$ Value
$0
Shares
10,000
Price
$0
Filed
Jun 13
Insider
Name
Bitterman Kevin
Title
—
CIK
0001591747
Roles
Transaction Details
Transaction Date
2025-06-11
Code
A
Table
Derivative
Ownership
Direct
Equity Swap
No
Shares After
10,000
Footnotes
The shares underlying this option vest upon the first to occur of (i) the date of the Company's 2026 annual meeting of its stockholders, or (ii) the one-year anniversary of the grant date, subject to the Reporting Person's continued service on such vesting date. | This option was granted to the Reporting Person, a director of the Issuer. The proceeds of any sale of shares of common stock issued to the Reporting Person upon exercise of this option will be transferred to Atlas Venture Life Science Advisors, LLC and as such, the Reporting Person disclaims ownership of such securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any.
Filing Info
Bitterman Kevin's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2025-12-17 | IRON | ▼ | $36K |
| 2025-12-17 | IRON | ▼ | $19K |
| 2025-12-17 | IRON | ▼ | $14K |
| 2025-12-16 | IRON | ▼ | $3.3M |
| 2025-12-16 | IRON | ▼ | $1.7M |
| 2025-12-16 | IRON | ▼ | $1.3M |
| 2025-12-15 | IRON | ▼ | $2.6M |
| 2025-12-15 | IRON | ▼ | $361K |
| 2025-12-15 | IRON | ▼ | $1.4M |
| 2025-12-15 | IRON | ▼ | $189K |
Other Insiders at IRON (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
|
Franchi Jean M.
Chief Financial Officer
|
— | $461K | 2026-04-14 |
|
Savage William Jacob
Chief Medical Officer
|
— | $380K | 2026-04-13 |