a trading plan
• $2.2M sold by 1 insider under 10b5-1 plans

1. Insider
   Trade
   Value
   Traded, filed
2. Brooks J Klimley Director
   Sale
   $106K 5,000 shares at $21.27 6.8% of stake
   Traded Aug 6 Filed Aug 6
   ↗
3. Sheri Pearce See Remarks
   Sale
   $352K 16,000 shares at $22.01 16% of stake
   Traded Aug 4 Filed Aug 5
   ↗
4. Yvette K Schultz See Remarks
   Sale
   $1.5M 69,269 shares at $21.90 11% of stake
   Traded May 4 Filed May 4
   ↗
5. Michael N. Kennedy See Remarks
   Planned sale
   $2.2M 100,000 shares at $21.92 6.2% of stake
   Traded May 4 Filed May 4
   ↗
6. Brooks J Klimley Director
   Sale
   $116K 5,000 shares at $23.16 6.7% of stake
   Traded Mar 12 Filed Mar 12
   ↗
7. Sheri Pearce See Remarks
   Sale
   $319K 14,000 shares at $22.76 12% of stake
   Traded Mar 10 Filed Mar 10
   ↗
8. Yvette K Schultz See Remarks
   Sale
   $570K 25,000 shares at $22.81 3.7% of stake
   Traded Mar 9 Filed Mar 10
   ↗
9. Brooks J Klimley Director
   Sale
   $88K 5,000 shares at $17.59 6.4% of stake
   Traded Dec 16, 2025 Filed Dec 16, 2025
   ↗

Also filed in the last 12 months, not counted as buying or selling: 40 stock grants, 8 share withholdings for taxes, and 2 gifts.