Mark L Feidler
CIK 1026941 · View on SEC EDGAR ↗
Insider
First SEC filing: May 8, 2007 · Latest: May 8, 2007
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 23 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 7, 2026 | EFX | A | 1,253 | $175.62 | $220,052 | 25,077 Direct | +5.26% | Acquired | 10.2% (price as of 2026-08-20) |
| May 8, 2025 | EFX | A | 812 | — | — | 23,818 Direct | +3.53% | Acquired | (price as of 2026-08-20) |
| May 2, 2024 | EFX | A | 891 | — | — | 23,002 Direct | +4.03% | Acquired | (price as of 2026-08-20) |
| May 4, 2023 | EFX | A | 1,014 | — | — | 22,105 Direct | +4.81% | Acquired | (price as of 2026-08-20) |
| May 5, 2022 | EFX | A | 865 | — | — | 21,084 Direct | +4.28% | Acquired | (price as of 2026-08-20) |
| May 6, 2021 | EFX | A | 759 | — | — | 20,215 Direct | +3.90% | Acquired | (price as of 2026-08-20) |
| May 7, 2020 | EFX | A | 1,147 | — | — | 19,443 Direct | +6.27% | Acquired | (price as of 2026-08-20) |
| May 2, 2019 | EFX | A | 1,379 | — | — | 18,284 Direct | +8.16% | Acquired | (price as of 2026-08-20) |
| May 3, 2018 | EFX | A | 1,512 | — | — | 16,885 Direct | +9.84% | Acquired | (price as of 2026-08-20) |
| May 4, 2017 | EFX | A | 1,243 | — | — | 15,357 Direct | +8.81% | Acquired | (price as of 2026-08-20) |
| Dec. 15, 2016 | EFX | G | 10,775 | — | — | 14,114 Direct | -43.29% | Disposed | (price as of 2026-08-20) |
| May 5, 2016 | EFX | A | 1,250 | — | — | 24,889 Direct | +5.29% | Acquired | (price as of 2026-08-20) |
| May 1, 2015 | EFX | A | 1,527 | — | — | 23,639 Direct | +6.91% | Acquired | (price as of 2026-08-20) |
| May 2, 2014 | EFX | A | 1,904 | — | — | 22,112 Direct | +9.42% | Acquired | (price as of 2026-08-20) |
| May 2, 2014 | EFX | A | 1,912 | — | — | 22,120 Direct | +9.46% | Acquired | (price as of 2026-08-20) |
| May 2, 2013 | EFX | A | 2,198 | — | — | 25,078 Direct | +9.61% | Acquired | (price as of 2026-08-20) |
| May 3, 2012 | EFX | A | 2,694 | — | — | 22,880 Direct | +13.35% | Acquired | (price as of 2026-08-20) |
| May 5, 2011 | EFX | A | 3,227 | — | — | 20,186 Direct | +19.03% | Acquired | (price as of 2026-08-20) |
| May 7, 2010 | EFX | A | 3,959 | — | — | 16,959 Direct | +30.45% | Acquired | (price as of 2026-08-20) |
| May 8, 2009 | EFX | A | 3,000 | — | — | 13,000 Direct | +30.00% | Acquired | (price as of 2026-08-20) |
| May 9, 2008 | EFX | A | 3,000 | — | — | 10,000 Direct | +42.86% | Acquired | (price as of 2026-08-20) |
| May 4, 2007 | EFX | A | 3,000 | — | — | 7,000 Direct | +75.00% | Acquired | (price as of 2026-08-20) |
| March 1, 2007 | EFX | A | 4,000 | — | — | 4,000 Direct | — | Acquired | (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 2, 2007 | EFX | Common Stock | 0 | Direct |