HEIDEN WILLIAM K purchased 909.1% of their position (100K shares) of MACROGENICS INC on the open market
Open‑market purchase worth $150.5K — a major conviction buy. The strongest form of insider conviction signal.
P · 2 purchases
Filed: 8/21/2025ACC: 0001214939-25-000004
+100K
Net shares
Net buyer
$150.5K
Total acquired
2
Open market trades
2B · 0S
2
Total transactions
100K acquired
Non-Derivative Transactions2
Common Stock
Direct
Shares
+50.50K
Price / share
$1.52
Trade value
$76.76K
% of position
459.1%
8/19/2025
11K→61.50K
Common Stock
Direct
Shares
+49.50K
Price / share
$1.49
Trade value
$73.75K
% of position
80.5%
8/20/2025
61.50K→111K
Total
Net shares
+100K
Net value
$150.51K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 8/19/2025 | P · Purchase | +50.50K | $1.52 | $76.76K | 459.1% | 11K | 61.50K |
| Common Stock Direct | 8/20/2025 | P · Purchase | +49.50K | $1.49 | $73.75K | 80.5% | 61.50K | 111K |
| Total | +100K | $150.51K | ||||||
Derivative Transactions0
No derivative transactions reported