Mastrangelo Joe
Director · Officer · EOSE
As of 2026-09-16, Mastrangelo Joe has 32 Form 4 transactions on record across 1 company — 21 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 July in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $9.1M
- Indirect $0
| EOSE | direct | 2,308,704 sh | $9.1M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-09-16 | EOSE | Sale | 250,000 @ $3.92 | $980K | −9.8% of holding | 2,308,704 | Form 4 |
| 2026-07-27 | EOSE | Sale | 159,154 @ $3.61 | $575K | −7.6% of holding | 1,947,586 | Form 4 |
| 2026-03-04 | EOSE | Purchase | 23,900 @ $6.58 | $157K | +1.6% of holding | 1,487,126 | Form 4 |
| 2026-03-02 | EOSE | Purchase | 60,000 @ $5.75 | $345K | +4.3% of holding | 1,463,226 | Form 4 |
| 2025-07-29 | EOSE | Sale | 166,667 @ $5.94 | $990K | −10.6% of holding | 1,403,226 | Form 4 |
| 2025-07-08 | EOSE | Sale | 127,152 @ $4.92 | $626K | −9.3% of holding | 1,236,560 | Form 4 |
| 2025-05-16 | EOSE | Sale | 270,384 @ $6.86 | $1.9M | −19.6% of holding | 1,109,409 | Form 4 |
25 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-09-14 | EOSE | Option exercise | 500,000 | 0 | Form 4 |
| 2026-09-14 | EOSE | Award / grant | 500,000 | 2,558,704 | Form 4 |
| 2026-08-24 | EOSE | Award / grant | 611,406 | 611,406 | Form 4 |
| 2026-07-25 | EOSE | Option exercise | 333,334 | 2,106,740 | Form 4 |
| 2026-07-25 | EOSE | Option exercise | 333,334 | 333,333 | Form 4 |
| 2026-07-21 | EOSE | Option exercise | 111,118 | 2,058,704 | Form 4 |
| 2026-07-21 | EOSE | Option exercise | 48,758 | 48,758 | Form 4 |
| 2026-07-21 | EOSE | Option exercise | 111,118 | 0 | Form 4 |
| 2026-07-06 | EOSE | Withheld for tax | 121,245 | 1,773,406 | Form 4 |
| 2026-07-05 | EOSE | Option exercise | 254,304 | 1,894,651 | Form 4 |
| 2026-07-05 | EOSE | Option exercise | 254,304 | 0 | Form 4 |
| 2026-06-30 | EOSE | Withheld for tax | 60,703 | 1,640,347 | Form 4 |
| 2026-06-26 | EOSE | Option exercise | 130,570 | 1,701,050 | Form 4 |
| 2026-06-26 | EOSE | Option exercise | 130,570 | 261,140 | Form 4 |
| 2026-06-12 | EOSE | Withheld for tax | 116,646 | 1,570,480 | Form 4 |
| 2026-06-12 | EOSE | Option exercise | 200,000 | 1,687,126 | Form 4 |
| 2026-06-12 | EOSE | Option exercise | 200,000 | 0 | Form 4 |
| 2025-07-25 | EOSE | Option exercise | 333,333 | 1,569,893 | Form 4 |
| 2025-07-25 | EOSE | Option exercise | 333,333 | 666,667 | Form 4 |
| 2025-07-05 | EOSE | Option exercise | 254,303 | 1,363,712 | Form 4 |
| 2025-07-05 | EOSE | Option exercise | 254,303 | 254,304 | Form 4 |
| 2025-06-26 | EOSE | Award / grant | 391,710 | 391,710 | Form 4 |
| 2025-05-08 | EOSE | Award / grant | 470,000 | 470,000 | Form 4 |
| 2025-05-08 | EOSE | Option exercise | 470,000 | 0 | Form 4 |
| 2025-05-08 | EOSE | Option exercise | 470,000 | 1,379,793 | 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.