Jonathan Klamkin
Insider
First SEC filing: May 23, 2025 · Latest: May 23, 2025
Insider at
Insider transactions
0 buys (P)
16 sells (S)
Net: $-4,255,786
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 21, 2026 | ALMU | S 10b5-1 | 100,000 | $13.35 | $1,335,000 | 1,226,995 Indirect | -7.54% | Disposed | -1.7% (price as of 2026-10-02) |
| Sept. 21, 2026 | ALMU | A | 31,771 | · | · | 34,174 Direct | +1322.14% | Acquired | (price as of 2026-10-02) |
| Sept. 21, 2026 | ALMU | A | 12,675 | · | · | 46,849 Direct | +37.09% | Acquired | (price as of 2026-10-02) |
| Sept. 21, 2026 | ALMU | F | 4,547 | $13.61 | $61,885 | 42,302 Direct | -9.71% | Disposed | -3.6% (price as of 2026-10-02) |
| Sept. 21, 2026 | ALMU | A | 75,135 | · | · | 75,135 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 3, 2026 | ALMU | G | 20,000 | · | · | 1,326,995 Indirect | -1.48% | Disposed | (price as of 2026-10-02) |
| Aug. 3, 2026 | ALMU | G | 20,000 | · | · | 22,403 Direct | +832.29% | Acquired | (price as of 2026-10-02) |
| Aug. 3, 2026 | ALMU | S 10b5-1 | 4,190 | $16.29 | $68,255 | 18,213 Direct | -18.70% | Disposed | -19.5% (price as of 2026-10-02) |
| Aug. 3, 2026 | ALMU | S 10b5-1 | 15,810 | $16.85 | $266,398 | 2,403 Direct | -86.81% | Disposed | -22.1% (price as of 2026-10-02) |
| July 1, 2026 | ALMU | S 10b5-1 | 100 | $21.56 | $2,156 | 2,403 Direct | -4.00% | Disposed | -39.1% (price as of 2026-10-02) |
| July 1, 2026 | ALMU | S 10b5-1 | 19,900 | $21.08 | $419,492 | 2,503 Direct | -88.83% | Disposed | -37.8% (price as of 2026-10-02) |
| July 1, 2026 | ALMU | G | 20,000 | · | · | 22,403 Direct | +832.29% | Acquired | (price as of 2026-10-02) |
| July 1, 2026 | ALMU | G | 20,000 | · | · | 1,346,995 Indirect | -1.46% | Disposed | (price as of 2026-10-02) |
| June 1, 2026 | ALMU | S 10b5-1 | 8,200 | $26.25 | $215,250 | 2,403 Direct | -77.34% | Disposed | -50.0% (price as of 2026-10-02) |
| June 1, 2026 | ALMU | S 10b5-1 | 1,600 | $25.12 | $40,192 | 10,603 Direct | -13.11% | Disposed | -47.8% (price as of 2026-10-02) |
| June 1, 2026 | ALMU | S 10b5-1 | 7,900 | $24.39 | $192,681 | 12,203 Direct | -39.30% | Disposed | -46.2% (price as of 2026-10-02) |
| June 1, 2026 | ALMU | S 10b5-1 | 1,400 | $23.32 | $32,648 | 20,103 Direct | -6.51% | Disposed | -43.7% (price as of 2026-10-02) |
| June 1, 2026 | ALMU | S 10b5-1 | 900 | $22.19 | $19,971 | 21,503 Direct | -4.02% | Disposed | -40.9% (price as of 2026-10-02) |
| June 1, 2026 | ALMU | G | 20,000 | · | · | 22,403 Direct | +832.29% | Acquired | (price as of 2026-10-02) |
| June 1, 2026 | ALMU | G | 20,000 | · | · | 1,366,995 Indirect | -1.44% | Disposed | (price as of 2026-10-02) |
| May 1, 2026 | ALMU | G | 20,000 | · | · | 1,386,995 Indirect | -1.42% | Disposed | (price as of 2026-10-02) |
| May 1, 2026 | ALMU | G | 20,000 | · | · | 22,403 Direct | +832.29% | Acquired | (price as of 2026-10-02) |
| May 1, 2026 | ALMU | S 10b5-1 | 4,300 | $24.20 | $104,060 | 18,103 Direct | -19.19% | Disposed | -45.8% (price as of 2026-10-02) |
| May 1, 2026 | ALMU | S 10b5-1 | 15,024 | $25.15 | $377,854 | 3,079 Direct | -82.99% | Disposed | -47.8% (price as of 2026-10-02) |
