R. Matthew Neff serves as Executive at BIOANALYTICAL SYSTEMS INC, where they oversee executive responsibilities. Since joining the company, R. Matthew Neff has executed 27 insider transactions totaling $305.2K, demonstrating a bullish approach to their equity position. Their most recent transaction on Dec 1, 2025 involved selling 2,000 shares valued at $1.8K.
R. Matthew Neff currently holds 151,102 shares of BIOANALYTICAL SYSTEMS INC (BASI), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, R. Matthew Neff has been a net buyer of BASI stock. They have purchased $247.9K and sold $57.3K worth of shares.
R. Matthew Neff's most recent insider trade was on Dec 1, 2025, when they sold 2,000 shares at $0.89 per share.
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| $1.24 |
| Discretionary |
| Oct 24, 2025 | NOTV | $19.4K | Option Exercise | 10,000 | $1.94 | Discretionary |
| Oct 1, 2025 | NOTV | $2.9K | Sale | 2,000 | $1.43 | Discretionary |
| Aug 1, 2025 | NOTV | $3.8K | Sale | 2,000 | $1.91 | Discretionary |
| Aug 10, 2024 | NOTV | $0 | Award | 27,500 | $N/A | Discretionary |
| Apr 1, 2023 | NOTV | $0 | Award | 25,822 | $N/A | Discretionary |
| Dec 1, 2022 | NOTV | $6.1K | Sale | 1,000 | $6.12 | Discretionary |
| Nov 1, 2022 | NOTV | $10.6K | Sale | 500 | $21.12 | Discretionary |
| Nov 1, 2022 | NOTV | $10.6K | Sale | 500 | $21.13 | Discretionary |
| Oct 17, 2022 | NOTV | $19.1K | Sale | 1,000 | $19.10 | Discretionary |
| Apr 1, 2022 | NOTV | $0 | Award | 4,275 | $N/A | Discretionary |
| Apr 1, 2021 | NOTV | $0 | Award | 2,683 | $N/A | Discretionary |
| Aug 19, 2020 | BASI | $23.8K | Purchase | 5,000 | $4.75 | Discretionary |
| Apr 1, 2020 | BASI | $0 | Award | 10,000 | $N/A | Discretionary |
| Mar 13, 2020 | BASI | $13.2K | Purchase | 3,350 | $3.93 | Discretionary |
| Mar 13, 2020 | BASI | $13.2K | Purchase | 3,350 | $3.93 | Discretionary |
| Mar 12, 2020 | BASI | $32.3K | Purchase | 8,497 | $3.80 | Discretionary |
| Mar 12, 2020 | BASI | $45.6K | Purchase | 12,000 | $3.80 | Discretionary |
| Feb 20, 2020 | BASI | $43.5K | Purchase | 9,458 | $4.60 | Discretionary |
| Feb 20, 2020 | BASI | $43.5K | Purchase | 9,458 | $4.60 | Discretionary |
| Jun 13, 2019 | BASI | $2.8K | Purchase | 1,410 | $1.98 | Discretionary |
| Mar 8, 2019 | BASI | $10.0K | Purchase | 5,715 | $1.75 | Discretionary |
| Sep 14, 2018 | BASI | $4.2K | Purchase | 2,500 | $1.66 | Discretionary |
| Sep 12, 2018 | BASI | $4.1K | Small Acquisition | 2,500 | $1.65 | Discretionary |
| Sep 8, 2017 | BASI | $7.5K | Purchase | 5,000 | $1.50 | Discretionary |
| Aug 18, 2017 | BASI | $8.5K | Purchase | 5,000 | $1.70 | Discretionary |