High-Impact Form 4 Intelligence
Real-time SEC insider trading data with advanced filtering. Free beta.
Total Buys (Filtered)
$0
$0
Total Sells (Filtered)
$37.9M
$37,916,020
| Ticker | Company | Reporting Owner | Date | Value (USD) | Type | Form 4 |
|---|---|---|---|---|---|---|
| AMPX |
Amprius Technologies, Inc.
|
Director
Sell to Cover
|
2026-02-23 | $622,035 | S | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CTO
Sell to Cover
|
2026-02-23 | $257,604 | S | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CTO
10b5-1 Sell
|
2026-01-28 | $476,351 | S | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CTO
Other
|
2026-01-28 | $1,980 | M | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CTO
Other
|
2026-01-28 | $56 | M | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CTO
Other
|
2026-01-23 | $80 | M | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CTO
10b5-1 Sell
|
2026-01-23 | $19,200 | S | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CTO
Other
|
2026-01-22 | $32,758 | M | Form 4 |
|
AMPX
S
Amprius Technologies, Inc.
Stefan Constantin Ionel
• CTO
10b5-1 SellΔOwn -39.7%
2026-01-22
$5,931,912Whale
|
||||||
| AMPX |
Amprius Technologies, Inc.
|
CTO
10b5-1 SellΔOwn -39.7%
|
2026-01-22 | $5,931,912Whale | S | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CTO
Other
|
2026-01-22 | $8,305 | M | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CTO
Other
|
2026-01-22 | $12,696 | M | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CTO
Other
|
2026-01-21 | $792 | M | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CTO
10b5-1 Sell
|
2026-01-21 | $879,411 | S | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CTO
Other
|
2026-01-21 | $794 | M | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CTO
Other
|
2026-01-21 | $25,769 | M | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
Director
Other
|
2026-01-20 | $76,869 | M | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
Director
10b5-1 Sell
|
2026-01-20 | $476,274 | S | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
Director
Other
|
2026-01-16 | $2,125,845Large | M | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
Director
10b5-1 SellΔOwn -40.4%
|
2026-01-16 | $10,518,669MEGA | S | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
Director
Other
|
2026-01-16 | $178,374 | M | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
Director
Other
|
2026-01-12 | $508,164 | M | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
Director
10b5-1 SellΔOwn -26.5%
|
2026-01-12 | $5,111,474Whale | S | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
Director
Other
|
2026-01-12 | $293,002 | M | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
Director
Other
|
2026-01-12 | $112,097 | M | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CTO
Other
|
2025-12-11 | $6,250 | M | Form 4 |
|
AMPX
S
Amprius Technologies, Inc.
Stefan Constantin Ionel
• CTO
10b5-1 SellΔOwn -20.9%
2025-12-11
$2,083,382Large
|
||||||
| AMPX |
Amprius Technologies, Inc.
|
CTO
10b5-1 SellΔOwn -20.9%
|
2025-12-11 | $2,083,382Large | S | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CTO
Equity Compensation
|
2025-12-11 | $0 | M | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CTO
Sell to Cover
|
2025-11-21 | $252,274 | S | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CEO
Sell to Cover
|
2025-11-21 | $692,132 | S | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CEO
Other
|
2025-11-17 | $198,875 | M | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CEO
10b5-1 SellΔOwn -40.5%
|
2025-11-17 | $10,595,300MEGA | S | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CEO
Other
|
2025-11-17 | $25,825 | M | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CEO
Other
|
2025-11-17 | $17,027 | M | Form 4 |
| AMPX |
Amprius Technologies, Inc.
|
CEO
Other
|
2025-11-17 | $36,398 | M | Form 4 |