HORGEN JAY C. (CFO and Treasurer) sold 7.9% of their position (17.50K shares) of AFFILIATED MANAGERS GROUP, INC. on the open market
Open‑market sale worth $5.92M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 6/8/2026ACC: 0001004434-26-000065
Officer· CFO and Treasurer
Since Jan 2019
-57.17K
Net shares
Net seller
$19.27M
Total sold
1
Open market trades
0B · 1S
4
Total transactions
75K acquired · 132.17K disposed
Non-Derivative Transactions3
Common Stock
Direct
Shares
+75K
Price / share
$74.49
Trade value
$5.59M
% of position
40.1%
6/8/2026
186.88K→261.88K
Common Stock
Direct
Shares
−39.67K
Price / share
$336.62
Trade value
$13.35M
% of position
15.1%
6/8/2026
261.88K→222.21K
Common Stock
Direct
Shares
−17.50K
Price / share
$338.27
Trade value
$5.92M
% of position
7.9%
6/8/2026
222.21K→204.71K
Total
Net shares
+17.83K
Net value
-$13.69M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 6/8/2026 | M · Option Exercise | +75K | $74.49 | $5.59M | 40.1% | 186.88K | 261.88K |
| Common Stock Direct | 6/8/2026 | F · Tax Withholding | −39.67K | $336.62 | $13.35M | 15.1% | 261.88K | 222.21K |
| Common Stock Direct | 6/8/2026 | S · Sale | −17.50K | $338.27 | $5.92M | 7.9% | 222.21K | 204.71K |
| Total | +17.83K | -$13.69M | ||||||
Derivative Transactions1
Employee Stock Option (Right to Buy)
Direct
Converts to
Common Stock
75K shares
Shares
−75K
Strike price
74.49
Held after
0.00
Exercisable
—
6/8/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Employee Stock Option (Right to Buy) Direct | Common Stock75K shares | 6/8/2026 | M · Option Exercise | −75K | 74.49 | — | 0.00 |
Non-Derivative Holdings (Post-Transaction)2
Common Stock
IndirectShares owned350K
Common Stock
IndirectShares owned34.06K
Total
384.06K indirect384.06K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 350K | Indirect |
| Common Stock | 34.06K | Indirect |
| Total | 384.06K | 384.06K indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported