Crystal Adam
Officer · TNGX
As of 2026-09-27, Crystal Adam has 38 Form 4 transactions on record across 1 company — 34 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 February in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $6.5M
- Indirect $0
| TNGX | direct | 260,040 sh | $6.5M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-09-01 | TNGX | Sale | 27,000 @ $22.37 | $604K | −18.9% of holding | 115,743 | Form 4 |
| 2026-08-03 | TNGX | Sale | 21,733 @ $27.35 | $594K | −15.8% of holding | 115,743 | Form 4 |
| 2026-08-03 | TNGX | Sale | 5,267 @ $26.79 | $141K | −3.7% of holding | 137,476 | Form 4 |
| 2026-07-01 | TNGX | Sale | 19,629 @ $29.34 | $576K | −13.8% of holding | 123,114 | Form 4 |
| 2026-07-01 | TNGX | Sale | 7,371 @ $30.25 | $223K | −6.0% of holding | 115,743 | Form 4 |
| 2026-06-01 | TNGX | Sale | 20,860 @ $23.06 | $481K | −15.3% of holding | 115,743 | Form 4 |
| 2026-06-01 | TNGX | Sale | 6,140 @ $22.25 | $137K | −4.3% of holding | 136,603 | Form 4 |
| 2026-05-01 | TNGX | Sale | 25,900 @ $21.19 | $549K | −18.1% of holding | 116,843 | Form 4 |
| 2026-05-01 | TNGX | Sale | 1,100 @ $22.00 | $24K | −0.9% of holding | 115,743 | Form 4 |
| 2026-04-15 | TNGX | Sale | 38,460 @ $25.00 | $962K | −25.5% of holding | 112,622 | Form 4 |
| 2026-04-01 | TNGX | Sale | 27,000 @ $21.20 | $572K | −19.3% of holding | 112,622 | Form 4 |
| 2026-03-25 | TNGX | Sale | 12,000 @ $20.11 | $241K | −9.6% of holding | 112,622 | Form 4 |
| 2026-03-05 | TNGX | Sale | 20,251 @ $15.00 | $304K | −15.2% of holding | 112,622 | Form 4 |
| 2026-02-25 | TNGX | Sale | 54,345 @ $12.77 | $694K | −29.0% of holding | 132,873 | Form 4 |
| 2026-02-03 | TNGX | Sale | 18,251 @ $12.26 | $224K | −8.9% of holding | 187,419 | Form 4 |
| 2026-02-03 | TNGX | Sale | 201 @ $12.90 | $3K | −0.1% of holding | 187,218 | Form 4 |
| 2025-02-05 | TNGX | Sale | 6,851 @ $3.16 | $22K | −4.2% of holding | 158,210 | Form 4 |
| 2025-02-04 | TNGX | Sale | 7,432 @ $2.99 | $22K | −4.3% of holding | 165,061 | Form 4 |
20 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-09-01 | TNGX | Option exercise | 27,000 | 142,743 | Form 4 |
| 2026-09-01 | TNGX | Option exercise | 27,000 | 260,040 | Form 4 |
| 2026-08-03 | TNGX | Option exercise | 27,000 | 142,743 | Form 4 |
| 2026-08-03 | TNGX | Option exercise | 27,000 | 287,040 | Form 4 |
| 2026-07-01 | TNGX | Option exercise | 27,000 | 142,743 | Form 4 |
| 2026-07-01 | TNGX | Option exercise | 27,000 | 314,040 | Form 4 |
| 2026-06-01 | TNGX | Option exercise | 27,000 | 142,743 | Form 4 |
| 2026-06-01 | TNGX | Option exercise | 27,000 | 341,040 | Form 4 |
| 2026-05-01 | TNGX | Option exercise | 27,000 | 142,743 | Form 4 |
| 2026-05-01 | TNGX | Option exercise | 27,000 | 368,040 | Form 4 |
| 2026-04-15 | TNGX | Option exercise | 38,460 | 151,082 | Form 4 |
| 2026-04-15 | TNGX | Option exercise | 38,460 | 395,040 | Form 4 |
| 2026-04-01 | TNGX | Option exercise | 27,000 | 139,622 | Form 4 |
| 2026-04-01 | TNGX | Option exercise | 27,000 | 433,500 | Form 4 |
| 2026-03-25 | TNGX | Option exercise | 12,000 | 124,622 | Form 4 |
| 2026-03-25 | TNGX | Option exercise | 12,000 | 460,500 | Form 4 |
| 2026-02-02 | TNGX | Award / grant | 284,760 | 284,760 | Form 4 |
| 2026-02-02 | TNGX | Award / grant | 47,460 | 205,670 | Form 4 |
| 2025-02-03 | TNGX | Award / grant | 53,015 | 172,493 | Form 4 |
| 2025-02-03 | TNGX | Award / grant | 318,090 | 318,090 | 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.