AMBQ · ISSUER CIK 1500412
Ambiq Micro, Inc.
Between Aug 1, 2026 and Oct 29, 2026, 5 Ambiq Micro, Inc. insiders reported $0.00 of open-market purchases and $22.1M of sales on SEC Form 4.
↗5 insiders filed
Original Form 4 filings from Aug 1, 2026 to Oct 29, 2026. 11 of 17 sales were reported under a 10b5-1 plan.
$0.00Insider buying
$22.1MInsider selling
−$22.1MNet open-market
Oct 16, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 16, 202616:53 | Oct 15, 2026 | AMBQ | Chief Technology Officer, Director | S · Sell10b5-1 | $51.00 | −7,000 | 212,546 | -3% | −$357K | ||
| Oct 16, 202616:53 | Oct 15, 2026 | AMBQ | Chief Technology Officer, Director | M · Exercise10b5-1 | $8.12 | +7,000 | 219,546 | +3% | $57K | ||
| Oct 16, 202616:52 | Oct 15, 2026 | AMBQ | Chief Executive Officer, Director | S · Sell10b5-1 | $51.00 | −5,000 | 443,900 | -1% | −$255K | ||
| Oct 16, 202616:52 | Oct 15, 2026 | AMBQ | Chief Executive Officer, Director | M · Exercise10b5-1 | $8.12 | +5,000 | 448,900 | +1% | $41K | ||
| Oct 16, 202616:51 | Oct 14, 2026 | AMBQ | President and COO | S · Sell10b5-1 | $51.50 | −15,000 | 106,268 | -12% | −$772K | ||
| Oct 16, 202616:51 | Oct 14, 2026 | AMBQ | President and COO | M · Exercise10b5-1 | $8.12 | +15,000 | 121,268 | +14% | $122K | ||
| Oct 6, 202620:16 | Oct 2, 2026 | AMBQ | Chief Financial Officer | S · Sell | $69.60 | −5,455 | 100,844 | -5% | −$380K | ||
| Oct 6, 202618:53 | Oct 2, 2026 | AMBQ | Chief Executive Officer, Director | S · Sell | $69.60 | −16,560 | 443,900 | -4% | −$1.2M | ||
| Oct 6, 202618:49 | Oct 2, 2026 | AMBQ | Chief Technology Officer, Director | S · Sell | $69.60 | −8,680 | 212,546 | -4% | −$604K | ||
| Oct 6, 202618:45 | Oct 5, 2026from Oct 2, 2026 | AMBQ | President and COO | S · Sell10b5-1 | $67.95 | −14,007 | 106,268 | -12% | −$952K | ||
| Sep 17, 202616:06 | Sep 15, 2026 | AMBQ | Chief Technology Officer, Director | S · Sell10b5-1 | $60.28 | −7,000 | 221,226 | -3% | −$422K | ||
| Sep 17, 202616:06 | Sep 15, 2026 | AMBQ | Chief Technology Officer, Director | M · Exercise10b5-1 | $8.12 | +7,000 | 228,226 | +3% | $57K | ||
| Sep 15, 202618:58 | Sep 11, 2026 | AMBQ | Director | S · Sell | $63.44 | −10,000 | 20,366 | -33% | −$634K | ||
| Sep 15, 202618:57 | Sep 14, 2026 | AMBQ | President and COO | S · Sell10b5-1 | $60.14 | −15,000 | 120,275 | -11% | −$902K | ||
| Sep 15, 202618:57 | Sep 14, 2026 | AMBQ | President and COO | M · Exercise10b5-1 | $8.12 | +15,000 | 135,275 | +12% | $122K | ||
| Sep 15, 202618:56 | Sep 15, 2026from Sep 11, 2026 | AMBQ | Chief Executive Officer, Director | S · Sell10b5-1 | $62.70 | −63,500 | 460,460 | -12% | −$4.0M | ||
| Sep 15, 202618:56 | Sep 15, 2026from Sep 11, 2026 | AMBQ | Chief Executive Officer, Director | M · Exercise10b5-1 | $11.65 | +63,500 | 473,960 | +15% | $740K | ||
| Sep 9, 202617:10 | Sep 4, 2026 | AMBQ | President and COO | S · Sell10b5-1Late 5d | $57.17 | −15,000 | 120,275 | -11% | −$858K | ||
| Sep 9, 202617:10 | Sep 4, 2026 | AMBQ | President and COO | M · Exercise10b5-1Late 5d | $8.12 | +15,000 | 135,275 | +12% | $122K | ||
| Sep 9, 202617:08 | Sep 4, 2026 | AMBQ | Director | S · SellLate 5d | $56.92 | −185 | 30,366 | -1% | −$11K | ||
| Sep 9, 202617:08 | Sep 4, 2026 | AMBQ | Director | M · ExerciseLate 5d | $5.88 | +1,785 | 30,551 | +6% | $10K | ||
| Sep 2, 202616:47 | Sep 2, 2026from Aug 31, 2026 | AMBQ | Chief Executive Officer, Director | S · Sell10b5-1 | $56.89 | −108,500 | 460,460 | -19% | −$6.2M | ||
| Sep 2, 202616:47 | Sep 2, 2026from Aug 31, 2026 | AMBQ | Chief Executive Officer, Director | M · Exercise10b5-1 | $12.09 | +117,771 | 471,487 | +33% | $1.4M | ||
| Aug 28, 202617:19 | Aug 27, 2026from Aug 26, 2026 | AMBQ | Chief Technology Officer, Director | S · Sell | $59.69 | −55,000 | 221,226 | -20% | −$3.3M | ||
| Aug 28, 202617:19 | Aug 27, 2026from Aug 26, 2026 | AMBQ | Chief Technology Officer, Director | M · Exercise | $8.12 | +65,000 | 248,726 | +35% | $528K | ||
| Aug 18, 202616:40 | Aug 14, 2026 | AMBQ | Chief Technology Officer, Director | S · Sell10b5-1 | $64.38 | −7,000 | 211,226 | -3% | −$451K | ||
| Aug 18, 202616:40 | Aug 14, 2026 | AMBQ | Chief Technology Officer, Director | M · Exercise10b5-1 | $8.12 | +7,000 | 218,226 | +3% | $57K | ||
| Aug 18, 202616:30 | Aug 14, 2026 | AMBQ | Chief Executive Officer, Director | S · Sell10b5-1 | $64.39 | −13,500 | 451,189 | -3% | −$869K | ||
| Aug 18, 202616:30 | Aug 14, 2026 | AMBQ | Chief Executive Officer, Director | M · Exercise10b5-1 | $8.12 | +13,500 | 464,689 | +3% | $110K |