David Michael Johnson
CIK 1808098 · View on SEC EDGAR ↗
Insider
First SEC filing: Oct. 28, 2021 · Latest: June 18, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 13 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
13 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 16, 2025 | AURA | P | 5,000 | — | — | 5,000 Direct | — | Acquired | (price as of 2026-08-19) |
| May 16, 2025 | AURA | P | 20,000 | $4.90 | $98,000 | 166,167 Direct | +13.68% | Acquired | 69.2% (price as of 2026-08-19) |
| Nov. 8, 2023 | AURA | P | 10,000 | $7.30 | $73,000 | 75,000 Indirect | +15.38% | Acquired | 13.6% (price as of 2026-08-19) |
| Nov. 8, 2023 | AURA | P | 10,000 | $7.30 | $73,000 | 75,000 Indirect | +15.38% | Acquired | 13.6% (price as of 2026-08-19) |
| Nov. 8, 2023 | AURA | P | 9,601 | $7.30 | $70,087 | 135,667 Direct | +7.62% | Acquired | 13.6% (price as of 2026-08-19) |
| Nov. 7, 2023 | AURA | P | 47,000 | $7.17 | $336,990 | 65,000 Indirect | +261.11% | Acquired | 15.6% (price as of 2026-08-19) |
| Nov. 7, 2023 | AURA | P | 47,000 | $7.17 | $336,990 | 65,000 Indirect | +261.11% | Acquired | 15.6% (price as of 2026-08-19) |
| Nov. 7, 2023 | AURA | P | 76,000 | $7.17 | $544,920 | 126,066 Direct | +151.80% | Acquired | 15.6% (price as of 2026-08-19) |
| Oct. 4, 2023 | AURA | P | 6,566 | $8.61 | $56,533 | 50,066 Direct | +15.09% | Acquired | -3.7% (price as of 2026-08-19) |
| Oct. 3, 2023 | AURA | P | 13,500 | $8.27 | $111,645 | 43,500 Direct | +45.00% | Acquired | 0.2% (price as of 2026-08-19) |
| Jan. 6, 2023 | AURA | P | 700 | $10.50 | $7,350 | 18,000 Indirect | +4.05% | Acquired | -21.0% (price as of 2026-08-19) |
| Jan. 6, 2023 | AURA | P | 904 | $10.51 | $9,501 | 18,000 Indirect | +5.29% | Acquired | -21.1% (price as of 2026-08-19) |
| Jan. 5, 2023 | AURA | P | 300 | $10.00 | $3,000 | 17,300 Indirect | +1.76% | Acquired | -17.1% (price as of 2026-08-19) |
| Jan. 5, 2023 | AURA | P | 96 | $10.00 | $960 | 17,096 Indirect | +0.56% | Acquired | -17.1% (price as of 2026-08-19) |
| Dec. 28, 2022 | AURA | P | 2,000 | $9.75 | $19,500 | 17,000 Indirect | +13.33% | Acquired | -15.0% (price as of 2026-08-19) |
| Dec. 28, 2022 | AURA | P | 2,000 | $9.75 | $19,500 | 17,000 Indirect | +13.33% | Acquired | -15.0% (price as of 2026-08-19) |
| Dec. 1, 2022 | AURA | P | 5,000 | $12.37 | $61,850 | 15,000 Indirect | +50.00% | Acquired | -33.0% (price as of 2026-08-19) |
| Dec. 1, 2022 | AURA | P | 5,000 | $12.37 | $61,850 | 15,000 Indirect | +50.00% | Acquired | -33.0% (price as of 2026-08-19) |
| June 13, 2022 | AURA | P | 20,000 | $13.99 | $279,800 | 30,000 Direct | +200.00% | Acquired | -40.7% (price as of 2026-08-19) |
| June 13, 2022 | AURA | P | 7,000 | $13.99 | $97,930 | 10,000 Indirect | +233.33% | Acquired | -40.7% (price as of 2026-08-19) |
| June 13, 2022 | AURA | P | 7,000 | $13.99 | $97,930 | 10,000 Indirect | +233.33% | Acquired | -40.7% (price as of 2026-08-19) |
| June 10, 2022 | AURA | P | 10,000 | $15.04 | $150,400 | 10,000 Direct | — | Acquired | -44.9% (price as of 2026-08-19) |
| June 10, 2022 | AURA | P | 3,000 | $15.04 | $45,120 | 3,000 Indirect | — | Acquired | -44.9% (price as of 2026-08-19) |
| June 10, 2022 | AURA | P | 3,000 | $15.04 | $45,120 | 3,000 Indirect | — | Acquired | -44.9% (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| June 11, 2026 | AURA | Stock Option (Right to Buy) | Common Stock (30,000) | $6.21 | June 11, 2036 | 30,000 | Acquired |
| June 17, 2025 | AURA | Stock Option (Right to Buy) | Common Stock (17,000) | $6.18 | June 17, 2035 | 17,000 | Acquired |
| May 16, 2025 | AURA | Common Stock Warrants (right to buy) | Common Stock (5,000) | $4.90 | May 16, 2030 | 5,000 | Acquired |
| June 20, 2024 | AURA | Stock Option (Right to Buy) | Common Stock (14,500) | $6.93 | June 20, 2034 | 14,500 | Acquired |
| June 7, 2023 | AURA | Stock Option (Right to Buy) | Common Stock (16,000) | $12.83 | June 7, 2033 | 16,000 | Acquired |
| June 15, 2022 | AURA | Stock Option (Right to Buy) | Common Stock (16,000) | $13.72 | June 15, 2032 | 16,000 | Acquired |
| Nov. 2, 2021 | AURA | Series E Convertible Preferred Stock | Common Stock (139,672) | — | — | 139,672 | Disposed |
| Oct. 28, 2021 | AURA | Stock Option (Right to Buy) | Common Stock (24,000) | $14.00 | Oct. 27, 2031 | 24,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 28, 2021 | AURA | Series E Convertible Preferred Stock→ Common Stock [F2] (139,672) | 139,672 | Indirect |
| Oct. 28, 2021 | AURA | Stock Option (Right to Buy)→ Common Stock (116,788) | 116,788 | Direct |
| Oct. 28, 2021 | AURA | Stock Option (Right to Buy)→ Common Stock (204,379) | 204,379 | Direct |
| April 3, 2020 | ZNTL | Common Stock | 59,061 | Direct |
| April 3, 2020 | ZNTL | Stock Option→ Common Stock (30,000) | 30,000 | Direct |