AMBQ(AMBQ)
AMBQ
Insider Transactions
Buys (12mo)
35
Sells (12mo)
56
Buy Value (12mo)
$7.37M
Net (12mo)
-$27.88M
| Date | Insider | Title | Type | Price | Shares | Value | Owned After |
|---|---|---|---|---|---|---|---|
| Sep 1, 26 | Esaka Fumihide | CEO | Purchase | $12.60 | 48.97K | $617.06K | 509.43K |
| Aug 31, 26 | Esaka Fumihide | CEO | Purchase | $12.60 | 44.27K | $557.81K | 495.46K |
| Aug 31, 26 | Esaka Fumihide | CEO | Sale | $56.81 | 15.60K | $886.22K | 479.86K |
| Sep 2, 26 | Esaka Fumihide | CEO | Purchase | $12.60 | 11.03K | $138.94K | 471.49K |
| Sep 2, 26 | Esaka Fumihide | CEO | Sale | $56.15 | 1.45K | $81.53K | 470.04K |
| Aug 31, 26 | Esaka Fumihide | CEO | Sale | $57.70 | 13.80K | $796.28K | 466.06K |
| Aug 31, 26 | Esaka Fumihide | CEO | Purchase | $8.12 | 13.50K | $109.62K | 464.69K |
| Sep 2, 26 | Esaka Fumihide | CEO | Sale | $56.77 | 9.57K | $543.57K | 460.46K |
| Aug 31, 26 | Esaka Fumihide | CEO | Sale | $58.46 | 5.60K | $327.36K | 460.46K |
| Sep 1, 26 | Esaka Fumihide | CEO | Sale | $56.39 | 48.97K | $2.76M | 460.46K |
| Aug 31, 26 | Esaka Fumihide | CEO | Sale | $56.87 | 5.90K | $335.45K | 458.79K |
| Aug 31, 26 | Esaka Fumihide | CEO | Sale | $57.75 | 5.50K | $317.71K | 453.29K |
| Aug 31, 26 | Esaka Fumihide | CEO | Sale | $58.52 | 2.10K | $122.89K | 451.19K |
| Aug 31, 26 | Esaka Fumihide | CEO | Sale | $12.60 | 9.27K | $116.81K | 175.27K |
| Aug 31, 26 | Esaka Fumihide | CEO | Sale | $12.60 | 35.00K | $441.00K | 79.01K |
| Aug 31, 26 | Esaka Fumihide | CEO | Sale | $8.12 | 13.50K | $109.62K | 72.01K |
| Sep 1, 26 | Esaka Fumihide | CEO | Sale | $12.60 | 48.97K | $617.06K | 30.03K |
| Sep 2, 26 | Esaka Fumihide | CEO | Sale | $12.60 | 11.03K | $138.94K | 19.01K |
| Aug 27, 26 | Hanson Scott McLean | CTO | Purchase | $8.12 | 27.50K | $223.30K | 248.73K |
| Aug 27, 26 | Hanson Scott McLean | CTO | Sale | $59.69 | 22.59K | $1.35M | 226.14K |
| Aug 26, 26 | Hanson Scott McLean | CTO | Purchase | $8.12 | 10.00K | $81.20K | 221.23K |
| Aug 26, 26 | Hanson Scott McLean | CTO | Sale | $59.58 | 27.50K | $1.64M | 221.23K |
| Aug 27, 26 | Hanson Scott McLean | CTO | Sale | $60.32 | 4.91K | $296.18K | 221.23K |
| Aug 26, 26 | Hanson Scott McLean | CTO | Sale | $8.12 | 27.50K | $223.30K | 111.06K |
| Aug 27, 26 | Hanson Scott McLean | CTO | Sale | $8.12 | 27.50K | $223.30K | 83.56K |
| Aug 26, 26 | Hanson Scott McLean | CTO | Sale | $8.12 | 10.00K | $81.20K | 52.28K |
| Aug 14, 26 | Hanson Scott McLean | CTO | Purchase | $8.12 | 7.00K | $56.84K | 218.23K |
| Aug 14, 26 | Hanson Scott McLean | CTO | Sale | $63.26 | 800 | $50.60K | 217.43K |
| Aug 14, 26 | Hanson Scott McLean | CTO | Sale | $64.41 | 5.40K | $347.79K | 212.03K |
| Aug 14, 26 | Hanson Scott McLean | CTO | Sale | $65.30 | 800 | $52.24K | 211.23K |
