Smith Michael Alexander
Officer · INSM
As of 2026-09-27, Smith Michael Alexander has 83 Form 4 transactions on record across 1 company — 31 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in May in multiple years since 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $4.4M
- Indirect $0
| INSM | direct | 37,648 sh | $4.4M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-06-22 | INSM | Sale | 1,806 @ $95.82 | $173K | −4.6% of holding | 37,648 | Form 4 |
| 2026-06-03 | INSM | Sale | 2,159 @ $102.27 | $221K | −5.2% of holding | 39,454 | Form 4 |
| 2026-05-22 | INSM | Sale | 6,149 @ $108.47 | $667K | −12.9% of holding | 41,613 | Form 4 |
| 2026-05-13 | INSM | Sale | 4,109 @ $116.18 | $477K | −7.9% of holding | 47,762 | Form 4 |
| 2026-03-30 | INSM | Sale | 19,638 @ $150.98 | $3.0M | −27.5% of holding | 51,871 | Form 4 |
| 2026-02-24 | INSM | Sale | 15,771 @ $156.53 | $2.5M | −23.3% of holding | 51,871 | Form 4 |
| 2026-02-24 | INSM | Sale | 4,852 @ $153.93 | $747K | −6.3% of holding | 71,793 | Form 4 |
| 2026-02-24 | INSM | Sale | 4,151 @ $155.06 | $644K | −5.8% of holding | 67,642 | Form 4 |
| 2026-02-03 | INSM | Sale | 640 @ $156.27 | $100K | −1.1% of holding | 56,397 | Form 4 |
| 2026-01-08 | INSM | Sale | 1,053 @ $174.17 | $183K | −1.8% of holding | 57,037 | Form 4 |
| 2026-01-07 | INSM | Sale | 709 @ $175.07 | $124K | −1.2% of holding | 58,090 | Form 4 |
| 2026-01-06 | INSM | Sale | 1,396 @ $173.33 | $242K | −2.3% of holding | 58,799 | Form 4 |
| 2025-11-03 | INSM | Sale | 7,619 @ $181.88 | $1.4M | −9.4% of holding | 73,071 | Form 4 |
| 2025-11-03 | INSM | Sale | 4,286 @ $182.60 | $783K | −5.9% of holding | 68,785 | Form 4 |
| 2025-11-03 | INSM | Sale | 4,032 @ $183.92 | $742K | −5.9% of holding | 64,753 | Form 4 |
| 2025-11-03 | INSM | Sale | 3,636 @ $185.93 | $676K | −5.9% of holding | 57,874 | Form 4 |
| 2025-11-03 | INSM | Sale | 3,243 @ $184.91 | $600K | −5.0% of holding | 61,510 | Form 4 |
| 2025-11-03 | INSM | Sale | 1,572 @ $187.15 | $294K | −2.7% of holding | 56,302 | Form 4 |
| 2025-11-03 | INSM | Sale | 1,400 @ $187.97 | $263K | −2.5% of holding | 54,902 | Form 4 |
| 2025-11-03 | INSM | Sale | 1,342 @ $181.01 | $243K | −1.6% of holding | 80,690 | Form 4 |
| 2025-09-02 | INSM | Sale | 8,300 @ $144.16 | $1.2M | −12.0% of holding | 61,029 | Form 4 |
| 2025-09-02 | INSM | Sale | 7,391 @ $143.16 | $1.1M | −9.6% of holding | 69,329 | Form 4 |
| 2025-09-02 | INSM | Sale | 4,944 @ $145.18 | $718K | −8.1% of holding | 56,085 | Form 4 |
| 2025-09-02 | INSM | Sale | 1,354 @ $141.16 | $191K | −1.7% of holding | 77,820 | Form 4 |
| 2025-09-02 | INSM | Sale | 1,183 @ $145.89 | $173K | −2.1% of holding | 54,902 | Form 4 |
| 2025-09-02 | INSM | Sale | 1,100 @ $142.06 | $156K | −1.4% of holding | 76,720 | Form 4 |
| 2025-07-15 | INSM | Sale | 933 @ $102.51 | $96K | −1.4% of holding | 66,394 | Form 4 |
| 2025-07-11 | INSM | Sale | 748 @ $96.41 | $72K | −1.1% of holding | 67,327 | Form 4 |
| 2025-06-05 | INSM | Sale | 1,879 @ $73.50 | $138K | −2.7% of holding | 67,718 | Form 4 |
| 2025-06-03 | INSM | Sale | 1,448 @ $71.50 | $104K | −2.0% of holding | 69,597 | Form 4 |
| 2025-05-30 | INSM | Sale | 20,000 @ $70.00 | $1.4M | −22.0% of holding | 71,045 | Form 4 |
| 2025-05-30 | INSM | Sale | 6,327 @ $68.56 | $434K | −6.5% of holding | 91,045 | Form 4 |
| 2025-05-14 | INSM | Sale | 409 @ $65.61 | $27K | −0.4% of holding | 91,794 | Form 4 |
| 2025-05-13 | INSM | Sale | 4,407 @ $67.81 | $299K | −4.6% of holding | 92,203 | Form 4 |
