Seth Alpna
SEC insider (Form 3/4/5 filer). CIK 0001721020. Director at Keros Therapeutics, Inc. (KROS) and 2 other issuers. 5 reported Form 4/5 transactions since Sep 2024; latest on Jun 4, 2026. Located in LEXINGTON, MA.
Companies Seth Alpna has filed insider reports for
- Keros Therapeutics, Inc. (KROS): Director
- DR REDDYS LABORATORIES LTD (RDY): Director
- BIO-TECHNE Corp (TECH): Director
Seth Alpna
CIK: 0001721020
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)1 (20.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)4 (80.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (5 total)
- Jun 4, 2026KROS
Keros Therapeutics, Inc.
SaleDirect2.6K shares at avg. $10.72$28K - Jun 3, 2026KROS
Keros Therapeutics, Inc.
AwardDirect7.1K shares- - Oct 30, 2025TECH
BIO-TECHNE Corp
AwardDirect1.6K shares- - Jun 4, 2025KROS
Keros Therapeutics, Inc.
AwardDirect5.3K shares- - Oct 24, 2024TECH
BIO-TECHNE Corp
AwardDirect1.5K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 4, 2026 |  KROS Keros Therapeutics, Inc. | Sale | 2,625 | $10.72 | $28,140 | Direct |
| Jun 3, 2026 | KROS Keros Therapeutics, Inc. | Award | 7,142 | - | $0 | Direct |
| Oct 30, 2025 |  TECH BIO-TECHNE Corp | Award | 1,640 | - | - | Direct |
| Jun 4, 2025 | KROS Keros Therapeutics, Inc. | Award | 5,250 | - | - | Direct |
| Oct 24, 2024 | TECH BIO-TECHNE Corp | Award | 1,462 | - | $0 | Direct |
1-5 of 5 transactions