MUIR GLENN P — SEC Form 4 filings
SEC reporting owner CIK 1181190. 20 Form 4 filings on record with FilingPulse; latest filed 2026-08-20.
Transaction summary — filings shown
Covers all 20 filings on record, filed 2024-05-20 to 2026-08-20. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 5 legs across 4 filings — 100,171 shares, $85,128 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 25,000 shares @ $1.00 ($25,000) in Neuronetics, Inc., filed 2024-08-21.
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 |
|---|---|---|---|---|---|
| Neuronetics, Inc. (STIM) | Director | 9 | 5 legs · 100,171 sh · $85,128 | — | 5 |
| REPLIGEN CORP (RGEN) | Director | 7 | — | — | 14 |
| G1 Therapeutics, Inc. (GTHX) | Director | 2 | — | — | 8 |
| Cytek Biosciences, Inc. (CTKB) | Director | 2 | — | — | 4 |
Form 4 filings — MUIR GLENN P
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-20 | 4 | Cytek Biosciences, Inc. (CTKB) | Option exercise (M): 3,086 · Option exercise (M): 3,086 (derivative) @ $0 | EDGAR |
| 2026-06-12 | 4 | Cytek Biosciences, Inc. (CTKB) | Grant/award (A): 55,555 (derivative) @ $0 · Grant/award (A): 29,835 (derivative) @ $0 | EDGAR |
| 2026-05-29 | 4 | Neuronetics, Inc. (STIM) | Grant/award (A): 30,000 @ $0 | EDGAR |
| 2026-05-18 | 4 | REPLIGEN CORP (RGEN) | Grant/award (A): 995 @ $0 · Grant/award (A): 2,239 (derivative) @ $0 | EDGAR |
| 2026-05-08 | 4 | REPLIGEN CORP (RGEN) | Option exercise (M): 2,434 @ $38.76 · Option exercise (M): 2,434 (derivative) @ $0 | EDGAR |
| 2025-12-17 | 4 | REPLIGEN CORP (RGEN) | Option exercise (M): 3,366 @ $26.12 · Option exercise (M): 3,366 (derivative) @ $0 | EDGAR |
| 2025-10-22 | 4 | Neuronetics, Inc. (STIM) | Grant/award (A): 7,554 @ $0 | EDGAR |
| 2025-05-27 | 4 | Neuronetics, Inc. (STIM) | Grant/award (A): 30,000 | EDGAR |
| 2025-05-19 | 4 | REPLIGEN CORP (RGEN) | Grant/award (A): 973 @ $0 · Grant/award (A): 1,800 (derivative) @ $0 | EDGAR |
| 2025-02-10 | 4 | Neuronetics, Inc. (STIM) | Other (J): 44,444 @ $2.25 | EDGAR |
| 2024-11-20 | 4 | REPLIGEN CORP (RGEN) | Option exercise (M): 19,000 @ $36.29 · Option exercise (M): 19,000 (derivative) @ $0 | EDGAR |
| 2024-09-18 | 4 | G1 Therapeutics, Inc. (GTHX) | Disposition to issuer (D): 20,000 · Code (U): 185,358 · Disposition to issuer (D): 30,000 (derivative) · Disposition to issuer (D): 30,000 (derivative) · Disposition to issuer (D): 30,000 (derivative) · Disposition to issuer (D): 50,000 (derivative) | EDGAR |
| 2024-09-06 | 4 | Neuronetics, Inc. (STIM) | Purchase (P): 25,000 @ $0.80 | EDGAR |
| 2024-08-30 | 4 | Neuronetics, Inc. (STIM) | Purchase (P): 12,776 @ $0.85 · Purchase (P): 12,224 @ $0.85 | EDGAR |
| 2024-08-21 | 4 | Neuronetics, Inc. (STIM) | Purchase (P): 25,000 @ $1 | EDGAR |
| 2024-08-16 | 4 | Neuronetics, Inc. (STIM) | Purchase (P): 25,171 @ $0.75 | EDGAR |
| 2024-08-01 | 4 | REPLIGEN CORP (RGEN) | Option exercise (M): 5,000 @ $36.29 · Option exercise (M): 5,000 (derivative) @ $0 | EDGAR |
| 2024-06-14 | 4 | G1 Therapeutics, Inc. (GTHX) | Grant/award (A): 10,000 @ $0 · Grant/award (A): 30,000 (derivative) @ $0 | EDGAR |
| 2024-06-05 | 4 | Neuronetics, Inc. (STIM) | Grant/award (A): 25,000 | EDGAR |
| 2024-05-20 | 4 | REPLIGEN CORP (RGEN) | Grant/award (A): 701 @ $0 · Grant/award (A): 1,376 (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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