InsidersTradesSigma
Total declarations
Companies
▲ Purchases (3 ops.)
▼ Sales (28 ops.)
Insider track record
Board DirectorDisclosed buys
3
Disclosed sells
28
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the complete record of transactions filed by Siminoff Ellen F, Executive Chair of the Board. Insider active across 5 companies, notably BigCommerce Holdings, Inc.. Aggregated, 71 disclosures have been published. Split: 3 buys · 28 sells. Total volume traded: €2.8m. Activity tracked since 14 May 2021. The latest transaction was disclosed on 14 August 2026 (Cession). Regulator: SEC (Form 4). All data is accessible without signup.
Companies and markets linked to Siminoff Ellen F
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations71 total
167 shares@ US$242.34Common StockSEC:0000946581-26-000075:0
167 shares@ US$242.34Common StockSEC:0000946581-26-000075:1
167 shares@ US$252.530.0001% mcap50.0% of flowCommon StockSEC:0000946581-26-000067:1
104 shares0Common StockSEC:0000946581-26-000067:0
167 shares@ US$252.530.0001% mcap5.6% of flowCommon StockSEC:0000946581-26-000067:2
270 shares@ US$207.660.0001% mcap32.4% of flowCommon StockSEC:0000946581-26-000034:0
143 shares@ US$207.660.0001% mcap17.1% of flowCommon StockSEC:0000946581-26-000034:1
116 shares0Common StockSEC:0000946581-26-000030:0
270 shares@ US$209.3613.8% of flowCommon StockSEC:0000946581-26-000026:0
100,000 shares@ US$2.9408100.0% of flowSeries 1 Common StockSEC:0001386430-26-000002:0
Canonical exit: 18 May 2026 (T+90)
270 shares@ US$200.006.9% of flowCommon StockSEC:0000946581-26-000012:0
270 shares@ US$245.488.6% of flowCommon StockSEC:0000946581-26-000008:0
96 shares0Common StockSEC:0000946581-26-000004:0
270 shares@ US$242.7110.0% of flowCommon StockSEC:0000946581-25-000045:0
270 shares@ US$235.9510.9% of flowCommon StockSEC:0000946581-25-000035:0
268 shares@ US$259.4213.3% of flowCommon StockSEC:0000946581-25-000033:0
1,064 shares0Common StockSEC:0000946581-25-000029:0
144 shares@ US$246.257.7% of flowCommon StockSEC:0000946581-25-000011:0
356 shares0Common StockSEC:0001127602-25-020567:0
270 shares@ US$237.8017.8% of flowCommon StockSEC:0001127602-25-019268:0
268 shares@ US$230.9521.0% of flowCommon StockSEC:0001127602-25-017628:0
270 shares@ US$229.5227.0% of flowCommon StockSEC:0001127602-25-016854:0
367 shares0Common StockSEC:0001127602-25-016040:0
177,158 shares@ US$6.640352.7% of flowSeries 1 Common StockSEC:0001562180-25-002264:0
Canonical exit: 4 Jun 2025 (T+90)
3,239 shares@ US$6.28250.9% of flowSeries 1 Common StockSEC:0001562180-25-001692:0
Canonical exit: 25 May 2025 (T+90)
25 of 71 declarations
About Siminoff Ellen F
Siminoff Ellen F is Executive Chair of the Board of Commerce.com, Inc. She has 69 filings in total, and in the sampled recent filings the largest amounts are a buy in BigCommerce Holdings, Inc. on 2025-03-10 and a buy in Commerce.com, Inc. on 2026-02-19, with recent sells also in BigCommerce Holdings, Inc. between 2021-07-28 and 2021-08-30.
