Kostman David — SEC Form 4 filings
SEC reporting owner CIK 1874180. 21 Form 4 filings on record with FilingPulse; latest filed 2026-06-09.
Transaction summary — filings shown
Covers all 21 filings on record, filed 2024-03-08 to 2026-06-09. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 4 legs across 2 filings — 66,500 shares, $132,850 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 31.
- Largest priced transaction: purchase of 20,000 shares @ $3.98 ($79,600) in Teads Holding Co., filed 2025-03-17.
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 |
|---|---|---|---|---|---|
| Teads Holding Co. (TEAD) | Chief Executive Officer, Director | 20 | 4 legs · 66,500 sh · $132,850 | — | 30 |
| Unity Software Inc. (U) | Director | 1 | — | — | 1 |
Form 4 filings — Kostman David
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-09 | 4 | Teads Holding Co. (TEAD) | Tax withholding (F): 28,411 @ $1.22 · Tax withholding (F): 7,870 @ $1.15 · Tax withholding (F): 6,716 @ $1.15 | EDGAR |
| 2026-06-02 | 4 | Teads Holding Co. (TEAD) | Purchase (P): 18,000 @ $1.16 · Purchase (P): 15,000 @ $1.19 · Purchase (P): 13,500 @ $1.07 | EDGAR |
| 2026-05-18 | 4 | Teads Holding Co. (TEAD) | Grant/award (A): 324,000 @ $0 | EDGAR |
| 2026-03-10 | 4 | Teads Holding Co. (TEAD) | Tax withholding (F): 7,660 @ $0.84 · Tax withholding (F): 11,043 @ $0.84 · Tax withholding (F): 13,680 @ $0.84 | EDGAR |
| 2025-12-09 | 4/A | Teads Holding Co. (TEAD) | Tax withholding (F): 9,216 @ $4.23 | EDGAR |
| 2025-12-09 | 4/A | Teads Holding Co. (TEAD) | Tax withholding (F): 9,758 @ $4.23 | EDGAR |
| 2025-09-08 | 4 | Teads Holding Co. (TEAD) | Tax withholding (F): 9,216 @ $1.63 · Tax withholding (F): 13,391 @ $1.63 · Tax withholding (F): 16,590 @ $1.63 | EDGAR |
| 2025-06-10 | 4 | Teads Holding Co. (TEAD) | Tax withholding (F): 9,216 @ $2.81 · Tax withholding (F): 13,392 @ $2.81 · Tax withholding (F): 33,180 @ $2.81 | EDGAR |
| 2025-06-06 | 4 | Outbrain Inc. (OB) | Grant/award (A): 480,000 @ $0 | EDGAR |
| 2025-03-17 | 4 | Outbrain Inc. (OB) | Purchase (P): 20,000 @ $3.98 | EDGAR |
| 2025-03-11 | 4 | Outbrain Inc. (OB) | Option exercise (M): 200,000 @ $0 · Tax withholding (F): 34,411 @ $4.23 · Tax withholding (F): 11,123 @ $4.23 · Option exercise (M): 200,000 (derivative) @ $0 | EDGAR |
| 2025-01-10 | 4 | Outbrain Inc. (OB) | Tax withholding (F): 2,535 @ $6.75 | EDGAR |
| 2024-12-09 | 4 | Outbrain Inc. (OB) | Tax withholding (F): 9,759 @ $6.19 | EDGAR |
| 2024-10-08 | 4 | Outbrain Inc. (OB) | Tax withholding (F): 2,222 @ $4.61 | EDGAR |
| 2024-09-09 | 4 | Outbrain Inc. (OB) | Tax withholding (F): 9,758 @ $4.80 | EDGAR |
| 2024-07-09 | 4 | Outbrain Inc. (OB) | Tax withholding (F): 2,222 @ $4.67 | EDGAR |
| 2024-06-12 | 4 | Unity Software Inc. (U) | Grant/award (A): 16,732 @ $0 | EDGAR |
| 2024-06-07 | 4 | Outbrain Inc. (OB) | Tax withholding (F): 14,797 @ $4.57 | EDGAR |
| 2024-06-06 | 4 | Outbrain Inc. (OB) | Grant/award (A): 200,000 @ $0 · Grant/award (A): 400,000 (derivative) @ $0 | EDGAR |
| 2024-04-08 | 4 | Outbrain Inc. (OB) | Tax withholding (F): 2,172 @ $4.16 | EDGAR |
| 2024-03-08 | 4 | Outbrain Inc. (OB) | Tax withholding (F): 5,343 @ $3.85 | 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.
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