Director Tripeny R Tony bought MESA LABORATORIES INC ($MLAB) shares once on the open market in the last year, for a total of $99,940. His most recent purchase occurred on March 10, 2026. Among nearly 5,000 insiders, his buying ranks 2,304th by amount, below the $1.46 million average across 3.3 transactions per buyer. He reported no open market sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 10, 2026 | MESA LABORATORIES INC /CO/ | $MLAB | Tripeny R Tony | Director | P | Common Stock | 1315 | $76.00 | 5,398.0000 | 5,565,000 | 32.21% | 0.02% |
| Dec. 31, 2025 | Origin Materials, Inc. | $ORGN | Tripeny R Tony | Not found | A | Common Stock | 25815 | $0.48 | 776,570.0000 | 151,149,855 | 3.44% | 0.02% |
| Sept. 30, 2025 | Origin Materials, Inc. | $ORGN | Tripeny R Tony | Not found | A | Common Stock | 24103 | $0.52 | 750,755.0000 | 149,354,886 | 3.32% | 0.02% |
| Aug. 15, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Tripeny R Tony | Director | M | Restricted Stock Units - 3 | 1404 | $0.00 | 0.0000 | 5,421,000 | 100.00% | 0.03% |
| Aug. 15, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Tripeny R Tony | Director | M | Common Stock | 1404 | $0.00 | 4,083.0000 | 5,421,000 | 52.41% | 0.03% |
| Aug. 15, 2025 | MESA LABORATORIES INC /CO/ | $MLAB | Tripeny R Tony | Director | A | Restricted Stock Units - 4 | 2784 | $0.00 | 2,784.0000 | 5,421,000 | 9999.99% | 0.05% |
| June 30, 2025 | Origin Materials, Inc. | $ORGN | Tripeny R Tony | Not found | A | Common Stock | 25879 | $0.48 | 726,652.0000 | 149,354,886 | 3.69% | 0.02% |
| May 6, 2025 | Origin Materials, Inc. | $ORGN | Tripeny R Tony | Not found | A | Common Stock | 272642 | $0.00 | 700,773.0000 | 149,354,886 | 63.68% | 0.18% |
| March 31, 2025 | Origin Materials, Inc. | $ORGN | Tripeny R Tony | Not found | A | Common Stock | 18836 | $0.66 | 428,131.0000 | 149,354,886 | 4.60% | 0.01% |
| Dec. 31, 2024 | Origin Materials, Inc. | $ORGN | Tripeny R Tony | Not found | A | Common Stock | 9765 | $1.28 | 409,295.0000 | 0 | 2.44% | 0.00% |
| Sept. 30, 2024 | Origin Materials, Inc. | $ORGN | Tripeny R Tony | Not found | A | Common Stock | 8116 | $0.00 | 399,530.0000 | 0 | 2.07% | 0.00% |
| Sept. 1, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Tripeny R Tony | Director | M | Restricted Stock Units - 2 | 1074 | $0.00 | 0.0000 | 5,386,000 | 100.00% | 0.02% |
| Sept. 1, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Tripeny R Tony | Director | M | Common Stock | 1074 | $0.00 | 2,679.0000 | 5,386,000 | 66.92% | 0.02% |
| Aug. 15, 2024 | MESA LABORATORIES INC /CO/ | $MLAB | Tripeny R Tony | Director | A | Restricted Stock Units - 3 | 1404 | $0.00 | 1,404.0000 | 5,386,000 | 9999.99% | 0.03% |
| June 30, 2024 | Origin Materials, Inc. | $ORGN | Tripeny R Tony | Not found | A | Common Stock | 13868 | $0.00 | 391,414.0000 | 0 | 3.67% | 0.00% |
| May 2, 2024 | Origin Materials, Inc. | $ORGN | Tripeny R Tony | Not found | A | Common Stock | 160272 | $0.00 | 377,546.0000 | 0 | 73.76% | 0.00% |
| March 31, 2024 | Origin Materials, Inc. | $ORGN | Tripeny R Tony | Not found | A | Common Stock | 32589 | $0.00 | 217,274.0000 | 0 | 17.65% | 0.00% |
| Dec. 31, 2023 | Origin Materials, Inc. | $ORGN | Tripeny R Tony | Director | A | Common Stock | 22422 | $0.00 | 184,685.0000 | 0 | 13.82% | 0.00% |
| Sept. 1, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Tripeny R Tony | Director | M | Restricted Stock Units - 2 | 1074 | $0.00 | 1,074.0000 | 5,361,000 | 9999.99% | 0.02% |
| Aug. 15, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Tripeny R Tony | Director | M | Common Stock | 1105 | $0.00 | 1,605.0000 | 5,361,000 | 221.00% | 0.02% |
| Aug. 15, 2023 | MESA LABORATORIES INC /CO/ | $MLAB | Tripeny R Tony | Director | M | Restricted Stock Units - 1 | 1105 | $0.00 | 0.0000 | 5,361,000 | 100.00% | 0.02% |