Donald E Clarke
Insider
First SEC filing: June 8, 2026 · Latest: June 8, 2026
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 13, 2026 | CMRC | A | 5,156 | · | · | 209,339 Direct | +2.53% | Acquired | (price as of 2026-10-02) |
| June 4, 2026 | ALRM | A | 3,222 | · | · | 18,175 Direct | +21.55% | Acquired | (price as of 2026-10-02) |
| May 14, 2026 | CMRC | A | 69,584 | · | · | 204,183 Direct | +51.70% | Acquired | (price as of 2026-10-02) |
| Feb. 25, 2026 | CMRC | A | 4,664 | · | · | 134,599 Direct | +3.59% | Acquired | (price as of 2026-10-02) |
| Nov. 13, 2025 | CMRC | A | 3,275 | · | · | 129,935 Direct | +2.59% | Acquired | (price as of 2026-10-02) |
| Aug. 14, 2025 | CMRC | A | 3,169 | · | · | 126,660 Direct | +2.57% | Acquired | (price as of 2026-10-02) |
| June 5, 2025 | CMRC | A | 34,337 | · | · | 120,532 Direct | +39.84% | Acquired | (price as of 2026-10-02) |
| June 5, 2025 | CMRC | A | 2,959 | · | · | 123,491 Direct | +2.45% | Acquired | (price as of 2026-10-02) |
| June 5, 2025 | ALRM | A | 2,510 | · | · | 14,953 Direct | +20.17% | Acquired | (price as of 2026-10-02) |
| Feb. 27, 2025 | CMRC | A | 2,135 | · | · | 86,195 Direct | +2.54% | Acquired | (price as of 2026-10-02) |
| Nov. 21, 2024 | CMRC | A | 2,403 | · | · | 84,060 Direct | +2.94% | Acquired | (price as of 2026-10-02) |
| Aug. 14, 2024 | CMRC | A | 1,828 | · | · | 81,657 Direct | +2.29% | Acquired | (price as of 2026-10-02) |
| June 6, 2024 | ALRM | A | 2,304 | · | · | 12,443 Direct | +22.72% | Acquired | (price as of 2026-10-02) |
| May 16, 2024 | CMRC | A | 2,182 | · | · | 51,052 Direct | +4.46% | Acquired | (price as of 2026-10-02) |
| May 16, 2024 | CMRC | A | 28,777 | · | · | 79,829 Direct | +56.37% | Acquired | (price as of 2026-10-02) |
| March 9, 2024 | CMRC | A | 1,660 | · | · | 48,870 Direct | +3.52% | Acquired | (price as of 2026-10-02) |
| Nov. 9, 2023 | CMRC | A | 1,451 | · | · | 47,210 Direct | +3.17% | Acquired | (price as of 2026-10-02) |
| Aug. 10, 2023 | CMRC | A | 1,354 | · | · | 45,759 Direct | +3.05% | Acquired | (price as of 2026-10-02) |
| June 8, 2023 | ALRM | A | 2,837 | · | · | 10,139 Direct | +38.85% | Acquired | (price as of 2026-10-02) |
| May 18, 2023 | CMRC | A | 23,007 | · | · | 42,661 Direct | +117.06% | Acquired | (price as of 2026-10-02) |
| May 18, 2023 | CMRC | A | 1,744 | · | · | 44,405 Direct | +4.09% | Acquired | (price as of 2026-10-02) |
| March 3, 2023 | CMRC | A | 1,204 | · | · | 19,654 Direct | +6.53% | Acquired | (price as of 2026-10-02) |
| Nov. 8, 2022 | CMRC | A | 878 | · | · | 18,450 Direct | +5.00% | Acquired | (price as of 2026-10-02) |
| Aug. 9, 2022 | CMRC | A | 721 | · | · | 17,572 Direct | +4.28% | Acquired | (price as of 2026-10-02) |
| June 3, 2022 | ALRM | A | 2,226 | · | · | 7,302 Direct | +43.85% | Acquired | (price as of 2026-10-02) |
| May 17, 2022 | CMRC | A | 10,114 | · | · | 16,851 Direct | +150.13% | Acquired | (price as of 2026-10-02) |
| May 11, 2022 | ALRM | G | 1,899 | · | · | 1,899 Indirect | · | Acquired | (price as of 2026-10-02) |
| May 11, 2022 | ALRM | G | 1,899 | · | · | 1,899 Indirect | · | Acquired | (price as of 2026-10-02) |
| May 11, 2022 | ALRM | G | 1,899 | · | · | 1,899 Indirect | · | Acquired | (price as of 2026-10-02) |
| May 11, 2022 | ALRM | G | 1,899 | · | · | 1,899 Indirect | · | Acquired | (price as of 2026-10-02) |
| May 11, 2022 | ALRM | G | 1,899 | · | · | 1,899 Indirect | · | Acquired | (price as of 2026-10-02) |
| May 11, 2022 | ALRM | G | 9,495 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| May 3, 2022 | CMRC | G | 77,820 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| May 3, 2022 | CMRC | G | 15,564 | · | · | 15,564 Indirect | · | Acquired | (price as of 2026-10-02) |
