David Schrenk
CIK 1968509 · View on SEC EDGAR ↗
Insider
First SEC filing: March 7, 2023 · Latest: March 7, 2023
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 5 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
5 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 19, 2023 | MRAM | S | 1,504 | $8.48 | $12,754 | 57,767 Direct | -2.54% | Disposed | 104.7% (price as of 2026-08-19) |
| Sept. 21, 2023 | MRAM | S | 1,546 | $9.15 | $14,146 | 59,271 Direct | -2.54% | Disposed | 89.7% (price as of 2026-08-19) |
| Aug. 29, 2023 | MRAM | S | 121 | $9.69 | $1,172 | 60,817 Direct | -0.20% | Disposed | 79.2% (price as of 2026-08-19) |
| Aug. 11, 2023 | MRAM | S | 8,927 | $9.80 | $87,485 | 60,938 Direct | -12.78% | Disposed | 77.1% (price as of 2026-08-19) |
| June 20, 2023 | MRAM | S | 1,552 | $8.53 | $13,239 | 66,120 Direct | -2.29% | Disposed | 103.5% (price as of 2026-08-19) |
| March 27, 2023 | MRAM | S | 217 | $6.39 | $1,387 | 67,672 Direct | -0.32% | Disposed | 171.7% (price as of 2026-08-19) |
| March 15, 2023 | MRAM | S | 1,461 | $6.06 | $8,854 | 22,889 Direct | -6.00% | Disposed | 186.5% (price as of 2026-08-19) |
| March 13, 2023 | MRAM | S | 259 | $6.03 | $1,562 | 24,350 Direct | -1.05% | Disposed | 187.9% (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 |
|---|---|---|---|---|---|---|---|
| Aug. 11, 2023 | MRAM | Employee Stock Option (Right to Buy) | Common Stock (2,911) | $6.86 | Aug. 25, 2029 | 2,911 | Disposed |
| Aug. 11, 2023 | MRAM | Employee Stock Option (Right to Buy) | Common Stock (834) | $2.56 | April 6, 2030 | 834 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 7 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 7, 2023 | MRAM | Common Stock | 24,609 | Direct |
| March 7, 2023 | MRAM | Stock Option (Right to Buy)→ Common Stock (2,110) | 2,110 | Direct |
| March 7, 2023 | MRAM | Stock Option (Right to Buy)→ Common Stock (3,057) | 3,057 | Direct |
| March 7, 2023 | MRAM | Stock Option (Right to Buy)→ Common Stock (7,292) | 7,292 | Direct |
| March 7, 2023 | MRAM | Stock Option (Right to Buy)→ Common Stock (1,209) | 1,209 | Direct |
| March 7, 2023 | MRAM | Stock Option (Right to Buy)→ Common Stock (12,500) | 12,500 | Direct |
| March 7, 2023 | MRAM | Stock Option (Right to Buy)→ Common Stock (15,000) | 15,000 | Direct |