William M. Moore serves as Executive at NATUS MEDICAL INC, where they oversee executive responsibilities. Since joining the company, William M. Moore has executed 196 insider transactions totaling $12.0M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 16, 2025 involved purchasing 2,000 shares valued at $2.0K.
William M. Moore currently holds 251,550 shares of NATUS MEDICAL INC (BABY), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, William M. Moore has been a net seller of BABY stock. They have purchased $1.0M and sold $11.0M worth of shares.
William M. Moore's most recent insider trade was on Dec 16, 2025, when they purchased 2,000 shares at $1.01 per share.
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| $N/A |
| Discretionary |
| Dec 12, 2025 | IRIX | $0 | Purchase | 20,920 | $N/A | Discretionary |
| Dec 11, 2025 | IRIX | $0 | Purchase | 9,080 | $N/A | Discretionary |
| Nov 17, 2025 | IRIX | $21.2K | Purchase | 21,843 | $0.97 | Discretionary |
| Nov 14, 2025 | IRIX | $27.3K | Purchase | 28,157 | $0.97 | Discretionary |
| Aug 18, 2025 | IRIX | $14.2K | Purchase | 12,024 | $1.18 | Discretionary |
| Apr 24, 2019 | IRIX | $423 | Payment | 91 | $4.65 | Discretionary |
| Mar 24, 2019 | IRIX | $385 | Payment | 88 | $4.38 | Discretionary |
| Feb 24, 2019 | IRIX | $515 | Payment | 108 | $4.77 | Discretionary |
| Jan 24, 2019 | IRIX | $492 | Payment | 107 | $4.60 | Discretionary |
| Jan 3, 2019 | IRIX | $19.4K | Payment | 4,325 | $4.48 | Discretionary |
| Dec 24, 2018 | IRIX | $370 | Payment | 91 | $4.07 | Discretionary |
| Dec 12, 2018 | IRIX | $43.4K | Purchase | 10,000 | $4.34 | Discretionary |
| Nov 27, 2018 | IRIX | $47.1K | Purchase | 10,000 | $4.71 | Discretionary |
| Nov 24, 2018 | IRIX | $0 | Payment | 1,462 | $N/A | Discretionary |
| Sep 14, 2018 | IRIX | $65.6K | Purchase | 10,000 | $6.56 | Discretionary |
| Jul 28, 2018 | IRIX | $0 | Award | 40,000 | $N/A | Discretionary |
| Jun 4, 2018 | IRIX | $19.8K | Option Exercise | 5,000 | $3.95 | Discretionary |
| Jun 4, 2018 | IRIX | $18.8K | Option Exercise | 5,000 | $3.75 | Discretionary |
| May 16, 2018 | BABY | $107.7K | Sale | 3,000 | $35.91 | Discretionary |
| May 16, 2018 | BABY | $53.5K | Option Exercise | 5,000 | $10.69 | Discretionary |
| May 16, 2018 | BABY | $179.6K | Sale | 5,000 | $35.91 | Discretionary |
| May 16, 2018 | BABY | $73.5K | Option Exercise | 3,000 | $24.50 | Discretionary |
| Dec 12, 2017 | IRIX | $39.2K | Purchase | 5,000 | $7.84 | Discretionary |
| Nov 13, 2017 | BABY | $205.1K | Sale | 5,000 | $41.01 | Discretionary |
| Sep 15, 2017 | IRIX | $17.0K | Purchase | 1,800 | $9.42 | Discretionary |
| Aug 28, 2017 | IRIX | $0 | Other | 4,703 | $N/A | Discretionary |
| Aug 14, 2017 | BABY | $102.3K | Sale | 3,000 | $34.10 | Discretionary |
| Jul 24, 2017 | IRIX | $143.1K | Award | 15,000 | $9.54 | Discretionary |