ALAB.NASDAQAstera Labs, INC
Form 4: Astera Labs Executive Sells Shares
Sentiment:
Insider Transaction (Form 4)
Philip Mazzara, General Counsel and Secretary of Astera Labs, Inc., sold 6,801 shares of common stock on August 17, 2026.
Summary
- Open-market sale: disposed of 44 Common Stock at $352.10 ($15,493) on August 17, 2026; holds 103,299 after (Direct).
- Open-market sale: disposed of 82 Common Stock at $351.24 ($28,801) on August 17, 2026; holds 103,217 after (Direct).
- Open-market sale: disposed of 156 Common Stock at $349.19 ($54,473) on August 17, 2026; holds 103,061 after (Direct).
- Open-market sale: disposed of 81 Common Stock at $348.05 ($28,192) on August 17, 2026; holds 102,980 after (Direct).
- Open-market sale: disposed of 269 Common Stock at $347.02 ($93,347) on August 17, 2026; holds 102,711 after (Direct).
- Open-market sale: disposed of 199 Common Stock at $346.13 ($68,879) on August 17, 2026; holds 102,512 after (Direct).
- Open-market sale: disposed of 1,310 Common Stock at $344.99 ($451,943) on August 17, 2026; holds 101,202 after (Direct).
- Open-market sale: disposed of 287 Common Stock at $343.94 ($98,710) on August 17, 2026; holds 100,915 after (Direct).
- Open-market sale: disposed of 415 Common Stock at $342.95 ($142,323) on August 17, 2026; holds 100,500 after (Direct).
- Open-market sale: disposed of 125 Common Stock at $341.71 ($42,714) on August 17, 2026; holds 100,375 after (Direct).
- Open-market sale: disposed of 205 Common Stock at $340.58 ($69,820) on August 17, 2026; holds 100,170 after (Direct).
- Open-market sale: disposed of 504 Common Stock at $339.74 ($171,231) on August 17, 2026; holds 99,666 after (Direct).
- Open-market sale: disposed of 610 Common Stock at $338.58 ($206,536) on August 17, 2026; holds 99,056 after (Direct).
- Open-market sale: disposed of 797 Common Stock at $337.76 ($269,192) on August 17, 2026; holds 98,259 after (Direct).
- Open-market sale: disposed of 227 Common Stock at $336.65 ($76,419) on August 17, 2026; holds 98,032 after (Direct).
- Open-market sale: disposed of 136 Common Stock at $335.42 ($45,617) on August 17, 2026; holds 97,896 after (Direct).
- Open-market sale: disposed of 540 Common Stock at $334.23 ($180,483) on August 17, 2026; holds 97,356 after (Direct).
- Open-market sale: disposed of 814 Common Stock at $333.64 ($271,581) on August 17, 2026; holds 96,542 after (Direct).
Sentiment
Score: 3
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $2,315,754 of stock on the open market.
Insider Transactions
Philip Mazzara — Officer (General Counsel and Secretary)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-17 | Open-market sale | Common Stock | 44 | $352 | $15.5K | 103,299 |
| 2026-08-17 | Open-market sale | Common Stock | 82 | $351 | $28.8K | 103,217 |
| 2026-08-17 | Open-market sale | Common Stock | 156 | $349 | $54.5K | 103,061 |
| 2026-08-17 | Open-market sale | Common Stock | 81 | $348 | $28.2K | 102,980 |
| 2026-08-17 | Open-market sale | Common Stock | 269 | $347 | $93.3K | 102,711 |
| 2026-08-17 | Open-market sale | Common Stock | 199 | $346 | $68.9K | 102,512 |
| 2026-08-17 | Open-market sale | Common Stock | 1,310 | $345 | $451.9K | 101,202 |
| 2026-08-17 | Open-market sale | Common Stock | 287 | $344 | $98.7K | 100,915 |
| 2026-08-17 | Open-market sale | Common Stock | 415 | $343 | $142.3K | 100,500 |
| 2026-08-17 | Open-market sale | Common Stock | 125 | $342 | $42.7K | 100,375 |
| 2026-08-17 | Open-market sale | Common Stock | 205 | $341 | $69.8K | 100,170 |
| 2026-08-17 | Open-market sale | Common Stock | 504 | $340 | $171.2K | 99,666 |
| 2026-08-17 | Open-market sale | Common Stock | 610 | $339 | $206.5K | 99,056 |
| 2026-08-17 | Open-market sale | Common Stock | 797 | $338 | $269.2K | 98,259 |
| 2026-08-17 | Open-market sale | Common Stock | 227 | $337 | $76.4K | 98,032 |
| 2026-08-17 | Open-market sale | Common Stock | 136 | $335 | $45.6K | 97,896 |
| 2026-08-17 | Open-market sale | Common Stock | 540 | $334 | $180.5K | 97,356 |
| 2026-08-17 | Open-market sale | Common Stock | 814 | $334 | $271.6K | 96,542 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-17 | Open-market sale (44 shares) |
| 2026-08-17 | Open-market sale (82 shares) |
| 2026-08-17 | Open-market sale (156 shares) |
| 2026-08-17 | Open-market sale (81 shares) |
| 2026-08-17 | Open-market sale (269 shares) |
| 2026-08-17 | Open-market sale (199 shares) |
| 2026-08-17 | Open-market sale (1,310 shares) |
| 2026-08-17 | Open-market sale (287 shares) |
| 2026-08-17 | Open-market sale (415 shares) |
| 2026-08-17 | Open-market sale (125 shares) |
| 2026-08-17 | Open-market sale (205 shares) |
| 2026-08-17 | Open-market sale (504 shares) |
| 2026-08-17 | Open-market sale (610 shares) |
| 2026-08-17 | Open-market sale (797 shares) |
| 2026-08-17 | Open-market sale (227 shares) |
| 2026-08-17 | Open-market sale (136 shares) |
| 2026-08-17 | Open-market sale (540 shares) |
| 2026-08-17 | Open-market sale (814 shares) |
Keywords
insider transaction, Form 4, ALAB, Astera Labs, Inc., bearish, Philip Mazzara
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