| 2025-02-06 | INSM | Sale | 20,650 @ $80.90 | $1.7M | −17.6% of holding | 96,610 | Form 4 |
| 2025-01-10 | INSM | Sale | 319 @ $63.38 | $20K | −0.5% of holding | 69,965 | Form 4 |
| 2025-01-08 | INSM | Sale | 1,064 @ $66.21 | $70K | −1.6% of holding | 64,578 | Form 4 |
| 2025-01-07 | INSM | Sale | 2,306 @ $65.98 | $152K | −3.4% of holding | 65,642 | Form 4 |
| 2024-09-13 | INSM | Sale | 18,871 @ $74.16 | $1.4M | −19.7% of holding | 76,856 | Form 4 |
| 2024-09-13 | INSM | Sale | 9,000 @ $74.75 | $673K | −11.7% of holding | 67,856 | Form 4 |
| 2024-08-12 | INSM | Sale | 67,655 @ $72.75 | $4.9M | −38.3% of holding | 109,142 | Form 4 |
| 2024-08-12 | INSM | Sale | 20,415 @ $73.65 | $1.5M | −18.7% of holding | 88,727 | Form 4 |
| 2024-05-28 | INSM | Sale | 44,722 @ $49.53 | $2.2M | −33.5% of holding | 88,828 | Form 4 |
| 2024-05-14 | INSM | Sale | 5,093 @ $25.40 | $129K | −5.1% of holding | 94,579 | Form 4 |
39 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-03-30 | INSM | Option exercise | 13,989 | 71,509 | Form 4 |
| 2026-03-30 | INSM | Option exercise | 5,649 | 57,520 | Form 4 |
| 2026-03-30 | INSM | Option exercise | 13,989 | 18,561 | Form 4 |
| 2026-03-30 | INSM | Option exercise | 5,649 | 8,633 | Form 4 |
| 2026-02-24 | INSM | Option exercise | 20,248 | 76,645 | Form 4 |
| 2026-02-24 | INSM | Option exercise | 20,248 | 14,282 | Form 4 |
| 2026-01-02 | INSM | Award / grant | 27,600 | 27,600 | Form 4 |
| 2026-01-02 | INSM | Award / grant | 5,293 | 60,195 | Form 4 |
| 2026-01-02 | INSM | Award / grant | 5,293 | 60,195 | Form 4 |
| 2025-11-03 | INSM | Option exercise | 27,130 | 82,032 | Form 4 |
| 2025-11-03 | INSM | Option exercise | 27,130 | 0 | Form 4 |
| 2025-09-02 | INSM | Option exercise | 12,780 | 79,174 | Form 4 |
| 2025-09-02 | INSM | Option exercise | 12,780 | 0 | Form 4 |
| 2025-05-15 | INSM | Award / grant | 27,100 | 27,100 | Form 4 |
| 2025-05-15 | INSM | Award / grant | 5,578 | 97,372 | Form 4 |
| 2025-02-05 | INSM | Award / grant | 47,295 | 117,260 | Form 4 |
| 2025-01-08 | INSM | Award / grant | 27,370 | 27,370 | Form 4 |
| 2025-01-08 | INSM | Award / grant | 5,706 | 70,284 | Form 4 |
| 2024-09-13 | INSM | Option exercise | 7,000 | 95,727 | Form 4 |
| 2024-09-13 | INSM | Option exercise | 7,000 | 0 | Form 4 |
| 2024-08-12 | INSM | Option exercise | 34,530 | 176,797 | Form 4 |
| 2024-08-12 | INSM | Option exercise | 41,640 | 142,267 | Form 4 |
| 2024-08-12 | INSM | Option exercise | 11,900 | 100,627 | Form 4 |
| 2024-08-12 | INSM | Option exercise | 41,640 | 0 | Form 4 |
| 2024-08-12 | INSM | Option exercise | 11,900 | 0 | Form 4 |
| 2024-08-12 | INSM | Option exercise | 34,530 | 34,530 | Form 4 |
| 2024-07-08 | INSM | Withheld for tax | 730 | 88,727 | Form 4 |
| 2024-05-28 | INSM | Option exercise | 14,810 | 133,550 | Form 4 |
| 2024-05-28 | INSM | Option exercise | 10,000 | 111,579 | Form 4 |
| 2024-05-28 | INSM | Option exercise | 7,000 | 101,579 | Form 4 |
| 2024-05-28 | INSM | Option exercise | 3,691 | 115,270 | Form 4 |
| 2024-05-28 | INSM | Option exercise | 3,470 | 118,740 | Form 4 |
| 2024-05-28 | INSM | Option exercise | 10,000 | 0 | Form 4 |
| 2024-05-28 | INSM | Option exercise | 3,691 | 0 | Form 4 |
| 2024-05-28 | INSM | Option exercise | 14,810 | 0 | Form 4 |
| 2024-05-28 | INSM | Option exercise | 3,470 | 0 | Form 4 |
| 2024-05-28 | INSM | Option exercise | 7,000 | 0 | Form 4 |
| 2024-05-13 | INSM | Award / grant | 65,230 | 65,230 | Form 4 |
| 2024-05-13 | INSM | Award / grant | 13,308 | 99,672 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.