| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director | CEO
3 companies
Brian C Walker is Director at GNTX, with reported holdings spanning 3 companies. Brian C Walker's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $1.1M at current prices.
Brian C Walker's largest disclosed position is in GNTX as Director, worth about $616K. The GNTX filings lean toward selling, a net 5,939 shares.
Brian C Walker has 66 Form 4 filings on record from January 2015 to November 2026, across 4 companies: Director at UFP Industries (UFPI), 2020–2026; Director at Horizon Bancorp (HBNC), 2025–2026; Director at Gentex (GNTX), 2018–2026, and 1 more.
The 134 reported transactions were 35 option or other derivative awards, 29 tax withholdings, 27 open-market sales and 20 option exercises, plus smaller numbers of other types.
Counted by filing, the open-market trades come to 1 purchase worth about $24K and 15 sales worth about $22.0M.
The only open-market purchase was 1,306 shares of HBNC at an average $18.36 on April 28, 2026, about $24K.
The largest open-market sale was 143,379 shares of MLKN at an average $38.06 on July 19, 2018, about $5.5M.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| May 15, 2026 | GNTX Gentex Corporation | Director | Sell | 5,939 | $22.98 | $136,449.71 | -19.7% | +3.6% | - | |
| Apr 28, 2026 | HBNC Horizon Bancorp, Inc. | Director | Buy | 1,306 | $18.36 | $23,978.16 | +23.6% | +10.7% | - | |
| Jul 20, 2018 | MLKN Millerknoll, Inc. | CEO | Sale+OE | 14,400 | $38.17 | $549,717.12 | -46.4% | - | - | |
| Jul 19, 2018 | MLKN Millerknoll, Inc. | CEO | Sale+OE | 143,379 | $38.06 | $5,456,563.49 | -89.6% | - | - | |
| Jul 13, 2018 | MLKN Millerknoll, Inc. | CEO | Sale+OE | 30,362 | $38.77 | $1,177,219.75 | -88.2% | - | - | |
| Jul 6, 2018 | MLKN Millerknoll, Inc. | CEO | Sell | 18,000 | $38.49 | $692,836.20 | -87.0% | - | - | |
| Mar 9, 2018 | MLKN Millerknoll, Inc. | CEO | Sell | 125,000 | $37.98 | $4,747,262.50 | -79.2% | - | - | |
| Feb 9, 2018 | MLKN Millerknoll, Inc. | CEO | Sale+OE | 90,003 | $36.27 | $3,264,221.98 | -52.8% | - | - | |
| Oct 17, 2017 | MLKN Millerknoll, Inc. | CEO | Sell | 14,000 | $35.38 | $495,356.40 | -14.8% | - | - | |
| Sep 18, 2017 | MLKN Millerknoll, Inc. | CEO | Sell | 14,000 | $34.80 | $487,264.40 | -12.9% | - | - |