Insider · CIK 0002036199
Mao Zhang
Files at HRGN (Harvard Apparatus Regenerative Technology, Inc.). First filing -, latest -.
Mao Zhang files SEC Form 4 as director at HRGN (Harvard Apparatus Regenerative Technology, Inc.). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; Mao Zhang has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 2 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 27, 2025 | HRGN Harvard Apparatus Regenerative Technology, Inc. | AGrant or award Stock Option (right to buy)derivative | +18,590 | $0.00 | $0 | 18,590 | Jul 1, 2025 |
| Jun 27, 2025 | HRGN Harvard Apparatus Regenerative Technology, Inc. | AGrant or award Stock Option (right to buy)derivative | +15,227 | $0.00 | $0 | 15,227 | Jul 1, 2025 |
Questions about Mao Zhang
Answered from the filings on this page, as of the latest one.
Is Mao Zhang buying or selling?
Mao Zhang has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Mao Zhang's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Mao Zhang has 0.
Where does Mao Zhang file Form 4?
Mao Zhang has filed Form 4 at HRGN (Harvard Apparatus Regenerative Technology, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.