Mark R. Ciarfella serves as Executive at SBA COMMUNICATIONS CORP, where they oversee executive responsibilities. Since joining the company, Mark R. Ciarfella has executed 189 insider transactions totaling $51.4M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 5, 2025 involved selling 215 shares valued at $40.9K.
Mark R. Ciarfella currently holds 37,608.67 shares of SBA COMMUNICATIONS CORP (SBAC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Mark R. Ciarfella has been a net seller of SBAC stock. They have purchased $0 and sold $51.4M worth of shares.
Mark R. Ciarfella's most recent insider trade was on Dec 5, 2025, when they sold 215 shares at $190.00 per share.
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| $N/A |
| Discretionary |
| Mar 6, 2024 | SBAC | $57.2K | Payment | 264.18 | $216.50 | Discretionary |
| Mar 6, 2024 | SBAC | $0 | Option Exercise | 714 | $N/A | Discretionary |
| Mar 4, 2024 | SBAC | $0 | Option Exercise | 677 | $N/A | Discretionary |
| Mar 4, 2024 | SBAC | $0 | Option Exercise | 4,060 | $N/A | Discretionary |
| Mar 4, 2024 | SBAC | $31.0K | Payment | 148.94 | $208.29 | Discretionary |
| Mar 4, 2024 | SBAC | $210.4K | Payment | 1,010.1 | $208.29 | Discretionary |
| Mar 4, 2024 | SBAC | $0 | Option Exercise | 610 | $N/A | Discretionary |
| Mar 4, 2024 | SBAC | $45.0K | Payment | 216.1 | $208.29 | Discretionary |
| Nov 29, 2023 | SBAC | $1.2M | Sale | 5,000 | $245.05 | Discretionary |
| Nov 29, 2023 | SBAC | $911.5K | Option Exercise | 5,000 | $182.30 | Discretionary |
| Nov 10, 2023 | SBAC | $217.6K | Sale | 1,000 | $217.62 | Discretionary |
| Mar 6, 2023 | SBAC | $0 | Option Exercise | 693 | $N/A | Discretionary |
| Mar 6, 2023 | SBAC | $58.8K | Payment | 225.7 | $260.35 | Discretionary |
| Mar 6, 2023 | SBAC | $66.8K | Payment | 256.41 | $260.35 | Discretionary |
| Mar 6, 2023 | SBAC | $65.2K | Payment | 250.49 | $260.35 | Discretionary |
| Mar 4, 2023 | SBAC | $0 | Option Exercise | 610 | $N/A | Discretionary |
| Mar 4, 2023 | SBAC | $0 | Option Exercise | 677 | $N/A | Discretionary |
| Feb 25, 2023 | SBAC | $0 | Option Exercise | 654 | $N/A | Discretionary |
| Feb 25, 2023 | SBAC | $498.5K | Payment | 1,933.35 | $257.82 | Discretionary |
| Feb 25, 2023 | SBAC | $0 | Option Exercise | 3,920 | $N/A | Discretionary |
| Feb 25, 2023 | SBAC | $0 | Option Exercise | 1,813 | $N/A | Discretionary |
| Aug 15, 2022 | SBAC | $1.5M | Option Exercise | 8,213 | $182.30 | Discretionary |
| Aug 15, 2022 | SBAC | $2.9M | Sale | 8,213 | $355.50 | Discretionary |
| Aug 5, 2022 | SBAC | $2.0M | Sale | 5,760 | $343.94 | Discretionary |
| Aug 5, 2022 | SBAC | $901.4K | Option Exercise | 5,760 | $156.50 | Discretionary |
| Jun 7, 2022 | SBAC | $338.1K | Sale | 1,000 | $338.05 | Discretionary |
| Jun 7, 2022 | SBAC | $156.5K | Option Exercise | 1,000 | $156.50 | Discretionary |
| Mar 6, 2022 | SBAC | $0 | Option Exercise | 693 | $N/A | Discretionary |