AMG Affiliated Managers Group Inc.

NYSE
$355.61

Affiliated Managers Group Inc. (AMG) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal In line Selling ran in line with AMG's own trailing one-year pace, with 0% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 0 sellers in the last 90 days
Insiders buying
2
2 transactions
Insiders selling
5
5 transactions
Purchases
$687.4K
2,250 shares
Sales
$10.2M
32,102 shares
Net activity
-$9.5M
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $10.2M 5 transactions · 32,102 shares

Largest single sale: $5.9M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: June 1, 2026 , by FRANQUI ANNETTE .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Horgen Jay C. President and CEO Sell 17,500 $338.27 $5.9M 204,706 −7.9% of holding
FRANQUI ANNETTE Director Buy 750 $304.88 $228.7K 1,962
Matos Rodriguez Felix V. Director Sell 1,000 $300.18 $300.2K 4,369 −18.6% of holding
Ryan David Christopher Director Sell 3,402 $305.06 $1.0M 1,092 −75.7% of holding
Cates G. Staley Director Buy 1,500 $305.83 $458.7K 6,405
Padiyar Kavita General Counsel & Corp. Sec. Sell 2,200 $278.24 $612.1K 42,672 −4.9% of holding
Wojcik Thomas M President and COO Sell 8,000 $286.30 $2.3M 159,465 −4.8% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.