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SPRO Award Disclosure
Zack Debra · SEC Form 4 · Filed Aug 6, 2026
Award
Calculated transaction value
$0
Zack Debra Chief Medical Officer
SPRO
Spero Therapeutics
SPRO
Transaction date
Aug 3, 2026
Public filing date
Aug 6, 2026
Filing lag
Filed 3 days later
SPRO daily price context
Close on/before transaction
$1.15
Aug 3, 2026
First close after public filing
$1.26
Aug 7, 2026
30-day return after filing
-5.56%
Through Sep 8, 2026
Source details
- Reported owner
- Not disclosed
- Source asset code
- Security
- Security
- Common Stock
- Quantity / price
- 162,311 shares @ $0
- SEC ownership
- Direct
- Transaction code
- A
- Form
- 4
- Filing identifier
- 0001807743-26-000007
Filing cohort
Transactions in this filing
Showing 2 of 2
Trades
2
Issuers
1
Estimated value
$0
Buys / sales
0 / 0
| Issuer | Transaction | Traded | Value |
|---|---|---|---|
| Spero Therapeutics, Inc. SPRO Current | Award | Aug 3, 2026 | $0 |
| Spero Therapeutics, Inc. SPRO | Award | Aug 3, 2026 | $0 |