Macrogenics (MGNX)Director bought ~$77K
William K Heiden, Director at Macrogenics, bought ~$77K of Macrogenics shares.
- ~$77K
- Approx. value · 51K sh @ $1.52
- 62K
- Holds after · shares reported
- Traded
- Aug 19, 2025
- Filed
- Aug 21, 2025
The story around this disclosure
Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.
- Aug 19, 2025 · this disclosureInsiderDirector purchased ~$77K of MGNX shares in the open market
What came next
- Aug 20, 2025InsiderDirector purchased ~$74K of MGNX shares in the open market
- Nov 12, 2025Company filing · Form 8-K · ResultsReported its results
- Nov 14, 2025Company filing · Form 8-K · Executive changeChanged a top executive or board member“On November 14, 2025, MacroGenics, Inc. (the “Company”) and Stephen Eck, M.D., Ph.D., Senior Vice President, Clinical Development and Chief Medical Officer of the Company, mutually agreed that Dr. Eck would depart the Company, effective as of December 31, 2025.”
How to read SEC Form 4
Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.
Full guide: What is an SEC Form 4?
What else is on file for Macrogenics
For Macrogenics, OQRO holds 1 insider filing (SEC Form 4 or Form 144) dated in the last 90 days.
These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its MGNX page.
Other recent filings by William K Heiden, Director
The full history of William K Heiden, Director is on the profile page.
How this filing works
Other disclosures at Macrogenics
- SEC Form 4Aug 20, 2026
- SEC Form 13F-HRFeb 17, 2026
- SEC Form 4Aug 21, 2025
- SEC Form 4Feb 19, 2025
- SEC Form 13F-HRFeb 18, 2025
Everything OQRO holds on this company is on its MGNX page.
This is one filing. OQRO holds the rest
Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.
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