| May 3, 2022 | CMRC | G | 15,564 | · | · | 15,564 Indirect | · | Acquired | (price as of 2026-10-02) |
| May 3, 2022 | CMRC | G | 15,564 | · | · | 15,564 Indirect | · | Acquired | (price as of 2026-10-02) |
| May 3, 2022 | CMRC | G | 15,564 | · | · | 15,564 Indirect | · | Acquired | (price as of 2026-10-02) |
| May 3, 2022 | CMRC | G | 15,564 | · | · | 15,564 Indirect | · | Acquired | (price as of 2026-10-02) |
| March 11, 2022 | CMRC | A | 444 | · | · | 6,737 Direct | +7.06% | Acquired | (price as of 2026-10-02) |
| March 4, 2022 | CMRC | G | 77,820 | · | · | 74,383 Direct | -51.13% | Disposed | (price as of 2026-10-02) |
| March 4, 2022 | CMRC | G | 77,820 | · | · | 77,820 Indirect | · | Acquired | (price as of 2026-10-02) |
| March 4, 2022 | CMRC | G | 68,090 | · | · | 6,293 Direct | -91.54% | Disposed | (price as of 2026-10-02) |
| March 4, 2022 | CMRC | G | 68,090 | · | · | 68,090 Indirect | · | Acquired | (price as of 2026-10-02) |
| March 4, 2022 | ALRM | G | 9,495 | · | · | 5,076 Direct | -65.16% | Disposed | (price as of 2026-10-02) |
| March 4, 2022 | ALRM | G | 7,520 | · | · | 14,571 Direct | -34.04% | Disposed | (price as of 2026-10-02) |
| Nov. 11, 2021 | CMRC | A | 245 | · | · | 151,958 Direct | +0.16% | Acquired | (price as of 2026-10-02) |
| Nov. 11, 2021 | CMRC | A | 245 | · | · | 152,203 Direct | +0.16% | Acquired | (price as of 2026-10-02) |
| June 10, 2021 | ALRM | A | 1,787 | · | · | 22,091 Direct | +8.80% | Acquired | (price as of 2026-10-02) |
| May 14, 2021 | CMRC | A | 225 | · | · | 148,439 Direct | +0.15% | Acquired | (price as of 2026-10-02) |
| May 14, 2021 | CMRC | A | 3,274 | · | · | 151,713 Direct | +2.21% | Acquired | (price as of 2026-10-02) |
| March 16, 2021 | CMRC | A | 176 | · | · | 148,214 Direct | +0.12% | Acquired | (price as of 2026-10-02) |
| March 15, 2021 | ALRM | M | 6,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 15, 2021 | ALRM | S | 4,846 | $89.06 | $431,585 | 20,304 Direct | -19.27% | Disposed | -38.6% (price as of 2026-10-02) |
| March 15, 2021 | ALRM | S | 8,315 | $88.33 | $734,464 | 25,150 Direct | -24.85% | Disposed | -38.1% (price as of 2026-10-02) |
| March 15, 2021 | ALRM | M | 6,000 | $11.55 | $69,300 | 33,465 Direct | +21.85% | Acquired | 373.4% (price as of 2026-10-02) |
| Dec. 16, 2020 | CMRC | A | 1,206 | · | · | 147,872 Direct | +0.82% | Acquired | (price as of 2026-10-02) |
| Dec. 16, 2020 | CMRC | A | 166 | · | · | 148,038 Direct | +0.11% | Acquired | (price as of 2026-10-02) |
| Nov. 25, 2020 | ALRM | M | 30,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 25, 2020 | ALRM | S | 15,000 | $72.74 | $1,091,100 | 27,465 Direct | -35.32% | Disposed | -24.8% (price as of 2026-10-02) |
| Nov. 25, 2020 | ALRM | M | 30,000 | $8.08 | $242,400 | 42,465 Direct | +240.67% | Acquired | 576.7% (price as of 2026-10-02) |
| June 4, 2020 | ALRM | A | 2,593 | · | · | 12,465 Direct | +26.27% | Acquired | (price as of 2026-10-02) |
| June 6, 2019 | ALRM | A | 2,711 | · | · | 9,872 Direct | +37.86% | Acquired | (price as of 2026-10-02) |
| June 8, 2018 | ALRM | A | 3,193 | · | · | 7,161 Direct | +80.47% | Acquired | (price as of 2026-10-02) |
| Dec. 20, 2017 | ALRM | A | 3,968 | · | · | 3,968 Direct | · | Acquired | (price as of 2026-10-02) |
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.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| March 15, 2021 | ALRM | Stock Option (Right to Buy) | Common Stock | $11.55 | May 15, 2025 | 6,000 | Disposed |
| Nov. 25, 2020 | ALRM | Stock Option (Right to Buy) | Common Stock | $8.08 | April 22, 2024 | 30,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.