Harrow, Inc. (HROW) Insider Ownership

Historic Insider Ownership Trends

Data spanning the past 90 days through February 07, 2026 reveals that Harrow's three principal insider shareholders consist of Chief Executive Officer Mark L Baum (2.99Mn shares), President And Cfo Andrew R. Boll (811.18K shares), Ceo & President And Imprimisrx John P. Saharek (467.39K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Mark L Baum Chief Executive Officer 2,986,130 16 Dec, 2025
Andrew R. Boll President And Cfo 811,179 16 Dec, 2025
John P. Saharek Ceo & President And Imprimisrx 467,388 07 Apr, 2025
Management Inc. Opaleye 70,000 08 Jan, 2026
Martin A. Makary 45,000 15 Aug, 2023
Richard L Md Lindstrom 26,100 03 Oct, 2022
Horn R. Lawrence Van 1,860 23 Dec, 2022

* 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
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 Mark L Baum Common Stock A 180,000 $3.95 3,066,124 D M
12 Dec, 2025 Mark L Baum Common Stock D 79,994 $47.06 2,986,130 D F
12 Dec, 2025 Andrew R. Boll - - 811,179 D
12 Dec, 2025 Andrew R. Boll Common Stock A 60,000 $3.95 837,844 D M
12 Dec, 2025 Andrew R. Boll Common Stock D 26,665 $47.06 811,179 D F
12 Dec, 2025 Andrew R. Boll - - 837,844 D
21 Jul, 2025 Mark L Baum Common stock D 313,338 $37.08 2,886,124 D F
21 Jul, 2025 Mark L Baum Common stock A 600,000 $7.87 3,199,462 D M
10 Jun, 2025 Management Inc. Opaleye Common Stock, par value $0.001 per share D 15,000 $30.80 90,000 I S
09 Jun, 2025 Management Inc. Opaleye Common Stock, par value $0.001 per share D 15,204 $30.37 105,000 I S
04 Jun, 2025 Management Inc. Opaleye Common Stock, par value $0.001 per share D 1,796 $30.02 120,204 I S
03 Jun, 2025 Management Inc. Opaleye Common Stock, par value $0.001 per share D 3,000 $30.04 122,000 I S
13 May, 2025 Management Inc. Opaleye Common Stock, par value $0.001 per share D 5,000 $26.59 125,000 I S
13 May, 2025 Management Inc. Opaleye - - 125,000 I
12 May, 2025 Management Inc. Opaleye Common Stock, par value $0.001 per share D 10,000 $25.90 130,000 I S
12 May, 2025 Management Inc. Opaleye - - 130,000 I
07 Apr, 2025 Mark L Baum Common Stock D 300,363 $23.09 2,599,462 D F
07 Apr, 2025 Andrew R. Boll - - 777,844 D
07 Apr, 2025 Andrew R. Boll Common Stock D 136,745 $23.09 777,844 D F