| May 1, 2026 | ALMU | S 10b5-1 | 676 | $25.71 | $17,380 | 2,403 Direct | -21.96% | Disposed | -49.0% (price as of 2026-10-02) |
| April 1, 2026 | ALMU | G | 20,000 | · | · | 1,406,995 Indirect | -1.40% | Disposed | (price as of 2026-10-02) |
| April 1, 2026 | ALMU | G | 20,000 | · | · | 22,403 Direct | +832.29% | Acquired | (price as of 2026-10-02) |
| April 1, 2026 | ALMU | S 10b5-1 | 20,000 | $13.10 | $262,000 | 1,409,398 Direct | -1.40% | Disposed | 0.2% (price as of 2026-10-02) |
| March 4, 2026 | ALMU | G | 50,000 | · | · | 1,426,995 Indirect | -3.39% | Disposed | (price as of 2026-10-02) |
| March 4, 2026 | ALMU | G | 50,000 | · | · | 52,403 Direct | +2080.73% | Acquired | (price as of 2026-10-02) |
| March 4, 2026 | ALMU | S 10b5-1 | 28,206 | $17.77 | $501,221 | 1,451,192 Direct | -1.91% | Disposed | -26.2% (price as of 2026-10-02) |
| March 4, 2026 | ALMU | S 10b5-1 | 21,794 | $18.41 | $401,228 | 1,429,398 Direct | -1.50% | Disposed | -28.7% (price as of 2026-10-02) |
| Dec. 29, 2025 | ALMU | G | 1,126,995 | · | · | 2,403 Direct | -99.79% | Disposed | (price as of 2026-10-02) |
| Dec. 29, 2025 | ALMU | G | 1,126,995 | · | · | 1,476,995 Indirect | +322.00% | Acquired | (price as of 2026-10-02) |
| Dec. 19, 2025 | ALMU | G | 350,000 | · | · | 1,129,398 Direct | -23.66% | Disposed | (price as of 2026-10-02) |
| Dec. 19, 2025 | ALMU | G | 350,000 | · | · | 350,000 Indirect | · | Acquired | (price as of 2026-10-02) |
| Aug. 14, 2025 | ALMU | S 10b5-1 | 150,000 | $18.85 | $2,827,500 | 1,479,398 Direct | -9.21% | Disposed | -30.4% (price as of 2026-10-02) |
| Aug. 14, 2025 | ALMU | S 10b5-1 | 150,000 | $18.85 | $2,827,500 | 1,479,398 Direct | -9.21% | Disposed | -30.4% (price as of 2026-10-02) |
| July 1, 2025 | ALMU | J | 6,253 | $16.37 | $102,362 | 326,253 Direct | +1.95% | Acquired | -19.9% (price as of 2026-10-02) |
| July 1, 2025 | ALMU | J | 2,403 | $16.37 | $39,337 | 1,629,398 Direct | +0.15% | Acquired | -19.9% (price as of 2026-10-02) |
| July 1, 2025 | ALMU | J | 6,253 | $16.37 | $102,362 | 326,253 Direct | +1.95% | Acquired | -19.9% (price as of 2026-10-02) |
| July 1, 2025 | ALMU | J | 2,403 | $16.37 | $39,337 | 1,629,398 Direct | +0.15% | Acquired | -19.9% (price as of 2026-10-02) |
| June 22, 2021 | ALMU | J | 1,626,995 | · | · | 1,626,995 Direct | · | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Sept. 21, 2026 | ALMU | Stock Option (right to buy) | Common Stock | $13.61 | Sept. 21, 2036 | 75,135 | Acquired |
| July 1, 2025 | ALMU | Stock Option | Common Stock | $16.37 | July 1, 2035 | 6,253 | Acquired |
| July 1, 2025 | ALMU | Stock Option | Common Stock | $16.37 | July 1, 2035 | 6,253 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
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 |
|---|---|---|---|---|---|---|---|---|
| 2026 | $345,000 | $345,000 | · | · | · | · | · | $690,000 |
| 2025 | $271,667 | $163,800 | · | $1,427,360 | · | · | · | $1,862,827 |
| 2024 | $255,000 | · | · | · | · | · | · | $255,000 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.