Naemura David H. has filed 31 insider transactions across 1 company since October 2023.
Most recent transaction: a option exercise of 12912 shares of NEOGEN CORP ($NEOG) on December 01, 2025.
Activity breakdown: 3 open-market purchases and 0 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 1, 2025 | NEOGEN CORP | $NEOG | Naemura David H. | Former CFO | M | Common Stock | 12912 | $5.98 | 93,936.0000 | 217,525,981 | 15.94% | 0.01% |
| Dec. 1, 2025 | NEOGEN CORP | $NEOG | Naemura David H. | Former CFO | F | Common Stock | 3548 | $5.98 | 90,388.0000 | 217,525,981 | 3.78% | 0.00% |
| Dec. 1, 2025 | NEOGEN CORP | $NEOG | Naemura David H. | Former CFO | M | Restricted Stock Units | 12912 | $5.98 | 0.0000 | 217,525,981 | 100.00% | 0.01% |
| Oct. 27, 2025 | NEOGEN CORP | $NEOG | Naemura David H. | Chief Financial Officer | M | Common Stock | 15504 | $6.19 | 85,285.0000 | 217,298,626 | 22.22% | 0.01% |
| Oct. 27, 2025 | NEOGEN CORP | $NEOG | Naemura David H. | Chief Financial Officer | F | Common Stock | 4261 | $6.19 | 81,024.0000 | 217,298,626 | 5.00% | 0.00% |
| Oct. 27, 2025 | NEOGEN CORP | $NEOG | Naemura David H. | Chief Financial Officer | M | Restricted Stock Units | 15504 | $6.19 | 15,504.0000 | 217,298,626 | 50.00% | 0.01% |
| Aug. 18, 2025 | NEOGEN CORP | $NEOG | Naemura David H. | CFO | F | Common Stock | 5947 | $5.43 | 69,781.0000 | 217,044,498 | 7.85% | 0.00% |
| Aug. 18, 2025 | NEOGEN CORP | $NEOG | Naemura David H. | CFO | M | Common Stock | 14294 | $5.43 | 75,728.0000 | 217,044,498 | 23.27% | 0.01% |
| Aug. 18, 2025 | NEOGEN CORP | $NEOG | Naemura David H. | CFO | M | Restricted Stock Units | 14294 | $5.43 | 28,588.0000 | 217,044,498 | 33.33% | 0.01% |
| Aug. 15, 2025 | NEOGEN CORP | $NEOG | Naemura David H. | CFO | A | Common Stock | 230203 | $5.43 | 291,637.0000 | 217,044,498 | 374.72% | 0.11% |
| Aug. 15, 2025 | NEOGEN CORP | $NEOG | Naemura David H. | CFO | A | Common Stock (Right to Buy) | 591690 | $0.00 | 591,690.0000 | 217,044,498 | 9999.99% | 0.27% |
| June 2, 2025 | NEOGEN CORP | $NEOG | Naemura David H. | Chief Financial Officer | A | Common Stock (Right to Buy) | 211723 | $0.00 | 211,723.0000 | 217,044,498 | 9999.99% | 0.10% |
| June 2, 2025 | NEOGEN CORP | $NEOG | Naemura David H. | Chief Financial Officer | A | Common Stock | 52724 | $5.69 | 114,158.0000 | 217,044,498 | 85.82% | 0.02% |
| Jan. 16, 2025 | NEOGEN CORP | $NEOG | Naemura David H. | CFO | A | Common Stock | 10034 | $11.60 | 71,468.0000 | 216,944,017 | 16.33% | 0.00% |
| Jan. 16, 2025 | NEOGEN CORP | $NEOG | Naemura David H. | CFO | A | Common Stock (Right to Buy) | 45150 | $0.00 | 45,150.0000 | 216,944,017 | 9999.99% | 0.02% |
| Jan. 16, 2025 | NEOGEN CORP | $NEOG | Naemura David H. | CFO | P | Common Stock | 14800 | $11.11 | 61,434.0000 | 216,944,017 | 31.74% | 0.01% |
| Nov. 29, 2024 | NEOGEN CORP | $NEOG | Naemura David H. | CFO | F | Common Stock | 5371 | $14.14 | 46,634.0000 | 216,698,138 | 10.33% | 0.00% |
| Nov. 29, 2024 | NEOGEN CORP | $NEOG | Naemura David H. | CFO | M | Common Stock | 12911 | $14.14 | 52,005.0000 | 216,698,138 | 33.03% | 0.01% |
| Nov. 29, 2024 | NEOGEN CORP | $NEOG | Naemura David H. | CFO | M | Restricted Stock Units | 12911 | $14.14 | 12,911.0000 | 216,698,138 | 50.00% | 0.01% |
| Oct. 28, 2024 | NEOGEN CORP | $NEOG | Naemura David H. | Chief Financial Officer | M | Restricted Stock Units | 15504 | $13.81 | 31,008.0000 | 216,698,138 | 33.33% | 0.01% |
| Oct. 28, 2024 | NEOGEN CORP | $NEOG | Naemura David H. | Chief Financial Officer | M | Common Stock | 15504 | $13.81 | 45,544.0000 | 216,698,138 | 51.61% | 0.01% |
| Oct. 28, 2024 | NEOGEN CORP | $NEOG | Naemura David H. | Chief Financial Officer | F | Common Stock | 6450 | $13.81 | 39,094.0000 | 216,698,138 | 14.16% | 0.00% |
| Aug. 15, 2024 | NEOGEN CORP | $NEOG | Naemura David H. | Chief Financial Officer | A | Common Stock (Right to Buy) | 201764 | $0.00 | 680,694.0000 | 217,044,498 | 42.13% | 0.09% |
| Aug. 15, 2024 | NEOGEN CORP | $NEOG | Naemura David H. | Chief Financial Officer | A | Common Stock | 42883 | $16.79 | 72,335.0000 | 217,044,498 | 145.60% | 0.02% |
| April 10, 2024 | NEOGEN CORP | $NEOG | Naemura David H. | CFO | P | Common Stock | 12500 | $12.51 | 30,040.0000 | 216,245,501 | 71.27% | 0.01% |
| Oct. 26, 2023 | NEOGEN CORP | $NEOG | Naemura David H. | CFO | A | Restricted Stock Units | 46512 | $0.00 | 85,247.0000 | 216,245,501 | 120.08% | 0.02% |
| Oct. 26, 2023 | NEOGEN CORP | $NEOG | Naemura David H. | CFO | A | Common Stock (Right to Buy) | 179550 | $0.00 | 559,297.0000 | 216,245,501 | 47.28% | 0.08% |
| Oct. 26, 2023 | NEOGEN CORP | $NEOG | Naemura David H. | CFO | A | Common Stock (Right to Buy) | 379747 | $0.00 | 559,297.0000 | 216,245,501 | 211.50% | 0.18% |
| Oct. 26, 2023 | NEOGEN CORP | $NEOG | Naemura David H. | CFO | M | Restricted Stock Units | 46512 | $0.00 | 85,247.0000 | 216,245,501 | 120.08% | 0.02% |
| Oct. 26, 2023 | NEOGEN CORP | $NEOG | Naemura David H. | CFO | M | Common Stock (Right to Buy) | 179550 | $0.00 | 351,963.0000 | 216,245,501 | 104.14% | 0.08% |
| Oct. 11, 2023 | NEOGEN CORP | $NEOG | Naemura David H. | CFO | P | Common Stock | 10000 | $15.03 | 10,000.0000 | 216,245,501 | 9999.99% | 0.00% |