Speiser Michael L — SEC Form 4 filings
SEC reporting owner CIK 1433644. 31 Form 4 filings on record with FilingPulse; latest filed 2026-09-09.
Transaction summary — filings shown
Covers all 31 filings on record, filed 2024-03-22 to 2026-09-09. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 1 leg across 1 filing — 76,200 shares, $9,989,012 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 343 legs across 21 filings — 913,338 shares, $198,919,505 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 39.
- Largest priced transaction: sale of 34,005 shares @ $353.87 ($12,033,383) in Snowflake Inc., filed 2026-09-09.
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 |
|---|---|---|---|---|---|
| Snowflake Inc. (SNOW) | Director | 26 | 1 leg · 76,200 sh · $9,989,012 | 343 legs · 913,338 sh · $198,919,505 | 8 |
| Astera Labs, Inc. (ALAB) | 10% owner | 1 | — | — | 27 |
| Workday, Inc. (WDAY) | Director | 4 | — | — | 4 |
Form 4 filings — Speiser Michael L
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-09 | 4 | Snowflake Inc. (SNOW) | Sale (S): 403 @ $353.87 · Sale (S): 12,973 @ $353.87 · Sale (S): 840 @ $353.87 · Sale (S): 840 @ $353.87 · Sale (S): 840 @ $353.87 · Sale (S): 840 @ $353.87 · +1 more | EDGAR |
| 2026-08-11 | 4 | Snowflake Inc. (SNOW) | Sale (S): 403 @ $324.06 · Sale (S): 12,973 @ $324.06 · Sale (S): 840 @ $324.06 · Sale (S): 840 @ $324.06 · Sale (S): 840 @ $324.06 · Sale (S): 840 @ $324.06 · +1 more | EDGAR |
| 2026-07-08 | 4 | Snowflake Inc. (SNOW) | Sale (S): 2,143 @ $263.91 · Sale (S): 3,368 @ $262.74 · Sale (S): 6,054 @ $262.06 · Sale (S): 301 @ $260.36 · Sale (S): 567 @ $259.76 · Sale (S): 400 @ $258.25 · +24 more | EDGAR |
| 2026-07-08 | 4 | Snowflake Inc. (SNOW) | Sale (S): 53 @ $263.91 · Sale (S): 83 @ $262.74 · Sale (S): 150 @ $262.06 · Sale (S): 7 @ $260.36 · Sale (S): 14 @ $259.76 · Sale (S): 10 @ $258.25 · +24 more | EDGAR |
| 2026-07-08 | 4 | Snowflake Inc. (SNOW) | Sale (S): 53 @ $263.91 · Sale (S): 83 @ $262.74 · Sale (S): 150 @ $262.06 · Sale (S): 7 @ $260.36 · Sale (S): 14 @ $259.76 · Sale (S): 10 @ $258.25 · +4 more | EDGAR |
| 2026-07-01 | 4 | Snowflake Inc. (SNOW) | Grant/award (A): 1,273 @ $0 | EDGAR |
| 2026-06-18 | 4 | Workday, Inc. (WDAY) | Grant/award (A): 2,879 @ $0 | EDGAR |
| 2026-06-08 | 4 | Snowflake Inc. (SNOW) | Sale (S): 403 @ $245.21 · Sale (S): 12,973 @ $245.21 · Sale (S): 34,005 @ $245.21 · Sale (S): 840 @ $245.21 · Sale (S): 840 @ $245.21 · Sale (S): 840 @ $245.21 · +1 more | EDGAR |
| 2026-05-04 | 4 | Snowflake Inc. (SNOW) | Sale (S): 225 @ $142.07 · Sale (S): 148 @ $141.09 · Sale (S): 30 @ $140.50 · Sale (S): 7,245 @ $142.07 · Sale (S): 4,780 @ $141.09 · Sale (S): 948 @ $140.50 · +15 more | EDGAR |
| 2026-04-06 | 4 | Snowflake Inc. (SNOW) | Sale (S): 403 @ $148.21 · Sale (S): 12,973 @ $148.21 · Sale (S): 840 @ $148.21 · Sale (S): 840 @ $148.21 · Sale (S): 840 @ $148.21 · Sale (S): 840 @ $148.21 · +1 more | EDGAR |
| 2026-03-09 | 4 | Snowflake Inc. (SNOW) | Sale (S): 238 @ $175.93 · Sale (S): 85 @ $175.02 · Sale (S): 80 @ $173.15 · Sale (S): 7,670 @ $175.93 · Sale (S): 2,746 @ $175.02 · Sale (S): 2,557 @ $173.15 · +15 more | EDGAR |
| 2026-02-06 | 4 | Snowflake Inc. (SNOW) | Sale (S): 121 @ $165.65 · Sale (S): 282 @ $165.04 · Sale (S): 3,936 @ $165.65 · Sale (S): 9,037 @ $165.04 · Sale (S): 255 @ $165.65 · Sale (S): 585 @ $165.04 · +8 more | EDGAR |
