Mackay Sean — SEC Form 4 filings
SEC reporting owner CIK 1875501. 11 Form 4 filings on record with FilingPulse; latest filed 2026-08-24.
Transaction summary — filings shown
Covers all 11 filings on record, filed 2025-03-24 to 2026-08-24. 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): 3 legs across 2 filings — 38,591 shares, $38,221 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 11.
- Largest priced transaction: sale of 12,838 shares @ $1.03 ($13,223) in STANDARD BIOTOOLS INC., filed 2025-05-23.
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 |
|---|---|---|---|---|---|
| STANDARD BIOTOOLS INC. (LAB) | SVP & Chief Business Officer | 11 | — | 3 legs · 38,591 sh · $38,221 | 11 |
Form 4 filings — Mackay Sean
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-24 | 4 | STANDARD BIOTOOLS INC. (LAB) | Tax withholding (F): 25,729 @ $0.67 | EDGAR |
| 2026-06-23 | 4 | STANDARD BIOTOOLS INC. (LAB) | Grant/award (A): 500,000 @ $0 | EDGAR |
| 2026-05-22 | 4 | STANDARD BIOTOOLS INC. (LAB) | Tax withholding (F): 25,729 @ $1 | EDGAR |
| 2026-04-08 | 4 | STANDARD BIOTOOLS INC. (LAB) | Grant/award (A): 272,107 @ $0 · Grant/award (A): 612,240 (derivative) @ $0 | EDGAR |
| 2026-02-24 | 4 | STANDARD BIOTOOLS INC. (LAB) | Tax withholding (F): 19,661 @ $1.15 | EDGAR |
| 2025-11-24 | 4 | STANDARD BIOTOOLS INC. (LAB) | Tax withholding (F): 19,661 @ $1.28 | EDGAR |
| 2025-08-22 | 4 | STANDARD BIOTOOLS INC. (LAB) | Tax withholding (F): 19,661 @ $1.27 | EDGAR |
| 2025-05-30 | 4 | STANDARD BIOTOOLS INC. (LAB) | Tax withholding (F): 23,919 @ $1.09 | EDGAR |
| 2025-05-28 | 4 | STANDARD BIOTOOLS INC. (LAB) | Sale (S): 13,217 @ $0.94 | EDGAR |
| 2025-05-23 | 4 | STANDARD BIOTOOLS INC. (LAB) | Sale (S): 12,838 @ $1.03 · Sale (S): 12,536 @ $1.00 | EDGAR |
| 2025-03-24 | 4 | STANDARD BIOTOOLS INC. (LAB) | Grant/award (A): 281,667 @ $0 · Grant/award (A): 422,500 (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.
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