Latest filingSep 10, 2026Most recent Form 4
AMKR
AMKOR TECHNOLOGY, INC.
NasdaqTechnologySemiconductors & Related Devices
Insider activity for last month from 08/11 to 09/11. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$34.7M2 sells
Net open-market-$34.7M2 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period4transactions
- M · Option exercise · dominant2 · 50%
- S · Open-market sells2 · 50%
Activity by reported role
A joint filing can contribute to multiple roles7transactions
- EVP · dominant3 · 43%
- GC3 · 43%
- Chief financial officer1 · 14%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (1)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeRogers Mark NCommon Stock · Direct
38,904Aug 17, 2026
Rogers Mark NEmployee Stock Option (Right-to-Buy) · Direct
70,000Aug 17, 2026
Faust MeganCommon Stock · Direct
134,105Sep 08, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 11 → Sep 11
LessMore
Top insiders
By absolute net value across the selected period- RN-$261.9k
- FM-$49.0k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
AMKR transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| AMKR | Faust Megan | CFO | sale10b5-1 | 1.00k | -$4.90M | S | — | 0.0% | 09/10 | 09/08 |
| AMKR | ROGERS MARK N | EVPGC | exercise10b5-1 | 5.00k | $0 | M | −10.1% | 08/19 | 08/17 | |
| AMKR | ROGERS MARK N | EVPGC | sale10b5-1 | 5.00k | -$29.8M | S | −10.1% | 08/19 | 08/17 | |
| AMKR | ROGERS MARK N | EVPGC | exercise10b5-1 | 5.00k | $3.70M | M | −10.1% | 08/19 | 08/17 |
AMKOR TECHNOLOGY, INC. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at AMKOR TECHNOLOGY, INC.?
Faust Megan, ROGERS MARK N.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Faust Megan reported a sale on Sep 08, 2026 valued at $4.90M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $347,950.00. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.