InsidersTradesSigma
Total declarations
Company
▲ Purchases (21 ops.)
▼ Sales (0 ops.)
Insider track record
ExecutiveDisclosed buys
21
Disclosed sells
0
T+90 hit rate
33%
T+90 mean return
-1.1%
Across 18 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the full record of transactions filed by Opperman Sarah R, Directeur. Officer active across 1 company, notably ISABELLA BANK Corp. Aggregated, 40 filings have been logged. Split: 21 buys · 0 sell. Total volume traded: €99k. Activity tracked since 4 May 2021. The latest transaction was filed on 2 March 2026 (Attribution). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Opperman Sarah R
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations40 total
36 shares@ US$48.541.2% of flowcommonSEC:0000842517-26-000053:0
277.33 shares@ US$49.589.3% of flowcommonSEC:0000842517-26-000019:0
Canonical exit: 20 Apr 2026 (T+90)
40 shares@ US$43.501.3% of flowcommonSEC:0000842517-25-000228:0
52 shares@ US$33.131.3% of flowcommonSEC:0000842517-25-000176:0
64 shares@ US$27.011.4% of flowcommonSEC:0000842517-25-000111:0
69 shares@ US$24.601.2% of flowcommonSEC:0000842517-25-000036:0
532.948 shares@ US$25.79999.4% of flowcommonSEC:0000842517-25-000011:0
Canonical exit: 24 Apr 2025 (T+90)
67 shares@ US$24.801.1% of flowcommonSEC:0000842517-24-000217:0
86 shares@ US$19.281.1% of flowcommonSEC:0000842517-24-000160:0
83 shares@ US$19.501.1% of flowcommonSEC:0000842517-24-000119:0
200 shares@ US$18.962.5% of flowcommonSEC:0000842517-24-000052:0
Canonical exit: 9 Jun 2024 (T+90)
82 shares@ US$19.641.1% of flowcommonSEC:0000842517-24-000044:0
640.727 shares@ US$21.469.0% of flowcommonSEC:0000842517-24-000014:0
Canonical exit: 28 Apr 2024 (T+90)
79 shares@ US$19.991.0% of flowcommonSEC:0000842517-23-000208:0
78 shares@ US$20.101.0% of flowcommonSEC:0000842517-23-000162:0
65 shares@ US$23.751.0% of flowcommonSEC:0000842517-23-000108:0
150 shares@ US$19.91671.9% of flowcommonSEC:0000842517-23-000088:0
Canonical exit: 8 Aug 2023 (T+90)
100 shares@ US$19.981.3% of flowcommonSEC:0000842517-23-000087:0
Canonical exit: 7 Aug 2023 (T+90)
300 shares@ US$20.994.1% of flowcommonSEC:0000842517-23-000085:0
Canonical exit: 3 Aug 2023 (T+90)
62 shares@ US$24.401.0% of flowcommonSEC:0000842517-23-000041:0
50 shares@ US$22.500.7% of flowcommonSEC:0000842517-23-000012:0
Canonical exit: 27 Apr 2023 (T+90)
63 shares@ US$23.361.0% of flowcommonSEC:0000842517-22-000202:0
58.333 shares@ US$22.500.9% of flowcommonSEC:0000842517-22-000190:0
Canonical exit: 25 Jan 2023 (T+90)
61 shares@ US$23.451.0% of flowcommonSEC:0000842517-22-000162:0
47.368 shares@ US$23.750.8% of flowcommonSEC:0000842517-22-000143:0
Canonical exit: 27 Oct 2022 (T+90)
25 of 40 declarations
About Opperman Sarah R
Sarah R Opperman is Director at ISABELLA BANK Corp (XNAS). She has 40 filings in total, and across the 40 sampled filings, all are acquisitions, with EUR 99471 of buys and EUR 0 of sells, over the period from 2021-05-04 to 2026-03-04.