| Aug 14, 26 | Hanson Scott McLean | CTO | Sale | $8.12 | 7.00K | $56.84K | 62.28K |
| Aug 14, 26 | Esaka Fumihide | CEO | Purchase | $8.12 | 13.50K | $109.62K | 464.69K |
| Aug 14, 26 | Esaka Fumihide | CEO | Sale | $63.29 | 1.28K | $81.13K | 463.41K |
| Aug 14, 26 | Esaka Fumihide | CEO | Sale | $64.40 | 10.72K | $690.20K | 452.69K |
| Aug 14, 26 | Esaka Fumihide | CEO | Sale | $65.26 | 1.50K | $97.89K | 451.19K |
| Aug 14, 26 | Esaka Fumihide | CEO | Sale | $8.12 | 13.50K | $109.62K | 85.51K |
| Jun 8, 26 | HSIEH Wen Hsuan | CTO | Purchase | -- | 4.96K | -- | 4.96K |
| Jun 8, 26 | Chen Timothy | CTO | Purchase | -- | 4.96K | -- | 52.58K |
| Jun 8, 26 | Banks Bernard Bennett | CTO | Purchase | -- | 4.96K | -- | 4.96K |
| Jun 8, 26 | TAUTGES JOSEPH A | CTO | Purchase | -- | 4.96K | -- | 53.70K |
| Jun 8, 26 | ZHANG KER | CTO | Purchase | -- | 4.96K | -- | 28.77K |
| Jun 2, 26 | Winzeler Jeffrey G | CFO | Purchase | $16.80 | 5.95K | $99.99K | 106.30K |
| Jun 2, 26 | Winzeler Jeffrey G | CFO | Sale | $16.80 | 5.95K | $99.99K | 104.95K |
| May 27, 26 | Chen Timothy | CTO | Sale | $78.85 | 22.41K | $1.77M | 48.18K |
| May 27, 26 | Chen Timothy | CTO | Sale | $79.72 | 24.25K | $1.93M | 23.93K |
| May 27, 26 | Chen Timothy | CTO | Sale | $80.61 | 20.67K | $1.67M | 3.26K |
| May 27, 26 | Chen Timothy | CTO | Sale | $81.57 | 3.26K | $266.24K | -- |
| Jul 31, 25 | Chen Timothy | CTO | Purchase | -- | 70.59K | -- | 70.59K |
| Jul 31, 25 | Chen Timothy | CTO | Sale | -- | 1.71M | -- | -- |
| Jul 29, 25 | Chen Timothy | CTO | Sale | -- | 70.59K | -- | -- |
| May 14, 26 | Winzeler Jeffrey G | CFO | Purchase | $16.80 | 26.00K | $436.80K | 120.39K |
| May 14, 26 | Winzeler Jeffrey G | CFO | Sale | $16.80 | 26.00K | $436.80K | 116.86K |
| May 15, 26 | Winzeler Jeffrey G | CFO | Sale | $16.80 | 5.95K | $99.99K | 110.91K |
| May 15, 26 | Winzeler Jeffrey G | CFO | Purchase | $16.80 | 5.95K | $99.99K | 100.35K |
| May 14, 26 | Winzeler Jeffrey G | CFO | Sale | $69.90 | 25.92K | $1.81M | 94.48K |
| May 14, 26 | Winzeler Jeffrey G | CFO | Sale | $70.65 | 82 | $5.79K | 94.39K |
| May 14, 26 | Hanson Scott McLean | CTO | Purchase | $8.12 | 10.20K | $82.82K | 213.33K |
| May 15, 26 | Hanson Scott McLean | CTO | Purchase | $8.12 | 8.10K | $65.77K | 211.23K |
| May 14, 26 | Hanson Scott McLean | CTO | Sale | $68.62 | 3.90K | $267.63K | 209.43K |
| May 14, 26 | Hanson Scott McLean | CTO | Sale | $69.59 | 6.10K | $424.52K | 203.33K |
| May 14, 26 | Hanson Scott McLean | CTO | Sale | $70.50 | 200 | $14.10K | 203.13K |
| May 14, 26 | Hanson Scott McLean | CTO | Sale | $8.12 | 10.20K | $82.82K | 77.38K |
| May 15, 26 | Hanson Scott McLean | CTO | Sale | $8.12 | 8.10K | $65.77K | 69.28K |
| May 15, 26 | Chen Sean Chihhsiang | COO | Purchase | $5.88 | 55.69K | $327.43K | 175.96K |
| May 15, 26 | Chen Sean Chihhsiang | COO | Sale | $70.53 | 32.35K | $2.28M | 143.61K |