| 2026-02-04 | 4 | Snowflake Inc. (SNOW) | Grant/award (A): 790,158 · Grant/award (A): 2,288 · Grant/award (A): 77,119 · Grant/award (A): 2,500 · Grant/award (A): 402 | EDGAR |
| 2026-01-05 | 4 | Snowflake Inc. (SNOW) | Sale (S): 340 @ $221.26 · Sale (S): 63 @ $220.64 · Sale (S): 28,736 @ $221.26 · Sale (S): 5,269 @ $220.64 · Sale (S): 10,963 @ $221.26 · Sale (S): 2,010 @ $220.64 · +8 more | EDGAR |
| 2025-12-08 | 4 | Snowflake Inc. (SNOW) | Sale (S): 23 @ $233.07 · Sale (S): 33 @ $232.11 · Sale (S): 115 @ $230.79 · Sale (S): 232 @ $230.13 · Sale (S): 2,048 @ $233.07 · Sale (S): 2,723 @ $232.11 · +22 more | EDGAR |
| 2025-11-10 | 4 | Snowflake Inc. (SNOW) | Sale (S): 2,292 @ $261.49 · Sale (S): 31,713 @ $257 · Sale (S): 26 @ $261.49 · Sale (S): 377 @ $257 · Sale (S): 875 @ $261.49 · Sale (S): 12,098 @ $257 · +8 more | EDGAR |
| 2025-10-06 | 4 | Snowflake Inc. (SNOW) | Sale (S): 1,109 @ $241.49 · Sale (S): 1,205 @ $240.47 · Sale (S): 4,634 @ $239.35 · Sale (S): 1,780 @ $238.72 · Sale (S): 4,372 @ $237.51 · Sale (S): 2,485 @ $236.16 · +24 more | EDGAR |
| 2025-10-06 | 4 | Snowflake Inc. (SNOW) | Sale (S): 16 @ $236.02 · Sale (S): 440 @ $234.38 · Sale (S): 27 @ $241.49 · Sale (S): 30 @ $240.47 · Sale (S): 114 @ $239.35 · Sale (S): 44 @ $238.72 · +20 more | EDGAR |
| 2025-09-08 | 4 | Snowflake Inc. (SNOW) | Sale (S): 603 @ $223.65 · Sale (S): 7,788 @ $224.31 · Sale (S): 25,614 @ $225.04 · Sale (S): 7 @ $223.65 · Sale (S): 93 @ $224.31 · Sale (S): 303 @ $225.04 · +15 more | EDGAR |
| 2025-08-04 | 4 | Snowflake Inc. (SNOW) | Sale (S): 26,449 @ $208.55 · Sale (S): 7,556 @ $209.17 · Sale (S): 314 @ $208.55 · Sale (S): 89 @ $209.17 · Sale (S): 10,090 @ $208.55 · Sale (S): 2,883 @ $209.17 · +8 more | EDGAR |
| 2025-07-07 | 4 | Snowflake Inc. (SNOW) | Sale (S): 403 @ $221.47 · Sale (S): 34,005 @ $221.47 · Sale (S): 12,973 @ $221.47 · Sale (S): 840 @ $221.47 · Sale (S): 840 @ $221.47 · Sale (S): 840 @ $221.47 · +1 more | EDGAR |
| 2025-07-03 | 4 | Snowflake Inc. (SNOW) | Grant/award (A): 1,373 @ $0 | EDGAR |
| 2025-06-09 | 4 | Snowflake Inc. (SNOW) | Sale (S): 403 @ $211.35 · Sale (S): 34,005 @ $211.35 · Sale (S): 12,973 @ $211.35 · Sale (S): 840 @ $211.35 · Sale (S): 840 @ $211.35 · Sale (S): 840 @ $211.35 · +1 more | EDGAR |
| 2025-06-05 | 4 | Workday, Inc. (WDAY) | Grant/award (A): 1,336 @ $0 | EDGAR |
| 2025-05-05 | 4 | Snowflake Inc. (SNOW) | Sale (S): 403 @ $168.01 · Sale (S): 34,005 @ $168.01 · Sale (S): 12,973 @ $168.01 · Sale (S): 840 @ $168.01 · Sale (S): 840 @ $168.01 · Sale (S): 840 @ $168.01 · +1 more | EDGAR |
| 2025-04-07 | 4 | Snowflake Inc. (SNOW) | Sale (S): 71 @ $130.99 · Sale (S): 130 @ $130.21 · Sale (S): 202 @ $128.02 · Sale (S): 6,002 @ $130.99 · Sale (S): 10,969 @ $130.21 · Sale (S): 17,034 @ $128.02 · +15 more | EDGAR |
| 2024-07-09 | 4 | Workday, Inc. (WDAY) | Grant/award (A): 3,466 @ $0 | EDGAR |
| 2024-07-03 | 4 | Snowflake Inc. (SNOW) | Grant/award (A): 2,292 @ $0 | EDGAR |
| 2024-06-21 | 4 | Workday, Inc. (WDAY) | Grant/award (A): 1,555 @ $0 | EDGAR |
| 2024-06-10 | 4 | Snowflake Inc. (SNOW) | Purchase (P): 76,200 @ $131.09 | EDGAR |
| 2024-03-22 | 4 | Astera Labs, Inc. (ALAB) jointly with SUTTER HILL VENTURES, Pullara Samuel J III | Conversion (C): 198,091 · Conversion (C): 99,053 · Conversion (C): 16,761,590 · Conversion (C): 1,573,520 · Conversion (C): 11,295 · Conversion (C): 1,815 · +21 more | 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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