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HEIDEN WILLIAM K
InsiderCIK 0001214939
Total Volume
$150.5K
2 filings
Purchases
$150.5K
2 buy txns
Sales
$0
0 sell txns
Net Activity
$150.5K
net bought
Profile
- Filings
- 2
- Buy transactions
- 2
- Sell transactions
- 0
- Companies
- 2
- Active
- 2025–2026
HEIDEN WILLIAM K has filed 2 SEC reports (2025–2026), spread across 2 companies, totaling $150.5K in disclosed volume. Weighing $150.5K bought versus $0 sold, the history is heavily weighted toward buying. The largest single open-market purchase on record is $150.5K in MACROGENICS INC. Data is sourced from official SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
2 loaded
| Jun 11 | ATRA Atara Biotherapeutics, Inc. | HEIDEN WILLIAM K | Insider | Grant | $0 |
| Aug 21 | MGNX MACROGENICS INC | HEIDEN WILLIAM K | Director | Buy | $150.5K |
2 filings