Leonard Braden Michael
Ten-percent owner · OM, ACRS, ADVM, ANTX
As of 2026-09-16, Leonard Braden Michael has 30 Form 4 transactions on record across 4 companies — 10 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.
Reconstructed holdings
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 |
|---|---|---|---|---|---|---|---|
| 2026-04-23 | ACRS | Sale | 300,000 @ $4.53 | $1.4M | −2.1% of holding | 13,950,000 | Form 4 |
| 2025-12-04 | ADVM | Sale | 524,560 @ $4.19 | $2.2M | −21.1% of holding | 1,958,080 | Form 4 |
| 2025-12-03 | ADVM | Sale | 222,925 @ $4.17 | $930K | −8.4% of holding | 2,428,640 | Form 4 |
| 2025-12-02 | ADVM | Sale | 51,961 @ $4.20 | $218K | −1.9% of holding | 2,705,565 | Form 4 |
| 2025-12-01 | ADVM | Sale | 300,000 @ $4.20 | $1.3M | −9.8% of holding | 2,757,526 | Form 4 |
| 2025-10-03 | — | Sale | 220,410 @ $7.13 | $1.6M | −100.0% of holding | 0 | Form 4 |
| 2025-10-03 | — | Sale | 9,166 @ $5.83 | $53K | −100.0% of holding | 0 | Form 4 |
| 2025-05-30 | ANTX | Sale | 425,000 @ $1.01 | $429K | −11.6% of holding | 3,224,432 | Form 4 |
| 2025-05-30 | ANTX | Sale | 7,000 @ $1.03 | $7K | −0.2% of holding | 3,217,432 | Form 4 |
| 2025-05-28 | ANTX | Sale | 2,000,000 @ $1.16 | $2.3M | −34.8% of holding | 3,749,432 | Form 4 |
| 2025-05-28 | ANTX | Sale | 200,000 @ $1.09 | $218K | −6.2% of holding | 3,017,432 | Form 4 |
| 2025-05-28 | ANTX | Sale | 100,000 @ $1.16 | $116K | −2.7% of holding | 3,649,432 | Form 4 |
| 2025-04-23 | ADVM | Purchase | 50,000 @ $2.98 | $149K | +35.3% of holding | 191,800 | Form 4 |
| 2025-04-22 | ADVM | Purchase | 300,000 @ $3.00 | $900K | +10.9% of holding | 3,057,526 | Form 4 |
| 2025-04-02 | ADVM | Purchase | 15,209 @ $4.04 | $61K | +0.6% of holding | 2,757,526 | Form 4 |
| 2025-03-31 | ADVM | Purchase | 19,566 @ $4.38 | $86K | +0.7% of holding | 2,742,317 | Form 4 |
| 2025-03-27 | ADVM | Purchase | 16,593 @ $5.19 | $86K | +13.3% of holding | 141,800 | Form 4 |
| 2025-03-27 | ADVM | Purchase | 16,593 @ $5.19 | $86K | −10.5% of holding | 141,800 | Form 4 |
| 2025-03-26 | ADVM | Purchase | 20,407 @ $5.04 | $103K | +19.5% of holding | 125,207 | Form 4 |
| 2025-03-26 | ADVM | Purchase | 20,407 @ $5.04 | $103K | +19.5% of holding | 125,207 | Form 4 |
| 2025-03-20 | ADVM | Purchase | 30,600 @ $5.61 | $172K | +1.1% of holding | 2,722,761 | Form 4 |
| 2025-03-19 | ADVM | Purchase | 25,000 @ $4.94 | $123K | +0.9% of holding | 2,692,161 | Form 4 |
| 2025-03-18 | ADVM | Purchase | 44,341 @ $4.73 | $210K | +1.7% of holding | 2,667,161 | Form 4 |
| 2025-03-18 | ADVM | Purchase | 18,000 @ $4.60 | $83K | +0.7% of holding | 2,622,820 | Form 4 |
| 2025-02-28 | ADVM | Purchase | 85,068 @ $4.60 | $391K | +3.4% of holding | 2,604,820 | Form 4 |
| 2025-02-27 | ADVM | Purchase | 86,802 @ $4.46 | $387K | +3.6% of holding | 2,519,752 | Form 4 |
| 2025-02-26 | ADVM | Purchase | 164,886 @ $4.01 | $661K | +7.3% of holding | 2,432,950 | Form 4 |
3 award / exercise / gift records — not counted as purchases
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.