6 insiders reported 14 Form 4 transactions for Lifeloc Technologies, Inc (LCTC) over the past 18 months (most recent 2026-06-24). Recent activity: Kornelsen Michael (Director) Buy 100 shares, Willkomm Wayne (CEO and President) Buy 1,300 shares, Heim Michelle (Controller) Buy 1,500 shares, Heim Michelle (Controller) Sell 1,500 shares, Siecke Donald E. (Director) Buy 1,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-24 | Kornelsen Michael | Director | Buy | 100 | $250 |
| 2026-06-24 | Willkomm Wayne | CEO and President | Buy | 1,300 | $3,250 |
| 2025-05-05 | Heim Michelle | Controller | Buy | 1,500 | $5,700 |
| 2025-05-05 | Heim Michelle | Controller | Sell | 1,500 | $5,700 |
| 2025-04-18 | Siecke Donald E. | Director | Buy | 1,000 | $3,800 |
| 2025-04-18 | Siecke Donald E. | Director | Buy | 16,000 | $60,800 |
| 2025-04-18 | Siecke Donald E. | Director | Buy | 9,347 | $14,675 |
| 2025-04-18 | Willkomm Wayne | CEO and President | Buy | 37,500 | $142,500 |
| 2025-04-18 | Kornelsen Michael | Director | Buy | 1,000 | $3,800 |
| 2025-04-18 | KORNELSEN VERN D | Chief Financial Officer | Buy | 12,250 | $46,550 |
| 2025-03-04 | Kashenberg Adam W. | Director | Sell | 1,000 | $3,800 |
| 2025-03-04 | Willkomm Wayne | CEO and President | Buy | 37,500 | $142,500 |
| 2025-03-04 | Siecke Donald E. | Director | Buy | 1,000 | $3,800 |
| 2025-03-04 | Kornelsen Michael | Director | Buy | 1,000 | $3,800 |
Source: SEC Form 4 filings · as of 2026-06-24