Mark William Lowdell
CIK 1767037 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 8, 2019 · Latest: Feb. 8, 2019
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 20 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
20 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| April 19, 2024 | INMB | P | 14,423 | $0.12 | $1,731 | 14,423 Direct | — | Acquired | 1708.4% (price as of 2026-08-19) |
| April 19, 2024 | INMB | P | 14,423 | $8.32 | $119,999 | 1,510,806 Direct | +0.96% | Acquired | -73.9% (price as of 2026-08-19) |
| Nov. 3, 2021 | INMB | S 10b5-1 | 701 | $20.00 | $14,020 | 1,472,793 Direct | -0.05% | Disposed | -89.1% (price as of 2026-08-19) |
| Oct. 27, 2021 | INMB | S 10b5-1 | 2,357 | $20.00 | $47,140 | 1,473,494 Direct | -0.16% | Disposed | -89.1% (price as of 2026-08-19) |
| Oct. 22, 2021 | INMB | S 10b5-1 | 400 | $20.00 | $8,000 | 1,475,851 Direct | -0.03% | Disposed | -89.1% (price as of 2026-08-19) |
| July 8, 2021 | INMB | S 10b5-1 | 24,150 | $20.19 | $487,588 | 1,476,251 Direct | -1.61% | Disposed | -89.3% (price as of 2026-08-19) |
| July 7, 2021 | INMB | S 10b5-1 | 5,850 | $20.02 | $117,117 | 1,500,401 Direct | -0.39% | Disposed | -89.2% (price as of 2026-08-19) |
| Sept. 11, 2019 | INMB | P | 2,918 | $6.23 | $18,179 | 1,506,251 Direct | +0.19% | Acquired | -65.2% (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 |
|---|---|---|---|---|---|---|---|
| July 2, 2026 | INMB | Common Stock Purchase Warrant | Common Stock (7,211) | $1.40 | Dec. 31, 2027 | 7,211 | Disposed |
| Dec. 1, 2025 | INMB | Option (right to buy) | Common Stock (600,000) | $1.48 | Nov. 23, 2035 | 600,000 | Acquired |
| Nov. 18, 2025 | INMB | Stock Option (right to buy) | Common Stock (100,000) | $1.50 | May 13, 2034 | 100,000 | Acquired |
| Nov. 18, 2025 | INMB | Stock Option (right to buy) | Common Stock (100,000) | $9.92 | May 13, 2034 | 100,000 | Disposed |
| Nov. 18, 2025 | INMB | Stock Option (right to buy) | Common Stock (140,000) | $1.50 | Dec. 4, 2034 | 140,000 | Acquired |
| Nov. 18, 2025 | INMB | Stock Option (right to buy) | Common Stock (140,000) | $5.05 | Dec. 4, 2034 | 140,000 | Disposed |
| Nov. 18, 2025 | INMB | Stock Option (right to buy) | Common Stock (104,000) | $1.50 | March 20, 2032 | 104,000 | Acquired |
| Nov. 18, 2025 | INMB | Stock Option (right to buy) | Common Stock (104,000) | $7.92 | March 20, 2032 | 104,000 | Disposed |
| Nov. 18, 2025 | INMB | Stock Option (right to buy) | Common Stock (180,000) | $1.50 | Nov. 24, 2029 | 180,000 | Acquired |
| Nov. 18, 2025 | INMB | Stock Option (right to buy) | Common Stock (180,000) | $3.91 | Nov. 24, 2029 | 180,000 | Disposed |
| Nov. 18, 2025 | INMB | Stock Option (right to buy) | Common Stock (400,000) | $1.50 | Jan. 1, 2028 | 400,000 | Acquired |
| Nov. 18, 2025 | INMB | Stock Option (right to buy) | Common Stock (400,000) | $7.80 | Jan. 1, 2028 | 400,000 | Disposed |
| Dec. 5, 2024 | INMB | Option (right to buy) | Common Stock (140,000) | $5.05 | Dec. 4, 2034 | 140,000 | Acquired |
| May 14, 2024 | INMB | Option (right to buy) | Common Stock (100,000) | $9.92 | May 13, 2034 | 100,000 | Acquired |
| April 19, 2024 | INMB | Common Stock Warrants (right to buy) | Common Stock (14,423) | $9.15 | — | 14,423 | Acquired |
| April 19, 2024 | INMB | Common Stock Warrants (right to buy) | Common Stock (14,423) | $9.15 | — | 14,423 | Acquired |
| March 21, 2022 | INMB | Option (right to buy) | Common Stock (104,000) | $7.92 | March 20, 2032 | 104,000 | Acquired |
| Nov. 25, 2019 | INMB | Option | Common Stock (180,000) | $3.91 | — | 180,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2023 | — | — | — | — | — | — | $150,237 | $150,237 |
| 2021 | — | — | — | — | — | — | $149,478 | $149,478 |
| 2020 | — | — | — | — | — | — | — | $138,204 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.