| May 15, 26 | Chen Sean Chihhsiang | COO | Sale | $71.37 | 23.33K | $1.67M | 120.28K |
| May 15, 26 | Chen Sean Chihhsiang | COO | Sale | $5.88 | 55.69K | $327.43K | 1 |
| May 15, 26 | Esaka Fumihide | CEO | Purchase | $12.60 | 14.54K | $183.17K | 451.19K |
| May 14, 26 | Esaka Fumihide | CEO | Purchase | $8.12 | 60.00K | $487.20K | 451.19K |
| May 15, 26 | Esaka Fumihide | CEO | Purchase | $8.12 | 45.46K | $369.16K | 436.65K |
| May 14, 26 | Esaka Fumihide | CEO | Sale | $70.02 | 60.00K | $4.20M | 391.19K |
| May 15, 26 | Esaka Fumihide | CEO | Sale | $12.60 | 6.60K | $83.17K | 184.54K |
| May 14, 26 | Esaka Fumihide | CEO | Sale | $8.12 | 60.00K | $487.20K | 144.47K |
| May 15, 26 | Esaka Fumihide | CEO | Sale | $12.60 | 7.94K | $99.99K | 114.01K |
| May 15, 26 | Esaka Fumihide | CEO | Sale | $8.12 | 45.46K | $369.16K | 99.01K |
| Apr 2, 26 | Connors Michele Kim | Officer | Sale | $26.04 | 660 | $17.19K | 60.70K |
| Apr 2, 26 | Connors Michele Kim | Officer | Sale | $26.65 | 151 | $4.02K | 60.55K |
| Mar 6, 26 | Winzeler Jeffrey G | CFO | Purchase | -- | 41.73K | -- | 94.39K |
| Mar 6, 26 | Chen Sean Chihhsiang | COO | Purchase | -- | 64.25K | -- | 120.28K |
| Mar 6, 26 | Connors Michele Kim | Officer | Purchase | -- | 32.12K | -- | 61.37K |
| Mar 6, 26 | Hanson Scott McLean | CTO | Purchase | -- | 80.31K | -- | 203.13K |
| Mar 6, 26 | Esaka Fumihide | CEO | Purchase | -- | 160.62K | -- | 391.19K |
| Feb 18, 26 | HSIEH Wen Hsuan | CTO | Purchase | $12.60 | 238.93K | $3.01M | 633.92K |
| Feb 18, 26 | HSIEH Wen Hsuan | CTO | Sale | $12.60 | 238.93K | $3.01M | -- |
| Oct 7, 25 | Esaka Fumihide | CEO | Purchase | $5.88 | 53.66K | $315.52K | 230.57K |
| Oct 7, 25 | Esaka Fumihide | CEO | Sale | $5.88 | 53.66K | $315.52K | -- |
| Jan 26, 26 | TAUTGES JOSEPH A | CTO | Sale | $31.00 | 7.80K | $241.80K | 48.75K |
| Jan 26, 26 | Hanson Scott McLean | CTO | Sale | $31.00 | 10.00K | $310.00K | 122.82K |
| Jan 5, 26 | Banks Bernard Bennett | -- | Sale | -- | -- | -- | -- |
| Jan 5, 26 | Connors Michele Kim | Officer | Purchase | -- | 5.48K | -- | 29.24K |
| Jan 5, 26 | Connors Michele Kim | Officer | Purchase | -- | 23.76K | -- | 23.76K |
| Jan 5, 26 | Connors Michele Kim | -- | Sale | -- | -- | -- | -- |
| Oct 2, 25 | Winzeler Jeffrey G | CFO | Purchase | -- | 52.67K | -- | 52.67K |
| Oct 2, 25 | Hanson Scott McLean | CFO | Purchase | -- | 83.82K | -- | 132.82K |
| Oct 2, 25 | Chen Sean Chihhsiang | COO | Purchase | -- | 56.03K | -- | 56.03K |
| Oct 2, 25 | Esaka Fumihide | CEO | Purchase | -- | 159.91K | -- | 176.91K |
| Jul 31, 25 | KPCB XVI Associates, LLC | 10 percent owner | Purchase | -- | 194.62K | -- | 1.49M |
| Jul 31, 25 | KPCB XVI Associates, LLC | 10 percent owner | Purchase | -- | 23.29K | -- | 1.29M |
