Bornstein Jonathan — SEC Form 4 filings
SEC reporting owner CIK 1942459. 11 Form 4 filings on record with FilingPulse; latest filed 2025-03-12.
Transaction summary — filings shown
Covers all 11 filings on record, filed 2024-02-07 to 2025-03-12. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 11 legs across 7 filings — 644,762 shares, $1,805,923 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 15.
- Largest priced transaction: sale of 150,000 shares @ $4.43 ($663,810) in Amprius Technologies, Inc., filed 2024-02-07.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Amprius Technologies, Inc. (AMPX) | President of Amprius Lab | 11 | — | 11 legs · 644,762 sh · $1,805,923 | 15 |
Form 4 filings — Bornstein Jonathan
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2025-03-12 | 4 | Amprius Technologies, Inc. (AMPX) | Option exercise (M): 3,471 @ $0.98 · Option exercise (M): 3,471 (derivative) @ $0 | EDGAR |
| 2025-02-24 | 4 | Amprius Technologies, Inc. (AMPX) | Sale (S): 13,527 @ $3.13 | EDGAR |
| 2024-11-22 | 4 | Amprius Technologies, Inc. (AMPX) | Sale (S): 133,536 @ $1.92 · Sale (S): 15,000 @ $1.96 · Sale (S): 18,170 @ $1.96 | EDGAR |
| 2024-10-25 | 4 | Amprius Technologies, Inc. (AMPX) | Grant/award (A): 3,471 (derivative) · Grant/award (A): 27,768 (derivative) | EDGAR |
| 2024-08-22 | 4 | Amprius Technologies, Inc. (AMPX) | Sale (S): 18,644 @ $1.04 | EDGAR |
| 2024-05-24 | 4 | Amprius Technologies, Inc. (AMPX) | Sale (S): 11,171 @ $1.33 · Sale (S): 8,731 @ $1.36 | EDGAR |
| 2024-04-15 | 4 | Amprius Technologies, Inc. (AMPX) | Option exercise (M): 1,007,867 @ $0.05 · Option exercise (M): 1,007,867 (derivative) @ $0 | EDGAR |
| 2024-04-03 | 4 | Amprius Technologies, Inc. (AMPX) | Option exercise (M): 125,983 @ $0.05 · Sale (S): 125,983 @ $2.38 · Option exercise (M): 125,983 (derivative) @ $0 | EDGAR |
| 2024-03-19 | 4 | Amprius Technologies, Inc. (AMPX) | Grant/award (A): 558,930 @ $0 | EDGAR |
| 2024-03-07 | 4 | Amprius Technologies, Inc. (AMPX) | Option exercise (M): 109,800 @ $0.05 · Sale (S): 109,800 @ $2.92 · Option exercise (M): 40,200 @ $0.05 · Sale (S): 40,200 @ $2.78 · Option exercise (M): 109,800 (derivative) @ $0 · Option exercise (M): 40,200 (derivative) @ $0 | EDGAR |
| 2024-02-07 | 4 | Amprius Technologies, Inc. (AMPX) | Option exercise (M): 150,000 @ $0.05 · Sale (S): 150,000 @ $4.43 · Option exercise (M): 150,000 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?owner_cik=1942459 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →