Shafer Andrew
Officer · GEVO
As of 2026-09-16, Shafer Andrew has 28 Form 4 transactions on record across 1 company — 19 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in June in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $474K
- Indirect $0
| GEVO | direct | 311,608 sh | $474K |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-06-12 | GEVO | Sale | 9,443 @ $1.43 | $13K | −2.9% of holding | 311,608 | Form 4 |
| 2026-05-27 | GEVO | Sale | 32,667 @ $1.76 | $57K | −9.2% of holding | 321,051 | Form 4 |
| 2026-05-01 | GEVO | Sale | 5,550 @ $2.00 | $11K | −2.0% of holding | 270,823 | Form 4 |
| 2026-04-01 | GEVO | Sale | 5,550 @ $2.71 | $15K | −2.0% of holding | 270,823 | Form 4 |
| 2026-03-10 | GEVO | Sale | 5,550 @ $2.21 | $12K | −2.0% of holding | 270,823 | Form 4 |
| 2026-01-20 | GEVO | Sale | 5,000 @ $1.99 | $10K | −1.8% of holding | 270,823 | Form 4 |
| 2025-12-22 | GEVO | Sale | 5,000 @ $2.19 | $11K | −1.8% of holding | 275,823 | Form 4 |
| 2025-11-20 | GEVO | Sale | 5,000 @ $1.99 | $10K | −1.7% of holding | 280,823 | Form 4 |
| 2025-11-03 | GEVO | Sale | 29,797 @ $2.28 | $68K | −9.4% of holding | 285,823 | Form 4 |
| 2025-10-20 | GEVO | Sale | 5,000 @ $2.53 | $13K | −1.6% of holding | 315,620 | Form 4 |
| 2025-09-22 | GEVO | Sale | 5,000 @ $2.01 | $10K | −1.5% of holding | 320,620 | Form 4 |
| 2025-08-20 | GEVO | Sale | 5,000 @ $1.58 | $8K | −1.5% of holding | 325,620 | Form 4 |
| 2025-07-21 | GEVO | Sale | 5,000 @ $1.55 | $8K | −1.5% of holding | 330,620 | Form 4 |
| 2025-06-20 | GEVO | Sale | 5,000 @ $1.35 | $7K | −1.5% of holding | 335,620 | Form 4 |
| 2025-05-30 | GEVO | Sale | 27,538 @ $1.28 | $35K | −8.8% of holding | 284,892 | Form 4 |
| 2025-05-20 | GEVO | Sale | 5,000 @ $1.15 | $6K | −1.6% of holding | 312,430 | Form 4 |
| 2025-04-21 | GEVO | Sale | 5,000 @ $1.11 | $6K | −1.6% of holding | 317,430 | Form 4 |
| 2025-03-24 | GEVO | Sale | 10,000 @ $1.33 | $13K | −3.0% of holding | 322,430 | Form 4 |
10 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-05-20 | GEVO | Award / grant | 95,778 | 95,778 | Form 4 |
| 2026-05-20 | GEVO | Award / grant | 82,895 | 353,718 | Form 4 |
| 2026-05-01 | GEVO | Option exercise | 5,550 | 276,373 | Form 4 |
| 2026-05-01 | GEVO | Option exercise | 5,550 | 185,850 | Form 4 |
| 2026-04-01 | GEVO | Option exercise | 5,550 | 276,373 | Form 4 |
| 2026-04-01 | GEVO | Option exercise | 5,550 | 191,400 | Form 4 |
| 2026-03-10 | GEVO | Option exercise | 5,550 | 276,373 | Form 4 |
| 2026-03-10 | GEVO | Option exercise | 5,550 | 196,950 | Form 4 |
| 2025-06-09 | GEVO | Award / grant | 167,184 | 167,184 | Form 4 |
| 2025-06-09 | GEVO | Award / grant | 55,728 | 340,620 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.