United States Lime & Minerals Inc. (USLM)
United States Lime & Minerals Inc. (USLM) Insider Trading
Directors, officers and holders of more than 10% of USLM report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 68 transactions on file: 1 with code P, 7 with code S and 42 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 9, 2026 | Candou Holdings Ltd. | 10% Owner | P Purchase | 20,000 | $110.00 | $2,200,000 |
| Sep 9, 2026 | DOUMET ANTOINE M | Director | S Sale | 20,000 | $110.00 | $2,200,000 |
| May 1, 2026 | Weirich Lila R | Director | A Award | 1,273 | $110.00 | $140,030 |
| May 1, 2026 | DOUMET ANTOINE M | Director | M Exercise | 3,405 | $110.00 | $374,550 |
| May 1, 2026 | DOUMET ANTOINE M | Director | A Award | 3,405 | $110.00 | $374,550 |
| May 1, 2026 | Wolkenstein Jon A | Director | A Award | 1,273 | $110.00 | $140,030 |
| May 1, 2026 | Hawkins Tom S Jr | Director | A Award | 1,273 | $110.00 | $140,030 |
| May 1, 2026 | CARDIN RICHARD W | Director | A Award | 1,273 | $110.00 | $140,030 |
| May 1, 2026 | Duhe Sandra C | Director | A Award | 1,273 | $110.00 | $140,030 |
| Mar 17, 2026 | DOUMET ANTOINE M | Director | M Exercise | 12,000 | $10.71 | $128,520 |
| Mar 17, 2026 | DOUMET ANTOINE M | Director | M Exercise | 12,000 | $10.71 | $128,520 |
| Mar 3, 2026 | Duhe Sandra C | Director | S Sale | 1,277 | $120.45 | $153,815 |
| Feb 3, 2026 | Gagnon John J | Vice President | F Tax Payment | 123 | $118.13 | $14,530 |
| Feb 3, 2026 | Wiedemer Michael L | Vice President | F Tax Payment | 165 | $118.13 | $19,491 |
| Feb 3, 2026 | Stone Timothy Wade | Vice President | F Tax Payment | 136 | $118.13 | $16,066 |
| Feb 3, 2026 | O'Neill Nathan | Vice President | F Tax Payment | 166 | $118.13 | $19,610 |
| Feb 2, 2026 | Wiedemer Michael L | Vice President | A Award | 426 | $123.61 | $52,658 |
| Feb 2, 2026 | Gagnon John J | Vice President | F Tax Payment | 75 | $123.61 | $9,271 |
| Feb 2, 2026 | O'Neill Nathan | Vice President | A Award | 426 | $123.61 | $52,658 |
| Feb 2, 2026 | O'Neill Nathan | Vice President | F Tax Payment | 105 | $123.61 | $12,979 |
| Feb 2, 2026 | Stone Timothy Wade | Vice President | A Award | 336 | $123.61 | $41,533 |
| Feb 2, 2026 | Stone Timothy Wade | Vice President | F Tax Payment | 100 | $123.61 | $12,361 |
| Feb 2, 2026 | Wiedemer Michael L | Vice President | F Tax Payment | 95 | $123.61 | $11,743 |
| Feb 2, 2026 | Gagnon John J | Vice President | A Award | 210 | $123.61 | $25,958 |
| Dec 31, 2025 | BYRNE TIMOTHY W | President & CEO | F Tax Payment | 18,691 | $119.74 | $2,238,060 |
| Dec 31, 2025 | BYRNE TIMOTHY W | President & CEO | A Award | 47,500 | $119.74 | $5,687,650 |
| Dec 4, 2025 | Hawkins Tom S Jr | Director | G Gift | 80 | Not measured | Not measured |
| Dec 4, 2025 | Hawkins Tom S Jr | Director | G Gift | 100 | Not measured | Not measured |
| Dec 4, 2025 | Hawkins Tom S Jr | Director | G Gift | 100 | Not measured | Not measured |
| Sep 5, 2025 | BYRNE TIMOTHY W | President & CEO | G Gift | 500 | $120.99 | $60,495 |
| Sep 4, 2025 | BYRNE TIMOTHY W | President & CEO | S Sale | 596 | $120.76 | $71,973 |
| Sep 4, 2025 | BYRNE TIMOTHY W | President & CEO | S Sale | 11,504 | $119.43 | $1,373,923 |
| Sep 3, 2025 | BYRNE TIMOTHY W | President & CEO | S Sale | 1,391 | $124.18 | $172,734 |
| Sep 3, 2025 | BYRNE TIMOTHY W | President & CEO | S Sale | 26,034 | $120.88 | $3,146,990 |
| May 2, 2025 | Hawkins Tom S Jr | Director | A Award | 1,403 | $99.81 | $140,033 |
| May 2, 2025 | DOUMET ANTOINE M | Director | A Award | 3,809 | $99.81 | $380,176 |
| May 2, 2025 | Wolkenstein Jon A | Director | A Award | 1,403 | $99.81 | $140,033 |
| May 2, 2025 | CARDIN RICHARD W | Director | A Award | 1,403 | $99.81 | $140,033 |
| May 2, 2025 | Weirich Lila R | Director | A Award | 1,403 | $99.81 | $140,033 |
| May 2, 2025 | Duhe Sandra C | Director | A Award | 1,403 | $99.81 | $140,033 |
| Mar 3, 2025 | DOUMET ANTOINE M | Director | M Exercise | 12,000 | $13.34 | $160,080 |
| Mar 3, 2025 | DOUMET ANTOINE M | Director | M Exercise | 12,000 | $13.34 | $160,080 |
| Feb 24, 2025 | Duhe Sandra C | Director | S Sale | 3,157 | $94.61 | $298,684 |
| Feb 6, 2025 | Stone Timothy Wade | Vice President | G Gift | 40 | Not measured | Not measured |
| Feb 3, 2025 | Gagnon John J | Vice President | A Award | 210 | $110.47 | $23,199 |
| Feb 3, 2025 | Gagnon John J | Vice President | F Tax Payment | 103 | $110.47 | $11,378 |
| Feb 3, 2025 | Stone Timothy Wade | Vice President | A Award | 336 | $110.47 | $37,118 |
| Feb 3, 2025 | Stone Timothy Wade | Vice President | F Tax Payment | 103 | $110.47 | $11,378 |
| Feb 3, 2025 | O'Neill Nathan | Vice President | A Award | 426 | $110.47 | $47,060 |
| Feb 3, 2025 | O'Neill Nathan | Vice President | F Tax Payment | 124 | $110.47 | $13,698 |
The full Form 4 history is on the USLM company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.