Zhenya Lindgardt, the Chief Executive Officer of $SERA, sold 21,158 shares of the company on 09-09-2025 for an estimated $66,647. We received data on the trade from a recent SEC filing. This was a sale of approximately 2.5% of their shares of this class of stock. Following this trade, they now own 811,136 shares of this class of $SERA stock.
$SERA Insider Trading Activity
$SERA insiders have traded $SERA stock on the open market 33 times in the past 6 months. Of those trades, 0 have been purchases and 33 have been sales.
Here’s a breakdown of recent trading of $SERA stock by insiders over the last 6 months:
- ZHENYA LINDGARDT (Chief Executive Officer) has made 0 purchases and 5 sales selling 65,521 shares for an estimated $149,267.
- PAUL KEARNEY (Chief Data Officer) has made 0 purchases and 5 sales selling 26,860 shares for an estimated $77,525.
- AUSTIN AERTS (Chief Financial Officer) has made 0 purchases and 5 sales selling 24,117 shares for an estimated $56,462.
- ROBERT GARDNER HARRISON (Chief Information Officer) has made 0 purchases and 5 sales selling 21,180 shares for an estimated $51,535.
- BENJAMIN JACKSON (General Counsel) has made 0 purchases and 3 sales selling 14,496 shares for an estimated $35,088.
- JOHN J. BONIFACE (Chief Scientific Officer) has made 0 purchases and 3 sales selling 13,665 shares for an estimated $32,670.
- SANDRA AJ LAWRENCE sold 3,899 shares for an estimated $11,891
- MANSOOR RAZA MIRZA has made 0 purchases and 6 sales selling 1,001 shares for an estimated $2,644.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$SERA Hedge Fund Activity
We have seen 28 institutional investors add shares of $SERA stock to their portfolio, and 62 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- WHETSTONE CAPITAL ADVISORS, LLC added 3,632,371 shares (+inf%) to their portfolio in Q2 2025, for an estimated $10,061,667
- RA CAPITAL MANAGEMENT, L.P. removed 3,032,808 shares (-100.0%) from their portfolio in Q2 2025, for an estimated $8,400,878
- BLACKROCK, INC. removed 1,392,780 shares (-90.6%) from their portfolio in Q2 2025, for an estimated $3,858,000
- ABERDEEN GROUP PLC added 987,367 shares (+79.6%) to their portfolio in Q2 2025, for an estimated $2,735,006
- JPMORGAN CHASE & CO removed 719,078 shares (-100.0%) from their portfolio in Q2 2025, for an estimated $1,991,846
- STATE STREET CORP removed 350,701 shares (-74.3%) from their portfolio in Q2 2025, for an estimated $971,441
- GEODE CAPITAL MANAGEMENT, LLC removed 331,842 shares (-52.3%) from their portfolio in Q2 2025, for an estimated $919,202
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
