Mark L. Baum
CIK: 0001274282
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
HARROW, INC.
Discretionary Trading P&L
Holdings
Transaction History (9 total)
- May 14, 2026HROW
HARROW, INC.
Purchase(P)Direct10K shares at avg. $30.20$302K - Dec 12, 2025HROW
HARROW, INC.
Exercise(M)Direct180K shares at avg. $3.95$711K - Dec 12, 2025HROW
HARROW, INC.
Tax Payment(F)Direct80K shares at avg. $47.06$3.8M - Jul 21, 2025HROW
HARROW, INC.
Exercise(M)Direct600K shares at avg. $7.87$4.7M - Jul 21, 2025HROW
HARROW, INC.
Tax Payment(F)Direct313.3K shares at avg. $37.08$11.6M - Jul 1, 2025HROW
HARROW, INC.
Award(A)DirectRSU
889.5K shares- - Apr 7, 2025HROW
HARROW, INC.
Tax Payment(F)Direct300.4K shares at avg. $23.09$6.9M - Apr 3, 2025HROW
HARROW, INC.
Exercise(M)Direct762.3K shares- - Jul 31, 2015HROW
HARROW, INC.
Exercise(M)DirectStock Option (Right to Buy)
600K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 14, 2026 | HROW HARROW, INC. | Purchase(P) | 10,000 | $30.20 | $302,000 | Direct |
| Dec 12, 2025 | HROW HARROW, INC. | Exercise(M) | 180,000 | $3.95 | $711,000 | Direct |
| Dec 12, 2025 | HROW HARROW, INC. | Tax Payment(F) | 79,994 | $47.06 | $3,764,518 | Direct |
| Jul 21, 2025 | HROW HARROW, INC. | Exercise(M) | 600,000 | $7.87 | $4,722,000 | Direct |
| Jul 21, 2025 | HROW HARROW, INC. | Tax Payment(F) | 313,338 | $37.08 | $11,618,573 | Direct |
| Jul 1, 2025 | HROW HARROW, INC. | Award(A) RSU | 889,500 | - | - | Direct |
| Apr 7, 2025 | HROW HARROW, INC. | Tax Payment(F) | 300,363 | $23.09 | $6,935,382 | Direct |
| Apr 3, 2025 | HROW HARROW, INC. | Exercise(M) | 762,300 | - | - | Direct |
| Jul 31, 2015 | HROW HARROW, INC. | Exercise(M) Stock Option (Right to Buy) | 600,000 | - | - | Direct |
1-9 of 9 transactions
About BAUM MARK L
BAUM MARK L (SEC CIK 0001274282) files insider reports with the SEC as CHIEF EXECUTIVE OFFICER of HARROW, INC. (HROW).
Signal8 holds 5 ownership filings by BAUM MARK L, all Form 4s, filed between Apr 7, 2025 and May 15, 2026. Those filings report 9 transactions, from Jul 31, 2015 to May 14, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on BAUM MARK L's filings is in NASHVILLE, TN.
Recent filings by BAUM MARK L
- May 14, 2026: Open-market purchase of HROW shares (Form 4, code P).
- Dec 12, 2025: Option exercise of HROW shares (Form 4, code M).
- Dec 12, 2025: Tax withholding of HROW shares (Form 4, code F).
- Jul 21, 2025: Option exercise of HROW shares (Form 4, code M).
- Jul 21, 2025: Tax withholding of HROW shares (Form 4, code F).
Other insiders filing for HARROW, INC. (HROW)
- Shojaei Amir, CHIEF SCIENTIFIC OFFICER
- Sternberg Perry J., Director
- SILVERNAIL LAUREN P, Director
- Graves Adrienne L, Director
- BOLL ANDREW R., PRESIDENT AND CFO
- Opaleye Management Inc., 10% Owner