ZACK DEBRA (Chief Medical Officer) received a stock award from SPERO THERAPEUTICS, INC.
Compensation award — not an open‑market transaction. Less informative as a directional signal.
A · 1 award
Filed: 8/6/2026ACC: 0001807743-26-000007
Officer· Chief Medical Officer
Since Aug 2026
+486.99K
Net shares
Net buyer
$0.00
Total acquired
0
Open market trades
0B · 0S
2
Total transactions
486.99K acquired
Non-Derivative Transactions1
Common Stock
Direct
Shares
+162.31K
Price / share
—
Trade value
—
% of position
New position
8/3/2026
0.00→162.31K
Total
Net shares
+162.31K
Net value
$0.00
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 8/3/2026 | A · Award | +162.31K | — | — | New position | 0.00 | 162.31K |
| Total | +162.31K | $0.00 | ||||||
Derivative Transactions1
Stock option (right to buy)
Direct
Converts to
Common Stock
324.68K shares
Shares
+324.68K
Strike price
1.54
Held after
324.68K
Exercisable
—
8/3/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Stock option (right to buy) Direct | Common Stock324.68K shares | 8/3/2026 | A · Award | +324.68K | 1.54 | — | 324.68K |