Mazzara Philip — SEC Form 4 filings
SEC reporting owner CIK 1998163. 29 Form 4 filings on record with FilingPulse; latest filed 2026-08-19.
Transaction summary — filings shown
Covers all 29 filings on record, filed 2024-03-21 to 2026-08-19. 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): 124 legs across 20 filings — 360,642 shares, $34,959,850 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 9.
- Largest priced transaction: sale of 25,000 shares @ $90.13 ($2,253,228) in Astera Labs, Inc., filed 2025-05-20.
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 |
|---|---|---|---|---|---|
| Astera Labs, Inc. (ALAB) | General Counsel and Secretary | 29 | — | 124 legs · 360,642 sh · $34,959,850 | 9 |
Form 4 filings — Mazzara Philip
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-19 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 44 @ $352.10 · Sale (S): 82 @ $351.24 · Sale (S): 156 @ $349.19 · Sale (S): 81 @ $348.05 · Sale (S): 269 @ $347.02 · Sale (S): 199 @ $346.13 · +12 more | EDGAR |
| 2026-05-26 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 796 @ $291.03 | EDGAR |
| 2026-05-20 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 9,204 @ $235.36 · Sale (S): 990 @ $235.41 · Sale (S): 116 @ $233.19 · Sale (S): 99 @ $232.81 · Sale (S): 387 @ $231.31 · Sale (S): 186 @ $230.28 · +12 more | EDGAR |
| 2026-05-18 | 4 | Astera Labs, Inc. (ALAB) | Grant/award (A): 131 @ $120.18 | EDGAR |
| 2026-04-03 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 3,100 @ $106.34 · Sale (S): 1,985 @ $107.54 · Sale (S): 3,415 @ $108.40 · Sale (S): 1,000 @ $109.16 · Sale (S): 500 @ $110.35 | EDGAR |
| 2026-03-04 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 1,200 @ $113.85 · Sale (S): 677 @ $114.81 · Sale (S): 750 @ $115.84 · Sale (S): 1,205 @ $116.85 · Sale (S): 3,200 @ $117.92 · Sale (S): 1,202 @ $118.89 · +2 more | EDGAR |
| 2026-02-19 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 309 @ $122.16 · Sale (S): 1,713 @ $122.84 · Sale (S): 1,435 @ $123.93 · Sale (S): 923 @ $124.66 · Sale (S): 469 @ $126.34 | EDGAR |
| 2026-02-10 | 4 | Astera Labs, Inc. (ALAB) | Grant/award (A): 5,893 @ $0 | EDGAR |
| 2026-01-06 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 100 @ $172.65 · Sale (S): 600 @ $174.13 · Sale (S): 1,100 @ $174.98 · Sale (S): 500 @ $176.92 · Sale (S): 2,304 @ $178.31 · Sale (S): 2,577 @ $179.11 · +3 more | EDGAR |
| 2025-11-19 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 454 @ $146.42 · Sale (S): 1,051 @ $145.69 · Sale (S): 1,801 @ $144.53 · Sale (S): 1,314 @ $143.51 | EDGAR |
| 2025-11-18 | 4 | Astera Labs, Inc. (ALAB) | Grant/award (A): 87 @ $78.36 | EDGAR |
| 2025-10-03 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 700 @ $187.21 · Sale (S): 800 @ $188.37 · Sale (S): 509 @ $189.85 · Sale (S): 1,395 @ $190.97 · Sale (S): 1,000 @ $192.21 · Sale (S): 2,407 @ $193.08 · +3 more | EDGAR |
| 2025-09-02 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 100 @ $182.55 · Sale (S): 339 @ $185.70 · Sale (S): 800 @ $186.37 · Sale (S): 1,716 @ $187.57 · Sale (S): 2,993 @ $188.88 · Sale (S): 2,852 @ $189.65 · +1 more | EDGAR |
| 2025-08-20 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 3,710 @ $183.83 · Sale (S): 3,527 @ $183.17 | EDGAR |
| 2025-07-29 | 4 | Astera Labs, Inc. (ALAB) | Grant/award (A): 16,214 @ $0 | EDGAR |
| 2025-05-20 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 369 @ $92.15 · Sale (S): 1,779 @ $90.67 · Sale (S): 1,661 @ $90.33 · Sale (S): 25,000 @ $90.13 | EDGAR |
| 2025-05-16 | 4 | Astera Labs, Inc. (ALAB) | Grant/award (A): 196 @ $73.48 | EDGAR |
| 2025-02-20 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 7,536 @ $92.07 · Sale (S): 6,928 @ $85.80 · Sale (S): 14,170 @ $86.73 · Sale (S): 12,949 @ $87.54 · Sale (S): 14,760 @ $88.73 · Sale (S): 1,193 @ $89.24 | EDGAR |
| 2024-11-20 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 2,513 @ $90.81 | EDGAR |
| 2024-11-18 | 4 | Astera Labs, Inc. (ALAB) | Grant/award (A): 694 @ $30.60 | EDGAR |
| 2024-11-12 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 10,484 @ $94.78 · Sale (S): 5,856 @ $95.99 · Sale (S): 16,695 @ $96.90 · Sale (S): 5,201 @ $97.98 · Sale (S): 3,000 @ $98.79 · Sale (S): 764 @ $99.68 · +6 more | EDGAR |
| 2024-10-11 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 15,903 @ $60.23 · Sale (S): 9,097 @ $61.64 | EDGAR |
| 2024-08-28 | 4/A | Astera Labs, Inc. (ALAB) | Sale (S): 12,188 @ $39.72 · Sale (S): 19,355 @ $40.28 · Sale (S): 10,457 @ $41.52 · Sale (S): 1,600 @ $42.62 · Sale (S): 6,400 @ $43.25 | EDGAR |
| 2024-08-26 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 12,188 @ $39.72 · Sale (S): 19,355 @ $40.28 · Sale (S): 10,547 @ $41.52 · Sale (S): 1,600 @ $42.62 · Sale (S): 6,400 @ $43.25 | EDGAR |
| 2024-08-20 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 7,260 @ $41.79 | EDGAR |
| 2024-08-15 | 4 | Astera Labs, Inc. (ALAB) | Grant/award (A): 25,304 @ $0 | EDGAR |
| 2024-05-20 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 266 @ $77.48 · Sale (S): 789 @ $76.40 | EDGAR |
| 2024-03-22 | 4 | Astera Labs, Inc. (ALAB) | Tax withholding (F): 4,146 @ $36 | EDGAR |
| 2024-03-21 | 4 | Astera Labs, Inc. (ALAB) | Grant/award (A): 37,500 @ $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.
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