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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| AMBQ | Winzeler Jeffrey G | Chief Financial Officer | Jun 02 '26 | Option Exercise | 16.80 | 11,904 | 199,988 | 106,299 | Jun 04 12:00 AM |
| AMBQ | Winzeler Jeffrey G | Chief Financial Officer | May 15 '26 | Option Exercise | 16.80 | 11,904 | 199,988 | 110,905 | May 18 12:00 AM |
| AMBQ | Winzeler Jeffrey G | Chief Financial Officer | May 14 '26 | Option Exercise | 16.80 | 52,000 | 873,600 | 120,395 | May 18 12:00 AM |
| AMBQ | Winzeler Jeffrey G | Chief Financial Officer | May 14 '26 | Sale | 69.90 | 26,000 | 1,817,412 | 94,395 | May 18 12:00 AM |
| MRAM | Winzeler Jeffrey G | Chief Financial Officer | Mar 13 '19 | Sale | 8.45 | 819 | 6,921 | 15,115 | Mar 28 12:00 AM |