Latest filing published 19 Oct 2026 for ACV Auctions Inc..
Filing timeline
BuySaleInsider track record
Closed purchases
Based on 3 purchases whose 90-day window has closed (published at least 91 days ago), the same population our ranking model reads.
Purchases by company
Since each purchase
- -3.2%Entry US$6.64 · Close at T+90 US$6.43
- +27.8%Entry US$0.97 · Close at T+365 US$1.24
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
Kirsten Castillo: trading record in brief
Filings by Kirsten Castillo span 2 companies, the busiest being ACV Auctions Inc. and Ocugen, Inc. We count 14 filings; the first trade dates from 7 June 2021 and the latest from 16 October 2026.
Market trades split into 3 purchases (€130k) and 3 sales (€705k). The net balance comes to €575k on the selling side. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Outside the open market, there are 3 share grants and 4 option exercises.
Half of the purchases are above €27k and half below. No cluster: in 3 purchases, no other insider of the company bought within 30 days. Looking at 3 purchases old enough to measure, the stock rose over the following 90 days in 0% of cases; the median change was -3.2%. Past outcomes like these are no guarantee of what comes next.
Most recently, on 19 October 2026, the filings show a transaction in ACV Auctions Inc. The clock since the last published purchase (18 November 2025) now reads 355 days. The median gap between a trade and its publication by SEC (Form 4) is 2 days. For comparison, the SEC allows two business days to file a Form 4. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Companies and markets linked to Kirsten Castillo
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
- 66,607 sharesCommon StockSEC:0000950103-26-015819:0
- 27,500 shares0Common StockSEC:0001808806-26-000002:0
- 15,000 shares@ US$6.2615.1% of flowClass A Common StockSEC:0001808806-25-000003:0Canonical exit: 12 Feb 2026 (T+90)
- 5,000 shares@ US$6.275.0% of flowClass A Common StockSEC:0001808806-25-000003:1Canonical exit: 15 Feb 2026 (T+90)
- 9,868 shares0Class A Common StockSEC:0001628280-25-028628:0
- 25,000 shares@ US$0.91397.1% of flowCommon StockSEC:0001062993-24-019706:0Canonical exit: 20 Feb 2025 (T+90)
- 15,000 sharesClass A Common StockSEC:0001628280-24-027582:0
- 9,239 shares0Class A Common StockSEC:0001628280-24-026052:0
- 30,000 shares@ US$15.6979.9% of flowClass A Common StockSEC:0001209191-23-045836:1
- 30,000 sharesClass A Common StockSEC:0001209191-23-045836:0
- 36,583 sharesClass A Common StockSEC:0001209191-23-032577:0
- 42,000 shares@ US$0.283.7% of flowCommon StockSEC:0001062993-22-017866:0
- 15,000 shares@ US$15.0062.7% of flowCommon StockSEC:0001891015-21-000008:0
- 10,000 shares@ US$10.0026.5% of flowCommon StockSEC:0001808806-21-000001:0
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