| Jul 31, 25 | KPCB XVI Associates, LLC | 10 percent owner | Purchase | -- | 98.96K | -- | 1.27M |
| Jul 31, 25 | KPCB XVI Associates, LLC | 10 percent owner | Purchase | -- | 748.05K | -- | 1.17M |
| Jul 31, 25 | KPCB XVI Associates, LLC | 10 percent owner | Sale | -- | 171.06K | -- | -- |
| Jul 31, 25 | KPCB XVI Associates, LLC | 10 percent owner | Sale | -- | 22.59K | -- | -- |
| Jul 31, 25 | KPCB XVI Associates, LLC | 10 percent owner | Sale | -- | 748.05K | -- | -- |
| Jul 31, 25 | KPCB XVI Associates, LLC | 10 percent owner | Sale | -- | 98.96K | -- | -- |
| Jul 31, 25 | HSIEH Wen Hsuan | CTO | Purchase | -- | 394.99K | -- | 394.99K |
| Jul 31, 25 | HSIEH Wen Hsuan | CTO | Sale | -- | 394.99K | -- | -- |
| Jul 29, 25 | Chen Timothy | CTO | Purchase | -- | 47.62K | -- | 47.62K |
| Jul 29, 25 | ZHANG KER | CTO | Purchase | -- | 23.81K | -- | 23.81K |
| Jul 29, 25 | TAUTGES JOSEPH A | CTO | Purchase | -- | 56.55K | -- | 56.55K |
| Jul 29, 25 | KPCB XVI Associates, LLC | 10 percent owner | Sale | -- | -- | -- | 424.03K |
| Jul 29, 25 | KPCB XVI Associates, LLC | 10 percent owner | Sale | -- | 748.05K | -- | -- |
| Jul 29, 25 | KPCB XVI Associates, LLC | 10 percent owner | Sale | -- | 98.96K | -- | -- |
| Jul 29, 25 | KPCB XVI Associates, LLC | 10 percent owner | Sale | -- | 23.29K | -- | -- |
| Jul 29, 25 | KPCB XVI Associates, LLC | 10 percent owner | Sale | -- | 194.62K | -- | -- |
| Jul 29, 25 | Chen Timothy | -- | Sale | -- | -- | -- | -- |
| Jul 29, 25 | ZHANG KER | CTO | Sale | $5.88 | 1.78K | $10.50K | -- |
| Jul 29, 25 | ZHANG KER | CTO | Sale | $6.44 | 8.93K | $57.50K | -- |
| Jul 29, 25 | ZHANG KER | CTO | Sale | $8.12 | 3.57K | $29.00K | -- |
| Jul 29, 25 | ZHANG KER | CTO | Sale | $12.60 | 17.86K | $225.00K | -- |
| Jul 29, 25 | TAUTGES JOSEPH A | -- | Sale | -- | -- | -- | -- |
| Jul 29, 25 | HSIEH Wen Hsuan | CTO | Sale | -- | 394.99K | -- | -- |
| Jul 29, 25 | HSIEH Wen Hsuan | CTO | Sale | $12.60 | 238.93K | $3.01M | -- |
| Jul 29, 25 | Winzeler Jeffrey G | CFO | Sale | $16.80 | 142.86K | $2.40M | -- |
| Jul 29, 25 | Hanson Scott McLean | CFO | Sale | -- | -- | -- | 49.00K |
| Jul 29, 25 | Hanson Scott McLean | CFO | Sale | $8.12 | 138.56K | $1.13M | -- |
| Jul 29, 25 | Hanson Scott McLean | CFO | Sale | $12.60 | 71.43K | $899.99K | -- |
| Jul 29, 25 | Chen Sean Chihhsiang | COO | Sale | $5.88 | 55.69K | $327.43K | -- |
| Jul 29, 25 | Chen Sean Chihhsiang | COO | Sale | $8.12 | 164.42K | $1.34M | -- |
| Jul 29, 25 | Chen Sean Chihhsiang | COO | Sale | $12.60 | 93.98K | $1.18M | -- |
| Jul 29, 25 | Esaka Fumihide | CEO | Sale | -- | -- | -- | 17.01K |
| Jul 29, 25 | Esaka Fumihide | CEO | Sale | $5.88 | 53.66K | $315.52K | -- |
| Jul 29, 25 | Esaka Fumihide | CEO | Sale | $8.12 | 204.47K | $1.66M | -- |
| Jul 29, 25 | Esaka Fumihide | CEO | Sale | $12.60 | 191.14K | $2.41M | -- |