Harrow, Inc. (HROW) Insider Ownership

Historic Insider Ownership Trends

Harrow's top three insider shareholders as of June 06, 2026 are Management Inc. Opaleye (TenPercentOwner, 3.68Mn shares), Management Inc. Opaleye (TenPercentOwner, 3.29Mn shares), Mark L Baum (Chief Executive Officer, 2.99Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Mark L Baum Chief Executive Officer 2,986,130 0 16 Dec, 2025
Andrew R. Boll President And Cfo 811,179 0 16 Dec, 2025
Management Inc. Opaleye - 0 3,681,428 05 Mar, 2026
John P. Saharek Ceo President, Imprimisrx 467,388 0 07 Apr, 2025
Horn R. Lawrence Van - 1,860 0 23 Dec, 2022
Martin A. Makary - 45,000 0 15 Aug, 2023

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
03 Mar, 2026 Management Inc. Opaleye Common Stock, par value $0.001 per share D 59,000 $39.15 3,756,000 I S
03 Mar, 2026 Management Inc. Opaleye Common Stock, par value $0.001 per share D 1,309 $39.15 63,691 I S
04 Mar, 2026 Management Inc. Opaleye Common Stock, par value $0.001 per share D 134,000 $39.67 3,622,000 I S
04 Mar, 2026 Management Inc. Opaleye Common Stock, par value $0.001 per share D 4,263 $39.67 59,428 I S
27 Feb, 2026 Management Inc. Opaleye Common Stock, par value $0.001 per share D 5,000 $54.18 65,000 I S
30 Jan, 2026 Patrick William Sullivan RSU A 25,000 $0.00 25,000 D A
30 Jan, 2026 Patrick William Sullivan RSU A 25,000 $0.00 25,000 D A
30 Jan, 2026 Patrick William Sullivan RSU A 15,000 $0.00 15,000 D A
30 Jan, 2026 Patrick William Sullivan RSU A 15,000 $0.00 15,000 D A
06 Jan, 2026 Management Inc. Opaleye Common Stock, par value $0.001 per share D 20,000 $53.35 70,000 I S
12 Dec, 2025 Andrew R. Boll Common Stock A 60,000 $3.95 837,844 D M
12 Dec, 2025 Mark L Baum Common Stock A 180,000 $3.95 3,066,124 D M
12 Dec, 2025 Andrew R. Boll Common Stock D 26,665 $47.06 811,179 D F
12 Dec, 2025 Mark L Baum Common Stock D 79,994 $47.06 2,986,130 D F
12 Dec, 2025 Mark L Baum Stock Option (Right to Buy) D 180,000 $0.00 0 D M
12 Dec, 2025 Andrew R. Boll Stock Option (Right to Buy) D 60,000 $0.00 0 D M
01 Sep, 2025 Randall E. Pollard Stock Option (Right to Buy) A 30,000 $0.00 30,000 D A
01 Sep, 2025 Randall E. Pollard Stock Option (Right to Buy) A 30,000 $0.00 30,000 D A
21 Jul, 2025 Mark L Baum Common stock A 600,000 $7.87 3,199,462 D M
21 Jul, 2025 Mark L Baum Common stock D 313,338 $37.08 2,886,124 D F