John Hugh Macdiarmid
CIK 2092518 · View on SEC EDGAR ↗
Insider
First SEC filing: Nov. 7, 2025 · Latest: Nov. 7, 2025
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 2 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 18, 2025 | IMSRW | A | 1,029 | — | — | 6,894 Direct | +17.54% | Acquired | (price as of 2026-08-20) |
| Dec. 18, 2025 | IMSRW | A | 5,865 | — | — | 5,865 Direct | — | Acquired | (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| Dec. 18, 2025 | IMSRW | Resricted Stock Units | Common Stock (1,029) | — | — | 1,029 | Acquired |
| Dec. 18, 2025 | IMSRW | Restricted Stock Units | Common Stock (5,865) | — | — | 5,865 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 14 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Nov. 7, 2025 | IMSRW | Common Stock, par value $0.0001 per share ("Common Stock") | 25,946 | Direct |
| Nov. 7, 2025 | IMSRW | Stock Option (Right to Buy)→ Common Stock (447,030) | 447,030 | Direct |
| Nov. 7, 2025 | IMSRW | Stock Option (Right to Buy)→ Common Stock (670,544) | 670,544 | Direct |
| Nov. 7, 2025 | IMSRW | Stock Option (Right to Buy)→ Common Stock (111,758) | 111,758 | Direct |
| Nov. 7, 2025 | IMSRW | Stock Option (Right to Buy)→ Common Stock (6,035) | 6,035 | Direct |
| Nov. 7, 2025 | IMSRW | Stock Option (Right to Buy)→ Common Stock (11,176) | 11,176 | Direct |
| Nov. 7, 2025 | IMSRW | Stock Option (Right to Buy)→ Common Stock (18,776) | 18,776 | Direct |
| Nov. 7, 2025 | IMSRW | Stock Option (Right to Buy)→ Common Stock (22,531) | 22,531 | Direct |
| Nov. 7, 2025 | IMSRW | Stock Option (Right to Buy)→ Common Stock (3,756) | 3,756 | Direct |
| Nov. 7, 2025 | IMSRW | Stock Option (Right to Buy)→ Common Stock (78,231) | 78,231 | Direct |
| Nov. 7, 2025 | IMSRW | Exchangeable Shares→ Common Stock (558,787) | 558,787 | Direct |
| Nov. 7, 2025 | IMSRW | Exchangeable Shares→ Common Stock (134,109) | 134,109 | Indirect |
| Nov. 7, 2025 | IMSRW | Warrants (Right to Buy)→ Common Stock (78,231) | 78,231 | Direct |
| Nov. 7, 2025 | IMSRW | Contingent Value Right→ Common Stock | — | Direct |