Jeffrey G Winzeler, the Chief Financial Officer of $AMBQ, sold 25,918 shares of the company on 05-14-2026 for an estimated $1,811,618. We received data on the trade from a recent SEC filing. This was a sale of approximately 21.5% of their shares of this class of stock. Following this trade, they now own 94,477 shares of this class of $AMBQ stock.
$AMBQ Insider Trading Activity
$AMBQ insiders have traded $AMBQ stock on the open market 12 times in the past 6 months. Of those trades, 0 have been purchases and 12 have been sales.
Here’s a breakdown of recent trading of $AMBQ stock by insiders over the last 6 months:
- FUMIHIDE ESAKA (Chief Executive Officer) sold 60,000 shares for an estimated $4,201,122
- SEAN CHIHHSIANG CHEN (President and COO) has made 0 purchases and 2 sales selling 55,685 shares for an estimated $3,947,280.
- JEFFREY G WINZELER (Chief Financial Officer) has made 0 purchases and 2 sales selling 26,000 shares for an estimated $1,817,412.
- SCOTT MCLEAN HANSON (Chief Technology Officer) has made 0 purchases and 4 sales selling 20,200 shares for an estimated $1,016,252.
- JOSEPH A TAUTGES sold 7,800 shares for an estimated $241,800
- MICHELE KIM CONNORS (General Counsel) has made 0 purchases and 2 sales selling 811 shares for an estimated $21,209.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.
$AMBQ Hedge Fund Activity
We have seen 77 institutional investors add shares of $AMBQ stock to their portfolio, and 28 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- BLACKROCK, INC. added 705,265 shares (+229.1%) to their portfolio in Q1 2026, for an estimated $17,920,783
- SCHONFELD STRATEGIC ADVISORS LLC added 434,742 shares (+196.0%) to their portfolio in Q1 2026, for an estimated $11,046,794
- KADENSA CAPITAL LTD removed 394,991 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $10,036,721
- DRIEHAUS CAPITAL MANAGEMENT LLC added 380,768 shares (+inf%) to their portfolio in Q1 2026, for an estimated $9,675,314
- ALLIANCEBERNSTEIN L.P. added 290,727 shares (+73.5%) to their portfolio in Q1 2026, for an estimated $7,387,373
- GOLDMAN SACHS GROUP INC added 281,314 shares (+212.9%) to their portfolio in Q1 2026, for an estimated $7,148,188
- FRANKLIN RESOURCES INC added 234,329 shares (+76.1%) to their portfolio in Q1 2026, for an estimated $5,954,299
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.
$AMBQ Price Targets
Multiple analysts have issued price targets for $AMBQ recently. We have seen 3 analysts offer price targets for $AMBQ in the last 6 months, with a median target of $70.0.
Here are some recent targets:
- Timothy Arcuri from UBS set a target price of $70.0 on 05/13/2026
- N. Quinn Bolton from Needham set a target price of $70.0 on 05/12/2026
- Gus Richard from Northland Capital Markets set a target price of $44.0 on 04/21/2026
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
